
Fastify Experts in Germany
, matched in minutes with vetted, available freelancersHire experts who design Fastify APIs, plugins and high-throughput Node.js backends for demanding products. Work with specialists experienced in TypeScript, schema validation, testing and cloud deployment, matched quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Fastify
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
Martin R.
Last position:
Principal Fullstack Engineer / Tech Lead Fullstack Applications at Procure Ai Ltd
Procure Ai builds a procurement platform with tools to optimise purchasing and supplier management, delivering real-time analytics, cost-saving insights, and automated workflows. A common data model integrates and enriches data from multiple ERP and e-procurement systems including Ivalua, SAP, Coupa, WPS, and Jaggaer.
06/2025 – TODAY:
- Architecting and building a new AI-native procurement platform with document intelligence, an agent orchestration layer using Mastra and LLM-based workflow automation across supplier, intake and category management use-cases
- Shipped agentic engineering workflows across the development team, enabling LLM-assisted code generation and review automation, measurably reducing cycle time on repetitive development tasks
- Migrating the Design System from Material UI to shadcn/ui with Tailwind, improving consistency and reducing frontend build overhead
- Staying hands-on across frontend, backend and AI features while the engineering team grew from 10 to 20+ engineers: hiring, onboarding, 1:1s and mentoring
06/2020 – 06/2025:
- Joining as the first engineer after the two founders; shaping platform architecture and product vision from scratch in close collaboration with the CTO, growing the platform to serve 10 enterprise customers
- Leading fullstack feature development on the core procurement platform, with focus on Analytics, Search, and Autonomous Negotiations use-cases: defining MVP scope, aligning technical decisions to customer outcomes, and cutting work that wasn't delivering value
- Challenged a field-based configuration request for Autonomous Negotiations and instead built a node-based rule builder matching how category managers think in conditions and branches; later reused across other workflow and decision configuration use-cases
- Designing and implementing multi-tenant authentication and fine-grained authorisation based on organisational units
- Architecting and building a multi-tenant Admin Application for managing customer installations across environments, covering configuration, feature flags, and i18n
- Creating and maintaining a custom Design System built on Material UI, used across the full product
- Setting up and maintaining CI/CD pipeline and full QA suite (linting, unit, integration, and e2e testing)
- Architecting and implementing a multi-environment release process using Helm and Helmfile; owning infrastructure as code across AWS and Azure
- Researching and piloting new tools and frameworks; making build-vs-buy decisions to balance velocity, cost, and long-term maintainability
- Grew the engineering team from 4 to 10+ engineers, mentoring engineers and building a culture of ownership, code review and iterative delivery
Technologies: TypeScript, JavaScript, React, Node.js, Fastify, GraphQL, GraphQL Codegen, GraphQL Mesh, GraphQL Yoga, Hasura, Apollo Client, REST, CubeJS, PostgreSQL, Prisma, Elasticsearch, Meilisearch, Typesense, Kafka, Avro, Karapace, Kubernetes, Docker, Terraform, OpenTofu, Helm, Helmfile, GitLab CI, Keycloak, Better-Auth, OpenFGA, Nx, Vite, Vitest, Playwright, Testing Library, Storybook, Chromatic, Material UI, shadcn/ui, Tailwind, React Flow, recharts, i18next, Backstage, Grafana, Sentry, Zod, Claude Code, Codex, Mastra, Vercel AI SDK, Vercel AI Elements, AWS, Azure
Piotr K.
Last position:
Senior Software Engineer at On
- Built middleware service integrating EDI providers and marketplace partners with Microsoft Dynamics 365 to receive sales orders and communicate shipments, invoices, inventory, and price catalogues
- Utilized a mixture of REST APIs and event-driven data processing pipelines
Cesar S.
Last position:
Lead Cloud Engineer at Charge-V GmbH
- Responsible for setting up and configure AWS Organizations and Control Tower on company's master organizational account
- Administer and maintain various AWS services, including EC2, S3, RDS, Lambda, VPC, IAM, etc.
