MicroProfile Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used MicroProfile
Timo H.
Last position:
Software Developer at Smiths Detection
- Extension of a Swing-based UI for recording Security Restricted Articles during baggage screening.
- Introduction of a new workflow for recording Deboarding Events.
- Extension of the reporting system for Security Restricted Articles and Deboarding Events.
- Implementation using JBoss Wildfly, PostgreSQL, spring-boot 3.x, Java 8/21, Swing, JSF, JAX-RS/Resteasy, Docker, Maven, Kiro.
Sercan T.
Last position:
Co-Founder & Lead Software Architect at Pflege-Pfad
- Focus: System architecture, cloud-native platforms, microservices, API design
- Product: Pflege-Pfad is a digital placement platform that directly connects relatives of people in need of care with verified care services and caregivers – without an agency and without ongoing fees.
- Business analysis & process design:
- Analysis of the German care market and identification of the key pain points of both target groups.
- Modeling of core business processes: registration, verification, care request, application, placement, and rating.
- Definition of the business model as a freemium/premium model with optional contact unlocking.
- Creation of user stories and requirements documentation for relatives, care services, and administrators.
- Design of trust and quality assurance mechanisms with document upload, admin review process, and rating system.
- Coordination with stakeholders and validation of product decisions with potential users.
- Technical implementation:
- Design and implementation of the entire platform architecture as the sole developer.
- Design and implementation of a REST API with Spring Boot and Kotlin, including JWT-based authentication.
- Development of the frontend as a single-page application with Angular 17.
- Implementation of the AWS infrastructure with EC2, RDS PostgreSQL, S3, CloudFront, and IAM.
- Document upload with AWS S3 using presigned URLs to verify care services.
- Email notifications via Resend API.
- AI-supported care service search via OpenAI API.
- Implementation of complete user flows such as registration, login, password reset, and the placement process.
- Development of an admin panel for user and care service management as well as analytics.
- CI/CD with GitHub Actions and containerized deployments with Docker.
- End-to-end tests with Playwright.
Technologies: Kotlin, Spring Boot 3, Spring Security, JWT, JPA/Hibernate, PostgreSQL, Angular 17, TypeScript, RxJS, AWS (EC2, ECS, S3, CloudFront CDN, RDS PostgreSQL, IAM), nginx, GitHub Actions, Playwright, Maven, Git, OpenAI API, Resend API, Docker, Scrum, i18n (DE/EN/TR), Kiro, feature flag architecture.
Rainer L.
Last position:
Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer at Techniker Krankenkasse
Automation of the database major / minor releases for the TKeasy project
Concept for database major / minor release automation
Assessment of the current state
Evaluation of Redgate Flyway functionalities
Concept development
Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence
Knowledge: Docker, Continuous Delivery, Continuous Integration, Redgate Flyway, Major Releases, Minor Releases
Allal K.
Last position:
Java Senior Full Stack Developer at Insurance ÖRAG
- Further development of a policy administration system (contract/claims) for the legal expenses insurer ÖRAG.
- My role: Senior Software Developer.
- The team consists of 12 developers.
- Technologies used: Java 8/21, Java EE, Quarkus, WebLogic, JPA, RabbitMQ, JTA, CI, CD, Jenkins, DB2, Maven, Jenkins, GIT (bitbucket) later GitLab, Junit, Elasticsearch, Mockito, Jira, SonarQube, Scrum, React, Workflow
- Migration and modernization of legacy systems: rewrote C and C++ code in Java to improve maintainability, scalability, and performance. Refactored Python into Java, including optimization and integration into modern architectures.
- Study on the use of AI (Codex) for implementing a Java feature. The goal is to compare the time spent and productivity of AI-supported development with a classic implementation by a developer. The results should show how strongly the use of AI affects development time and efficiency.
