Micro Frontend Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Micro Frontend
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
Shamaila Mahmood
Last position:
MCP, Kubernetes, Helm, Docker, Terraform, Typescript, Java, SpringBoot, Go Lang, React at Kubekanvas
- Development of a browser-based platform for no-code deployment and cluster management in Kubernetes
- Implementation of a CLI tool in TypeScript to provision resources directly from the browser interface into the cluster
- Development of a expression parser in Go and delivery as a microservice to extract Helm expressions from values files
- Use of LLMs to turn user intent into Kubernetes diagrams
- Technology stack: Java, Go, OpenAI API, React, Azure, Next.js, Strapi, Stripe Connect
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
Lukas Gloor
Last position:
Happy Metal
- Concept, design, architecture and full-stack development of end-user and back-office application
- Automated CI/CD pipeline with Docker and GitLab
- Advanced image optimization, Google Places and automated route calculation with Google Routes
- Development with Nuxt, Vue and Node
- Technologies: TypeScript, Vue, Nuxt, Node, Postgres, Sharp, Google Places, Drizzle, Telegram, Docker, GitLab, GitLab CI/CD, REST, PNPM, Vite, Tailwind, SCSS, HTML
Mykhaylo Khazanovych
Last position:
Lead Developer Backend, Frontend, BPMN / Administrator at Main Customs Office, Department for Digital Affairs
- Development of backend, frontend and BPMN processes in the Atlas Centralised Clearance for Import project
- Definition and implementation of REST, JMS and SOAP endpoints
- Implementation of database access with JPA
- Implementation of BPMN processes with Camunda
- Frontend implementation with React
- Configuration of JBoss via CLI
- Conducting code reviews
- Participation in communities of practice for developers and architects
- Implementation of frontend-backend communication with WebSockets
David Dlouhy
Last position:
Senior Angular Engineer at HUK-Coburg
- Technologies: TypeScript, JavaScript, Java, HTML, SCSS, JSON, REST, Angular, Nx, NgRx, RxJs, Git, Spring, TFS, Jenkins, Jest, Cypress, UI/UX-Design, Figma, Storybook, Domain-Driven Design (DDD), Micro Frontend, Clean Code, Arc42, Agile, Scrum, Jira, Confluence
- Technical conception and further development of a modern Angular web application as part of the portal migration
- Built a modular frontend architecture with Nx and clear separation of domain and technical layers (Clean Architecture)
- Introduced and implemented Domain-Driven Design in the frontend context, including layer model and linting rules for code organization
- Developed reusable UI components and features using Angular, NgRx and RxJS
- Integrated the application with backend services via REST APIs
- Ensured high code quality through structured code reviews, testing with Jest and Cypress and introduction of guidelines
- Performed regular upgrades to new Angular versions to ensure long-term maintainability
- Collaborated closely with internal developers, product owners and stakeholders for requirements analysis and solution finding
- Supported the team through active knowledge transfer, review coaching and technical decision making
- Established a modular architecture with Nx & DDD as the technical foundation for future development
- Significantly improved test coverage through systematic introduction of Cypress and Jest tests
- Facilitated intensive collaboration with internal developers to build DDD structures and testing strategies
- Delivered a modernized UI focusing on clarity, usability and modern web technologies, achieving high acceptance by over 4,000 field staff
- Enabled parallel operation of the new Angular portal with the existing .NET system for phased migration of the sales process
Florian Fladung
Last position:
Senior Backend Developer at ING Deutschland AG
- Database design with Oracle DB, JPA and Flyway considering high performance requirements
- Analysis of multiple architecture drafts and identification of technical risks
- Design and implementation of various interfaces and integrations, especially REST APIs and Kafka topics
- Setup of Elasticsearch for monitoring and analyzing log data
- Establishment of an iterative work approach in the project team facing complex business requirements
Jonas Taulien
Last position:
IT Consultant at Bechtle AG
- Prequalified 200 demands within five weeks on the multi-cloud-commerce platform bechtle-clouds.com with three external consultants
- Served a dual role as project manager and requirements engineer for various enhancements
- Domain topics: reimplementation of Entra ID Sync, improvement of support processes, optimizations in the product catalog
- Demand and project management in ServiceNow
- Refinement of epics and stories with internal teams and external service providers
- Management of the external international service provider
Clemens Berlin
Last position:
Director of Engineering at SIDES GmbH
- Leading engineering organization of 45 engineers across 8 teams while serving dual role as Head of Backend
- Addressed critical organizational challenges including siloed departments, lack of engineering processes, and absence of technical strategy
- Executed comprehensive engineering leadership in people management, organizational design, and strategic planning
- Drove platform modernization including migration to a new Python backend, implementation of React micro-frontends, and transition to event-driven architecture
- Established engineering excellence framework through Architecture Decision Records, RFC processes, and comprehensive technology roadmapping
- Transformed engineering into integrated business partner by building collaboration channels with Product Management and Customer Operations teams
- Reduced escaped bugs by 50% and increased test coverage in legacy systems
- Achieved 100% Q2 roadmap delivery through realistic planning and improved estimation accuracy
- Introduced AI engineering strategy, establishing policies, providing tools, and training team on prompt engineering and agentic workflows
- Saved €10k monthly through infrastructure optimization including AWS IoT to RabbitMQ migration and decommissioning legacy systems
- Improved team engagement from 60% to 100% survey participation and enhanced eNPS scores among team leaders
- Built high-performance team through strategic hiring of Python, Go, and frontend engineers and improved onboarding
- Implementing transition to self-organized cross-functional teams
Wolfgang Oellinger
Last position:
Fullstack Software Developer at Gematik
Development of the frontend of DEMIS (German Electronic Reporting and Information System for Infection Protection)
Technologies: Angular, Typescript, Single-SPA MicroFrontend, Java, Docker, Kubernetes, Postgres, REST
Prototype development of a compiler from HL7 FHIR to AngularFormly
Martin Silber
Last position:
Fullstack Developer at Affiliate / Price Comparison (Technical Relaunch)
- Technical relaunch of the existing affiliate site based on Pimcore and Symfony
- Use of TailwindCSS for performant and flexible frontend design
- Implemented a CI/CD pipeline with GitHub Actions
- Used Redis for caching and performance optimization
- Responsible for DevOps tasks including system configuration and deployment
- Integrated the eBay API for automated data processing
- Managed tickets via YouTrack and team communication through Slack
- Test coverage with Codeception (unit & acceptance tests)
- Continuous development, maintenance, and performance improvement
- Designing new features and optimizing existing processes
György Kelemen
Last position:
Senior Fullstack Developer at Rockstardevelopers GmbH
- Development of a test system
- Establishment of the architecture using Scala/Java for the backend and Swing for the frontend
- Setup of CI/CD pipelines with Jenkins for continuous integration, including automated builds
- Participation in the Scrum team, including daily stand-ups, sprint planning, and retrospectives
- Technology environment: Scala, Swing, EJB, JPA, Scrum, PostgreSQL, Mercurial
Andreas Ernst
Last position:
Consultant at Iteratec GmbH
Gregor Doroschenko
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.
