IntelliJ IDEA Experts in Hamburg
, matched in minutes from over 15,000 CVs with the power of AIHire experts who configure IntelliJ IDEA for productive Java and Kotlin work, streamline Spring Boot development, and improve testing, debugging and code quality. FRATCH matches you quickly with vetted, available freelancers suited to your project.
Meet FRATCH Experts in Hamburg, who have recently used IntelliJ IDEA
Niko S.
Last position:
Developing Architect, Technical Lead "gridlytics" at HH Energienetze
- Building a data integration platform for high, medium, and low voltage assets for contextual analysis of time series with master data from the SCADA control system (IEC 60870 104), INIS, and SAP.
- Responsibility for the architecture and implementation of the solution, as well as sparring partner for the Product Owner.
- Use of Kotlin, Spring Boot, Maven, TimescaleDB, PostgreSQL, liquibase, Elements IoT, Docker, Kubernetes, Grafana, Python, jupyter, and various API gateways.
Rolf G.
Last position:
Developer & Designer at Sicherheitsbehörden
- Migration of a case management system with numerous interfaces to other systems from Spring and Activiti to a Java JEE application
- Further development toward a cloud application
- Consulting, development, requirements analysis, specification and design
- Coordination with upstream and downstream systems
- Data modeling, programming and implementation
- Support with code reviews and ensuring clean code in the PL/SQL context
- Documentation in Confluence
- Troubleshooting of PL/SQL applications, including log analysis, session tracing and performance profiling
- Optimization and tuning measures in the PL/SQL environment
- Knowledge transfer and onboarding of new employees
- Use of Jira for task management, progress tracking and sprint planning
Maciej W.
Last position:
Senior Software Engineer at EQS Group GmbH
- Further development of the compliance products
- Responsible for the Senior Software Engineer role
- Team size: 5 - 15 people
- Tools: TypeScript, Angular 18, Node.js, Nest.js, AWS, Kubernetes/Helm Charts/Docker, GitLab (CD/CI), Elasticsearch, MySQL, OpenAI, Java, RabbitMQ
Daniel S.
Last position:
Senior Software Engineer at energielenker solutions GmbH
- Designed and implemented a Python-based ETL pipeline with the Dagster framework to transform raw energy data from heterogeneous sources using InfluxDB and visualizations in Grafana
- Defined time-based and dependency-based jobs
- Deployed to managed Kubernetes clusters using Helm
- Integrated InfluxDB Cloud
- Prepared data for use in Grafana, including cleaning, normalization, and time-based resampling in Python
- Developed dashboards and visualizations in Grafana
- Developed unit tests with mocking using pytest
- Set up a CI/CD pipeline in GitLab
Technologies: Python, Dagster, InfluxDB, Grafana, pandas, pytest, REST, CI/CD, GitLab, Container, Kubernetes, Helm, Docker, Cloud
Anastasiia K.
Last position:
Senior Test Automation Engineer at E.ON
- Reviewing functional and technical requirements from a testing perspective
- Creating test cases and automated tests to validate requirements
- Performing manual and automated functional, end-to-end, and regression tests
- Documenting test results and tracking defects
- Using models like GPT-4, BERT, and Hugging Face Transformers for automated test case generation, analysis of test results, and improving test coverage, including bias checks and security reviews
- Techs: MS Office, Jira, Zephyr, Confluence, Tosca, stakeholder communication, Agile, Kanban, Scrum, OpenAI API, Hugging Face, PyTorch, LangChain.
Ă–zgĂĽr E.
Last position:
Senior Software Developer at Cubic Transportation Systems
- Designed, implemented, and deployed two new microservice components, enabling new business functionalities and supporting regulatory compliance for enterprise clients.
- Ensured business continuity and system reliability within a high-transaction, microservice-based environment, taking ownership of backend systems under dynamic business conditions.
- Identified and refactored inefficient implementations, applying cost-benefit analysis to optimize performance, maintainability, and code quality.
David A.
Last position:
Senior SAP Commerce Cloud Developer at Freelancer
- Integration of SAP Commerce Cloud with SAP Cloud for Customer
- Creation and execution of unit and integration tests
- Error analysis and bug fixing
Taher S.
