Full Stack Developers in Berlin
matched in minutes from 15,000 CVs with the power of AI.Need React, Node.js, TypeScript, API work, or end-to-end product delivery? Hire full stack talent who can move between frontend and backend, shape clean architecture, and keep releases on track. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Full Stack Developers in Berlin
Abhishek N.
Last position:
Fullstack Developer at DAMALO GmbH
- Own full-stack development of an AI-native enterprise platform built on TypeScript, React, Vite, tRPC, Hono, and PostgreSQL, delivering AI-powered consulting workflows to B2B clients.
- Designed and shipped a multi-agent AI system using ReAct framework and Claude skills-style workflow patterns, including an intelligent PM assistant with rich system prompts, slash commands, tool integrations, and streaming chat UI.
- Architected an LLM evaluation framework: rubric-based LLM-as-judge, golden datasets, regression testing, and automated quality gating — ensuring consistent AI output quality at scale.
- Integrated LangFuse for end-to-end LLM tracing, conversation replays, and evaluation pipelines, enabling data-driven prompt optimisation that reduced token costs and response variance.
- Built with Drizzle ORM, pgvector, and knowledge graphs for structured data access, semantic search, and relationship-aware AI reasoning across the platform.
- Led TanStack React Query migration across the application — replacing manual state management with centralised caching and automatic refetching, reducing data-fetching boilerplate significantly.
- Practiced AI-native development throughout: Claude Code, Codex, Perplexity SDK, and LLM-assisted testing across the full development lifecycle. Deployed on Vercel + Azure ACA with Biome for linting/formatting.
Rüdiger S.
Last position:
Full-Stack Software Engineer / Consultant for Digitalization at ARTEVENT
Designed, built, and launched an internal event planning web application used by over 100 department leads for a large event, despite having no dedicated testing phase.
Ensured smooth, failure-free operation during first production use, leading to the tool being adopted for future events.
Automated catering calculations and related workflows, significantly reducing email communication and manual computation effort for meal planning.
Managed deployment and hosting on a Linux server using Coolify, including application setup and runtime operations.
Hired and guided a communication designer on UX while independently owning all technical decisions and implementation.
Aruldass A.
Last position:
Web Module Lead at Mphasis Limited
- Led the end-to-end delivery of enterprise full-stack web applications by driving requirement analysis, solution design, frontend and backend development, database design, API integration, code reviews, team coordination, Agile execution, CI/CD deployments, production support, performance optimization, security implementation, and stakeholder collaboration to deliver scalable, high-quality software solutions.
Maciej R.
Last position:
Full Stack Developer (Freelancer) at Runbuggy
- Led development of RunBot AI assistant autonomously using LLM-powered workflow automation (React, TypeScript, Java, MongoDB, NATS)
- Architected TMS platform providing unified transportation management and real-time logistics visibility with AI processing pipelines
- Designed event-driven microservices architecture supporting marketplace
- Drove architectural decisions and technical leadership across full-stack platform development
Ibrahim H.
Last position:
Senior Full Stack / AI Engineer at Punktum Digital GmbH
- Context: Healthcare and laboratory teams required faster document analysis, treatment-planning support, and reliable AI workflows for MR/VR-assisted operations.
- Contribution: Built the AI healthcare platform, model/agent workflows, VR-glasses deployment platform, REST APIs, Next.js/React interfaces, and CI/CD pipelines.
- Impact: Delivered a production-ready AI product foundation that improved clinical document review, supported laboratory automation, and made VR fleet deployment manageable across environments.
Tech: TypeScript, Next.js, Node.js, React, Java, Spring Boot, Python, PyTorch, TensorFlow, Docker, PostgreSQL, OpenAPI, GitLab, GitHub Actions.
Alois R.
Last position:
Senior Fullstack Developer at brandung GmbH
- Opt-in RAG extension over tenant-owned data sources (SharePoint, Confluence) on existing multi-tenant enterprise AI platform
- Architecture: ADRs, solution evaluations, permission strategy, cost modeling
- End-to-end SharePoint and Confluence connectors: OAuth consent flows, token refresh, metadata sync, search integration
- Permission resolution: ACL indexing at ingestion and query-time verification (document-level security)
- Elasticsearch hybrid search (semantic + keyword) with RRF scoring
- RAG chat with context injection and source citations
- Stack: Elastic Cloud, Elasticsearch, Docker, Northflank, Next.js, React, TypeScript, Prisma, Microsoft Graph API, Atlassian REST API, OAuth 2.0
Viktor S.
Last position:
AI Engineer (Freelance) at Empion
Enterprise AI content categorization and AI-powered web research.
- Built multi-LLM evaluation framework with annotated data
- Iterated LLM error rates based on annotated datasets
- Implemented AI-powered web research pipeline Stack: LLM, evals, OpenRouter, Python, Node.js, TypeScript, React
Karthikeyan R.
