Quarkus Experts in Berlin
in minutes from vetted specialists with the power of AIHire experts who ship fast Java services, native builds, REST APIs, and event-driven systems with Quarkus. They work with Jakarta EE, Hibernate, Dev Services, and container-ready deployment setups, with fast, precise matching to vetted, available freelancers.
Meet FRATCH Experts in Berlin, who have recently used Quarkus
Wolfram K.
Last position:
AI / Machine Learning Engineer (Projects & Applied AI) at UNIVERSITÉ PARIS 1 PANTHEON-SORBONNE & LIORA
- Designed and implemented a hybrid recommendation system (content-based + collaborative filtering)
- Built end-to-end ML pipelines including data processing, feature engineering, model training, and evaluation
- Developed RAG-based LLM systems using LangChain and vector databases for semantic search and knowledge retrieval
- Established MLOps workflows with MLflow for experiment tracking, versioning, and deployment readiness
- Implemented deep learning models (computer vision & classification) using PyTorch and TensorFlow
Ola V.
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Qaiser A.
Last position:
Freelance Lead DevOps Engineer at Schwarz Gruppe Produktion
Bootstrapping a CloudOps team and building a multi-cloud provider backend for a low-code Internal Developer Platform (IDP) with env zero
Introducing user story mapping, ADRs, milestones, and backlog management
Designing and developing core APIs, setting up CI/CD pipelines, OpenTofu/Terraform scripts
Representing and communicating the team with third-party stakeholders (e.g. env zero)
(Cross-)team coaching on DevOps, software design, Terraform, Golang, and agile practices
Olaf N.
Last position:
Frontend Engineer at Danaher/Hach Lange GmbH
- Developed a SolidJS frontend UI for a spectrometric water analysis system on an ARM-based embedded Linux platform
- Prototyped UI in TypeScript React/Nx with LitElements and MQTT integration
- Built production UI using SolidJS, SUID, i18next, Ajv, MQTT.js, C3.js
- Refined requirements with UX team and water analysis system engineers
- Defined and documented system architecture, MQTT message formats, frontend architecture, and development setup
- Set up frontend system from scratch, implemented domain-oriented type system, UI components, and application state
- Managed MQTT pub/sub services and schema-based message validation in frontend
- Coached two junior frontend developers
- Worked in an agile remote team using JIRA, Git, and Bitbucket
Khaled M.
Last position:
Senior/Staff Backend Engineer at Heycar (Mobility Trader GmbH)
- Heycar is a leading automotive platform redefining the used car market through intelligent data pipelines, multi-tenant services, and dealer-focused tooling. I led initiatives across backend architecture, data ingestion, and identity management to enhance scalability, reliability, and developer productivity.
- Ingestion Platform: Designed a unified ingestion platform with YAML-based configuration, enabling new dealer data pipelines to be onboarded without code changes, cutting setup time from ~2 months to 2-3 days and improving scalability by 40%.
- Keycloak Leadership: Acted as the company's Keycloak expert, scaling it for multi-tenant identity management and extending functionality with custom plugins and delegated admin APIs.
- Back-Office Tooling: Developed a back-office application integrated with Salesforce, enabling dealers to manage inventory, convert leads, and handle support requests in real time.
- Multi-Tenant Migration: Collaborated across backend teams to migrate Heycar's core services into a unified multi-tenant cluster, ensuring high availability.
- Frontend CI Optimization: Optimized monorepo delivery by implementing CircleCI dynamic config with NX, deploying only affected UI projects and drastically cutting build times.
- Observability & Mentorship: Enhanced monitoring and release reliability while mentoring backend engineers and improving code review standards.
Mario E.
Last position:
Developer and Consultant at Freelancer
Discover over 15,000 top freelancers
Statistics of experts using Quarkus
Aggregated from the professional profiles of matched freelancers.
