API Gateway Experts in Munich
in minutes from over 15,000 CVs with the power of AI.Hire experts who design gateway routing, authentication, throttling, and API versioning across cloud and hybrid systems. They also handle policy setup, observability, and service-to-service traffic so your teams can move faster with vetted, available freelancers.
Meet FRATCH Experts in Munich, who have recently used API Gateway
Thomas Hoefkens
Last position:
Senior MLOps, DevOps Engineer at Trianel Energy
- Build and operate an end-to-end MLOps platform on Azure ML and Kubernetes (Kubeflow) for the automated deployment, monitoring, and scaling of forecasting models (including Temporal Fusion Transformer, Informer, Autoformer).
- Implement CI/CD pipelines in Azure DevOps for the full ML lifecycle – from resource provisioning (Terraform), data transformation (Hugging Face Datasets, Pandas, PyTorch, CUDA cluster) through training and evaluation to model registry and endpoint deployment.
- Integrate MLflow for experiment tracking, model versioning, performance monitoring, and automated registration in the Azure Model Registry.
- Develop and containerize PyTorch training jobs (Azure Notebook, Jupyter Notebooks) for price and time series forecasting (PFC models) with automatic rollout via Azure ML Endpoints and REST/gRPC interfaces, Docker containerization, secured with OAuth 2.0.
- Set up monitoring and alerting mechanisms (Prometheus, MLflow Metrics), log centralization, and cost monitoring.
- Automate infrastructure provisioning and model deployment using Terraform, Helm, and Azure CLI; connect to existing market data systems and event pipelines.
- Migrate existing workloads and databases (IONOS → Azure, MongoDB) with integration into central MLOps workflows and internal networks.
- Extend the platform with LLM-based tools (LangChain, LangServe) to integrate GPT-based analysis modules into existing Spring Boot services for market anomaly detection and automated reports.
- Analyze and architect a software solution to process large volumes of data efficiently (>3000 messages/sec.) (market data store).
- Spring Boot / Java 21 container development with RabbitMQ for distributing stock market data via MongoDB (Kubernetes) with fast storage of data in Redis RMaps, deduplication, forwarding messages to Read Model queues, and building Read Models for UI display in MongoDB.
- Integration of RESTHeart to create a REST API for MongoDB.
- Build an Angular frontend to simplify data queries and master data maintenance.
- Agentic coding with remote and local LLMs (Claude Sonnet, Ollama Qwen) and MCP servers.
- Develop Python scripts for transforming and cleaning incoming stock market data (Pandas, scikit-learn).
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
Siegfried-Thor Bolz
Last position:
AI Solutions Architect & Developer at E-Commerce
- Integrated LangChain middleware between AEM and SAP PIM system
- Developed a FastAPI interface for system communication
- Implemented vector embeddings for semantic product search
- Evaluated LLM models (Vertex AI/Gemini, LM Studio, Hugging Face, OpenAI) for product analysis
- Developed an AEM component to display product recommendations and integrated the recommendation API into the AEM authoring process
- Designed and implemented Pinecone vector database for product embeddings
- Optimized response times and caching strategies
- Evaluated Vertex AI Studio for LLM testing and prompt workflows
- Implemented secure API routing and access control for AI components via FastAPI and gateway validation
Roxana Girdu
Last position:
Freelance Senior Frontend Developer at RHI Magnesita
- Designed and developed a high-performance internal resource management platform using React and TypeScript, optimizing dynamic data rendering and state management.
- Built a React Native application to support mobile access to internal tools, enabling on-the-go project tracking for field teams.
- Developed custom 2D canvas-based visualizations using Pixi.js to simulate material flows and refractory layer behaviors.
- Integrated Pixi.js with React components for interactive diagrams and real-time UI updates.
- Developed interactive 3D visualizations using React.js for displaying refractory product layouts and simulations, supporting engineering and sales teams with dynamic product previews.
