NestJS Experts in Berlin
, vetted and available through fast, precise AI matchingHire experts who design modular APIs, event-driven services and production-ready TypeScript backends with NestJS, while connecting the framework to databases, cloud services and testing workflows. Get matched quickly with precise, vetted and available freelancers.
Meet FRATCH Experts in Berlin, who have recently used NestJS
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.
Nune I.
Last position:
Fractional CTO at OpsWorker
OpsWorker turns Kubernetes alerts into root-cause analyses, on top of the monitoring a team already runs. I lead the technical side: the agent architecture, the AWS infrastructure it runs on (fully inside EU regions), and the engineering decisions behind it, read-only in the cluster by default, human in the loop for judgment. The stack underneath: Amazon Bedrock and Bedrock AgentCore, agents built with the Strands Agents SDK, the Claude and OpenAI APIs, and the Kubernetes API.
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.
Oleg A.
Last position:
Staff Software Engineer at Kpler Germany GmbH
- Delivered a new notifications platform implementation built from scratch to replace existing and upcoming services
- Collaborating with other teams to integrate more domains
Tech stack:
- Data: Scala 3, Apache Kafka, Python, Airflow, Astronomer
- BE-FE: TypeScript, NestJS, Java, Spring Boot, Vue
- Dev-ops: AWS, PostgreSQL, Docker, GitHub Actions, Kubernetes, Helm, ArgoCD
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
Gregor D.
Last position:
Founder, Principal Software Architect & Technical Consultant at Hold My Code GmbH
- Frontend modernization (multiple client engagements): Angular version upgrades, architecture refactoring, performance optimization, state management restructuring, and UI library consolidation resulting in faster load times and improved end-user experience across all projects.
- Web development: High-performance landing pages and company websites for SMB clients built with Next.js, SvelteKit, PayloadCMS, and TailwindCSS optimized for speed, SEO, and conversion.
- SaaS product development: Architecting and building an AI-powered platform for photography studio operators (PoC phase) with full-stack TypeScript: Angular frontend, NestJS backend, PostgreSQL, LLM integration (Gemini/Claude) for intelligent workflow automation.
- AI integration: Developed a PoC for AI-generated podcast avatars using the Gemini API for content production workflows.
- Angular deep dive workshops: Delivered 20+ workshops (3–5 days each, 8–10 participants) in a hands-on format where participants build a demo application modeled after their real business domain.
Recep C.
Last position:
Sr. Software Engineer at Endava
- Designed and deployed scalable REST APIs for enterprise clients
- Led migration of legacy systems to modern maintainable system, reducing deployment time and enabling daily deployments
- Mentored junior developers and collaborated cross-functionally to align technical roadmaps with business goals, improving team velocity by 50%.
- Tech Stack: PHP (Symfony), Golang, PostgreSQL, MySQL, GCP, Terraform, Kubernetes
Muhammad A.
Last position:
Senior Software Engineer at Verbund Pflegehilfe
Own Azure-hosted ASP.NET Core microservices for chronic-care workflows, sustaining 99.8% uptime across 3,000+ patient interactions.
Shape HL7 FHIR-based patient, encounter, and observation profiles delivering a unified source of truth for clinical teams and integrations.
Implement SignalR telemetry, Application Insights alerting, and automated pipelines that surface deteriorating vitals in under three seconds.
Automated consultant outreach by orchestrating Twilio voice campaigns via n8n workflows and VAPI AI assistants, boosting successful client contacts by 55%.
Entlass Manager: Led the end-to-end build of the chronic-care coordination platform, standing up Azure-native microservices, clinical data flows, and patient-facing tooling from initial requirements through production release.
Power Dialer: Built the Twilio-driven consultancy auto-dialer and n8n workflows, raising client reachability to 85%.
Adrian C.
Last position:
Senior Consultant at DB Systel GmbH
- Spearheaded the development of MLOps and crafted MLOps strategies
- Guided market exploration efforts regarding MLOps
- Managed requirements
Kim K.
Last position:
Lead Fullstack Node/React Developer at Rytle
- Development of React.js / Next.js web application, displaying live sensor data and optimized routes on interactive maps.
- Architected and managed Node.js backend services in Docker containers integrated with Kafka, responsible for order management and routing.
- Guided and supported junior developers in their professional growth as team lead developer.
- Technologies: node.js, React, TypeScript, Postgres, Docker, Kafka, Github CI, ArgoCD
Luca D.
Last position:
CTO & Co-Founder at Lucent Data GmbH
- Built a warehouse native customer data platform from scratch
- Successfully onboarded the first customer
- Built the first engineering team of 3 engineers
- Raised 1M€ in venture capital
Discover over 15,000 top freelancers
Statistics of experts using NestJS
Aggregated from the professional profiles of matched freelancers.
