Aws sagemaker jobs

...image generators, cartoon/animation video makers, AI agent builders and light games . Administrative layer • Multi-tenant SaaS billing (free tier + paid plans) • Template marketplace where designers upload and monetise themes • Role-based access, versioning, rollback, real-time collaboration • Built-in analytics, SEO tooling and performance optimisation Deliverables 1. MVP deployed to AWS/GCP/Azure with CI/CD in place. 2. Source code and architectural documentation. 3. Extensible component system (e.g., Figma-to-code or similar) so new blocks drop in without core rewrites. 4. Walk-through video plus launch support. Acceptance criteria • A non-technical tester can publish an e-commerce site and a simple music-player app in under 30 min...

...development and project delivery, now pivoting fully into servant-leadership. • Multiple successful project completions that shipped on schedule and within scope—metrics and stories are available for you to weave in. • Written client testimonials praising my sprint planning, impediment removal, and stakeholder communication. • A strong toolkit across Agile methodologies, technical expertise (Java, AWS, CI/CD), and hands-on team management. Your task resume that- 1. Targets recruiters at top Indian IT/Software firms. 2. Places Agile leadership and technical depth side-by-side for instant credibility. 3. Highlights the achievements and testimonials I provide so they read as proof, not fluff. I want clear, action-driven language (Scrum, Sprint,...

I’m putting together a cross-platform billing and inventory SaaS that must run smoothly on the web (React) and mobile (Flutter). The core stack is already chosen: a Django backend with a PostgreSQL database, all deployed on AWS. Key functional blocks you’ll build and wire up: • Subscription engine – monthly recurring plans driven by Razorpay Subscriptions API, with optional Stripe fallback, automatic invoicing, proration, and dunning logic. • GST-compliant invoice management – create, edit, email, and share invoices; integrate with the GSTN e-invoicing APIs for real-time IRN and QR code generation. • Inventory & batch tracking – receive stock, monitor quantities, lot/expiry dates, and link sales orders to inventory reductions....

...product, technology, architecture, data flows, AI usage, and security practices, while meeting appropriate enterprise SaaS, privacy, security, and AI standards: * Responsible AI Policy * AI Transparency Statement * Information Security Policy * Access Control Policy * Incident Response Plan * Data Retention Policy * Privacy Policy * Terms of Use * Cookie Policy * Vulnerability Disclosure Policy * AWS Architecture documentation Please also prepare a: * Subprocessor Schedule / List The objective is to ensure that all Trust Center and public legal documents accurately reflect our actual product, technology, architecture, data processing practices and security controls. ### 2. Customer & Commercial Agreements Please draft: * Master Services Agreement (MSA) * Enterprise Ord...

...background workflows - Integrate external APIs and data sources - Help migrate existing services and data pipelines with minimal downtime - Monitor, debug, and operate services in production Preferred technology - Golang or Java/Kotlin - Python or TypeScript is also valuable - PostgreSQL / MySQL - REST APIs - gRPC - Microservices - Kafka or similar streaming technologies - Google Cloud Platform (GCP) - AWS/Azure experience is also acceptable - Docker and Kubernetes - LLMs, RAG, AI agents, or agentic workflows What I am looking for The ideal engineer has experience building complex enterprise-grade backend systems, not just simple CRUD applications. You should be comfortable taking a problem from: Requirements → System Design → Implementation → Testing → ...

...receipt uploads, engine-hour tracking, service reminders, and visibility toggles so owners decide which data is public. • Each vessel generates a unique QR/NFC code that links to its online log; scanning at the helm instantly surfaces its records. • Clean, modern “marine blue” UI that stays lightweight and responsive across mobile, tablet, and desktop. • Cloud architecture (your choice of AWS, GCP, or Azure) designed for easy scaling and data durability. Acceptance criteria 1. New user can subscribe, add at least two boats, and view them seamlessly on desktop and on iOS/Android Safari/Chrome. 2. Scanning a boat’s QR code while logged out loads its public page; scanning while logged in surfaces the full editable profile. 3. Admin dashb...

