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6.7
6.7
98%

Ha Noi, Vietnam
$30 USD per hour
FEATURE REVIEW: "One of the best freelancers I have hired. After a quick discussion where she asked very detailed questions she was close to delivering what i asked for in first version. Very likely to use her again for future SQL needs." - Brian B I started to work as a database specialist 12 years ago and now i'm working as a data engineer in a bank and i started to work at freelancer 2 years ago. During 2 years i've done many interesting project to sharp my skill such as Microsoft SSIS, Python programming to process the data, Microsoft PowerBI to get insight in data. I'm still working as individual as a part time job but i can work around 20-25 hours per week because i'm passionated about the data and never to stop learning new technology

8.8
8.8
99%

Myronivskyi, Ukraine
$32 USD per hour
Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one programming language to another programming language. • writing wrappers around miscellaneous libraries, packages and SDKs, mainly for using it with other programming languages. • consuming HTTP based APIs, (RESTful APIs, etc) • scraping data from web sites, both with and without Selenium Secondary specialization: • developing Linux and cross-platform solutions and utilities. • scripts/utilities to process Excel spreadsheets • Microsoft Office Automation

6.7
6.7
98%

Welimada, Sri Lanka
$75 USD per hour
☑️ With over 11 years of professional experience, I am specializing in SQL Server DBA, Database Development, & Business Intelligence Development (Data Engineer). ☑️ I've solved customer-facing SQL Server bottlenecks and made massive performance improvements for Fortune companies and well-known organizations, including the following to illustrate some of them: 1️⃣ AAA Communication Inc. USA 2️⃣ NeTex Consulting. USA 3️⃣ Cloud Retailer. USA 4️⃣ Selectel Wireless. USA Extensive Experience as a SQL Server DBA (Versions 2000 - 2022) methodically identifying and resolving complex underlying causes of Microsoft SQL Server problems, using a vast variety of techniques and tools. I have solved numerous show-stopping SQL Server Performance problems, as well as often re-engineered immensely complex designs and code, providing significantly improved performance. Expert Level ability with Data Extraction, Transformation, and Loading (ETL) from numerous heterogeneous data sources. I pride myself in my ability to intuitively gather, interpret and understand your requirements, as well as develop intuitive and creative Business Intelligence Solutions using the full MSBI stack (Power BI, SSAS, SSRS, SSIS, Datazen). ⭐ Here's what I can bring to your project ⭐ ✔️ Top-notch experience in all versions of SQL Server (2000 - 2022) and cloud platforms ✔️ Extensive experience working with large enterprise transactional databases ✔️ Expert understanding of data security best practices when working with PII and PHI data ✔️ Ability to quickly diagnose SQL performance issues and identify query pain points ✔️ Expert ability in designing ETL processes for data warehouses and BI databases ✔️ 24/7 ultra-reliable communication: you will always be aware of the project status ✔️ Someone who cares about helping you succeed and bringing value to your business ⭐ Why you should choose me over other freelancers ⭐ ✔️ Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. ✔️ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW" ✔️ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✔️ Resilience: Reach out to any of my Current of Former Clients and ask them about my Resilience. Any issue that my Clients face, I attack them and find a SOLUTION. ✔️ Kindness: One of the biggest aspects of my life that I implement in every facet of my life. Treating everyone with respect, understanding all situations, and genuinely wanting to IMPROVE my Client's situations. ⭐⭐⭐ I am eager to work with you, to provide reliable, consistent, and High-Level solutions to design/development challenges. Please contact me, so we can discuss how we can work together to FULLY meet your Business Needs!

10.0
10.0
98%

Puttalam, Sri Lanka
$20 USD per hour
If you are seeking a strategic technology partner who delivers modern, scalable, and intelligent digital solutions, you are in the right place. We are a forward-thinking team specializing in Software Engineering, Web & Mobile Development, AI Solutions, and Intelligent Automation. Our approach is focused on building future-ready systems that combine clean architecture, performance, and business impact. Our technical expertise spans PHP, Node.js, Angular, Flutter, React, React Native, C#, VB.NET, and leading platforms such as WordPress, WooCommerce, Magento, and PrestaShop, supported by enterprise-grade databases including MySQL, PostgreSQL, Oracle, and SQL Server. Beyond development, we help businesses scale through AI-driven innovation and automation, including: - AI chatbots, voice agents, and virtual assistants - Workflow and process automation using Make (Integromat), n8n, and custom solutions - AI-powered data processing, content generation, and decision support - CRM, marketing, and operations automation to reduce costs and increase efficiency We have strong expertise in API-based integrations and ecosystem automation, connecting platforms such as Amazon, eBay, Shopify, Walmart, Lazada, Wish, and logistics providers including USPS, UPS, FedEx, and DHL, enabling seamless commerce and fulfillment workflows. Our focus is not just on delivery, but on measurable outcomes, speed, reliability, scalability, and long-term value. We thrive on complex challenges and continuously adopt the latest AI and automation trends to keep our clients ahead of the curve. Review our portfolio below and let our work demonstrate the standard we uphold. We are committed to delivering solutions that are intelligent, efficient, and built for growth.