Experience
12 years (Germany: 16 years)
Position duration
2 years
Positions per freelancer
8 (Germany: 11)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Media and Entertainment, Retail
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 86%)
Master's degree or higher
30% (Germany: 38%)
Doctorate
10% (Germany: 8%)
Certifications per freelancer
2
Most common languages
English, German, Russian
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology 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 of experts in Berlin using NestJS
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
NestJS 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 (45%)
- Retail (45%)
- Energy (36%)
- Banking and Finance (36%)
- Professional Services (36%)
- Education (27%)
- Healthcare (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What NestJS does
NestJS is a TypeScript framework for building structured server-side applications on Node.js. It combines modules, controllers, providers and decorators with the flexibility of the JavaScript ecosystem. Teams use it for REST APIs, GraphQL services, microservices and backend systems that need clear boundaries as they grow.
Core architecture
NestJS organizes application logic through modules and dependency injection. Controllers handle incoming requests, providers contain business logic, and guards, pipes, interceptors and middleware manage cross-cutting concerns. This structure makes large codebases easier to test, extend and maintain without giving up Node.js performance.
Ecosystem and tooling
Strong NestJS specialists work across the framework’s integrations and the surrounding TypeScript stack.
- Design REST and GraphQL APIs with validation, serialization and documentation
- Connect PostgreSQL, MongoDB, Redis, message brokers and external services
- Apply Jest testing, ESLint, automated builds and container-based development
- Use WebSockets, Bull, Passport and OpenAPI where the product requires them
Where companies use it
NestJS supports customer portals, SaaS products, internal platforms, payment services and real-time applications. It also fits distributed systems that communicate through Kafka, RabbitMQ or other transport layers. Berlin companies often use it in product teams that need TypeScript across both frontend and backend, whether collaboration is on-site, hybrid or remote.
When freelance expertise helps
Companies bring in freelance professionals when a new backend needs a dependable foundation or an existing service has become difficult to change. Typical needs include API design, modularization, authentication, performance work, migration from Express or a custom Node.js structure, and preparation for production operations.
- Establish architecture and coding conventions
- Break a monolith into maintainable modules or services
- Improve test coverage, observability and deployment readiness
What strong specialists bring
A capable NestJS professional understands more than decorators and generated modules. They connect framework choices to domain boundaries, database behavior, security, failure handling and operational needs. Look for clear API contracts, focused modules, meaningful tests, careful error handling and experience explaining trade-offs to product and infrastructure teams. Familiarity with Express, Fastify, TypeScript and Node.js helps them choose the right NestJS patterns instead of applying them mechanically.
Frequently asked questions
What clients ask us most about NestJS — answered in short.
NestJS is used to build server-side applications with Node.js and TypeScript. Companies use it for REST and GraphQL APIs, authentication services, event-driven systems, real-time features and modular backends for SaaS products.
NestJS provides an application architecture with modules, dependency injection and conventions, while Express and Fastify are lighter web frameworks. NestJS can use either Express or Fastify underneath, so the choice depends on whether the project values built-in structure, ecosystem compatibility or minimal overhead.
A strong NestJS specialist should also understand TypeScript, Node.js, SQL or NoSQL databases, API security and automated testing. Experience with Docker, cloud deployment, message brokers, OpenAPI and observability is useful for production systems.
The required level depends on the system’s complexity rather than the framework alone. A small API may need focused NestJS implementation skills, while a distributed platform calls for experience with architecture, data consistency, security, testing and operations.
NestJS projects are well suited to remote and hybrid work because contracts, modules and tests can be reviewed asynchronously. Teams should agree on API documentation, branching practices, code review standards and communication routines; German or English may be needed depending on the wider team.
Review how the specialist separates modules, handles errors and validates input rather than focusing only on delivered endpoints. Ask for examples of testing strategy, API documentation, security decisions, monitoring and how they managed changes in a real NestJS codebase.
NestJS supports microservices through transporters for patterns such as TCP, Redis, NATS, MQTT and message-based brokers. It can provide useful shared structure, but a specialist should first confirm that service boundaries, deployment needs and operational maturity justify a distributed design.
Choose NestJS when a TypeScript team needs a consistent structure for a growing Node.js backend. It is especially useful when several specialists must work across modules, integrations and tests; a smaller service with minimal requirements may be simpler with Express or Fastify alone.
The average hourly rate of freelancers in Berlin, Germany who have used NestJS in their recent projects is 87 €, which corresponds to a daily rate of about 695 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used NestJS in their recent projects, 100% hold at least a Bachelor's degree, 30% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Berlin, Germany who have used NestJS in their recent projects have 12 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Berlin, Germany who have used NestJS in their recent projects are English (100%), German (91%), and Russian (27%).
The most common industries among freelancers in Berlin, Germany who have used NestJS in their recent projects are Information Technology (100%), Media and Entertainment (45%), and Retail (45%).
The most common business areas among freelancers in Berlin, Germany who have used NestJS in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (64%).
Main locations of FRATCH Experts, who have recently used NestJS
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 
Munich Request a free demo
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Philipp Thomaschewski
FRATCH CEO