- Monitor system performance, availability, and capacity planning to ensure scalability and reliability
- Implement and maintain infrastructure as code (IaC) using tools like CloudFormation or Terraform
- Work closely with development and operations teams to automate deployment processes using CI/CD pipelines (e.g., Jenkins, GitLab CI/CD)
- Develop and maintain scripts for automating routine tasks and infrastructure provisioning
- Implement automation for monitoring, logging, and alerting to ensure timely incident response
- Implement and enforce security company guidelines and best practices for AWS environments
- Configure and manage AWS security services such as AWS Identity and Access Management (IAM), AWS WAF, AWS Shield, etc.
- Collaborate with the Security Team to improve and update security policies and posture
- Collaborate with development teams to provide agile deployments and optimize application performance and reliability on AWS
- Provide technical support and guidance to internal teams on AWS-related issues and best practices
- Participate in cross-functional projects to enhance overall infrastructure and operational efficiency
Yaswanth R.
Last position:
Associate Software Developer at Buzzing Bulbs Private Limited
- Designed and developed image classification models for computer vision tasks, including dataset creation, preprocessing, validation, and visualization; applied machine learning and deep learning techniques to optimize accuracy and performance.
- Conducted experiments with appropriate ML algorithms, LLM-based approaches, and tools; performed statistical analysis, hyperparameter tuning, and fine-tuning using test results for robust model performance.
- Developed and optimized CRUD operation APIs using Node.js (Fastify) and Flask (Python), improving latency and ensuring scalability.
- Implemented backend solutions with SQLAlchemy for database management, and automated workflows using cron jobs and AWS Lambda functions.
- Experienced in implementing and maintaining CI/CD pipelines to streamline deployments and ensure reliable software delivery.
- Consistently achieved service time and quality targets while maintaining strong, collaborative, and professional working relationships across teams.
Christian W.
Last position:
Senior Full-Stack Developer at Quantrefy GmbH
- Developed a scalable middleware to connect 5 core ESG data provider APIs using Python (FastAPI, Django, Flask)
- Performed data analysis, reporting, and forecasting of ESG data with PHP (Laravel, Symfony)
- Integrated features into an existing data analytics platform, introducing React.js (Redux) with JavaScript/TypeScript after 1.5 years of stagnation
- Implemented comprehensive test automation using pest and unittest
- Built REST APIs and microservices for the Laravel backend, incorporating GitHub Actions
- Integrated LLM and GenAI capabilities
- Managed relational databases (PostgreSQL)
- Technologies: PHP (Laravel, Symfony), Python (FastAPI, Pandas, NumPy), AWS, Node.js (Fastify), AngularJS, TypeScript, Docker, Kubernetes (OpenShift)
Sven B.
Last position:
Frontend Developer at TQGG
- Reimplementation of the ESN.com online shop with Shopify's Hydrogen and Remix
- Headless CMS Contentful integration via GraphQL
Daniel D.
Last position:
Full-stack web developer at birdeatsbug.com
- Fullstack development of our product: a web app (VueJS), Chrome extension (VueJS), SDK (JS), API (NodeJS), GraphQL server (Hasura, Postgres)
- Included development of multiple user-facing features, conversion of app and extension from Vue2 to Vue3, implementation of E2E testing system (Playwright), as well as debugging and refactors, on a team from 2 to 4 developers
- Deployment on Google Cloud Storage, including management of CI pipelines and jobs
Hendrik B.
Last position:
Lecturer at Front and Fullstack Development Lecturer
- Teaching JavaScript, HTML, CSS, React, NodeJS, MongoDB, MariaDB, and Express
- Designing and preparing lessons
- Classroom teaching and one-on-one coaching
Thomas P.
Last position:
Freelance Software Architect at Self-employed
Mahdi C.
Last position:
Production Assistance at Brammiball's Donuts
- Support daily bakery operations by maintaining hygiene standards.
- Collaborate effectively within a team to ensure smooth production flow.
Discover over 15,000 top freelancers
Statistics of experts using Fastify
Aggregated from the professional profiles of matched freelancers.
Experience
16 years