- Development of the following tariff calculators for the years 2024/2026: private, companies, doctors, farmers, owner-occupied G + H, landlords, traffic, club, top managers, sales representatives, special criminal law, savings bank, municipal, BayGT, doctors, Dehoga
Dirk B.
Last position:
Senior Software Developer at congstar
- Mobile app backend development for end-customer mobile management
- Implementation of authentication methods
- Conversion of a monolith into microservices
- Operational support
- Technologies: Kotlin, Quarkus, Microprofile, Jackson, MariaDB, Redis, JSON, XML, SOAP, Maven, Git, GitLab CI, Splunk, Grafana, Jenkins, Kubernetes, Helm, Terraform, Microservices
Oliver L.
Last position:
Developer, Architect at libri GmbH
- Role: Developer, Architect
- Technologies: java, typescript, golang, spring (boot, web, security, data), Angular, AWS (OpenSearch, Aurora, SNS/SQS, CloudWatch, EC2, IAM), Kubernetes, Terraform, Helm, OAuth, Keycloak, CI/CD, gradlew, Liquibase, Test Driven Development, shell scripting
Christian S.
Last position:
Senior Java Developer at Freelance
- Numerous projects as a Senior Java Developer or Team Lead in the technical domain, banking sector, public sector, etc. Please ask for a detailed project list. My contact: office(at)stellwag.it
Mykhaylo K.
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
- Performing code reviews
- Participating in communities of practice for developers and architects
- Implementation of frontend-backend communication with WebSockets
Bela B.
Last position:
Full Stack Lead Developer, Backend Architect at Telefonica (O2)
The software supports the complete planning and approval of antennas for mobile telephony.
The system was implemented using an event-driven microservice architecture for cloud-native deployment with Quarkus on the backend, Kafka for communication, and Angular for the frontend. Services run on Kubernetes in Google Cloud. A special challenge was synchronizing with the legacy system still used by some users.
Jan M.
Last position:
Interface project at HR Solutions GmbH for Rhineland-Palatinate / BAMF at HR Solutions GmbH
- Developed an adapter from the central foreigner register to an internal application
- REST, JSON, OpenAPI, Spring Boot, Vue, Java, Maven, XAusländer
- Jira/Confluence/GitHub, Scrum+Kanban
Ingo D.
Last position:
Analytics at BaFin - Federal Financial Supervisory Authority Frankfurt
- Introduction of approaches for developing and automatically deploying cloud-native software and machine learning programs in OpenShift clusters
- Development of various programs in Python
- Technologies: Kubernetes, OpenShift, Kustomize, ArgoCD, Tekton, Docker, PodMan, Airflow, IntelliJ, PyCharm, Git, Bitbucket, Jira, Confluence, Python
Discover over 15,000 top freelancers
Statistics of experts using MicroProfile
Aggregated from the professional profiles of matched freelancers.
Experience
28 years
Position duration
2.5 years
Positions per freelancer
19
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Government and Administration, Banking and Finance
Certification focus areas
Information Technology, Project Management, Accounting
Bachelor's degree or higher
89%
Master's degree or higher
56%
Doctorate
22%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
91%
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 MicroProfile
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.
MicroProfile 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%)
- Government and Administration (82%)
- Banking and Finance (73%)
- Insurance (64%)
- Healthcare (55%)
- Telecommunication (55%)
- Automotive (45%)
- Transportation (45%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Cloud-Native Java
MicroProfile is a set of specifications for building cloud-native Java services. It extends enterprise Java with APIs for configuration, health checks, fault tolerance, metrics, tracing and service discovery. Companies use it to create modular services that run reliably in containers and Kubernetes environments.
Core Specifications
MicroProfile gives teams a consistent programming model across compatible runtimes. Common specifications include Jakarta REST, CDI, JSON-B, OpenAPI, Config, Health, Metrics, Fault Tolerance and Rest Client. Strong specialists understand how these APIs interact and where runtime-specific behavior begins.