...and call external services. The stack is Java 17, Spring Boot, PostgreSQL, Celery, Redis, Docker and AWS, all delivered in a fully multi-tenant environment. The immediate goal is to harden security and drive horizontal scalability without slowing feature delivery. That means: • Strengthening authentication, authorization and tenant-isolation layers • Stress-testing and tuning PostgreSQL schemas, indexes and queries for millions of tenant rows • Refining REST/JSON APIs so third-party services can plug in cleanly, with versioning and clear contracts • Profiling Spring Boot services, Celery workers and Redis caching to remove bottlenecks, then containerising improvements for smooth AWS deploys • Contributing design proposals and code reviews...

...requests, and receive payouts. Finally, an Admin panel should give me full oversight: user management, listing moderation, payout reconciliation, dispute handling, analytics, and configuration of fees or promotions. You are free to suggest the best modern stack—React Native or Flutter for the mobile apps, a robust REST/GraphQL API, and a secure backend (Node.js, Django, Laravel, etc.) deployed to AWS, GCP or a similar cloud—so long as it guarantees performance, scalability, and data security. Deliverables: 1. Customer iOS & Android apps compiled, tested, and published under my developer accounts. 2. Responsive web or mobile-friendly panel for Car Owners with full listing workflow. 3. Web-based Admin panel with role-based access. 4. Fully documented API, da...

...quotes & invoices Vehicle service history SMS/email notifications & reminders Online bookings Digital vehicle inspections with photos/videos Google review requests Staff logins & permissions Dashboard & reports Registration/VIN/customer search Lead management & follow-ups Secure cloud database & mobile-friendly design Preferred: Laravel/PHP or Node.js, React/Vue, MySQL/PostgreSQL, Twilio, REST API, AWS/Digital Ocean. For Development: Please provide previous similar work, technology stack, estimated timeframe and fixed-price quotation. Only experienced freelancers please. Send your portfolio and a brief outline of your approach....

...routing * Telnyx conferences * Monitor, whisper and barge * Call recording * Node.js/TypeScript * PostgreSQL/Supabase * Realtime agent presence * Event-driven webhooks * AWS S3/Object Lock * Multi-tenant SaaS security Basic Twilio/Telnyx API experience is insufficient. You must understand call legs, call sessions, SIP/WebRTC registration, webhook retries, duplicate and out-of-order events, atomic agent reservation and production call failures. ## Existing platform * * Tailwind and shadcn/ui * Supabase Postgres * Supabase Authentication * Supabase Realtime * Vercel * GitHub * Telnyx * Stripe * Planned AWS S3 recording archive The existing repository must remain the source of truth. Work will be submitted through branches and reviewed pull requests. # Required function...

...built that demonstrate similar complexity. 4. A link to your GitHub or portfolio. 5. A brief note on what you would improve or do differently compared with those reference projects. 6. Confirmation that you can start immediately. I value clean, modular code, automated testing, and CI/CD pipelines so the product can evolve without friction. If you have experience deploying to cloud providers (AWS, GCP, Azure) with containerisation and auto-scaling, highlight it—those skills will be pivotal to meeting our performance targets. Looking forward to reviewing your detailed project proposal and moving fast toward launch....

...platforms. – Demonstrable strength in software architecture validation, database assessment, security & deployment readiness, and the diplomacy to challenge developers constructively. Coding is not required but technical fluency is. – Portfolio examples of similar marketplace launches plus at least one sample UAT or acceptance report. Tools we already use include Jira, Confluence, Postman, AWS and Docker; feel free to suggest additional tools if they sharpen the process. Acceptance criteria 1. Every workflow in the SRS is tested with pass/fail evidence. 2. Architecture, database, security and deployment checks are documented with actionable recommendations. 3. All critical bugs are closed or clearly flagged as launch blockers. 4. Final report deliver...