Position duration
2.1 years

Positions per freelancer
10

Top business areas
Information Technology, Product Development, Business Intelligence

Top industries
Information Technology, Education, Professional Services

Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
80%
Master's degree or higher
70%
Doctorate
10%

Certifications per freelancer
3

Most common languages
German, English, Spanish

Speak two or more languages
100%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Germany using Fastify
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Fastify 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%)
- Education (55%)
- Professional Services (36%)
- Retail (36%)
- Construction (27%)
- Healthcare (27%)
- Manufacturing (27%)
- Advertising (18%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Fastify at a glance
Fastify is a web framework for Node.js focused on speed, low overhead and a clear plugin architecture. It supports HTTP APIs, backend services and event-driven applications where efficient request handling matters. Its schema-based approach also makes validation and serialization part of the application design.
APIs and services
Fastify specialists use the framework to deliver REST APIs, internal services, authentication layers and backend-for-frontend systems. They structure routes, hooks and plugins so teams can extend a service without creating tangled dependencies. Fastify can also support WebSocket integrations and services that connect to databases, queues or external APIs.
Ecosystem and tooling
The core framework is commonly combined with TypeScript, JSON Schema and TypeBox or related schema tools. Specialists may work with official Fastify plugins for authentication, cookies, CORS, rate limiting, PostgreSQL, Redis and multipart uploads. Testing often includes fast, isolated HTTP checks with Fastify’s injection utilities, alongside Vitest, Jest or other Node.js tooling.
When companies need expertise
- A Node.js service needs lower overhead or a cleaner modular structure
- An existing Express application is being assessed for migration
- API contracts, validation and serialization need stronger consistency
- A backend must connect reliably to databases, queues and cloud services
Companies in Germany often bring in freelance Fastify expertise during API modernisation, product launches and platform refactoring. Remote collaboration works well when contracts, reviews and deployment ownership are clearly defined; on-site work can help with close coordination during complex transitions.
What strong specialists deliver
Strong professionals understand more than route handlers. They design plugin boundaries, choose schemas carefully, handle asynchronous errors and protect shared resources under load. They also document API behaviour, build meaningful tests and make observability practical through logs, metrics and tracing. Experience with Node.js runtime behaviour and TypeScript is usually central to dependable Fastify work.
Choosing the right fit
Look for specialists who can explain why Fastify suits the service, rather than treating it as a drop-in label. Review examples of API design, schema validation, integration testing and production operations. Ask how they would approach Express compatibility, plugin encapsulation, error handling and deployment. For teams in Germany, clarify language expectations, working hours and whether the engagement is remote, hybrid or on-site before work begins.
Frequently asked questions
Questions about Fastify? Start with the answers below.
Fastify is used to build fast Node.js web servers, REST APIs, internal services and backend-for-frontend layers. It is a strong fit when low overhead, structured plugins and schema-based validation are important.
Fastify generally offers a more structured plugin model and built-in support for schemas, validation and serialization than Express. Express has a larger and older ecosystem, so the right choice depends on existing middleware, migration effort and the team’s preferred architecture.
A strong Fastify specialist usually brings Node.js, TypeScript, HTTP API design and JSON Schema knowledge. Useful adjacent skills include PostgreSQL or MongoDB, Redis, queues, authentication, Docker, cloud deployment and automated testing.
The required level depends on the service’s risk and complexity. A small API may suit a specialist who can handle routes, schemas and tests, while a large production system calls for experience with plugin boundaries, observability, security and performance troubleshooting.
Fastify projects are often well suited to remote collaboration because API contracts, pull requests, tests and deployment workflows are easy to review asynchronously. Teams in Germany should agree on communication language, overlapping working hours, documentation standards and access to development environments.
A Fastify migration requires more than replacing route declarations. The specialist should assess middleware compatibility, rewrite validation and error handling, map Express patterns to encapsulated plugins and confirm that performance, logging and API behaviour remain correct.
Review how the professional structures plugins, defines schemas and tests both successful and failing requests. High-quality Fastify work has clear boundaries, consistent errors, secure defaults, useful observability and documentation that another specialist can maintain.
Fastify is designed for low-overhead request handling and can suit high-throughput APIs when the full system is designed carefully. A specialist should also examine database access, serialization, caching, network limits and deployment capacity instead of treating framework choice as the only performance factor.
The average hourly rate of freelancers in Germany who have used Fastify in their recent projects is 102 €, which corresponds to a daily rate of about 815 € based on an 8-hour working day.
Of the freelancers in Germany who have used Fastify in their recent projects, 80% hold at least a Bachelor's degree, 70% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Germany who have used Fastify in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Germany who have used Fastify in their recent projects are German (100%), English (100%), and Spanish (27%).
The most common industries among freelancers in Germany who have used Fastify in their recent projects are Information Technology (100%), Education (55%), and Professional Services (36%).
The most common business areas among freelancers in Germany who have used Fastify in their recent projects are Information Technology (100%), Product Development (100%), and Business Intelligence (64%).
Main locations of FRATCH Experts, who have recently used Fastify
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.
Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