Runtime Ecosystem
MicroProfile works with runtimes such as Open Liberty, Payara, WildFly and Helidon, alongside Jakarta EE capabilities. Projects often involve Maven or Gradle, Docker, Kubernetes, CI pipelines and observability systems. Experts select the right runtime, align dependency versions and keep service behavior portable.
Typical Deliverables
- RESTful microservices with externalized configuration
- Health, readiness and liveness checks for container orchestration
- Retries, timeouts, circuit breakers and bulkheads
- OpenAPI contracts, client integrations and service documentation
- Metrics and distributed tracing for production diagnosis
When Expertise Matters
Companies bring in freelance specialists when a Java service landscape is moving toward containers, when distributed failures are difficult to isolate, or when an existing Jakarta EE system needs a cloud-native path. In Germany, this work often supports industrial, financial, logistics and public-sector systems that require dependable integration and clear operational controls.
What Good Looks Like
A strong MicroProfile professional designs small, testable services without treating microservices as an automatic answer. They can explain runtime compatibility, secure service-to-service calls, deployment constraints and observability choices. Remote delivery works well when contracts, environments and ownership are documented; on-site collaboration can help when teams need close alignment across German and international stakeholders.
Frequently asked questions
What clients ask us most about MicroProfile — answered in short.
MicroProfile is used to build cloud-native Java services that need configuration, health checks, fault tolerance, metrics, tracing and REST communication. It is especially useful for containerized workloads and distributed systems running on Kubernetes or compatible application runtimes.
MicroProfile focuses on cloud-native concerns that complement Jakarta EE, such as service health, telemetry and resilience. Jakarta EE provides broader enterprise application APIs, while MicroProfile helps teams apply those capabilities to independently deployed services.
MicroProfile is supported by runtimes including Open Liberty, Payara, WildFly and Helidon, with support varying by specification and release. A specialist should verify the exact compatibility matrix before selecting a runtime for a production system.
MicroProfile work commonly requires Jakarta REST, CDI, JSON-B, Maven or Gradle, Docker and Kubernetes. Useful adjacent skills include secure API design, automated testing, CI pipelines, service mesh concepts and observability with metrics and distributed tracing.
MicroProfile projects vary widely in scope, so the right level of experience depends on the deliverable rather than a fixed duration. A service migration may need runtime and Jakarta EE knowledge, while a new platform also requires architecture, deployment, resilience and operational design.
MicroProfile projects are often well suited to remote collaboration because source code, containers and deployment environments can be shared securely. Teams in Germany should agree on working language, documentation standards, access procedures and time-zone overlap before work begins.
MicroProfile quality is visible in clear API contracts, reliable tests, meaningful health signals and deliberate timeout or retry behavior. Ask how the specialist handles runtime portability, failure scenarios, security and production diagnosis rather than reviewing framework names alone.
MicroProfile is a strong fit when services must scale, deploy independently or expose operational signals in a container environment. A modular monolith, a simple internal application or a system with no distributed deployment needs may be better served by a broader Jakarta EE approach without adding microservice complexity.
The average hourly rate of freelancers in Germany who have used MicroProfile in their recent projects is 93 €, which corresponds to a daily rate of about 740 € based on an 8-hour working day.
Of the freelancers in Germany who have used MicroProfile in their recent projects, 89% hold at least a Bachelor's degree, 56% hold at least a Master's degree, and 22% hold a doctorate.
On average, freelancers in Germany who have used MicroProfile in their recent projects have 28 years of professional experience, with a single engagement typically lasting around 2.5 years.
The most common languages among freelancers in Germany who have used MicroProfile in their recent projects are German (100%), English (82%), and French (27%).
The most common industries among freelancers in Germany who have used MicroProfile in their recent projects are Information Technology (100%), Government and Administration (82%), and Banking and Finance (73%).
The most common business areas among freelancers in Germany who have used MicroProfile in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (64%).
Main locations of FRATCH Experts, who have recently used MicroProfile
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