- Integrated Three.js within the React ecosystem to allow manipulation of 3D models in real-time via browser, enhancing user engagement and field configurability.
- Integrated a headless CMS to enable dynamic content updates by non-technical users, reducing content deployment time by 40%.
- Led AWS CloudFront optimization initiatives, improving portal load speeds by 30% globally.
- Actively collaborated with cross-functional Agile teams and product owners to deliver prioritized features with a fast feedback loop.
- Key Technologies: React.js, React Native, Three.js, TypeScript, Contentful CMS, AWS S3/Lambda/CloudFront, Cypress, Agile Scrum
Enis Spahi
Last position:
Software Developer at 50Hertz Transmission GmbH
- Participated in the gradual modernization of components into cloud-native 12-factor applications.
- Worked closely with the business operations team to eliminate manual processes and resolve several performance bottlenecks.
- Designed and implemented a CI/CD pipeline to increase developer productivity, enforce quality and security checks, and automate product delivery.
- Migrated several components into the OpenShift Kubernetes cluster.
- Built a monitoring stack from scratch with Prometheus and Grafana to monitor services running in OpenShift.
- Developed dashboards in both Grafana and Splunk for operational transparency.
- Implemented an OIDC/OAuth2-based single sign-on (SSO) solution with Keycloak to secure multiple applications.
- Technologies: Java, Spring, Quarkus, Kafka, MySQL, Cassandra, Redis, Spring Data, Hibernate, Docker, Kubernetes, OpenShift, Keycloak, OIDC, OAuth2, Helm, Prometheus, Grafana, Splunk, Spark.
Sascha Jürgens
Last position:
Agile Coach & Partner at Agisolve GmbH – Pragmatic Agility® | Edler & Stiegler GmbH | CTN Consulting
- Create a product and service portfolio delivering a 360 degree approach to digital corporate sustainability covering KPI management, CSRD reporting and sustainable strategy
- Create vision and business case
- Onboard and align business partners, negotiate contracts
- Set up partner network as self-organized agile team
- Co-develop product and service portfolio
- Coordinate sales and marketing, go-to-market strategy and roadmap
Stephan Sahm
Last position:
Senior Data/ML Consultant & Technical Lead at Jolin.io
Role: Software Engineer & Applied Mathematician (Mathematical optimization for scheduling; duration: 1 months; team setting: Team of 2, remote; technologies: JuMP, Julia, Pluto, Svelte, JavaScript, TypeScript, JetBrains Space, Terraform, Nomad)
Role: Software & Cloud & Web Engineer (Building scalable data science compute cluster from scratch; duration: 11 months; team setting: Team of 1, on-site; technologies: Terraform, Kubernetes, k8s ingress, k8s services, k8s RBAC, k8s networking, k3s, etcd, S3, DNS, certificates, Julia, Pluto, JavaScript, Tailwind, Astro, npm, Parcel, Preact, MUI, JWT, AWS SQS, AWS RDS, Python, GitLab, GitHub)
Role: AI & Web Engineer (Custom ChatGPT service; duration: 1 months; team setting: Team of 2, remote; technologies: Python, Poetry, LangChain, Tailwind, ChatGPT API, Flask, FastAPI)
Role: Architect & Data Engineer (Central datalake setup and ingestion; duration: 9 months; team setting: Team of 5, remote; technologies: Infrastructure-as-code, AWS CDK, Python, Boto3, PySpark, AWS Glue, IAM, S3, ECS, Fargate, Lambda, Apache Hudi, DeltaLake, Databricks, GitHub, Jira, Miro)
Role: Software Engineer (PoC Julia migration of scikit-decide; duration: 1 months; team setting: Team of 2, remote; technologies: Python, Julia, GitHub)
Alexandru Gunescu
Last position:
Head of Cloud Infrastructure at BP
- Migrated the Electric Vehicle Charging SaaS App of the EV Division from on-premises and Azure to AWS Cloud, resulting in a hybrid multi-cloud multi-tenant solution
- Developed a streaming data pipeline using AWS MSK for Apache Kafka and implemented an event-driven architecture to ingest and process near real-time data from OCPI-protocol IoT devices
- Implemented multi-tenant strategies including database schema isolation, bridge model for resource sharing, and tenant-based RBAC controls