8.7
8.7
98%

Lima, Peru
$30 USD per hour
Bachelor of Software Engineering, Video and Audio Expert, Senior 3D CAD Designer, Advanced Level in English and Native Spanish Speaker, committed to work, responsible and punctual. ✅ +350 projects completed for big enterprises and international clients ✅ Unlimited revisions ✅ Full time freelancer ✅ Excellent Communication ✅ 100% satisfaction I will help you with any project related to: ✅ Software Engineering: Website Development, Mobile Apps, Database Administration, Data Analysis, Automations and more! ✅ Video: Video Editing, 2D & 3D Animation, Whiteboard Videos, Motion Graphics, Promotional Videos, Reels, Visual Effects and more! ✅ Audio: Audio Editing, Voice Over, Audio Production including Mixing and Mastering of Music (I also offer Promotion for Artists), Podcasts and more! ✅ 3D CAD Designer: CAD Modeling, Solidworks, Product Design, 3D Rendering, Architectural Visualization, STL Files for 3D Printing, Technical Drawings, Product Visualization, Interior & Exterior Rendering, SketchUp Modeling, 3D Mockups and more! Click on "Request Quote" and let's start working on your project!

9.8
9.8
96%

Jodhpur, India
$25 USD per hour
Microlent is a 70+ member product engineering team. Since 2008, we've successfully delivered 390+ projects on Freelancer, specializing in SaaS platforms, mobile applications, custom web solutions, and AI integrations for founders, startups, and SMBs. Recent projects include: * Aetherius: React-based MSP platform * CAMS: Asset management SaaS for Complex Asset Management Solutions (complexam.com) * CleanSpace AI * Food delivery driver app used by 1,000+ active drivers We're the right partner if you're looking for a team that can own the entire product lifecycle from product strategy and UI/UX design to development, deployment, and 12 months of post-launch support without the hassle of managing multiple contractors. Typical engagement: 6-10 weeks (depending on project scope). Send us a brief overview of your project, and we'll get back to you within 1 hour with clarifying questions and a rough estimate. Our Services ✅ Custom Web Applications ✅ Mobile App Development (Android, iOS, Flutter & React Native) ✅ SaaS Platforms & Enterprise Software ✅ WordPress, Shopify & Custom eCommerce Development ✅ AI Integration & Business Automation ✅ API Development & Third-Party Integrations ✅ UI/UX Design ✅ SEO & Digital Marketing ✅ Cloud Deployment & DevOps Technologies We Work With • PHP, Laravel, ASP.NET Core, Node.js, Python • React, Next.js, Vue.js, HTML, CSS & JavaScript • Flutter, React Native, Android & iOS • WooCommerce, Shopify & Custom eCommerce Solutions • AWS, Azure, Docker & CI/CD Why Clients Choose Microlent ⭐ 390+ Successfully Delivered Projects ⭐ 4.9★ Client Satisfaction Rating ⭐ Transparent Communication & Agile Development ⭐ Secure, Clean & Scalable Code ⭐ On-Time Delivery with Dedicated Project Management ⭐ Long-Term Maintenance & Technical Support Whether you're launching a startup, modernizing an existing platform, building a SaaS product, automating business processes with AI, or growing your online presence through SEO and digital marketing, we're ready to help turn your vision into reality. Let's build something exceptional together.

