NATS Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used NATS
Max D.
Last position:
Senior Fullstack Engineer at Spiri.Bo GmbH
- Assumed responsibility for backend architecture and technical strategy, planning and leading the platform's evolution in close collaboration with the CTO
- Simultaneously drove the development of new features for the housing and tenant management platform, balancing high-level architectural design with hands-on implementation
- Utilized AI-assisted workflows (with tools such as Claude Code, Codex, Cursor) and worked on AI-based features (with tools such as N8N, Mastra, ElevenLabs)
Technologies: Node.js, TypeScript, React.js, Next.js, PostgreSQL, Google Cloud, Docker, Kubernetes
Stephan G.
Last position:
Senior Backend Software Developer at Mercedes-Benz Tech Innovations
- Further development and operation of a central backend service for providing vehicle inventory for international Mercedes-Benz online shops
- Further development of a reservation service for vehicles as part of the checkout process
- Design and implementation of a highly scalable end-to-end test architecture with a focus on maintainability, reusability, and a high number of automated test cases
- Development of a multi-layer test infrastructure with a strict separation of test logic and access layers
- Development of an initialization and caching architecture to significantly speed up local and CI/CD-based test runs
- Development of an AI-supported review architecture for automated evaluation and quality assurance of end-to-end tests
- Development of a dashboard for consolidated display of a vehicle context across multiple backend systems, including AI-generated summaries and compact case analyses
- Integration and further development of connections to various reservation systems via Apache Kafka and REST
- Design of new microservices and support with architecture decisions
- Risk analysis and design of microservice migrations
- Technologies: Java, Spring, Spring Boot, Gradle, Maven, Apache Kafka, REST, OpenAPI, Swagger, Github, Confluence, CI/CD, Microservices, AI, LLMs
Eduard D.
Last position:
Guest Lecturer at Politehnica University Bucharest
"Reasoning Models: From LLM Foundations to NOC Automation."
Benjamin M.
Last position:
Founder, system architect, and main developer at Institute for Artificial Study (IAS)
- Expert-supervised AI systems for scientific reasoning, model evaluation, and research workflows.
- Built the IAS Problem Solver, an orchestrated system for difficult mathematical reasoning; it achieved 84% in one submitted answer set on the Leipzig mathematics benchmark.
- Built a resumable state-machine pipeline for research-grade mathematics benchmark generation: source selection, LLM-agent-based phenomenon discovery, task synthesis, gold-answer and certificate generation and validation, probing, repair, human feedback, and quality gates, targeting tasks that are difficult, natural, verifiable, and cost-effective.
- Current work extends this into budget-aware AI research workflows for real scientific problems with expert review.
Tech stack: Python, OpenAI/OpenRouter-compatible APIs, embeddings, RAG, SQLite.
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
Alexander S.
Last position:
AI Consultant for AI Voice Bot System at Rudolf Hörmann GmbH & Co.KG
- Consultant for system architecture, AI agents & integration, coach for data & process logic, Graph-RAG approaches, security and data protection.
- On-premise AI solutions with high compliance and performance requirements.
- Architecture decisions, operational setup, strategic prioritization & deployment.
- Technologies: LiveKit JS SDK, LiveKit Agents, Web Audio API, JS, AudioWorklet, Loki, vLLM, Zscaler, Docker, Neo4j, MySQL, Python.
- Models: GPT-OSS 20B, Whisper large v3 turbo, Qwen3-TTS.
Thomas J.
Last position:
Backend Developer, DevOps Engineer at AXA Digital Experience
- Further development, modularization, and technical modernization of the My AXA customer portal using Scrum.
- Connection of new REST APIs to expand the digital product and service portfolio.
- Splitting a monolithic application into clearly defined business responsibilities.
- Continuous refactoring of complex code parts to improve maintainability.
- Supporting other teams with interface design and introducing WireMock for integration tests.
- Standardizing caching and resilience by introducing Spring Cache and Resilience4J.
- Cleaning up request validation according to JSR-170 and developing a simulation process.