...sign-off: 1. Working mobile apps (Android & iOS) published in TestFlight / internal testing track 2. Admin dashboard with user, content, and form-builder controls 3. Database schema and API documentation 4. Final builds submitted to the app stores plus source code in Git If you already have experience in fitness or health apps, especially those involving video streaming, cloud storage (AWS S3, Firebase, or similar), and secure user authentication, let me know. I’m ready to begin as soon as we agree on a realistic timeline....

...technicians perform the bulk of data entry and edits; customers log in read-only to view the history of their own cylinders. Platform & tech expectations The app is iOS-only. I’m open to Swift, SwiftUI, or React Native as long as offline functionality and smooth barcode/QR scanning are possible. A lightweight on-device store (Core Data, SQLite, or Realm) that syncs to a cloud back-end (Firebase, AWS, or similar) will likely make the most sense; feel free to propose alternatives. Deliverables 1. Xcode project with well-commented source. 2. Simple, intuitive UI for batch entry and history lookup. 3. Role-based login flow. 4. Schema or migration script for the cylinder database. 5. Brief README covering build steps and how to add future roles or fields. I&rs...

...calls Integrate actual e‑signature (e.g., DocuSign) and payment gateway (Stripe) Fix any remaining layout bugs What Needs to Be Built (Core Scope) 1. Backend API & Database Secure RESTful (or GraphQL) API with role‑based access control (customer, partner, admin) Database: PostgreSQL recommended (Supabase or self‑hosted) Authentication: email/password + JWT, optional 2FA for partners File storage: AWS S3, Cloudinary, or Supabase Storage Real‑time messaging: WebSockets () or Supabase Realtime Document versioning and audit trails Key Entities (generic schema): Users (customers, partners, admins) Cases (linked to a user, a package, and a partner) Packages / Programs (pre‑defined milestones, costs, requirements) Milestones (steps within a case with status, payment trigger) Doc...

...focus keyword is “cloud stacking”, and the main objective is clear: improve search engine rankings, not just traffic or brand awareness. To make this happen you will deploy stacks on Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure and every other reputable cloud platform you can access, creating backlinks from at least 90 separate domains. Each property must be properly siloed, inter-linked and indexed so that the authority passes back to my money site without footprint issues. Deliverables • A complete network of cloud properties (90+ unique domains) built on AWS, GCP, Azure and additional platforms you bring to the table • On-page optimisation of every cloud document for the “cloud stacking” term and my target...

...anything drifts off script. The workflow begins with launching and sanity-checking every algo, then linking them to the required broker APIs—ICICI Direct, Angel Broking, TradeTron and Define Edge—before the opening bell. Throughout the session you track orders, positions and real-time P&L, watch for API token drops, restart any hung processes and keep detailed logs. Our stack runs partly on an AWS EC2 instance and partly on a local laptop, so both environments must stay synchronised, patched and backed up, with a second “hot spare” machine ready to take over if the primary stalls. Small code tweaks are common: a changed symbol, a timing adjustment, maybe an extra risk check. You should be comfortable editing and testing these Python snippets quickl...

Business Development Partner — Software & ERP Projects About Us We are a software development team specializing in custom business software, ERP systems, fintech solutions, POS, inventory management, accounting systems, automation, and third-party integrations. Our technology stack includes React, , Node.js, NestJS, PHP/Laravel, PostgreSQL, MySQL, MongoDB, AWS, and AI/automation technologies. Who We’re Looking For We are looking for an experienced Business Development / Sales Partner who can find qualified clients and bring software development projects to our team. You will be responsible for identifying businesses with real software and automation needs, reaching out to decision-makers, understanding their requirements, and helping convert qualified leads int...

