
IntelliJ IDEA Experts in Berlin
matched in minutes with vetted, available freelance professionalsHire experts who streamline Java and Kotlin development, configure Spring Boot projects, and improve testing, debugging, and code quality in IntelliJ IDEA. Get precise, fast matches with vetted and available freelancers.
Meet FRATCH Experts in Berlin, who have recently used IntelliJ IDEA
Toralf C.
Last position:
IT Consultant in PKI Software Development at BWI
- Implementation of a full-stack application with Angular as frontend framework and Java as backend language
- Use of the Swagger OpenAPI specification for REST communication between frontend and backend applications
- Control of a card printer via the Nexus Card SDK framework
- Design and implementation of card management software with web interface and JavaFX module for printer monitoring
- Use of Cucumber tests for test automation and creation of test artifacts for testing outside the development environment
- Use of Wireshark for network investigations to analyze the API of a third-party product and to check the REST API of the self-developed software
Imran A.
Last position:
Software Engineer II at LivePerson Germany GmbH
- Led development of 15+ microservices (Java 17, Spring Boot) driving customer interactions; migrated from on-prem to GCP Kubernetes, improving scalability and reducing infra cost by 20%.
- Optimized user services with CouchDB caching and API refactoring, cutting response times by 35% and enhancing customer experience.
- Implemented canary deployments, FluxCD GitOps, and CI/CD optimizations in GitLab, reducing release lead time by 25% and enabling zero-downtime rollouts.
- Set up Grafana health checks and Anodot alerts for latency, error, and throughput monitoring, reducing MTTR by 40%.
- Built secure APIs using OAuth2, DPoP, and Gatekeeper, integrated REST and GraphQL, and achieved 90%+ test coverage with unit and E2E tests.
- Mentored junior developers, promoted Agile best practices, and collaborated cross-functionally to deliver high-impact, reliable customer-facing features.
Ola V.
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Mohsin H.
Last position:
BBM GenAI MiDAS program coordinator for Bosch eBike at Robert Bosch GmbH
The MiDAS program aims to integrate Generative AI across the entire BBM organization. My role is to enable the eBike division to adopt and leverage Generative AI by collaborating closely with the MiDAS team in India.
Management:
- Enable the eBike division to adopt GenAI through tailored solutions.
- Collaborate with the MiDAS team in India to design solutions for Generative AI use cases specific to the eBike division.
- Coordinate with the eBike teams to integrate GenAI systems, tools, plugins, and services provided by the MiDAS team.
- Plan roadmaps with eBike and MiDAS India team Product Managers for the delivery and integration of Generative AI solutions.
Mark W.
Last position:
Independent IT/AI Consultant at Freelance
- IT consulting, coaching, and implementation with a focus on AI
Taha H.
Last position:
Senior Salesforce Developer at Eurofiber
- Implemented Service Tickets functionality for the HOLAWAL Partner Portal, taking full ownership of the epic from architectural design to delivery
- Conducted stakeholder meetings, defined solution approach, and developed a reusable dynamic LWC component that enables configurable flow creation through JavaScript file settings
- Implemented the IP-VPN workflow as a new business product and managed its end-to-end delivery using Salesforce Communication Cloud
- Designed and developed a customer-facing quoting mechanism enabling external customers to view and accept quotes seamlessly
- Localized and enhanced the customer portal by implementing Dutch translations, improving usability and engagement for a major Dutch client
- Designed a quote request submission flow for the customer portal using Balsamiq wireframing tool, ensuring all required details were captured upfront
- Developed an order form flow using Lightning Web Components to capture products, linked services, and service locations
- Configured Salesforce Industries CPQ by modifying existing products, adding new attributes, and implementing validations to enhance product customization and accuracy
- Implemented Apex mocking using the FFLIB library to build efficient, maintainable, and high-coverage test classes
Nikunjkumar P.
Last position:
Senior Java Backend Developer at Questax Professionals GmbH
- Provide the Price Listing Service team with prices for all cars and vans in different markets
- Adapt market-specific requirements such as taxes, government subsidies, campaigns
- Import and synchronize new prices for all new and existing cars and store them in the Redis datastore
- Support our product and on-call duty
- Daily business, development of new features, bug fixing
- Pair programming, code review, mob programming
- Develop POCs for new ideas
- Maintain and extend the backend
- DevOps tasks
- Run Kubernetes updates
- Adjust and further develop Kubernetes resources
- Develop and adapt Helm charts
- Adapt and update ArgoCD
- Maintain, adapt, and improve CI/CD
Yahya S.
Last position:
Odoo Software Developer & Consultant at KNAUER Wissenschaftliche Geräte GmbH
- Planning and implementing tailored Odoo ERP solutions to support and optimize specific business processes
- Configuring and customizing Odoo modules according to individual customer requirements, including process automation and data integration
- Training and supporting end users and administrators to ensure full use of Odoo features and to enhance user skills
- Providing ongoing post-implementation support, including troubleshooting, maintenance and updates to adapt to new business requirements
- Migrating data and integrating external applications into Odoo environments for a seamless, unified data landscape
- Analyzing and improving existing Odoo systems to boost efficiency and optimize the user experience
Ursula R.
Last position:
Sabbatical with Training at Own Sabbatical
Neil P.
Last position:
Software Engineer at AKDB
- Maintenance, further development, modernization and testing of the OK.VERKEHR specialist application, a monolithic Enterprise Java solution (with approx. 3,5 Mio LOC) for vehicle registration and driving license authorities
- Design, development, testing and maintenance of end-to-end workflows (dialogs, backend services and persistence layer, test suite) for new driving license applications, changes/extensions to driving licenses, management of parking permits and truck driver cards
- Development and maintenance of web services for communication between local traffic authorities and the Federal Motor Transport Authority, FAER register, TÜV testing centers and driving schools
- Performance optimization and targeted refactoring for the future migration to a cloud architecture and the addition of a new web client (Vaadin)
- 3rd-level support for customers during ongoing operations
Andrej B.
Last position:
Lead UX Design Engineer at Journexx GmbH
- Leading, designing, and developing the UX and UI strategy and implementing it for the platform
- Creating style guides and design systems in Figma
- Creating a generic end-to-end layout structure for big data cockpits in Figma and Sass (CSS, design tokens)
- Workflows, wireframes, user research, and rapid prototyping
- Preparing and facilitating workshops and discoveries
- Integrating designs and layouts into existing frontend templates
- Prototyping (low-/mid-/high-fidelity) of various apps for journalists and publishers
- Developing showcases for iOS and Android, design thinking, qualitative and quantitative user testing, and A/B testing
- Frontend development in close collaboration with design teams
- Active change management in the publishing and journalism sector and with stakeholders
- Company-wide communication and info hub for teams
- Raising awareness and getting buy-in for digitalization and new products
- Creating concepts and designs for gamification elements on the platform
- Convincing major industry players (e.g., WAN-IFRA) about new concepts and revenue streams
- Developing new cloud-native apps and revenue strategies
- Preparing and creating various materials for change processes
- Creating presentations, mini-apps, and info materials to support change campaigns
- Leading a total of three teams
Sara A.
Last position:
Research Associate and Data Scientist at National Center of Robotics and Automation - Condition Monitoring Lab
- Developed ASR and TSR-based speech processing pipelines on AWS, enabling efficient feature extraction and scalable deployment for speech and text analytics.
- Built a Multimodal Speech Emotion Recognition system combining NLP and deep learning (audio + text), achieving 98% accuracy and supporting real-time, cloud-based inference.
- Designed and optimized end-to-end model training and evaluation workflows using AWS services (S3, EC2, Lambda) to ensure performance, reliability, and reproducibility.
- Created and deployed interactive, user-friendly dashboards for data visualization and insight generation, supporting research teams and management in data-driven decision-making.
Daniel C.
Last position:
AI Engineer at EMLI GmbH
- Development and deployment of AI/ML models to support research, production, and QC processes in GxP-regulated life science environments
- Building scalable MLOps infrastructures for the production use of AI solutions in regulated areas, including cloud architectures and data pipelines
- Regulatory compliance and validation according to GAMP 5, EU AI Act, and data integrity requirements, including audit trail-compliant documentation
- Interdisciplinary project management in AI and digitalization projects: coordinating stakeholders, budget responsibility, client communication
- Data engineering and integration: analyzing diverse production data, ensuring data quality, and integration into validated systems
Sandeep G.
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%.
Jens F.
Last position:
Senior PHP Developer at Own Project
- Developing an app that reflects the stock portfolio
- Environment: Laravel 12, PHP 8.4, MySQL, Git, IntelliJ, GitHub, AlpineJs, TailwindCss
Discover over 15,000 top freelancers
Statistics of experts using IntelliJ IDEA
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 19 years)

