Karma Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Karma
Hamdi Rajab
Last position:
Full-Stack AI Developer at Karray-Pflege GmbH
PFS-Matching-App
- Integrated an intelligent LLM chatbot using LangChain4j, enabling conversational AI, context-aware question answering, document summarization, and autonomous tool execution.
- Implemented Retrieval-Augmented Generation (RAG), prompt engineering, and AI agent workflows to connect large language models with enterprise data and backend services.
- Developed RESTful APIs and secure backend services to support AI-driven interactions and business processes
Megha Hubli
Last position:
Freelance Frontend Developer at Self-employed
- Designing and developing responsive, accessible web applications for SMEs and private clients with React.js, Tailwind CSS, JavaScript, and HTML5.
- Building reusable UI component libraries to improve maintainability and reduce development time.
- Integrating REST APIs and implementing dynamic features (landing pages, portfolios, dashboards) based on Figma/Adobe XD designs.
- Independently managing the full project cycle (analysis, development, testing, deployment on Netlify/Vercel) while following mobile-first and cross-browser standards.
Sascha Seewald
Last position:
Entrepreneur at novael.de
- Focus areas: application development, IT security, project management, conceptual design, online/offline marketing, print, startup phase, SMEs
- Hosting (until end of 2015), monitoring, IT infrastructure, cloud solutions
- Frameworks and tools: Scrum, Kanban, OKR, agile patterns, .NET Core, node.js, Angular, React/JSX, PHP OOP, C#, JavaScript, TypeScript, Python, Ruby, MySQL, MS SQL, Postgres, MongoDB, AWS, Docker, Kubernetes, Jenkins, GitLab CI, Terraform
Alexandr Kuĉun
Last position:
Senior Consultant at Insurance Industry Client
- Single-handedly executing end-to-end legacy system migration to modern stack, working autonomously with minimal supervision
- Converting stakeholder resistance into buy-in through regular demos and feedback sessions with initially skeptical internal teams
- Proactively identifying improvements to common libraries beyond project scope
Hüseyin Korkut
Last position:
Senior Full-Stack Engineer at DVAG
Architecture and implementation of a fully digitalized closing flow for managing securities contracts within the DVAG infrastructure. The platform aims for maximum user-friendliness, modular extensibility and compliant handling of sensitive data.
Implementation of a reactive UI structure with a focus on user guidance & accessibility.
Dynamic control of form and closing processes including validation logic.
Reactive state management via SignalStore (signals + selective effects).
UX optimization through adaptive components and Playwright-based UI tests.
Backend modularization to connect existing sales and contract logic.
API stability and DTO design according to Clean Architecture principles.
Collaboration with domain teams to define technical contracts and service boundaries.
Management with GitHub.
Unit tests with Jest, E2E tests with Playwright.
Code reviews, CI-integrated test execution, iterative refactorings.
Ensuring high coverage and UI stability in the closing flow.
Technologies: Angular 18, RxJS, SignalStore, HTML5, SCSS, Spring Boot, Kotlin, REST, OAuth2, Jest, Playwright, Clean Architecture.
Werner Keil
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
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.
Arne Hendricks
Last position:
Embedded Fullstack Developer at IoT / Infrastructure Automation Sector
- Analysis of legacy codebase and identification of architectural issues, implementing improvements in coordination with the Product Owner.
- Development of clean, efficient, and fully documented code following established software engineering practices and standards.
- Analysis of Erlang components in backend and device layers to provide recommendations for ensuring stable system operation.
- Setup and optimization of CI/CD pipelines on client infrastructure, including testing, debugging, and certificate management quality assurance.
- Participation in planning, design, and implementation of epics and stories according to Product Owner specifications.
- Technical consultation for Product Owner regarding Erlang codebase management and best practices.
- Collaboration with Product Owner, Scrum Master, and development team to ensure timely delivery of features.