- Further development of the code generator to transform OpenAPI contracts into client libraries.
- Development of dashboards and log file analyses using Loki and Grafana Cloud.
- Monitoring and reporting of production and QA systems.
- Tech stack: Java 21, Spring Boot 3, REST, Resilience4J, Docker, OpenAPI, Grafana Cloud, Jenkins, Tekton, OpenShift, AWS, GitLab.
Tobias N.
Last position:
Enterprise & Solutions Architect
- Building an independent enterprise IT setup — cloud strategy, network, AWS landing zone, security requirements, contract negotiations.
- Migration of all applications; avoiding high contractual penalties for the client.
- Onboarding and coordination o...
Timo K.
Last position:
Senior Fullstack Developer
- Lead Developer / Tech Lead in a large banking group for a complete redevelopment of payment systems
- Rebuilding payment processing in stream processing
- Development and design of cross-border payment stream processing based on Kafka and Kafka Streams
- Development of different input formats for the business team using Drools rules to dynamically adjust validation rules
- Evaluation and comparison of different public cloud providers regarding the databases they offer
- Technologies & Tools: Java 21, Kotlin, Spring Boot, Kafka, Kubernetes, Azure, TDD, JEE, REST, Angular, Spark, Google Cloud, SCDF, PostgreSQL, Drools, Git, S3, MongoDB
Werner K.
Last position:
Test Coordinator, Designer and Engineer at IBM
- Testing the SekIDP and related components
- Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript
Michal B.
Last position:
Senior Golang Engineer at STACKIT / Schwarz Gruppe
- Responsible for software engineering and DevOps in the Data & AI Platform - Intake and PubSub projects at STACKIT, the cloud provider of the Schwarz Group.
- Technologies: Golang, Kubernetes, Kubernetes operators, OpenAPI v3, REST API, Azure DevOps, CI/CD, k6, Kafka, Strimzi, Apache Iceberg, RBAC, IAM, Terraform, Helm, Infrastructure automation, Load balancing, Traefik, ArgoCD, kuttl, Kyverno chainsaw, Kustomize, Velero, Prometheus, Grafana, Checkly / Playwright (TypeScript), NATS/Jetstream, WebSockets, gRPC, SSE
Andreas V.
Last position:
Senior Software Developer, Architect at ifm Solutions GmbH
- IoT platform to connect, transform and get actionable results
- Built a microservice observability solution to improve insights for developers and operations teams
- Made advanced performance optimizations in .NET code, databases and time series
- Provided architectural advice to developer teams on performance, scalability, reliability and code quality
- Evaluated and built PoCs for new technologies, including time series databases and messaging platforms
- Technologies: C#/F#/Rust, InfluxDB, ClickHouse, Prometheus, Grafana, k6, RabbitMQ, EMQX, Docker, Kubernetes, Azure AKS
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
Peter T.
Last position:
Freelance Go Developer/DevOps Engineer at IONOS SE
- Developed an API for customers to provide NFS shares in the cloud
- Created Kubernetes operators and services with REST APIs in Go
- Used LinuxKit to provision VMs
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
Discover over 15,000 top freelancers
Statistics of experts using NATS
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
1.9 years
Positions per freelancer
17
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Information Technology, Human Resources, Operations
Bachelor's degree or higher
86%
Master's degree or higher
71%
Doctorate
14%
Certifications per freelancer
1
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 NATS
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.
NATS 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%)
- Banking and Finance (61%)
- Manufacturing (56%)
- Retail (56%)
- Automotive (50%)
- Professional Services (50%)
- Media and Entertainment (44%)
- Transportation (39%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Messaging foundation
NATS is a lightweight, open-source messaging system for connecting services, applications and devices. Its publish-subscribe model supports event distribution, while request-reply enables direct service communication. NATS is often chosen when low overhead, simple operations and resilient connectivity matter.
JetStream capabilities
JetStream adds persistence, replay, acknowledgements and delivery policies to the core NATS protocol. It supports durable event streams, work queues and consumers that can resume after interruptions. Strong specialists design subjects, retention rules and consumer behaviour around the business workflow.