Position duration
2.3 years (Germany: 2 years)

Positions per freelancer
11 (Germany: 14)

Top business areas
Information Technology, Product Development, Project Management

Top industries
Information Technology, Education, Manufacturing

Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 92%)
Master's degree or higher
57% (Germany: 52%)
Doctorate
7% (Germany: 8%)

Certifications per freelancer
2

Most common languages
German, English, French

Speak two or more languages
90% (Germany: 95%)
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 Berlin 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 Berlin using IntelliJ IDEA
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.
IntelliJ IDEA 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 (40%)
- Manufacturing (40%)
- Automotive (30%)
- Banking and Finance (30%)
- Transportation (30%)
- Media and Entertainment (30%)
- Professional Services (30%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What IntelliJ IDEA does
IntelliJ IDEA is JetBrains’ integrated development environment for Java, Kotlin, and JVM-based software. It combines code editing with project navigation, refactoring, debugging, testing, version control, and build automation. Teams use it to create backend services, APIs, desktop applications, and enterprise systems.
Languages and frameworks
The core experience supports Java and Kotlin, with strong tooling for frameworks such as Spring, Spring Boot, Jakarta EE, Quarkus, and Micronaut. Depending on the edition and project setup, professionals also work with JavaScript, TypeScript, SQL, HTML, and CSS. IntelliJ IDEA connects these languages inside one project model.
Ecosystem and tooling
Experts configure IntelliJ IDEA around the tools already used by a delivery team. Common integrations include Maven, Gradle, Git, GitHub, GitLab, Docker, Kubernetes, databases, and continuous integration workflows. They also use inspections, code actions, live templates, profilers, remote debugging, and plugins to make the workspace fit the codebase.
- Set up multi-module Maven or Gradle projects
- Configure Spring Boot run and debug profiles
- Connect Git workflows, databases, and container tooling
- Standardize inspections, formatting, and shared settings
When companies bring in experts
Companies seek freelance IntelliJ IDEA expertise when a team is moving a large Java codebase, adopting Kotlin, or rebuilding its development workflow. A specialist can resolve slow indexing, broken project configuration, difficult debugging sessions, and inconsistent local environments. In Berlin, remote collaboration is common, while on-site work can help during migrations, workshops, or team enablement.
- Migrate projects between build systems or IDE setups
- Improve test discovery and debugging workflows
- Introduce shared project settings for distributed teams
- Support code reviews and refactoring of legacy modules
What strong professionals deliver
Strong professionals understand both IntelliJ IDEA and the systems behind the code. They can trace an issue from an IDE inspection through a build, test, dependency, or runtime problem. Look for clear setup documentation, reproducible configurations, thoughtful use of inspections, and practical knowledge of Java or Kotlin build pipelines. German or English communication may matter depending on the Berlin team.
Choosing the right specialist
Match the assignment to the project’s language, framework, build tool, and delivery stage. A professional focused on Spring Boot services may differ from one needed for Kotlin multiplatform work or enterprise Java migration. Ask how they diagnose IDE and build issues, protect team consistency, and measure improvement through faster feedback and fewer configuration errors.
Frequently asked questions
Questions about IntelliJ IDEA? Start with the answers below.
IntelliJ IDEA is an integrated development environment used to write, test, debug, and maintain software, especially Java and Kotlin applications. It supports project navigation, refactoring, version control, build tools, databases, and framework integrations in one workspace.
IntelliJ IDEA offers deep project analysis, refactoring, debugging, and framework support for JVM projects. Eclipse remains a capable Java option, while Visual Studio Code is a lighter, highly extensible editor that often requires more extensions and configuration for comparable workflows.
A strong IntelliJ IDEA professional usually brings Java or Kotlin expertise plus Maven or Gradle, Git, automated testing, and debugging skills. Knowledge of Spring Boot, databases, Docker, continuous integration, and code quality tools is valuable when the assignment involves a complete delivery workflow.
The required experience depends on the codebase and the outcome expected from IntelliJ IDEA work. Basic setup may need focused configuration skills, while IDE standardization, legacy migration, and performance diagnosis call for a professional who understands the build system, framework, tests, and runtime environment.
Yes. IntelliJ IDEA configuration, code reviews, debugging sessions, and documentation can usually be handled remotely through shared repositories and video collaboration. On-site work may be useful for workshops, development-environment rollouts, or teams that need close coordination in Berlin.
Ask an IntelliJ IDEA professional to explain how they would reproduce a setup, diagnose a slow project, or resolve a build and test mismatch. Review examples of shared settings, onboarding documentation, refactoring decisions, and improvements to the team’s feedback cycle.
IntelliJ IDEA has strong Kotlin support alongside its Java tooling, including inspections, refactoring, debugging, testing, and framework integration. The right specialist should understand Kotlin language features and how Kotlin projects interact with Gradle, Java libraries, and JVM deployment.
The choice between IntelliJ IDEA Community Edition and the paid Ultimate edition depends on the project’s language and framework needs. IntelliJ IDEA Ultimate adds broader support for enterprise frameworks, databases, web technologies, and application servers, so the specialist should assess the required integrations before setup.
The average hourly rate of freelancers in Berlin, Germany who have used IntelliJ IDEA in their recent projects is 91 €, which corresponds to a daily rate of about 729 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used IntelliJ IDEA in their recent projects, 100% hold at least a Bachelor's degree, 57% hold at least a Master's degree, and 7% hold a doctorate.
On average, freelancers in Berlin, Germany who have used IntelliJ IDEA in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Berlin, Germany who have used IntelliJ IDEA in their recent projects are German (95%), English (90%), and French (20%).
The most common industries among freelancers in Berlin, Germany who have used IntelliJ IDEA in their recent projects are Information Technology (100%), Education (40%), and Manufacturing (40%).
The most common business areas among freelancers in Berlin, Germany who have used IntelliJ IDEA in their recent projects are Information Technology (100%), Product Development (90%), and Project Management (55%).
Main locations of FRATCH Experts, who have recently used IntelliJ IDEA
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.
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