Full Stack Developers
from over 15,000 CVs, matched in minutes with the power of AINeed someone who can move across React, Node.js, APIs, databases, and deployment without handoff gaps? Find vetted full stack freelancers for web apps, product rebuilds, internal tools, and integration work, with fast and precise matching to available experts.
Meet FRATCH Full Stack Developer
Qamar H.
Last position:
Freelance Consultant Data Analytics & AI Portfolio at TIC Company
- Support for a data, analytics and AI initiative in a regulated enterprise environment by structuring, evaluating and prioritizing several data-driven use cases based on business impact, feasibility, scalability, data maturity and governance requirements.
- Translation of complex business and analytics requirements into clear product, data and implementation logic, as well as preparation of decision-ready documents, target visions and roadmap inputs for stakeholder and management discussions.
Mario M.
Last position:
Co-Founder and CTO at B2B SaaS Recruiting Platform
Complete build of a B2B SaaS platform for recruitment agencies
- Multi-source job aggregation via ATS APIs
- AI-assisted career page scraping
- Rule-based and AI-assisted matching
- Credit-based monetization model with Stripe integration
- Live in production since July 2026
Tech stack
- NestJS
- React
- PostgreSQL
- pgvector
- Claude AI
- Prisma
Stefan H.
Last position:
Fullstack Development, Product Owner & Tech Lead at Trex AG
- Business analysis, architecture, and implementation of a telemedicine platform for pet owners.
- Leading the development team as Product Owner and Tech Lead.
- Introducing agile processes, setting up development guidelines and system documentation.
- Planning and implementing features like video calls, live chat, and marketing automation.
- Implementing AI-based features such as automated tagging of information (missing pet reports, marketplace entries, etc.), preparation of social media content, and processing of conversation transcripts.
- Skills: Angular, NGXS, Tailwind, Java, Spring Boot, Kubernetes, Docker, CI/CD, MySQL, LLMs, RAG, MCP, Redis, OpenSearch.
- Industry: Veterinary medicine.
Collin K.
Last position:
Software Architect / Fullstack Developer at Equity Bytes
Built an international e-commerce platform for a multi-vendor marketplace for digital assets from scratch. Designed and operated cloud native architectures at enterprise scale.
- Designed and operated a highly scalable microservice and serverless architecture
- Built the complete cloud infrastructure with Terraform + AWS CDK in AWS
- Provisioned ECS/EKS clusters (Fargate), Application Load Balancers (reverse proxy), and Lambda functions
- Observability & tracing with CloudWatch, DataDog, Prometheus, and Grafana
- End-to-end setup with DataDog (formerly AWS CloudWatch), Prometheus, and custom Grafana dashboards
- Integration of advanced metrics (including ORM mapper) and distributed tracing with Jaeger
- Robust backup and disaster recovery strategies
- RDS Postgres backups and hourly snapshots
- Read-only, asynchronously synchronized replicas with automated master failover in emergencies
- Minute-level rollback capability through versioned Docker images on ECS and Git-based CI/CD pipelines
- Created CI/CD pipelines with GitHub Actions for automated multi-stage deployments (Dev, Testing, Prod)
- Integrated Stripe for international payment processing
- Built a marketplace payment system with multiple parties and payout routines
- Used Algolia for high-performance real-time search of digital assets on the platform
- Federation of services with GraphQL and Hasura
- Later migration to GraphQL Mesh
- Test Driven Development (TDD) - unit, integration, and E2E testing with Jest, Vitest, and Playwright
- Used Next.js / React for modern frontend applications in the nx monorepo
- Enterprise security architecture & access control
- Integration of JWT tokens with Auth0, OAuth, OIDC, IP guards, BOLA protection, and secret vaults
- Authorization concepts with RBAC, ABAC, and native Postgres Row-Level Security (RLS)
- Built internal microfrontends with Retool for fast prototyping and operational business processes
Technologies: ABAC, AWS CDK, AWS CloudWatch, AWS ECS, AWS EKS, AWS Fargate, AWS RDS, AWS S3, Algolia, Auth0, DataDog, Docker, GitHub Actions, Grafana, GraphQL, GraphQL Mesh, Hasura, JWT, Jaeger, Java, JavaScript, Jest, Kotlin, Kubernetes, Monorepo, Next.js, OIDC, Playwright, Postgres, Postgres RLS, Prometheus, RBAC, Redis, Retool, Serverless, Stripe, Terraform, TypeScript, Vitest
Manuel M.