- Provisioned Kubernetes clusters on AWS EKS with namespaces and RBAC for tenant isolation
- Led migration from on-premises and Azure to AWS using AWS DataSync, Snowball, and Database Migration Service
- Orchestrated collaboration across 5+ systems, vendors, service providers, and on-site teams
- Supported development and maintenance of IT strategy aligned with business requirements
- Managed €40 million infrastructure budget with AWS & Azure cost optimization, achieving 15% savings
- Led 50+ developers to implement advanced database procedures, increasing productivity by 20%
- Spearheaded multi-cloud, multi-tenant infrastructure migration for 30% faster processing times
- Negotiated vendor pricing to reduce payroll/benefits administration costs by 20%
- Developed a two-year infrastructure technology roadmap yielding 25% cost savings
- Tech stack: Kubernetes on AWS EKS, Docker, Kafka/AWS MSK, Terraform, AWS CDK, TypeScript, React, NextJS, Node.js, NestJS, Python, Aurora Serverless, RDS (MySQL, SQL Server), GitHub Actions, Azure DevOps, ArgoCD, AWS Lambda, API Gateway, AWS Security Hub, AWS Database Migration Service, AWS DataSync, AWS Organizations, AWS Control Tower, Odoo, Microsoft Navision, MS Dynamics
Rick Grassmann
Last position:
Interim IT Security Analyst at GLS IT Services GmbH
- Risk Management
- Incident Management
- Security Analysis
- Secure Coding
- Information Security Management System (ISMS)
Jiri Sostok
Last position:
Quality Manager/Test Management at Noriba GmbH
- Creation of test concepts
- Development of test processes
- Coordination of test case development: stress tests, functional tests, performance tests, high data rate tests, integration tests, etc.
- Hardware testing: FPGA, RF
- Test automation and regression testing
- Ensuring 24/7 operation of the test system
- Analysis & reporting
- Regular coordination of the test team, meetings with other stakeholders
- Communication and coordination with stakeholders and project managers
Fabian Kolbe
Last position:
Senior Sales Engineer at apinity - A MunichRE company
- Fully establishing and executing the sales engineering function including discovery, value proposition, demos, RFPs and proof of concepts for a leading SaaS API Marketplace and Management solution
- Achieved the technical wins and closed 11 deals in partnership with 4 AEs, generating an ARR of 1.8 million. Serving large and mid-sized insurance companies, banks, and consultancies. Main focus on DACH with accounts in the whole EMEA region
- Led solution sales for technically complex environments, integrating with API gateways and cloud technologies
- Collaborated closely with strategic partners, like Google Cloud Apigee, and facilitated the transfer of technical requirements to the Product Owner team
- Setup, managed and executed a scalable onboarding program covering both business perspective (KPIs) and technical integration and enablement
- Public speaker at conferences in the DACH region like bettercode, infodays and BATBern
Discover over 15,000 top freelancers
Statistics of experts using API Gateway
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 16 years)
Position duration
3 years (Germany: 2.3 years)
Positions per freelancer
10 (Germany: 11)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Retail, Automotive
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 96%)
Master's degree or higher
70% (Germany: 61%)
Doctorate
10% (Germany: 9%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Romanian
Speak two or more languages
100% (Germany: 99%)
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 Munich 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 Munich using API Gateway
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
Gateway basics
An API gateway sits in front of your services and controls how requests enter the system. It routes traffic, applies auth rules, limits abuse, and hides internal service details. Strong experts keep this layer simple, stable, and easy to operate.