... POS and inventory, payroll, and the third-party integrations that hold them together. Not another web design shop. Our current work is the core banking platform for an NBFC running across 150+ branches and 70,000+ customers: double-entry accounting, loans and deposits, payroll, GST and TDS compliance, KYC and payment gateway integrations. Stack: PHP/Laravel, Node.js, Angular, MySQL, MongoDB, AWS. Portfolio: WHO WE WANT YOU TO TARGET This is the part that makes the difference. You are not selling "web development" — you are selling to businesses with a specific, expensive problem: • NBFCs, credit co-operatives, microfinance and chit-fund companies • Accounting and CA firms whose clients need custom billing or ERP • Retail chains, restaurants ...

My production workloads live on AWS and must stay online around the clock. To keep them healthy, I need a dedicated team—minimum three engineers—whose working hours overlap or align with GMT + 8. Continuous coverage matters more to me than any single person’s heroics, so an organised roster and documented hand-offs are essential. Core responsibilities • Monitor all AWS resources in real time and respond to alerts within minutes • Diagnose and resolve incidents on EC2, S3, RDS and related services (Linux and Windows stacks are both in play) • Execute routine maintenance: patching, backups, security updates, cost-watch reports • Escalate critical issues to me with clear impact analysis and recovery plan • Keep runbooks, dash...

I’m putting together a web-based SaaS that lets marketers upload a CSV, press a button, and watch highly personalised emails go out through AWS SES—each one written on the fly with Claude. Here’s the flow I have in mind. A user signs in from any modern browser, imports leads via CSV, assigns custom fields, picks a saved template, and schedules the blast. Behind the scenes a background queue hands each message to the Claude API, merges the advanced custom fields we captured for that lead, then ships it via SES. Deliveries, opens, clicks, bounces and unsubscribes are tracked in real time and surfaced on an analytics dashboard. Core stack I expect: • React (or similar) single-page web app • FastAPI / Node / Rails—your call—for the API ...

...network of highly skilled specialists who can work together on projects depending on the requirements. ### 1. SENIOR FULL-STACK DEVELOPER / SOLUTION ARCHITECT — PRIORITY We are looking for a senior developer who can take business requirements and convert them into a proper technical solution. Required skills: * React / * Node.js and/or Python * REST APIs * PostgreSQL / MySQL / MongoDB * AWS / Azure / Google Cloud * Authentication and security * API integrations * Git/GitHub * Docker * CI/CD * Database architecture * System architecture * Third-party integrations * Basic AI/LLM integration * Ability to review code and manage technical implementation You should be capable of creating a technical architecture, selecting the appropriate technology stack, estimating develo...

Evening hours are our busiest, yet our customers can currently reach us only by email. I need a complete solution that covers both sides of the problem: First, a lightweight mobile chat app...common account, billing, and “how-to” questions on the first interaction whenever possible. Deliverables: 1. Fully functional mobile chat app (Android & iOS) plus agent console 2. Clear hand-off documentation and short training session for our in-house team 3. Live evening support for the first month post-launch, with average response time under two minutes The tech stack is flexible—Firebase, AWS, or any other proven real-time messaging backend is acceptable as long as it scales and keeps user data encrypted in transit and at rest. Source code, build files, and rights ...

...forecast emerging patterns so we can stay ahead of attackers. The work will sit on AWS, so please be fluent with the usual services (Lambda, ECS/EKS, S3, DynamoDB or RDS) and comfortable wiring everything together with infrastructure-as-code. Retrieval-Augmented Generation (RAG) techniques will power part of the solution, so you should understand vector stores, embeddings, and prompt engineering well enough to fine-tune them for security data. Core deliverables • Python micro-services or OpenCTI connectors that perform anomaly detection and trend forecasting • A RAG pipeline that enriches results with external intelligence sources • Automated tests plus deployment scripts for a frictionless push to our AWS environment • Brief technical runbook...

...big names: live map, real-time ETA, fare estimate before confirmation, in-app wallet or card payment, and a clean trip history. A lightweight driver interface and a small web-based admin dashboard will round out the ecosystem so I can manage drivers, rides, and payouts without extra tools. Deliverables • Production-ready iOS and Android apps uploaded to the stores • Secure backend (Firebase, AWS, or equivalent) with APIs for ride creation, driver matching, notifications, and payments • Web admin panel for ride, driver, and payout oversight • Full source code, build instructions, and one post-launch bug-fix cycle If you’ve built ride-sharing or logistics apps before, show me—and include your preferred tech stack and timeline for an MVP. ...