- Elixir & Phoenix + PostgreSQL
- Erlang
- IoT
- CI/CD
- Git
- Agile/Scrum
- Docker
- Kubernetes
- Frontend (VueJS)
- Embedded Devices
Emre Dündar
Last position:
Frontend Architect, Angular Expert at MEDIFOX DAN
- Digitalizing care software to cover all requirements in outpatient and inpatient care and in therapy practices
- Developing professional frontends using technologies such as Angular, Nrwl, GraphQL, and C#
- Conducting regular workshops for the team
- Software design, architecture, and development
- Extending the software based on customer requirements
- Analyzing requirements
- Angular 14, Nrwl, GraphQL
Olaf Nouvortne
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
Stefan Baust
Last position:
Senior Full Stack Developer / Co-Founder / CTO / Head of Development at Netprint Development & Solutions GmbH
Overall technical responsibility for innovative SAP Customer Checkout solutions at leading clients such as Aramark, Consortium Gastronomie, Feinkost Käfer, TSG Hoffenheim, and VfB Stuttgart. Full support from requirements analysis to implementation and support.
Successful conception and development of the NDS SmartPOS platform ("Läufer App"):
Designed the software architecture and implemented it according to Modern Android Development principles.
Led a small development team (1 Android expert, 1 working student) with a 50% in-house development share.
Integrated various payment SDKs (S-Payment S-POS, VR Payment, CCV), enabling clients to achieve significant cost savings by reusing existing contracts.
Successfully rolled out to multiple major clients, resulting in demonstrably increased efficiency of sales staff.
Independently developed and successfully implemented critical infrastructure components:
Reporting server (SQL, JasperReports): Measurable reduction in accounting effort by eliminating daily manual transfers into the ERP system.
ZVT plugin: Solely implemented the serial protocol with Java/Netty over TCP/IP, saving several thousand euros per location and successfully deployed in multiple Bundesliga stadiums.
Completely in-house development of specialized plugins and server applications for custom functionality extensions of SAP Customer Checkout:
Waiter Teams Plugin: Allows waiters to work and settle bills in teams.
SQL reporting: Realized from conception to full documentation independently.
RFID payment solution for employee cards: Responsible for the complete development cycle.
Integration with reservation services: Designed seamless connections to Luca and other services, implemented together with a team member.
Direct technical on-site support for clients, including rapid troubleshooting in real-time environments with high transaction volumes and close coordination with stakeholders to continuously improve the systems based on practical experience.
Marc Haid
Last position:
Senior Architect, Coach and Developer
Fixing issues in the application logic
Covering the changes with component tests
Analyzing and documenting the data structure of the different applications
Analyzing and documenting the parameters for configuring the applications
Analyzing and documenting the necessary measures to ensure the operation of the applications
Analyzing and designing the separation of the individual database structures
Analyzing and estimating the effort for planned enhancements
Analysis, maintenance and documentation of a heterogeneous legacy system landscape for a print media service provider
Technology: C#, VB.NET, C, Python, Microsoft SQL Server, Visual Studio 2010, JetBrains Rider, Visual Studio Code, arc42, Draw.io, Jira, GitLab
Sandeep Girase
Last position:
Software Engineer at ACL Digital
- Developed high-performance APIs for SDK backend on JavaEE Web, iOS, and Android, improving application performance and scalability by 30%.
- Led system design, tech stack planning, and development, ensuring 98% uptime with strong code quality and automated tests.
- Implemented CI/CD pipelines with Jenkins and GitHub Actions, reducing release cycle time by 40%.
- Deployed cloud-native applications on AWS EC2 instances, ensuring 99% uptime and optimized performance.
- Delivered clean code with full unit, component, and integration test coverage, reducing defects by 25%.
- Collaborated across engineering, QA, and product teams to deliver secure, reliable solutions.
- Mentored team members, increased development efficiency by 20%, automated routine tasks, and contributed to hiring, growing team capacity by 15%.
Tobias Hofbauer
Last position:
Senior Java Web Developer at Deutsche Bahn
- Cloud-based Enterprise Service Bus/middleware development for communication between internal applications using Spring Boot and Apache Camel
- Use of AWS cloud computing technologies (e.g., EKS, EC2, S3)
- Development and configuration of modular base and adapter microservices with Camel DSL routing logic
- Designing interfaces and connecting via JMS (ActiveMQ, WebSphere MQ), REST, and SOAP
- Development of unit and integration tests
- Technical support for clients during requirement gathering
Bela Bocsak
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.