Last position:
Full-Stack Developer — Own Product at Self-employed
Java 21 · Spring Boot 3 · Keycloak · PostgreSQL · Docker · Nginx · GitHub Actions · DigitalOcean · React 18 · TypeScript · Plasmo
- Architected and shipped a production-ready Job Application Tracker end-to-end: REST API with 5-stage workflow, pagination, sorting, and dynamic filtering — full ownership from design to live cloud deployment on DigitalOcean.
- Implemented production-grade identity management: OAuth 2.0 / OpenID Connect / JWT / RBAC via Keycloak, applying Hexagonal Architecture and DDD principles.
- Built automated CI/CD pipeline (GitHub Actions); containerised with Docker; Nginx reverse proxy with path-based routing and SSL termination.
- Developed a Chrome Extension (Plasmo framework, Manifest V3) that auto-fills job applications directly from LinkedIn into the tracker — demonstrates full product thinking across backend API and browser client.
Hans-Christian P.
Last position:
Senior Full Stack and AI Engineer at simpleshow
- Developed a Generative AI-based image recommendation engine for an AI video production system
- Implemented automatic image analysis with GPT-4o
- Built semantic vector search using OpenAI embeddings, MongoDB, and OpenSearch
- Tagged and indexed 4 million customer assets
- Redeveloped recommendation engine with a hybrid, balanced keyword and vector search plus filters
Martin S.
Last position:
Fullstack Developer at Affiliate / Price Comparison (Technical Relaunch)
- Technical relaunch of the existing affiliate site based on Pimcore and Symfony
- Use of TailwindCSS for performant and flexible frontend design
- Implemented a CI/CD pipeline with GitHub Actions
- Used Redis for caching and performance optimization
- Responsible for DevOps tasks including system configuration and deployment
- Integrated the eBay API for automated data processing
- Managed tickets via YouTrack and team communication through Slack
- Test coverage with Codeception (unit & acceptance tests)
- Continuous development, maintenance, and performance improvement
- Designing new features and optimizing existing processes
Peter M.
Last position:
Fullstack Developer at Innobee
- Established and configured Docker containerization infrastructure for frontend development, ensuring seamless synchronization with Docker Hub repositories and Virtual Private Server deployments
- Implemented comprehensive ESLint code quality standards across the entire TypeScript and React Vite codebase to maintain consistent coding practices and enhance code maintainability
- Developed and maintained schema synchronization protocols between frontend and backend systems to ensure data consistency and API compatibility
- Designed and executed automated CI/CD pipeline workflows to streamline development processes and reduce deployment time by 40%
- Collaborated with cross-functional teams to architect scalable microservices infrastructure supporting high-availability production environments
- Conducted comprehensive code reviews on best practices for modern web development frameworks and deployment strategies
René P.
Last position:
Full Stack Developer at XPS Software
- Industry: B2B
- Headless frontend with AEM integration
- Key challenge: Migrating a PWA application in live operation based on .NET and legacy code; the entire application must be converted to React and Express.js/TypeScript
- Technical frameworks: Tailwind, XML, JavaScript, Caddy, ReactJS, Express.js, REST API, JSON
- Cloudflare CDN
- Caddy server with GitHub CI/CD pipeline
Oussama K.
Last position:
Senior Frontend Developer at DKB Code Factory GmbH
Vamsi K.
Last position:
Full Stack .NET Developer at Neusta GmbH
- Implemented and maintained logistics-domain applications using Angular, C#, ASP.NET, HTML5, CSS3, JavaScript, AJAX and Bootstrap
- Analyzed, designed, coded and deployed backend services and integrations using .NET, XML Web Services and RESTful APIs
- Developed automated SSIS packages and scheduled ETL jobs to support data workflows
- Built and maintained Python scripts for automation and prototyping; applied Cursor AI to build/refactor full-stack AI/ML model integrations
- Implemented unit and integration testing (NUnit) and conducted performance tuning for backend services
- Managed source control and CI/CD using GitHub, Azure CI/CD pipelines and TeamCity
Oleg A.
Last position:
Lead Full Stack Software Engineer at sdev
- Worked on a customer project under NDA
- Tech stack used:
- Backend: TypeScript, Node.js, NestJS, Express, PostgreSQL, OpenAI API, Docker
- Frontend: TypeScript, Vue.js 3 with Composition API, Vuetify 3, Angular, Angular Material, SCSS, TailwindCSS
Discover over 15,000 top freelancers
Full Stack Developers statistics
Aggregated from the professional profiles of matched freelancers.
Experience
15 years (Germany: 16 years)
Position duration
1.6 years (Germany: 2.8 years)
Positions per freelancer
10 (Germany: 12)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Media and Entertainment, Banking and Finance
Certification focus areas
Information Technology, Product Development, Business Intelligence
Bachelor's degree or higher
95% (Germany: 89%)
Master's degree or higher
43% (Germany: 46%)
Certifications per freelancer
2 (Germany: 1)
Most common languages
English, German, Spanish
Speak two or more languages
100% (Germany: 97%)
Based on our profile pool as of 15 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this role in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates for Full Stack Developers in Berlin
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 15 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Full Stack Developers experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Media and Entertainment (46%)
- Banking and Finance (42%)
- Healthcare (42%)
- Retail (38%)
- Automotive (35%)
- Professional Services (35%)
- Education (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the role
What they build
A full stack developer works across the full web product stack. They connect user-facing interfaces with server logic, databases, APIs, and deployment flows. Companies bring in a freelancer when they need one person who can take ownership of a feature from concept to release and keep both frontend and backend aligned.