Common tasks
- Route client traffic to the right backend service
- Add authentication and authorization checks
- Enforce rate limits, quotas, and request validation
- Support versioning, caching, and transformation rules
- Expose a clean front door for web, mobile, and partner APIs
Tooling and ecosystem
Work often spans Kong, Apigee, AWS API Gateway, Azure API Management, and NGINX-based setups. Experts also use OpenAPI, OAuth 2.0, JWT, mTLS, logging, and tracing tools. They know how the gateway fits with Kubernetes, service meshes, and CI/CD pipelines.
When to bring in help
Companies bring in freelance specialists when gateway rules are slowing releases, security needs tightening, or multiple teams are publishing APIs without a shared pattern. In Munich, this is common in enterprise software, mobility, finance, and industrial systems where integration quality matters. Remote work is common, but on-site sessions help when architecture decisions need fast alignment.
What strong experts do
Good professionals understand both traffic flow and API design. They can read service contracts, spot broken policies, and avoid turning the gateway into a bottleneck.
They also document clearly, work well with platform teams, and keep edge cases under control.
Deliverables to expect
A solid engagement often results in a gateway configuration, deployment-ready policies, and clear guidance for teams that own APIs. You should also expect monitoring hooks, error handling patterns, and a sensible setup for secure access.
For Munich teams, English is often enough for technical work, but local experts can help when workshops or stakeholder reviews need German as well.
Frequently asked questions
What clients ask us most about API Gateway — answered in short.
An API Gateway is used to place a controlled entry point in front of backend services. It handles routing, security checks, request shaping, and traffic policies so clients do not talk to every service directly. That makes API delivery more consistent and easier to govern.
A API Gateway focuses on north-south traffic, meaning client-to-service requests at the edge. A service mesh is usually about east-west traffic between internal services. Many systems use both, but they solve different problems and need different skills.
A strong API Gateway specialist often works with Kong, Apigee, AWS API Gateway, Azure API Management, NGINX, OpenAPI, OAuth 2.0, JWT, and mTLS. They should also understand logging, tracing, and CI/CD so gateway changes fit the release process. The exact stack depends on your cloud and architecture.
Teams usually bring in API Gateway expertise when they need a new gateway, a migration, or a cleanup of messy routing and policy rules. It also helps when multiple products share one API front door and the current setup is hard to maintain. If security, governance, or release speed is suffering, outside help is usually useful.
A API Gateway project needs someone who has already handled real routing, auth, and policy work in production. Simple proof-of-concept tasks are easier, but production setups need judgment around failure modes, versioning, and observability. The more systems and teams are involved, the more important that experience becomes.
Yes, most API Gateway work can be done remotely because the core tasks are configuration, review, and integration. On-site time in Munich helps when you need architecture workshops, security reviews, or close work with several teams. Many companies use a mix of both.
Look for a API Gateway expert who can explain trade-offs clearly, not just list tools. They should talk about auth, rate limits, observability, rollback plans, and how the gateway fits the rest of the platform. Good deliverables are readable, documented, and easy for your team to run.
Useful adjacent skills for API Gateway work include API design, cloud platforms, Kubernetes, security, and observability. Knowledge of backend services, integration patterns, and release pipelines also helps a lot. A specialist who understands the whole request path is usually the safest choice.
The average hourly rate of freelancers in Munich, Germany who have used API Gateway in their recent projects is 106 €, which corresponds to a daily rate of about 850 € based on an 8-hour working day.
Of the freelancers in Munich, Germany who have used API Gateway in their recent projects, 100% hold at least a Bachelor's degree, 70% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Munich, Germany who have used API Gateway in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Munich, Germany who have used API Gateway in their recent projects are German (100%), English (100%), and Romanian (27%).
The most common industries among freelancers in Munich, Germany who have used API Gateway in their recent projects are Information Technology (100%), Retail (55%), and Automotive (45%).
The most common business areas among freelancers in Munich, Germany who have used API Gateway in their recent projects are Information Technology (100%), Product Development (91%), and Project Management (82%).
Main locations of FRATCH Experts, who have recently used API Gateway
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 
Cologne 
Frankfurt Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