8.1
8.1
96%

DIGHA, PURBA MEDINIPUR, India
$20 USD per hour
We are a dedicated team of 30+ developers for more than 10+ years of experience in database development working here to provide our clients with all the best services and proficiency in varied technologies available. We deliver Best work at affordable prices. Skills and Experience: 1. Languages - C#, .NET and Python. 2. Angular JS, Node, React, IOS and Android. 3. CMS - Wordpress, Magento, Joomla, WooCommerce , Drupal, Opencart, osCommerce and Prestashop . 4. Framework - Laravel, CodeIgniter, CakePHP, Smarty, Django, Yii, Zend, Laravel and Symfony 5. Database - MySQL, SQL, PostgreSQL, NoSQL, MsSQL, MongoDB, Oracle and SQLite 6. Server- Linux/Windows 7. Magento Extensions, Wordpress Plugins 8. Javascript/ Web Toolkit 9. ETL using Python 10. Database Design and Development using Oracle 11. Database Development with Oracle APEX Etc. 12. Complex ETL using SSIS 13. Database Design and Development using Microsoft SQL Server 14. Database Development using MySQL and PostgreSQL Services We offered 1. 24/7 Support 2. Free revisions 3. 6 Months after sales support Our goal is to keep our clients on the leading edge of information transfer technologies, adding significant value to their business.

8.6
8.6
94%

Lilongwe, Malawi
$50 USD per hour
Do you have Windows software developing needs? Then I promise, I’m the freelancer you’ve been looking for. I am a software developer with over 25 years experience, with development projects spanning a number of different languages, including: - Delphi - MS-Access/VBA - MS-Excel/VBA - VB6 - VB.Net/C#.Net - DBase/Foxpro/Visual Foxpro - SQL Server/T-SQL - Firebird - MySQL - PHP - Oracle Database - PostgreSQL I never shy away from a project, no matter what kind of language, parameters, or client needs are attached to it. My designs are turnkey, allowing for quick and easy access and use. All designs and developments come with support and troubleshooting, as I’d never expect a client to fix anything that I created. I also offer licensing, commercialization and marketing services for all products. I’m available in any timezone, and can always be reached via Freelancer.com’s “Hire Me Now” button. If you have any questions about software tools like Visual Studio or PHP, or any general questions about what you need accomplished, reach out! I’m waiting and ready to take your project from seedling to full-grown!

