NestJS Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used NestJS
Collin Kempkes
Last position:
Lead Fullstack Developer at Freelance
- Development of cloud native applications to provide a multi-vendor marketplace for different digital assets (e.g. NFTs)
- Design and operation of a microservice architecture using Nest.js, MySQL, Redis, Hasura, Algolia, Docker and Serverless
- Design and operation of a streaming data architecture using Kafka (with JSON Schemas)
- Creation of CI/CD pipelines with GitHub Actions for automated deployment of applications
- Testing and evaluating new technologies for more stable, faster, safer and more sustainable application development
- Building the full infrastructure with Terraform in AWS
- Integration of Stripe to handle international payments
- Use of Algolia for real-time search of digital assets on the platform
- Presenting results to stakeholders and running internal meetups
- Federation of services with GraphQL and Hasura
- Discussions about architecture decisions in the IT landscape and their impact
- Use of message queues for app-internal communication and component encapsulation
- Advising internal staff on the implementation of business and technical requirements
- Test Driven Development: unit, integration and E2E testing using JUnit
- Use of Next.js/React with SASS/SCSS for frontend applications
- Use of Vue.js with SASS/SCSS for frontend applications
- Integration of security-related mechanisms (JWT tokens with Auth0, OAuth, OIDC, IP guards, BOLA, secret vaults)
- Creation of microfrontends using Retool for fast prototyping and testing of functionality
- Use of nx monorepo with nrwl
Tamás Eppel
Last position:
Senior Software Developer / Tech Lead at NDA (defense / OSINT)
- Designing the audit logging framework
- Implementing APIs for developers to integrate in their codebase
- Implementing ingestion pipeline, database query layer and UI for browsing the audit events
- Improving stability and reliability of the backend system
Wadim Lupejcenko
Last position:
Fullstack Developer at dripwear.app
Development of an iOS app for virtual try-on and outfit suggestions
The goal of the project is to develop a mobile application for personalized, photorealistic outfit suggestions. Users should be able to upload their own photos, try on clothes virtually, and find products that can be bought directly in the generated suggestions.
- Planning and implementation of the onboarding and photo upload in the iOS app
- Development of the mobile application with Expo and React Native
- Implementation of a Hono/Node.js backend for user, product, and generation processes
- Building an asynchronous processing pipeline with BullMQ and Redis
- Connection of PostgreSQL/pgvector and S3 for product, image, and generation data
- Integration of Gemini and OpenAI for outfit generation and image processing
- Implementation of a credit system and integration of RevenueCat
- Integration of Stripe Connect and affiliate product feeds for products that can be bought directly
Label: TypeScript, React Native, Expo, Hono, Node.js, PostgreSQL/pgvector, BullMQ, Redis, S3, Gemini, OpenAI, RevenueCat, Stripe Connect, Docker
Manuel Kübler
Last position:
.NET Developer, SAP Business One Consultant at Own Projects
- DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
- E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.
Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#
Markus Sterner
Last position:
Lead Developer at Endress+Hauser SICK GmbH+Co. KG
Lead developer of the frontend and backend systems for a web-based pre-sales tool. It is used by sales staff and engineers to configure and calculate complex measurement systems for industrial customers. Core features include a collaboration platform, a product configurator, physical feasibility checks, and a PDF generator.
TypeScript · Node.js · Nest.js · Angular · REST · MongoDB · Playwright
Aruldass Arulanandu
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.
Oleg Abrazhaev
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
Srinivasu Kakaraparti
Last position:
Atruvia
Project: Tax Exemption Order Application
The client has an existing application for creating and maintaining tax exemption orders for end customers; design and implementation of a comparable application for internal employees.
- Design and implementation of microservices and the UI for the business area "tax exemption orders" using Domain Driven Design as well as Spring Boot and Angular.
- Implementation of reactive, non-reactive, and asynchronous APIs (Spring REST, WebFlux, GraphQL).
- Development of the Angular application, including state management using Signals, RxJS Observables, and subscriptions.
- Securing the API and the application using OAuth2, JWT, and OpenID Connect.
- Configuration and setup of CI/CD pipelines with Jenkins.
- Collaboration with cross-functional teams and conducting code reviews.
Environment: Java, Spring Boot, Angular 18 & 19 (standalone, signals), RxJs, Bootstrap CSS, Vitesting, OpenShift, Istio, microservices, Kafka, Dynatrace, Jenkins, GitLab, Graylog, Sonar, Oauth2, OracleDB
Oliver Kirst
Last position:
Founder & AI Automation Architect at Zerobits
Zerobits is my vehicle for AI-powered automation and custom software development with a clear principle: AI solutions that reach production, not pilot stage. I design and build the systems myself - from first concept and architecture through implementation to deployment and operations.
My focus is on replacing repetitive, manual work with reliable automation and connecting disconnected tools and data sources into one dependable overall system.
