Mobile App Developers for hire in Germany
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Hire iosifpeterfi
Senior Full-Stack Engineer & Systems Architect with 15+ years in enterprise-grade IT and web development. I design, build, and operate high-availability infrastructure and modern web applications—from frontend to backend to cloud. My focus: reliability, security, clean code, and clear documentation. Strengths: •...Senior Full-Stack Engineer & Systems Architect with 15+ years in enterprise-grade IT and web development. I design, build, and operate high-availability infrastructure and modern web applications—from frontend to backend to cloud. My focus: reliability, security, clean code, and clear documentation. Strengths: • Full-stack web development (HTML, CSS, JavaScript, React, Angular, Vue.js, Next.js, Node.js, PHP, Python) • E-commerce & CMS platforms (Shopify, WooCommerce, WordPress, Magento) • Cloud architecture & serverless (AWS, AWS Lambda, Docker, Kubernetes) • Infrastructure & operations (Linux/Windows, virtualization, networking) • Database design & administration (PostgreSQL, MySQL, MongoDB, MariaDB) • Security hardening, identity & access, monitoring/observability • Automation & DevOps (CI/CD, Ansible, IaC, config management) • API design & integration (REST, Web Services, third-party APIs) • Data pipelines, Zoho/ERP integrations, BI dashboards • Responsive design, website optimization, and SEO best practices • Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive less -
Hire saeedme26
Hello, I am Muhammad Saeed. Welcome ! Here's what I can build for you: ✔ Full-Stack Development 👍 CRM Front-end & Back-end project layout design and development 👍 Payment gateway experience for Stripe, Google pay, Paypal, Apple Pay and etc .. 👍 Storefront Project development using third-party API such as shopify and...Hello, I am Muhammad Saeed. Welcome ! Here's what I can build for you: ✔ Full-Stack Development 👍 CRM Front-end & Back-end project layout design and development 👍 Payment gateway experience for Stripe, Google pay, Paypal, Apple Pay and etc .. 👍 Storefront Project development using third-party API such as shopify and etc .. 👍 Landing Page development required dynamic animation and transition for several elements using modern JS frameworks and several additional libraries such as GSAP and etc .. ✔ CMS Development 👍 Development Full-stack site with WordPress. 👍 Shopify theme customization(Horizon, Dawn) for smooth luxury and beaty Shops 👍 Shopify CRO(conversion rate optimization) improvement. 👍 WordPress plugin customization for pixel-perfect design and performance optimization. 👍 Develop variant Landing pages and Portfolios with WordPress and Webflow, etc... ✔ CRM Automation Development 👍 Development Booking site use Custom Modules 👍 Connecting CRM with e-commerce 👍 Implement Automated Responses system with openAI 👍 Implement automated business processes using WhatsApp and OpenA 👍 Implement Shopify customer CRM Automation ✔ AI Model TTS and Integration 👍 Development health business coaching platform use Integration TTS model. less -
Hire elvirt
Senior full-stack dev (React Native/Flutter + Shopify + AI). I build cross-platform mobile apps, custom Shopify solutions, and embed intelligent features like recommendations, search, and chatbots. Strong communicator, accurate estimator, and team mentor. Let's build something great.Senior full-stack dev (React Native/Flutter + Shopify + AI). I build cross-platform mobile apps, custom Shopify solutions, and embed intelligent features like recommendations, search, and chatbots. Strong communicator, accurate estimator, and team mentor. Let's build something great. less -
Hire Prutheus