8.2
8.2
98%

Karachi, Pakistan
$50 USD per hour
We build AI-powered web apps, mobile apps, desktop apps, and automation systems for businesses worldwide. With 249+ projects delivered at 4.9 stars, we bring proven reliability to every engagement. What We Build: AI & LLM Integration: Custom AI chatbots, GPT/Claude API integrations, LLM-powered automation, intelligent document processing, and AI agents that handle real business workflows. Full-Stack Web Development: Production-grade applications using Next.js, React, Node.js, TypeScript, PHP/Laravel, and WordPress. From SaaS platforms to admin dashboards to complex APIs. Mobile Applications: Native iOS (Swift/Objective-C) and Android apps, plus cross-platform with React Native and Flutter — from MVP to production. Apple & Desktop Apps: macOS desktop applications, Electron-based cross-platform desktop apps, iPad apps, and Apple ecosystem development. E-Commerce Solutions: Shopify stores, WooCommerce, custom plugins, payment integrations (Stripe, PayPal), and full e-commerce builds. AI Automation & Scripting: Python and Node.js automation — web scraping, data pipelines, API integrations, chatbots, workflow automation using modern AI tools. DevOps & Cloud: Docker, Kubernetes, AWS, Azure, Google Cloud, Linux server management, CI/CD pipelines, and production infrastructure. Why Work With Us: - 97% project completion rate, 100% on budget - 6+ years on Freelancer with verified reviews - We use AI-assisted development to deliver faster without compromising quality - Full-stack team: frontend, backend, mobile, desktop, AI, and DevOps - Clear communication with daily updates Ready to build something? Send us a message — we respond within hours.
A T-SQL developer is a database specialist who writes, optimizes, and maintains Transact-SQL code for Microsoft SQL Server and Azure SQL Database environments. They build the stored procedures, functions, triggers, and queries that power reporting, transactional systems, and data integrations across the enterprise. Hiring a freelance T-SQL developer gives you on-demand access to deep SQL Server expertise without the overhead of a full-time database engineer.
T-SQL is Microsoft's procedural extension to SQL, and a skilled T-SQL developer turns business requirements into reliable, performant database logic. Their work directly affects application response times, reporting accuracy, and the cost of running your data platform. A well-written stored procedure can replace minutes of slow application code with milliseconds of set-based execution.
Common deliverables include stored procedures, user-defined functions, views, indexed views, triggers, common table expressions, window functions, and complex analytical queries. T-SQL specialists also handle ETL routines, data migrations, schema design, and the tuning of slow queries that drag down production systems.
A capable T-SQL developer is fluent across the Microsoft data stack. Expect proficiency with SQL Server Management Studio (SSMS), Azure Data Studio, Visual Studio with SQL Server Data Tools (SSDT), and source control through Git. They should also be comfortable with SSIS for integration, SSRS for reporting, and Power BI for visualization layered on top of SQL Server data.
For cloud workloads, look for hands-on experience with Azure SQL Database, Azure SQL Managed Instance, Azure Data Factory, and Azure Synapse Analytics. Familiarity with Redgate tools, dbatools PowerShell modules, and DACPAC deployments is a strong plus for production-grade work.
T-SQL developers serve almost every sector that runs on Microsoft infrastructure. Common engagements include finance and banking systems, healthcare data platforms, retail and e-commerce backends, logistics and supply chain databases, ERP and CRM customizations on Microsoft Dynamics, insurance underwriting systems, and SaaS products built on SQL Server.
Typical projects range from one-off query optimization and stuck-procedure rescues to long-term database development for new applications, BI implementations, and full migrations from on-premises SQL Server to Azure.
Strong T-SQL specialists demonstrate measurable performance wins, clean code patterns, and a clear understanding of set-based logic versus procedural anti-patterns. Look for portfolios that reference specific query tuning results, schema designs, ETL architectures, and migration projects. Microsoft certifications such as the Azure Database Administrator Associate or older MCSA: SQL Server credentials are useful signals, though practical evidence matters more.
Portfolio markers worth weighing include sample stored procedures with comments, before-and-after execution plans, indexing case studies, and contributions to open-source SQL projects. Ask for specific examples of slow queries the candidate has rewritten and the measurable improvement achieved.
Sample interview questions you can use directly:
Freelancer.com hosts a global pool of database engineers, SQL Server consultants, and BI developers with verified profiles, client reviews, and portfolios you can inspect before you commit. You can post a project on Freelancer.com and receive competitive bids from specialists across every time zone, which is particularly useful when production issues require fast turnaround.
Clients set their own budgets, compare proposals side by side, and use Milestone Payments to release funds only when work meets agreed criteria. Whether you need a few hours of query tuning or a multi-month database build, freelancers on Freelancer.com cover the full range of T-SQL engagements.
Hiring a T-SQL developer works best when you describe the database environment, the specific code or performance issue, and the deliverables you expect. The process below walks through posting your brief, reviewing bids, and selecting the right specialist for SQL Server or Azure SQL work.
Your project brief is the single biggest determinant of bid quality. Clear specifications around SQL Server version, data volume, and the scope of the work filter out generalists and attract candidates with genuine T-SQL depth. Head to the
Bids on a T-SQL project are short proposals showing how each developer interprets the database problem. A strong bid references the right diagnostic approach, asks sharp clarifying questions, and proposes a realistic timeline grounded in the data volume you described. Use the proposals to shortlist candidates whose technical reasoning lines up with your brief.
The final decision combines proposal quality with profile evidence. For T-SQL work, weigh consistency across past database projects rather than a single impressive example, and look for reviews that mention performance gains, on-time delivery, and clean handover documentation.
A T-SQL developer focuses on writing and optimizing database code, schemas, and queries that power applications and reports. A DBA concentrates on server administration, backups, security, replication, and infrastructure health. Many freelancers cover both areas, but the depth of each skill set differs, so match the hire to the work.
Yes. Short engagements for query tuning, stored procedure rewrites, or index reviews are common on Freelancer.com. Provide the slow query, table definitions, row counts, and an actual execution plan so candidates can scope the work accurately.
A single query optimization or stored procedure rewrite often takes a few days, while a full database build, ETL pipeline, or SQL Server to Azure migration can run from several weeks to a few months. Timelines depend on data volume, schema complexity, and the quality of existing documentation.
If your bottleneck is database performance, schema design, reporting logic, or data integration, a T-SQL specialist will deliver deeper results than a generalist. Full-stack developers handle application code well but rarely have the same depth in execution plans, indexing, and SQL Server internals.
Most experienced T-SQL developers work fluently across on-premises SQL Server, Azure SQL Database, and Azure SQL Managed Instance. Confirm cloud experience in the brief if your project involves migration, Azure Data Factory pipelines, or serverless compute tiers.

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