...payments—can be added with minimal refactor. Acceptance criteria 1. A live demo URL and Telegram bot link showing smooth scanning on common Android/iOS devices. 2. Source code (preferably Node.js/Python + PostgreSQL/MySQL) pushed to a private Git repo with setup instructions. 3. Basic security hardening (tokenised endpoints, rate limiting on bot requests). 4. Deployment guide for a typical VPS or AWS Lightsail instance. When you reply, include links or screenshots of past work that demonstrates similar QR or bot integrations; those examples will weigh heavily in my selection....

I need a seasoned AWS professional to take full operational ownership of three core services in my account—EC2 Instances, S3 Storage, and Lambda Functions. The work spans initial setup, ongoing monitoring, and continuous optimisation, with a strong focus on cost control. Key goals • Set up and configure each service so it follows AWS best practices for security, scalability, and tagging. • Implement 24/7 monitoring, alerting, and automated remediation where sensible. • Optimise performance and spend, then provide clear monthly reports that highlight savings. • Create start-/stop routines (the “turn on / turn off professional settings” I mentioned) that let me pause non-production resources on a schedule. Deliverables 1. Ha...

...appropriately for cost and performance tradeoffs - Create internal documentation/playbooks the team can reference after the engagement ends Requirements: - Demonstrated hands-on experience using Claude (Claude Code, Claude API, or Claude Desktop/IDE integrations) in real production development workflows - Strong understanding of software development practices — our stack is primarily MERN (React, Node.js), AWS services (Lambda, API Gateway, S3, SQS/SNS), SQL/NoSQL databases, and Jenkins CI/CD - Experience with AI-assisted testing strategies (unit, integration, automated test generation) - Prior experience training or mentoring engineering teams (workshops, pairing sessions, or structured onboarding) - Excellent communication skills — able to explain technical concept...

...NestJS, PostgreSQL Frontend: React.js / , TypeScript, Tailwind CSS Desktop Client: Electron (TypeScript) or C# .NET Integrations: Google Calendar/Meet API (OAuth2), Transactional Email, AWS S3, WhatsApp Business API Scope Summary: Phase 1 (Web Platform): Rolling-window availability booking calendar, multi-timezone management, automated Google Meet link generation per host, custom admin database ingestion tools, and automated Excel sync. Phase 2 (Desktop Client): Native Windows desktop agent for meeting notifications, background session capture with offline caching, and automated cloud sync to AWS S3. Start your proposal with the exact phrase 'BOOKING STACK' to confirm you have reviewed the complete technical specification. How to Apply: Mandatory Application ...

I’m ready to move past the basics and gain solid, real-world confidence with AWS. The focus is intermediate-level coverage of the three services I touch most—EC2, S3 and Lambda—taught face-to-face rather than online. Here’s what I have in mind: an instructor-led programme that blends concise theory with plenty of hands-on lab time so I can design, deploy and troubleshoot workloads on the spot. Best-practice architecture, security considerations and cost-optimisation techniques for these services should be woven throughout the sessions. We can schedule the training across one to two weeks (I’m flexible on exact days and times). Please let me know where you can deliver the sessions or if you’re able to travel to my location. Deliverables •...

...CI/CD • Android production builds and Google Play submission • iOS production builds and App Store Connect submission • Real-device testing and production debugging ### Required Experience Strong production experience is required with: • / React / TypeScript • Turborepo / pnpm • PostgreSQL / Prisma / Supabase • Flutter / Dart • REST APIs • JWT/OTP/RBAC • Payment gateways • Google Maps • AWS S3 • Push notifications • GitHub Actions / CI/CD • Vercel • Android & iOS production deployment We are specifically looking for someone capable of taking ownership of an existing complex codebase, understanding it quickly, independently debugging issues, completing missing workflows, and taking the project...