I'm Martin, founder of Prutheus Software — a German software studio. On Freelancer you work with me directly: one senior engineer who takes your project from first idea to production and stays for the long run. WHAT I BUILD • Web platforms & dashboards — React, Next.js, Vue/Nuxt, TypeScript, Node.js, Python/FastAPI,...I'm Martin, founder of Prutheus Software — a German software studio. On Freelancer you work with me directly: one senior engineer who takes your project from first idea to production and stays for the long run. WHAT I BUILD • Web platforms & dashboards — React, Next.js, Vue/Nuxt, TypeScript, Node.js, Python/FastAPI, PHP/Symfony • AI integration & workflow automation — OpenAI/GPT, DeepL, Azure AI, Apache Airflow, document processing, data enrichment • E-commerce — Shopware 6 (custom plugins, themes, B2B features), payment & ERP integrations, order-to-delivery automation • Mobile & cross-platform apps — React Native/Expo (one codebase for iOS, Android & web), Stripe subscriptions, offline-first PWAs • Data & backends — PostgreSQL, Supabase (Auth, RLS, Edge Functions), MongoDB, Redis, REST APIs, real-time sync • Deployment & operations — Docker, Kubernetes, Northflank, Vercel, CI/CD pipelines, zero-downtime deployments, monitoring with OpenTelemetry, Keycloak SSO SELECTED WORK → End-to-end digitalization of a food wholesaler: Shopware 6 B2B shop with 8 custom plugins, offline-capable delivery PWA for drivers, warehouse & pallet tooling, complaint management — 18 services in production → Multi-tenant ERP analytics platform: mirrors 14 JTL-Wawi ERP data sources into Supabase/Postgres with row-level security, live DHL & Dachser carrier tracking, PDF/CSV reporting — Next.js 15 on Vercel, scheduled sync jobs on Northflank → Cross-platform learning app: React Native/Expo shipped to iOS, Android and web from one codebase — spaced-repetition engine, exam simulations, Stripe freemium subscriptions, Supabase backend with 76 migrations → AI translation automation suite: Apache Airflow pipelines orchestrating DeepL/Azure AI machine translation, terminology sync and secure file exchange for industrial clients — containerized, running 24/7 HOW I WORK Clean architecture, typed code, tests, CI/CD and monitoring are standard — software you can still maintain in five years. Clear communication in fluent English and German, honest estimates, reliable delivery. GDPR-compliant handling of your data, German engineering standards. Available for new international projects — let's talk about yours. less -
Hire tobiask5
With over 8 years of hands-on experience in software development, I am a seasoned professional with a strong background in full-stack. Front-End Technologies: React.js, HTML5, CSS3, React Native, Flutter, WordPress Back-End Technologies: Node.js, Laravel, Django, FastAPI, Express.js, Convex, Sanity Database...With over 8 years of hands-on experience in software development, I am a seasoned professional with a strong background in full-stack. Front-End Technologies: React.js, HTML5, CSS3, React Native, Flutter, WordPress Back-End Technologies: Node.js, Laravel, Django, FastAPI, Express.js, Convex, Sanity Database Management: SQL, NoSQL, PostgreSQL, MongoDB DevOps & Tools: D AWS, Azure, Stripe What sets me apart is my problem-solving prowess and a proactive, can-do attitude. I thrive in challenging environments where I can bring fresh perspectives and develop cutting-edge solutions. Whether you need a robust application, an intuitive user interface, or seamless system integration, I am committed to delivering exceptional results tailored to your needs. less -
Hire jerroldl4
🟢Available Now🟢 I am a Senior AI Full-Stack Developer specializing in building intelligent SaaS platforms, AI-powered applications, automation systems, and scalable web solutions. I have extensive experience designing and developing production-ready AI systems using Large Language Models (LLMs), Retrieval-Augmented...🟢Available Now🟢 I am a Senior AI Full-Stack Developer specializing in building intelligent SaaS platforms, AI-powered applications, automation systems, and scalable web solutions. I have extensive experience designing and developing production-ready AI systems using Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), AI Agents, and modern full-stack technologies. 