Last position:
ERP Process Modeling at Richter Pharma AG
Migration preparation for the upcoming ERP system change: recording all ERP-related business processes, analyzing pain points, and consolidating them into process views. Ensuring that every process can be transferred to the target system or that an alternative exists. Result: a solid working basis for system integrators and a company ready for migration.
BPMN · Camunda
Bojan A.
Last position:
Full Stack Developer with Angular at Further Education
- Highest level achieved: Certified Mid-Level Angular Developer
- 13 technologies newly learned or refreshed with (re-)certifications
- Current: Docker, Azure, Quarkus
Harold T.
Last position:
CPU Watcher — Cloud-Native Monitoring Application at SEUYTEL
- Planned and developed a CPU monitoring application for monitoring system performance and resource utilization.
- Designed and implemented a Spring Boot backend providing a REST API for processing and exposing monitoring data.
- Developed the React frontend for presenting monitoring information in a clear and user-friendly interface.
- Integrated PostgreSQL for persistent storage and management of application data.
- Containerized the application and its services using Docker Compose.
- Automated infrastructure provisioning and deployment using Terraform on AWS.
- Structured the application as a modern, maintainable system using REST-based communication between frontend and backend.
- Designed and developed a secure, scalable CPU monitoring architecture (cpu-watcher) with a dedicated collector application that streams monitoring data to the backend, reducing direct exposure of system resources.
- Designed a secure cloud infrastructure with the database isolated within a private network and OIDC-based authentication.
- Implemented Infrastructure as Code with Terraform and integrated version-controlled CI/CD pipelines to automate testing, infrastructure changes, and application deployments.
- Designed and implemented the frontend delivery architecture using AWS CloudFront.
Stack: Spring Boot · React · PostgreSQL · REST API · Docker Compose · Terraform · AWS
Daniel S.
Last position:
AI Automation in E-Commerce at Looops
- AI automation roadmap for a D2C/B2B e-commerce company.
- Customer service bot with RAG over support tickets and product data, OCR pipeline for incoming invoices with writeback to Business Central, lead gen and posting automation.
- Deterministic n8n workflows with EU-hosted models.
- n8n, RAG / Mistral, Qwen/BGE embeddings / Business Central API, HubSpot, Shopify / Scaleway, S3 / Claude Code, OpenCode.
Csaba K.
Last position:
ServiceNow Consultant at DXC
- Worked in mixed teams with several clients
- Performed requirement engineering, proposal and time estimation
- Developed ACLs, business rules, flows, workflows, catalog items, various scripts, UI actions, policies, scoped applications
- Customized mobile apps: Now Agent and Now Mobile
- Implemented integrations using the Integration Hub
- Coordinated continuously with clients during development
- Performed testing and helped clients with testing
- Deployed to production and applied main version upgrades and patches
- Managed CMDB, domain separation and asset management
- Integrated between instances at different clients
- Developed GlideScript: business rules, scripted REST endpoints, extension points, fix scripts, background scripts
Patrick L.
Last position:
GenAI Fullstack Freelancer at Palema
- Techstack: Next.js, React, Typescript, ChromaDB, Embedding Models, OpenAI API
- Developed an AI-based matching system for a recruiting company for targeted candidate search in over 370,000 LinkedIn profiles
- Architected Next.js frontend, ChromaDB as vector database, BGE-ICL for embeddings and GPT-4.1 for semantic search via tool calls
- Automated manual pre-selection to enable finding qualified candidates in seconds
- Managed three Linux Ubuntu servers for clients with open source software based on Docker containers
Daniel A.
Last position:
Solution Architect and Fullstack Developer at IoT Sensor Data Processing and Evaluation
- Develop a concept for the analysis of sensor data.