Selected work:
- Design and implementation of LLM-based agent systems and RAG pipelines (Anthropic Claude, Mistral, MongoDB Atlas Vector Search + RAG)
- Workflow orchestration for long-running, fault-tolerant business processes using Temporal (temporal.io): saga patterns, event-driven architecture, retry and compensation logic, connecting third-party APIs and internal services into automated end-to-end processes
- Full stack product development: SaaS architecture on Kubernetes, TypeScript/React/NestJS, admin tooling with refine.dev and MUI
- AI-assisted development workflow as standard practice to deliver production software at a fraction of traditional timelines
- Full stack product development: multi-tenant SaaS architecture running on Kubernetes, backend with NestJS/Node.js and Python, frontend with TypeScript, React and Next.js, admin tooling with refine.dev and MUI, CI/CD with GitHub Actions
One of these projects is a product I own and operate - free of any NDA restrictions. I'm happy to demonstrate it end to end.
Safey Haroun
Last position:
Co-Founder/Managing Partner & Chief Architect at Prinkipia GmbH
- Co-founded Prinkipia and led the growth of the team
- Defined and developed the company’s strategic direction
- Provided leadership to engineering teams across projects as chief software architect
- Drove technical vision and decision-making to ensure high-quality engineering outcomes
- Built the company culture and laid the foundation for engineering principles and best practices
- Led engineering leadership and software architecture of Prinkipia's flagship Agentic AI product
Johannes Homeier
Last position:
Product Engineer at Freelancer
- Senior engineering across multiple concurrent client projects.
- Built a mail client and offer wizard for a B2B parcel-delivery companies CRM.
- Built a custom web-component for distributing construction-material catalogs to dealer networks.
- Pair hands-on engineering with active architecture and product feedback.
Ron Speckmann
Last position:
AI System Architect & Developer at ConteQ AI
- Development of a SaaS application for automated claims handling with AI agents (LLM) as the primary development team
- Design & testing of efficient and secure context management setups in the development process (including multi-sub-agent use, memory systems, caching)
- Definition and implementation of LLMOps pipelines with Azure AI Foundry for AI agents in customer contact (including versioning, logging, audit trail, security tests)
- Infrastructure provisioning via IaC (Bicep), application configuration via GitOps-based CI/CD pipelines (rules engine, workflow engine)
- Development of integrated security architecture designs between AI-based & classic applications with a special focus on regulatory requirements
- Integration of workflow and rules engine in a NestJS service architecture — for automated, rule-based control of claims processes
- Probabilistic extraction and preparation of claims data as the basis for rule-based, deterministic decision logic — traceable, auditable, and regulatorily compliant
Andreas Anding
Last position:
AI Consultant & Digital Architect at TeamIntel
- Governed multi-agent orchestration for regulated, EU-based companies – self-hostable, compliant with the EU AI Act and GDPR („by design“), BYOM (own models/GPU).
- Two-gate governance: agent deliberation + mandatory human approval, full signed audit trail; graduated autonomy model („internal → autonomous per skill“).
- Verified knowledge graph („Company Brain“) with source evidence for every answer; own orchestration framework (Virtual Team Framework).
- Industry solutions for financial services: compliance monitoring, invoice and contract review; hands-on development with LLMs (including Anthropic/Claude), agentic workflows, RAG.
- Building the governance-focused multi-agent platform TeamIntel (see AI reference projects).
Nune Isabekyan
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.
German Rauhut
Last position:
Freelance Technical Product Owner & AI Product Builder at Neckarshore AI / Freelance
Two complementary tracks: (a) building my own AI products and open-source tools under the Neckarshore AI brand, with a focus on AI-supported multi-agent development processes and documentation automation; (b) freelance support for industrial, logistics, and financial companies in IT-related transformation projects.
Current product portfolio under the Neckarshore AI brand:
- Omnopsis Documenter — AI-powered documentation engine: generates compliance, technical, and release documentation from Git, Jira, and Confluence. 500+ automated tests, 100+ API endpoints, RBAC, monitoring stack.
- TrustScope — trust analysis for public GitHub repos: deterministic three-pillar report (Security & Supply Chain, Governance, Community) based on OpenSSF Scorecard, with constructive fix suggestions instead of a single misleading score.
- md-viewer — dependency-free Markdown viewer for macOS (Finder Quick Action) and web, split view of rendered document and raw text.
- Obsidian Vault Autopilot — AI-supported vault automation for Obsidian × Claude Code: sorts the inbox, renames notes, enriches frontmatter.
- Phonesis Voice Bank — voice archive for families, hospices, and cultural archives (guided recordings, inheritable archive, optional voice cloning); currently in the GDPR compliance phase (Art. 9, biometric data).
- Multi-Agent Development Process — 12+ specialized agents (architecture, implementation, security, refactoring, marketing) with structured handoff protocol, parallel execution, and automated quality assurance — powers the entire product development.