Mani Yazdi
Last position:
Full-Stack Developer at Continentale Krankenversicherung a. G.
- Set up the new digitization strategy.
- Using Camunda as a process engine, a new way of handling batch and dialog tasks is created.
- In close cooperation with the business department, the individual processes are created and put into production.
- Forms for controlling manual interventions, e.g. when adjusting applications, are implemented.
- Gradual migration of old code from IBM WebSphere to JBoss.
- Skills: Arquillian, Camunda, Initiative, Empathy, Hibernate, Jackson, Java/JEE, JBoss, Jersey, JSON, JUnit, Openness to criticism, Willingness to learn, REST, Teamwork, WebServices.
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About the technology
What it is
Micro frontend breaks a large UI into smaller, owned parts that teams can build and ship separately. It fits products with many domains, such as portals, dashboards, ecommerce, and internal business tools. The goal is less coupling and cleaner ownership.
Where it fits
It works well when one front end has many release lines, teams, or business areas. Companies in Germany use it to modernize older monoliths without a full rewrite.
- Split a monolith into smaller UI slices
- Keep teams independent on delivery
- Add new features without blocking other areas
- Combine legacy and new front ends
Common stack
A micro frontend setup often includes Module Federation, single-spa, Webpack, Vite, React, Angular, or Vue. Strong specialists know routing, shared design systems, build pipelines, and runtime integration. They also watch bundle size, app startup, and cross-app communication.
What strong specialists do
Good specialists design clear boundaries and keep contracts stable between teams. They handle shared auth, design tokens, error handling, and versioning without turning the system back into a monolith. They also know when a simpler shared front end is the better choice.
When to bring in help
Bring in freelance help when your front end feels hard to change, release cycles block each other, or different teams need separate ownership. You also want outside expertise when you plan a migration from a monolith, need a proof of concept, or must align architecture across product lines.
Working model
Remote work is common for micro frontend projects, but on-site sessions can help with architecture decisions and stakeholder alignment. In Germany, many companies also want English for code and docs, while day-to-day collaboration may mix in German. Clear interfaces and short feedback loops matter more than location.
Frequently asked questions
Need clarity? These are the questions we hear most often about Micro Frontend.
A micro frontend is used to split a large user interface into smaller parts that can be built and deployed separately. Companies use it for portals, dashboards, ecommerce flows, and complex business tools where many teams work on one product. It is most useful when different parts of the UI change at different speeds.
A micro frontend approach gives more independence than one large single-page app or a classic monolith-style front end. The trade-off is more integration work, more shared standards, and more care around routing, design, and state. If the product is small, a simpler shared front end is often easier to maintain.
A strong Micro Frontend specialist needs more than React, Angular, or Vue knowledge. They should understand Module Federation, single-spa, deployment boundaries, shared UI systems, authentication, and communication between parts. Good architecture judgment matters as much as framework fluency.
With micro frontend work, the important question is not a title but whether the expert has shipped real multi-team systems. For a small proof of concept, one experienced specialist may be enough. For a migration or a platform-wide rollout, you want someone who has already handled integration, rollout, and long-term maintenance.
A micro frontend setup makes sense when teams keep stepping on each other's releases or one front end has grown too large to own comfortably. It also helps when you need to modernize legacy screens while keeping the product live. If the system is still simple, the added complexity may not pay off.
Yes, Micro Frontend work is often remote because the main tasks are architecture, integration, and code reviews. In Germany, some companies prefer a mix of remote delivery and on-site workshops for planning, especially at the start of a migration. Clear communication and stable interfaces are more important than constant presence.
For micro frontend work, look for clear boundaries, a sensible integration strategy, and evidence that the expert has handled shared design and release concerns. Ask how they manage routing, auth, and failure handling across separate parts. A good answer will explain trade-offs, not just name tools.
A micro frontend specialist usually works with React, Angular, Vue, TypeScript, Webpack or Vite, and design systems. They may also need knowledge of CI/CD, container-based delivery, observability, and backend APIs. The best fit depends on how the front end is split and deployed.
Main locations of FRATCH Experts, who have recently used Micro Frontend
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 
Munich 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