- Assess implementation options, products, and pricing in Azure.
- Present and advocate the solution concept to the client.
- Implement an ETL pipeline for processing sensor data.
- Integrate BI solutions with the data repository.
- Provide documentation and support for end users.
Ned O.
Last position:
Tech Lead at R3leaf GmbH
- Autonomously drafted architecture and delivered production code at startup pace
- Wrangled diverse geospatial formats (NETCDF, GeoTIFF, GML) into unified standards and built scalable climate data visualisations from hundreds of GBs of geodata in a production web app
- Mentored developers, facilitated AI skill sharing, and contributed to competitive strategy with C-Level leadership
Hooman B.
Last position:
Fullstack Developer at Möbel Roller GmbH
- Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
- Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
- Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
- Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
- Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
- Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
- Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
- Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
- Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.
Stefan K.
Last position:
Fullstack Developer (Freelancer) at Sciuto Software GbR
- Implementing a real-time procedural 3D/AR eyelash configurator using Three.js and MediaPipe
- Building a full-stack web application with React.js and Python
- Consulting on app and web development
Jack S.
Last position:
Freelance - Fullstack Engineer at SMG Swiss Marketplace Group
- Supported the team in merging two real estate platforms into a unified Vue.js-based solution
- Developed a custom SSR microservice architecture deployed on AWS Lambdas
- Designed and implemented a map drawing feature
- Took ownership of migrating the microservice from Vue 2 to Vue 3
- Built a scalable SSR microservice architecture using AWS Lambda
- Developed and implemented a critical map drawing feature for real estate visualization
- Successfully migrated the microservice from Vue 2 to Vue 3
- Gained deep knowledge of AWS infrastructure, Datadog, Sentry, and Vite
- Technologies: Vue.js, Node.js, Vite, AWS Lambda, Datadog, Sentry, JavaScript
Discover over 15,000 top freelancers
Full Stack Developer statistics
Aggregated from the professional profiles of matched freelancers.
Experience
16 years
Position duration
2.8 years
Positions per freelancer
12
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
89%
Master's degree or higher
49%
Doctorate
6%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
97%
Based on our profile pool as of 10 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this role 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 Developer
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 10 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Full Stack Developer 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 (98%)
- Banking and Finance (48%)
- Retail (48%)
- Automotive (36%)
- Healthcare (35%)
- Media and Entertainment (33%)
- Manufacturing (33%)
- Transportation (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the role
What they build
A Full Stack Developer works on both the front end and the back end of a product. They turn product ideas into working web applications, connect services, and keep the user experience and server logic aligned.
- Build user interfaces with clean, maintainable code
- Create APIs and connect them to databases and third-party services
- Fix performance issues across browser, server, and data layers
- Add login, roles, workflows, forms, dashboards, and business logic
Core skills
Strong Full Stack Developers know how to move between layers without losing sight of the product. They understand modern JavaScript or TypeScript, a front-end framework such as React, and back-end work with Node.js, Python, Ruby, Java, or similar stacks.
They should also be comfortable with SQL, schema design, authentication, testing, Git, debugging, and release processes. A good freelance developer writes code that is readable, practical, and easy for an internal team to take over.
Tools and stacks
The exact stack depends on the product, but common choices include React, Next.js, Vue, Node.js, Express, PostgreSQL, MySQL, MongoDB, REST APIs, GraphQL, Docker, and cloud services. In product teams, a Full Stack Developer may also work with CI/CD pipelines, headless CMS tools, analytics, and payment or identity integrations.
This role is especially useful when one person needs to own the full path from interface to server to database. That is common in SaaS, e-commerce, marketplace, logistics, and internal business software.
When companies hire
Companies bring in freelance Full Stack Developers when they need speed, flexibility, or a very specific skill set. Typical cases include a new product launch, a feature rebuild, a migration from one framework to another, backlog cleanup, or support for a small in-house team.