Ecosystem and tooling
NATS specialists work across the NATS Server, JetStream and client libraries for Go, Java, JavaScript, Python, Rust and other languages. Their work can include:
- Subject hierarchies and request-reply contracts
- Stream, consumer and retention configuration
- Authentication, authorization and TLS
- Monitoring with metrics, logs and tracing
Where companies use it
NATS appears in microservice platforms, edge applications, IoT systems, financial workflows and internal event backbones. In Germany, teams may use it across manufacturing, logistics, automotive and software operations where services must exchange events without tight coupling. It can support cloud, on-premises and hybrid deployments.
When freelance expertise helps
Companies often bring in a freelancer when they are replacing brittle point-to-point integrations, introducing event-driven architecture or extending a NATS deployment with JetStream. They may also need help with:
- Migrating message flows from another broker
- Defining reliable delivery and failure handling
- Connecting NATS to Kubernetes and service discovery
- Diagnosing latency, ordering or reconnection issues
What strong specialists deliver
Strong NATS professionals understand messaging semantics, not only configuration. They make delivery guarantees explicit, design idempotent consumers and protect subjects with clear permissions. They also test failure scenarios, document operational runbooks and explain trade-offs between core NATS, JetStream and alternatives such as Kafka or RabbitMQ.
Frequently asked questions
Key details about NATS, drawn from the questions we get asked most.
NATS is used to exchange messages between services, applications, devices and operational components. Teams use it for publish-subscribe events, request-reply calls, work queues and persistent event streams through JetStream.
NATS is typically valued for its small operational footprint, low overhead and straightforward subject-based messaging. Kafka is often selected for large retained event logs and extensive stream processing, while RabbitMQ provides mature queueing and routing features; the right choice depends on retention, throughput, ordering and operations.
A strong NATS specialist should understand distributed systems, messaging patterns and failure handling. Useful adjacent skills include Kubernetes, cloud networking, TLS, observability, Go or another supported client language, and integration with databases or event-processing services.
The required depth depends on the scope. A small request-reply integration may need focused client and subject design, while a production JetStream rollout calls for expertise in persistence, consumer recovery, security, monitoring and operational testing.
NATS is well suited to remote delivery because configuration, client code, tests and observability can be reviewed in shared repositories and environments. For teams in Germany, agree early on working hours, documentation standards and whether German-language communication is needed alongside technical English.
A NATS design can be a better fit when several services need the same event, when producers and consumers should evolve independently, or when intermittent connectivity must be handled. A direct API remains simpler for synchronous queries with one clear caller and one immediate response.
Ask the specialist to explain subject design, delivery semantics, replay, consumer recovery and access control in concrete terms. Good answers include failure tests, idempotency, monitoring and a clear distinction between core NATS and JetStream rather than relying on configuration alone.
Before working with NATS, clarify whether messages are transient or persistent, which ordering and delivery guarantees are required, and how failures are recovered. Also confirm the deployment model, client languages, security boundaries, observability stack and the team’s ownership of production operations.
The average hourly rate of freelancers in Germany who have used NATS in their recent projects is 100 €, which corresponds to a daily rate of about 797 € based on an 8-hour working day.
Of the freelancers in Germany who have used NATS in their recent projects, 86% hold at least a Bachelor's degree, 71% hold at least a Master's degree, and 14% hold a doctorate.
On average, freelancers in Germany who have used NATS in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Germany who have used NATS in their recent projects are German (100%), English (100%), and Spanish (22%).
The most common industries among freelancers in Germany who have used NATS in their recent projects are Information Technology (100%), Banking and Finance (61%), and Manufacturing (56%).
The most common business areas among freelancers in Germany who have used NATS in their recent projects are Information Technology (100%), Product Development (94%), and Project Management (61%).
Main locations of FRATCH Experts, who have recently used NATS
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 Request a free demo
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Philipp Thomaschewski
FRATCH CEO