...a focused 6–8-hour block very soon. Your main mission during that window is feature development, bug fixing and optimisation—covering the following: • Secure user authentication (OAuth2 / JWT). • A data-analytics dashboard that surfaces real-time metrics. • Clean API integrations tying the new pieces into existing services. Everything runs in containers and deploys to both Google Cloud and AWS, so you should be comfortable pushing through CI/CD pipelines on those platforms. The project already talks to Claude Anthropic; if you know your way around its SDK or prompt engineering, you’ll hit the ground running. Code lives on GitHub. Majorly everything has been set up. Major part of your job will be prompt engineering and functional understandi...

...role revolves around keeping multiple Python algos, broker APIs and twin infrastructures (local rack + AWS EC2) running smoothly through the entire Indian market session. Each morning begins with launching and verifying every Python script, confirming token validity across all connected broker platforms, and checking that our cloud mirror is in sync so the secondary environment can take over at a moment’s notice. During live hours you will watch order flow, positions, P&L and latency, jump on API disconnections, restart any failed program, and document the steps taken so the recovery path is always clear. Experience that matters most: • hands-on Python work with broker APIs • practical AWS and bare-metal server administration • time spent i...

I run several production workloads in AWS here in Singapore and need a partner who can jump in any time—day or night—without the lag a distant time zone creates. Fast, reliable WhatsApp communication is non-negotiable; that is how my team escalates issues and approves changes. Core stack you will care for: • EC2 instances that host our main applications • S3 storage buckets for static assets and backups • RDS databases (primarily MySQL / PostgreSQL) We also lean on Elastic Load Balancing, IAM, and Shield/WAF, so familiarity with those services is important. Beyond break-fix help, I’m looking for proactive value: • Consultation on architecture and cost-/performance best practices • Regular system-health monitoring with ea...

...differentiated capability across four areas: Enterprise Platform Engineering — custom SaaS, API/systems integration, multi-tenant architecture, legacy modernization (proven up to 40% reduction in operational fragmentation) Intelligent Automation & AI — agentic AI systems, LLM integration/fine-tuning, RPA, AI document processing (up to 60% reduction in manual processing time) Cloud, DevOps & Scalability — AWS/Azure/GCP architecture, CI/CD, containerization, infrastructure-as-code (up to 35% reduction in infrastructure overhead) Blockchain & Trust Systems — smart contracts, supply chain traceability, decentralized identity/KYC Plus Dedicated Engineering Teams — full teams embedded with clients, ramping in 2-3 weeks Compensation: 100% c...

...occurs. The environment sits on both an AWS EC2 instance and a local laptop, so you will maintain, patch and restart either side as needed, always keeping a secondary setup ready for fail-over. When a script drops you diagnose, relaunch and make sure logs and backups stay intact. Minor tweaks to existing Python code, quick tests in a sandbox, and safe pushes to production are part of the routine. Emergency stop/kill procedures must remain functional at all times, and you will alert me immediately whenever an algo behaves oddly. Deliverables and success criteria: • All algos running before the opening bell, confirmed by log. • Zero-latency response to disconnections, with documented fix. • Accurate daily logs, backups and P&L snapshots stored on AWS...

...tracking. • Instant certificate creation (PDF or image) once all modules in a course are successfully completed. • An admin interface—web-based or built into the app—where I can upload or replace videos, add text materials, build quizzes, reorder modules, and monitor learner progress. • Secure sign-in (email, social, or similar), cloud storage for media, and reliable data sync—Firebase or AWS are fine, but I’m open to other proven stacks. • Source code, build instructions, and test data delivered at hand-over. Acceptance criteria The app installs without errors on current iOS and Android versions, streams or downloads videos without buffering, calculates quiz scores accurately, locks and unlocks modules correctly, and produce...