🚀 I help startups and businesses transform ideas into reliable AI products by combining advanced AI engineering with strong full-stack development expertise. My core expertise includes: 🤖 AI & Machine Learning Engineering OpenAI API, GPT models, Claude, Gemini, Llama-based solutions LLM application development Retrieval-Augmented Generation (RAG) systems AI Agents and autonomous workflows LangChain, LangGraph, LlamaIndex Vector databases including Pinecone, Weaviate, Chroma, FAISS Prompt engineering and AI workflow optimization AI automation and intelligent assistants ⚡ Full-Stack Development Frontend: React.js, Next.js, TypeScript, JavaScript, Tailwind CSS Backend: Python, FastAPI, Django, Node.js, Express.js API design, microservices architecture, third-party integrations Database architecture with PostgreSQL, MongoDB, Redis Real-time applications using WebSockets and event-driven systems ☁️ Cloud & Infrastructure AWS, Azure, Google Cloud Platform Docker, Kubernetes, CI/CD pipelines Serverless architecture and scalable cloud deployments Security best practices, authentication, authorization, and data protection I focus not only on writing code but also on creating business-focused solutions that improve efficiency, reduce operational costs, automate repetitive processes, and deliver exceptional user experiences. I have worked closely with founders, product managers, designers, and engineering teams in Agile environments, helping define product strategy, architect scalable systems, mentor developers, and deliver high-quality software from MVP stage to enterprise-level platforms. My approach is based on clean architecture, maintainable code, strong performance optimization, and long-term scalability. Whether you need an AI chatbot, enterprise knowledge assistant, AI SaaS platform, automation workflow, or a complete full-stack application, I can help turn your vision into a successful product. 💚Feel free to contact me anytime; I can respond promptly.💚 less -
Hire hakan1022
Senior software engineer with 8+ years of experience building high-performance systems across blockchain, algorithmic trading bots, AI automation, and full-stack web/mobile development. I specialize in delivering fast, reliable, and production-ready solutions that help clients scale their businesses. ✅ Blockchain...Senior software engineer with 8+ years of experience building high-performance systems across blockchain, algorithmic trading bots, AI automation, and full-stack web/mobile development. I specialize in delivering fast, reliable, and production-ready solutions that help clients scale their businesses. ✅ Blockchain Development - Smart contracts (Solana, Ethereum, BSC, Polygon) - Rust / Anchor / Solidity - Token creation (meme coins, utility tokens, NFTs) - DEX integrations (Raydium, Orca, Uniswap, PancakeSwap) - Custom RPC, indexers, MEV tools - Wallet integrations (Phantom, MetaMask, WalletConnect) ✅ Trading Bots & Automation - High speed trading bots (Solana, Ethereum, CEX, DEX) - Copy trading bots - MEV / Arbitrage bots (Jupiter, Raydium, Orca, Uniswap) - Pump.fun sniping & presale bots - Grid bots, DCA bots, TP/SL/TSL automation - Binance/Bybit/OKX API integration - Real-time market data pipelines ✅ Web & Mobile Development - Frontend: React, Next.js, Angular, Vue - Backend: PHP, Node.js, Python (FastAPI/Flask), Go, Firebase, Supabase - Mobile: React Native, Ionic, Flutter, Java/Kotlin, Swift/Objective C - Databases: MySQL, PostgreSQL, MongoDB, Redis - DevOps: Docker, CI/CD, AWS, GCP ✅ AI / Machine Learning - OpenAI/GPT chatbot integrations - NLP pipelines - Automation workflows - CV (Computer Vision) model deployment - AI-powered tools and assistants Whether you need a trading bot, blockchain system, smart contract, mobile app, or AI solution, I can help you build it quickly and properly. less -
Hire mickeysz
Full-stack developer specializing in web, mobile, and AI-powered SaaS products. I build fast and scalable applications using React, Next.js, Node.js, Java and Python, with a focus on clean and maintainable code. Experienced in integrating AI features (OpenAI APIs), automation systems, and custom workflows to...Full-stack developer specializing in web, mobile, and AI-powered SaaS products. I build fast and scalable applications using React, Next.js, Node.js, Java and Python, with a focus on clean and maintainable code. Experienced in integrating AI features (OpenAI APIs), automation systems, and custom workflows to streamline processes. I develop cross-platform mobile apps with React Native and Flutter, ensuring smooth performance and a strong user experience. I handle end-to-end SaaS development, including authentication, APIs, multi-tenant architecture, and cloud deployment (AWS, Vercel, Docker). Focused on delivering practical, reliable solutions that turn ideas into scalable products. less