Typical deliverables
- Web apps and product features built end to end
- REST or GraphQL APIs connected to frontend components
- Database models, migrations, and data flows
- Authentication, permissions, and session handling
- Bug fixes, refactoring, and performance improvements
- Cloud deployment, build setup, and CI/CD support
Core skills
Strong full stack developers are comfortable moving between JavaScript or TypeScript on the frontend and backend, often with React, Next.js, Node.js, Express, NestJS, or similar stacks. They understand database design, state management, testing, and secure integration with third-party services. Good communication matters just as much as code, because they often need to align product, design, and engineering decisions.
When Berlin teams hire
In Berlin, companies often look for freelance full stack developers when a product team is short on capacity, a new MVP must move quickly, or an existing platform needs a focused rebuild. Startups, agencies, and established tech teams all use freelancers for fixed-scope work, feature bursts, and specialist support during launches. Remote collaboration is common, but on-site workshops can help when requirements are still shifting.
What sets strong people apart
A strong full stack developer does not just write code in two places. They make practical trade-offs, keep architecture simple, and spot issues before they reach production.
- They ship working features, not isolated snippets
- They write readable code and test the risky parts
- They understand how frontend and backend choices affect each other
- They can explain options clearly to product and design teams
- They leave the codebase easier to maintain than they found it
Common adjacent titles
People may search for a full stack developer as a full-stack engineer, web developer, software engineer, or full stack programmer. The work can overlap with frontend or backend roles, but the key difference is breadth: the best fit can cover both sides of the product and keep the handoff between them smooth. In Berlin, that is especially useful for fast-moving digital products where teams need flexible collaboration and clear English communication.
Frequently asked questions
Need clarity? These are the questions we hear most often about Full Stack Developers.
A full stack developer handles both the frontend and the backend of a web product. That usually includes building interfaces, APIs, database logic, and deployment support. The best freelancers can take a feature from the first spec to a working release.
Look for solid JavaScript or TypeScript skills, plus comfort with a modern frontend framework and a backend stack such as Node.js, Express, or NestJS. They should also understand databases, authentication, testing, and basic cloud workflows. A good full stack developer can move between layers without creating fragile code.
A frontend developer focuses on the user interface, while a backend developer focuses on server-side logic and data. A full stack developer does both and connects them in one solution. That makes the role useful when you need end-to-end delivery, not just one layer of the system.
Freelance support makes sense when the work is clearly scoped, time-sensitive, or tied to a product milestone. Many teams use a full stack developer to unblock a launch, add features to an existing app, or cover a gap while hiring is still in progress. It is also a good choice when you need flexibility without adding a long-term headcount commitment.
Yes, remote work is common for this role, especially for product work that already has clear tickets, designs, and technical direction. For Berlin teams, occasional on-site sessions can help with planning, discovery, or complex architecture decisions. The best setup is the one that matches the project’s level of uncertainty and the team’s way of working.
The exact stack depends on the product, but common tools include React, Next.js, Vue, Node.js, PostgreSQL, MongoDB, REST, GraphQL, Git, Docker, and CI/CD tooling. A full stack developer should be able to adapt to your existing codebase rather than forcing a new stack. Tool familiarity matters, but problem-solving and code quality matter more.
Ask for examples of features they delivered across the whole stack, not only isolated frontend screens or backend endpoints. A strong full stack developer can explain trade-offs, testing approach, performance decisions, and how they kept the system maintainable. Clean code, clear communication, and practical judgment are better signs than a long tool list.
A good full stack developer will want clarity on scope, ownership, code standards, release process, and who approves product decisions. They should also understand whether they are expected to build a new feature, stabilize an existing system, or support a broader migration. Clear expectations early make delivery much smoother.
The average hourly rate for Full Stack Developers in Berlin is 86 €, which corresponds to a daily rate of about 687 € based on an 8-hour working day.
Of the freelancers working as Full Stack Developers in Berlin, 95% hold at least a Bachelor's degree and 43% hold at least a Master's degree.
On average, freelancers working as Full Stack Developers in Berlin have 15 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers working as Full Stack Developers in Berlin are English (100%), German (96%), and Spanish (15%).
The most common industries among freelancers working as Full Stack Developers in Berlin are Information Technology (100%), Media and Entertainment (46%), and Banking and Finance (42%).
The most common business areas among freelancers working as Full Stack Developers in Berlin are Information Technology (100%), Product Development (100%), and Project Management (50%).
FRATCH Full Stack Developers main locations
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin 
Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg 
Hamburg 
Munich 
Cologne 
Frankfurt 
Dusseldorf Countries:
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Philipp Thomaschewski
FRATCH CEO