## Self-Hosted Facial Recognition API – Python / PHP We need a developer to build a **self-hosted facial recognition system** using available open-source/pre-trained libraries. We do **not** want to use paid services such as Azure Face API, AWS Rekognition, Face++ etc. The system should run on our own server and provide a simple **web service/API** which our existing PHP application can call. Main requirements: * Enrol a person using one or more face images * Preferably work even when only **one enrolment image** is available * Recognise an enrolled person from a submitted image * Return Person ID / match result / confidence score * Ideally support multiple faces in one image * Store facial embeddings/templates efficiently * Fast response and suitable for many enrolled us...

...sessions. • Payment integration – we currently prototype on Stripe and will move to live transactions once the flow is stable, so expect webhooks, retries, and clean error handling. • API development – new and refactored REST endpoints powered by Django REST Framework, documented via OpenAPI, fully covered by tests. All environments are Dockerised, version-controlled in GitHub, and deployed to AWS with Terraform, so familiarity there will help you hit the ground running. Acceptance criteria for the first milestone: 1. Users can enable, verify, and disable multi-factor authentication from their profile. 2. Successful card payments trigger order creation and a receipt email; failures surface clear messages to the client and log useful diagnostics. ...

Total Budget is $1,000 for 10 Milestone. This is just one Milestone. Milestone 1: [Project] 1. Complete Full website including all features except HFT, PEE, MSP-AR-PI-IC Shopping Mall, Data Collection. 2. Complete after merging item 6. Setup Real-Time 8PQ Test and 11. AI-LLM (Large Language Model)-Based Truth Machine You will have to move our account from AWS to your recommended web hosting company. There will be a lot more detail for which you will have to work with me. I will provide you the details as we go. You will setup 5 appointments with 5 Elementary School another 5 appointments with 5 Universities in Cape Town, South Africa, that matches our criteria. Criteria will be given to you later. For payment read section 4. Key Terms of Agreement between EMMA and the Contractor...

...and product/service listings. It will also include an administration dashboard and business management features. Payment integration, notifications, search, reviews and other marketplace functionalities are required. Mobile application development and integration may also be part of the scope. Experience with marketplace, e-commerce or multi-vendor platforms is highly preferred. Experience with AWS and modern web/mobile technologies will be an advantage. We are looking for someone who can work on the project long term, not just complete a single task. Please provide examples of similar projects you have developed. Tell us which technologies you recommend and why. Please also provide your availability, hourly rate and estimated timeline. The project will be managed through clear m...

...(Recommended) * **Backend Framework:** Node.js (Express/NestJS) OR Python (FastAPI/Django) * **Database:** PostgreSQL (Relational database for structured QR mapping and vehicle relationships) * **Caching/Session:** Redis (For OTP storage, rate-limiting, and short-term link verification) * **Frontend:** React.js / or Vue.js (Mobile-first responsive design, PWA-ready) * **Cloud Infrastructure:** AWS / Google Cloud / DigitalOcean (Docker containers, secure environment) * **Third-Party Integrations:** Twilio / Firebase / Infobip (For SMS/WhatsApp OTP & Instant Alerts) --- ## 3. Database Architecture & Schema Design To guarantee data privacy and extreme speed when a QR is scanned, the relational schema is designed as follows: ``` +------------------+ +------------...

...external log-ins are required; accounts stay completely independent of Facebook, Instagram, or Twitter. Live streaming is not part of this phase, but the architecture should leave room to bolt it on later. Technical notes A shared codebase—React Native, Flutter, or another proven cross-platform stack—will keep feature parity tight between iOS and Android. I’m happy to work with Firebase, Supabase, AWS Amplify or an equivalent backend that can handle media storage, authentication, and WebSocket-based chat. Clean, well-commented code and clear API endpoints are essential so future contributors can extend the project easily. Deliverables • Production-ready iOS (IPA) and Android (AAB) builds • Source code repository with commit history • Clo...