- Build an MVP or prototype without hiring separate front-end and back-end specialists
- Add features to an existing product with limited internal capacity
- Modernize legacy code and reduce technical debt
- Support short, focused delivery sprints for product, platform, or operations teams
What strong profiles show
A strong Full Stack Developer makes trade-offs clearly. They can explain why a feature should live in the client, server, or database, and they write code that fits the project stage instead of overengineering it.
Look for people who communicate well with product managers, designers, and engineers. The best freelancers keep scope tight, document their work, and hand over a system that your team can maintain.
Good collaboration
Full stack work often starts with a short audit of the codebase, architecture, and release setup. After that, the freelancer should be able to plan tasks, work in your repo, and ship changes in small, testable steps.
If your team is remote, this role works well with clear tickets, code review, and regular check-ins. If the work touches sensitive systems or complex integrations, on-site time can help at the start, but most delivery can still move online.
Frequently asked questions
Questions about Full Stack Developer? Start with the answers below.
A Full Stack Developer handles both the interface and the server side of a product. That can include building pages, wiring APIs, working with databases, fixing bugs, and shipping new features end to end. Companies often hire this role when they want one person who can move across the whole stack without waiting on multiple specialists.
A strong full stack developer should be solid in modern JavaScript or TypeScript and at least one front-end framework such as React or Vue. They also need back-end skills, database knowledge, testing habits, and a clear way of working with Git and code review. Good communication matters as much as technical depth, because they need to coordinate across product, design, and engineering.
A Full Stack Developer works across both sides of the application, while a front-end developer focuses on the browser and a back-end developer focuses on server logic and data. The full stack role is useful when the same person must connect the user experience to APIs, databases, and deployment. It is not about doing everything alone; it is about being able to own the full path of a feature.
A freelance Full Stack Developer makes sense when the need is project-based, urgent, or tied to a specific stack. Companies often choose this route for MVPs, migrations, feature bursts, or temporary support for an overloaded team. It is also a practical option when you need senior execution before you are ready to add a permanent role.
Most Full Stack Developers can work remotely if the scope is clear and the team uses good documentation, ticketing, and code review. On-site time can help at the start of a project, especially for product discovery, architecture talks, or work with sensitive systems. For ongoing delivery, remote collaboration is usually efficient if the team shares a single codebase and release process.
Look at recent work, not just a list of tools. A good full stack engineer shows practical judgment, clean code structure, and the ability to explain trade-offs in simple terms. You should also check whether they can discuss testing, deployment, data modeling, and how they would take over an existing codebase.
Yes. Many people search for a Full Stack Developer under titles like full stack engineer, web developer, or software engineer, depending on the product and the company. The important point is the scope: the person should be able to work across the client, server, and data layers, not only one of them.
A Full Stack Developer is a strong fit for web apps, dashboards, internal tools, SaaS products, marketplaces, and integrations between systems. This role works especially well when features cut across several layers and the team wants one person to keep the implementation consistent. It is less useful for very narrow specialist work, such as only UI polish or only infrastructure.
The average hourly rate for Full Stack Developer is 90 €, which corresponds to a daily rate of about 718 € based on an 8-hour working day.
Of the freelancers working as Full Stack Developer, 89% hold at least a Bachelor's degree, 49% hold at least a Master's degree, and 6% hold a doctorate.
On average, freelancers working as Full Stack Developer have 16 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers working as Full Stack Developer are German (98%), English (96%), and French (12%).
The most common industries among freelancers working as Full Stack Developer are Information Technology (98%), Banking and Finance (48%), and Retail (48%).
The most common business areas among freelancers working as Full Stack Developer are Information Technology (100%), Product Development (100%), and Quality Assurance (48%).
FRATCH Full Stack Developer main locations
Our freelancers and interim experts are at home all over Germany — available on-site in Berlin, Hamburg, Munich and every major business hub, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Berlin 
Hamburg 
Munich 
Cologne 
Frankfurt 
Dusseldorf In Austria our freelancers and interim experts support companies from Vienna to Graz — on-site where your project needs them, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Vienna Graz Across Switzerland our specialists are active in Zurich, Geneva, Basel and Bern — working on-site or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Zurich Geneva Basel Bern Countries:
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Philipp Thomaschewski
FRATCH CEO