Discover over 15,000 top freelancers
Statistics of experts using Karma
Aggregated from the professional profiles of matched freelancers.
Experience
18 years
Position duration
2 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
95%
Master's degree or higher
50%
Doctorate
5%
Certifications per freelancer
1
Most common languages
German, English, Russian
Speak two or more languages
100%
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 Germany 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 Germany using Karma
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
What Karma does
Karma is a JavaScript test runner used to execute browser tests from the command line. It is common in front-end teams that need reliable feedback on unit and integration tests, especially in AngularJS and other browser-heavy codebases.
Typical work
- Set up test execution in Chrome and other browsers
- Connect Karma with Jasmine, Mocha, or Chai
- Configure watch mode for quick local feedback
- Integrate test runs into CI pipelines
- Stabilize flaky browser test suites
Tooling around it
Strong Karma specialists know the surrounding stack, not just the runner itself. They work with Node.js, npm, Webpack, Babel, and coverage tools such as Istanbul, and they understand how browsers, headless runs, and CI agents affect test reliability.
When companies bring in help
Companies usually look for freelance expertise when a test setup becomes slow, unstable, or hard to maintain. That often happens during front-end modernization, AngularJS migrations, CI cleanup, or when teams need better coverage without breaking existing browser tests.
What good specialists bring
A good Karma professional writes clear configuration, keeps tests isolated, and knows how to debug browser-specific failures. They also make test suites easier to run locally and in pipelines, which matters when teams in Germany split work between remote experts and in-house product teams.
Why the details matter
Karma works best when the test runner fits the project structure and release process. Strong experts know when to keep the setup simple, when to add reporters or coverage output, and how to maintain a suite that stays useful as the codebase grows.
Frequently asked questions
Key details about Karma, drawn from the questions we get asked most.
Karma is used to run JavaScript tests in real browsers or headless browsers, with fast feedback for front-end code. Teams use it to verify components, services, and browser behavior before changes go live.
Karma is still useful when a project depends on browser execution, older AngularJS code, or an existing suite built around Jasmine or Mocha. Jest and Vitest can be simpler for many modern setups, but they do not replace every browser-testing need.
A strong Karma specialist usually knows JavaScript well and also understands Jasmine, Mocha, Chai, Node.js, and CI tools. Experience with browser debugging, coverage reporting, and front-end build tools is also valuable.
A Karma freelancer needs enough context to understand the test stack, build pipeline, and browser targets. Projects go faster when the specialist can see the current configuration, the failing tests, and the release flow early.
Yes, Karma work is often well suited to remote collaboration because most tasks are configuration, debugging, and test maintenance. For teams in Germany, clear documentation and access to the CI environment matter more than being on site.
A Karma project usually needs help when tests are flaky, slow, or hard to run locally. Another sign is when the configuration has grown complex after framework upgrades, browser changes, or AngularJS migration work.
A good Karma expert leaves behind stable tests, readable configuration, and a setup the team can maintain. Look for someone who explains failures clearly, knows how to reduce flakiness, and improves the workflow instead of adding complexity.
No, Karma is best known in AngularJS environments, but it can support other browser-based JavaScript projects too. The key question is whether the project needs tests that run in real browsers and fit an established front-end stack.
The average hourly rate of freelancers in Germany who have used Karma in their recent projects is 89 €, which corresponds to a daily rate of about 710 € based on an 8-hour working day.
Of the freelancers in Germany who have used Karma in their recent projects, 95% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 5% hold a doctorate.
On average, freelancers in Germany who have used Karma in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Germany who have used Karma in their recent projects are German (100%), English (96%), and Russian (20%).
The most common industries among freelancers in Germany who have used Karma in their recent projects are Information Technology (100%), Banking and Finance (56%), and Government and Administration (56%).
The most common business areas among freelancers in Germany who have used Karma in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (60%).
Main locations of FRATCH Experts, who have recently used Karma
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
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