...Driver and customer management tools – Fare, commission, promo-code, and surge controls – Analytics for rides, revenue, and service quality I’m open to your recommended tech stack—whether you prefer Flutter, React Native, or fully native apps—so long as the finished products are stable, well-documented, and scalable. Real-time functions should be handled through a robust backend (Firebase, AWS, or a Node/Express socket solution) with encrypted APIs. Acceptance criteria: 1. Clean, modular code pushed to a private Git repository. 2. Test builds for both platforms delivered through TestFlight and Google Play Console Internal Testing. 3. Admin panel deployed on my cloud account with environment files and setup scripts. 4. Final hand-off...

I run several production workloads in AWS here in Singapore and need a partner who can jump in any time—day or night—without the lag a distant time zone creates. Fast, reliable WhatsApp communication is non-negotiable; that is how my team escalates issues and approves changes. Core stack you will care for: • EC2 instances that host our main applications • S3 storage buckets for static assets and backups • RDS databases (primarily MySQL / PostgreSQL) We also lean on Elastic Load Balancing, IAM, and Shield/WAF, so familiarity with those services is important. Beyond break-fix help, I’m looking for proactive value: • Consultation on architecture and cost-/performance best practices • Regular system-health monitoring with early-warnin...

...hands-on development experience with *Python*. * Expertise in *Machine Learning, Deep Learning, NLP, and Generative AI/LLMs*. * Strong experience with *RAG, embeddings, vector databases/search, prompt engineering, context engineering, and LLM evaluation*. * Experience with *Agentic AI and model orchestration frameworks*. * Strong hands-on experience with at least one major cloud platform: *Azure, AWS, or GCP*. * Experience with *MLOps/LLMOps, CI/CD, model deployment, monitoring, containers, APIs, and microservices*. * Experience working with structured and unstructured data, data pipelines, and enterprise data platforms. * Strong understanding of *AI security, privacy, Responsible AI, and enterprise governance*. * Excellent communication and stakeholder management skills....

...Exposed database credentials * Public database access * Unauthorized database records returned through APIs * Missing backend authorization * Access to other users’ records * Unauthorized modification of records * Unauthorized deletion of records * Excessive backend permissions * Exposed sensitive information * Insecure service-account permissions 6. Cloud and Server Security If the application uses AWS, Firebase, or other cloud services, review relevant security configurations. Check for: * Publicly accessible databases * Public storage * Exposed credentials * Over-permissioned IAM roles * Incorrect security group configuration * Unnecessary open ports * Exposed environment variables * Exposed API keys or secrets * Insecure database security rules * Insecure storage pe...

...Integrate in-app purchases (consumables and/or subscriptions, depending on what the store guidelines permit) so that purchases are processed, verified, and recorded on the backend. • Refactor or patch any surrounding code that these features touch to keep performance solid and UX smooth. Tech notes The project already uses a modern cross-platform stack, so if you’re comfortable with Firebase Auth, AWS Cognito, or a comparable service, plus native billing APIs (StoreKit / Google Play Billing), you’ll feel at home. I’ll share repo access and current architecture once we start. Deliverables 1. Updated source code with both features fully wired in 2. Brief setup notes or a short Loom walk-through showing how to test and deploy the new modules 3. One...

...Strong JavaScript/TypeScript Experience with iOS and Android deployment REST API integration Git/GitHub Experience maintaining an existing codebase—not just building new apps React.js/web development experience Ability to troubleshoot independently Nice to have: Node.js / .NET API experience SQL/database experience Firebase Push notifications Authentication CI/CD App Store Connect Google Play Console AWS/Azure Experience working with small startups...

...endpoints, secure token management (OAuth2 / JWT), and a scalable database layer. Clean code with documentation is essential so my in-house team can extend the system later. Acceptance criteria 1. A working web dashboard plus documented API covering all flows above 2. End-to-end test scripts that pass in both sandbox and production modes 3. Deployment guide for a standard cloud environment (AWS, GCP, or Azure) If this sounds like your wheelhouse, tell me how you would architect it and what timeline you’d need for an MVP....