Experience
23 years (Germany: 19 years)
Position duration
2.7 years (Germany: 1.7 years)
Positions per freelancer
16 (Germany: 15)
Top business areas
Information Technology, Product Development, Research and Development
Top industries
Information Technology, Education, Automotive
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 94%)
Certifications per freelancer
1 (Germany: 4)
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Berlin 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 Berlin using Quarkus
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Quarkus 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%)
- Education (67%)
- Automotive (50%)
- Healthcare (50%)
- Manufacturing (50%)
- Media and Entertainment (50%)
- Aerospace and Defense (33%)
- Banking and Finance (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Quarkus at a glance
Quarkus is a Java framework for building cloud-ready services with a small memory footprint and fast startup. It is often used for APIs, microservices, and event-driven back ends where container builds and quick deploys matter.
What experts build
- REST and JSON APIs
- microservices for Kubernetes and OpenShift
- native executables with GraalVM
- reactive services and messaging flows
- integration layers for existing Java systems
Ecosystem and tools
Strong specialists know the Quarkus extension model, Jakarta EE APIs, Hibernate ORM, RESTEasy Reactive, SmallRye, and Dev Services. They also understand Maven or Gradle, test profiles, container images, and the difference between fast local development and production tuning.
When companies bring in freelance help
Teams usually call for Quarkus expertise when they need to modernize Java services, speed up delivery, or solve startup and memory issues in cloud deployments. In Berlin, this often fits product teams that need short, focused help while keeping senior knowledge close to the codebase.
What good specialists do
Good professionals do more than write endpoints. They shape the service boundary, reduce native build issues, set up observability, and keep the code easy to test and deploy.
Signs you need Quarkus expertise
- a Spring or Java EE service needs a lighter runtime
- native image builds fail or take too long
- tests, mocks, or Dev Services are flaky
- messaging, security, or database integration is blocking release
- the team needs help with Red Hat Quarkus or Quarkus itself
Frequently asked questions
Not sure where to start with Quarkus? These answers cover the essentials.
Quarkus is used to build Java services that start quickly, use less memory, and fit well in containers. Companies use it for APIs, microservices, messaging workers, and backend services that need cloud-friendly deployment without a heavy runtime.
Quarkus is often chosen when fast startup, low memory use, and native image support are priorities. Spring Boot remains a common alternative, but Quarkus is a strong fit for teams that want a leaner runtime and tighter container behavior.
Quarkus is the framework name, and Red Hat Quarkus is a common way people refer to its enterprise-backed distribution and support model. In practice, searchers may use either term when they want the same Java framework and ecosystem.
A strong Quarkus specialist usually knows Jakarta EE, REST APIs, Hibernate ORM, messaging, and container-based delivery. For many projects, Kubernetes, OpenShift, Maven or Gradle, and testing with JUnit also matter.
A Quarkus project can benefit from outside help as soon as the team faces native builds, service design, or production deployment questions. You do not need a full rewrite to justify support; even a focused review or setup task can remove risk early.
Yes, Quarkus work is often well suited to remote collaboration because the main tasks are code, build, and deployment focused. In Berlin, many companies mix remote work with on-site sessions for architecture reviews, release planning, or team handover.
Look for a Quarkus freelancer who can explain trade-offs, not just add endpoints. Good signs are clean service boundaries, stable tests, sensible use of extensions, clear deployment setup, and a practical approach to observability and security.
Quarkus experts are especially useful when teams struggle with slow startup, memory pressure, native compilation, or complex integration work. They also help when a Java service needs to move into Kubernetes, OpenShift, or a more cloud-native delivery model.
The average hourly rate of freelancers in Berlin, Germany who have used Quarkus in their recent projects is 83 €, which corresponds to a daily rate of about 667 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Quarkus in their recent projects, 100% hold at least a Bachelor's degree.
On average, freelancers in Berlin, Germany who have used Quarkus in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.7 years.
The most common languages among freelancers in Berlin, Germany who have used Quarkus in their recent projects are German (100%), English (100%), and French (50%).
The most common industries among freelancers in Berlin, Germany who have used Quarkus in their recent projects are Information Technology (100%), Education (67%), and Automotive (50%).
The most common business areas among freelancers in Berlin, Germany who have used Quarkus in their recent projects are Information Technology (100%), Product Development (100%), and Research and Development (83%).
Main locations of FRATCH Experts, who have recently used Quarkus
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.
Hamburg 
Munich Request a free demo
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Philipp Thomaschewski
FRATCH CEO