- Freelance consulting: Technical Product Ownership for production, logistics, and compliance/AML systems; steering international rollouts including test, cutover, and change management.
Stack: NestJS, TypeScript, PostgreSQL, Redis/BullMQ, Next.js, Claude Code (Opus), Docker, GitHub Actions, Vercel
Discover over 15,000 top freelancers
Statistics of experts using NestJS
Aggregated from the professional profiles of matched freelancers.
Experience
16 years
Position duration
2 years
Positions per freelancer
11
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Retail, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
85%
Master's degree or higher
36%
Doctorate
8%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany 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 Germany 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What NestJS is
NestJS is a TypeScript framework for building server-side applications with a clean module structure. It is often chosen for APIs, microservices, and backend systems that need clear boundaries and predictable code. Teams use it when they want Node.js speed with a more structured architecture.
Typical use cases
- REST and GraphQL APIs
- Microservices with message brokers
- Backend layers for web and mobile products
- Internal tools and B2B services
- Real-time features with WebSockets
Strong specialists know where NestJS fits best and where a lighter setup is enough. They can shape services around business domains instead of growing a codebase into a tangle.
Ecosystem and tools
NestJS works closely with Express or Fastify, depending on the project needs. Common work also includes TypeORM, Prisma, class-validator, Swagger, Jest, and Docker. Good experts choose the right pieces for the app instead of forcing every project into the same stack.
Why companies bring in help
Companies usually look for freelance NestJS expertise when a backend needs to start fast, be refactored, or connect to several systems. This is common in product teams, B2B software, and platform work in Germany, where clean APIs and stable integrations matter. Freelancers help when the internal team needs extra capacity or a fresh architectural view.
What strong NestJS experts do
They design modules, controllers, services, and dependency injection in a way that stays maintainable. They also work on validation, authentication, testing, error handling, and API documentation. Strong experts think about observability, deployment, and how the service will change over time.
Hiring for the right fit
Look for people who have shipped real NestJS applications, not just demo projects. They should understand TypeScript well, know how to work with databases and queues, and communicate clearly with product and backend teams. For remote work in Germany, English is often enough; for on-site collaboration, German can help in day-to-day coordination.
Frequently asked questions
Need clarity? These are the questions we hear most often about NestJS.
NestJS is used to build server-side applications in TypeScript, especially APIs, microservices, and backend systems with clear structure. It fits products that need modular code, validation, authentication, and documentation. Teams also use it for internal tools, B2B services, and real-time features.
NestJS sits on top of Express or Fastify and adds structure, dependency injection, and a strong module model. Express is lighter and more flexible, while Fastify is optimized for speed and low overhead. NestJS is often the better fit when the team wants consistency and a larger codebase that stays organized.
NestJS is not the same as Node.js. Node.js is the runtime, while NestJS is a framework built for server-side work on top of it, usually with TypeScript. A good freelancer should understand both the runtime and the framework conventions.
A strong NestJS specialist usually knows TypeScript, API design, testing, and database access. Useful adjacent skills include PostgreSQL, MongoDB, Prisma, TypeORM, Redis, Docker, and message queues. For larger systems, experience with authentication, observability, and microservices is valuable too.
A NestJS project needs experienced help when the backend is business-critical, when several services must integrate cleanly, or when the codebase has grown hard to maintain. Freelancers are also useful for greenfield builds, architecture fixes, and delivery peaks. If the team is new to the framework, outside support can prevent avoidable design mistakes.
Yes, NestJS experts often work remotely with teams in Germany without issues. Many backend tasks can be handled through shared code, tickets, and clear API contracts. On-site work can still help during discovery, workshops, or when stakeholders want close coordination.
A strong NestJS expert can explain design choices, not just write code. Look for clean module boundaries, sensible validation, tests, API docs, and good error handling. It also helps if they can talk through trade-offs between Express, Fastify, and other backend options.
NestJS can be a solid choice for microservices when the team wants clear service boundaries and shared conventions. It supports common patterns for messaging, transport layers, and modular design. The key is to keep services focused and avoid turning the framework into a rigid checklist.
The average hourly rate of freelancers in Germany who have used NestJS in their recent projects is 93 €, which corresponds to a daily rate of about 745 € based on an 8-hour working day.
Of the freelancers in Germany who have used NestJS in their recent projects, 85% hold at least a Bachelor's degree, 36% hold at least a Master's degree, and 8% hold a doctorate.
On average, freelancers in Germany who have used NestJS in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Germany who have used NestJS in their recent projects are German (96%), English (96%), and Spanish (8%).
The most common industries among freelancers in Germany who have used NestJS in their recent projects are Information Technology (99%), Retail (48%), and Banking and Finance (45%).
The most common business areas among freelancers in Germany who have used NestJS in their recent projects are Information Technology (99%), Product Development (99%), and Quality Assurance (49%).
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.
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Philipp Thomaschewski
FRATCH CEO