Last position:
DevOps Engineer at Confidential
- Working with developers, security, and operations teams to align requirements
- Supporting product owners and development teams in using logging and monitoring solutions based on the Elastic Stack
- Developing and standardizing log schemas as well as defining practical standards for observability
- Designing and further developing logging architectures for complex, distributed multi-tenant environments
- Connecting application and infrastructure logs as well as security tools and metrics
- Optimizing data flows and modeling for analysis and reporting purposes
- Building automated infrastructures using Terraform/Terragrunt and Ansible
- Maintaining and further developing CI/CD pipelines in GitLab as well as automated development environments in Hetzner Robot
- Operating and automating Proxmox clusters including Ceph storage
- Setting up and operating Kubernetes (k3s) clusters on Fedora CoreOS including base services such as Vault, OpenLDAP, and HA Proxy
- Implementing security-critical infrastructures according to BSI baseline protection and securing existing systems
- Supporting the operation of solutions in cloud environments (including AWS)
- Working in agile teams using Scrum and Kanban
- Technologies/ applications: Elastic Stack (Elasticsearch, Logstash, Beats/Elastic Agent, Kibana), Terraform, Terragrunt, Ansible, GitLab CI/CD, GitOps, Proxmox, Proxmox Ceph, Kubernetes (k3s), OpenShift, Helm, Kustomize, Vault, OpenLDAP, HA Proxy, Hetzner Robot systems, AWS, Prometheus, Grafana, Syslog Linux/Windows, Docker, NGINX, Apache Security & Compliance (BSI baseline protection, SIEM/SOC)
Florian F.
Last position:
Solution Architect with Developer Focus at SymFinIT Solutions GmbH
- Further development of a finance layer for subscription and one-time purchase billing and accounting.
- Technologies: Kotlin, AWS (SQS, S3, ElastiCache, Aurora), React, TypeScript, Coroutines, IntelliJ IDEA, Spring (Boot, Data, WebFlux), JUnit, Testcontainers, Cucumber, Liquibase, PostgreSQL, Webservices (REST), R2DBC, OpenAPI 3, Gradle, GIT, Docker, Netty, GitHub Actions, Jira/Confluence, arc42
JĂĽrgen B.
Last position:
Software Developer at Inform AG
- Coaching junior developers
- Further development and customer-specific extensions of a standard software product (microservices (DDD) and partly monolith)
- Interface extensions
- Web services
- Test automation
- Design
- Technologies used: Java8, Java17, TypeScript, Python, PostgreSQL, Spring (Integration, Data, Boot), JPA, AWS (Cloud, Lambda, EC2, SQS/SNS), Microservices, Fitnesse/Cucumber, Gitlab
Kwesi D.
Last position:
Test Analyst at Deutsche Bahn (via PAR GmbH)
- Analyze business processes to evaluate test automation
- Develop and execute automated tests (Web & Mobile)
- Perform manual tests to cover non-automated areas
- Handle bug fixing, reporting, and documentation of all test results
- Coordinate with teams and product owners for test optimization and requirement analysis
- Conduct component tests, system tests, and migration tests
- Create monitoring reports and error analyses according to process guidelines
- Participate in the team for Deutsche Bahn’s new DB Navigator app during the software reorientation; responsible for new workflows, modern design, and replacing the old systems
- Tools: Appium, Selenium, Cucumber, Android Studio, IntelliJ, GitLab, Instana, Java, iOS, CSS
Sven B.
Last position:
Frontend Developer at TQGG
- Reimplementation of the ESN.com online shop with Shopify's Hydrogen and Remix
- Headless CMS Contentful integration via GraphQL
Christian H.
Last position:
Software Developer / Lead Developer at dpa (Deutsche Presse Agentur GmbH)
- Contributed to the development of the Rubix editorial system
- Implemented various microservices based on Java, AWS S3, AWS SQS, AWS SNS, and Spring Boot, deployed to AWS ECS and AWS Fargate
- Designed and developed AWS Lambdas using TypeScript
- Used PostgreSQL in an AWS RDS Aurora cluster and AWS DynamoDB
- Implemented continuous deployment with GitLab pipelines
- Built an Infrastructure as Code environment with AWS CDK
- Set up and maintained a monitoring platform using AWS CloudWatch
- Developed various frontend components with Vue.js
- Designed the microservice architecture applying Domain Driven Design and GraphQL interfaces
Johannes E.
Last position:
Libri GmbH
- Operation and further development of the inventory system for booksellers (Quimus). It is an in-house development by Libri that is sold to customers as Software as a Service. The software is developed in an agile way by two developer teams (about 5 developers each). The software consists of around 25 Java microservices that mainly communicate via messaging and share a common Angular frontend. The application runs on Kubernetes in AWS.
- Technologies used: Java 17 & 21, Spring Boot 2 & 3, Hibernate, MySQL, Spring Cloud AWS, Lombok, AWS SQS, AWS SNS, AWS RDS, AWS S3, DynamoDB, Kubernetes, Docker, OpenSearch, Hibernate Search, Liquibase, Gradle, Terraform, Helm, GitLab CI, Keycloak OAuth2, TypeScript, Angular
- My focus until December 2023: Connecting additional POS systems to the inventory system. Connecting the data warehouse for report display. Extending existing features (goods receipts, invoicing, item management, ...). Operations and DevOps tasks.
- Focus from January 2024: Extracting the product search from the inventory system into a global service to use in other applications. Integrating the product search into the booksellers' online shops (also run by Libri). Importing and providing digital items in the product search.
Bilal O.
Last position:
Test Analyst / Test Engineer at von der Qualidence Consultancy GmbH
- Manual acceptance testing of web and Swing clients as well as mobile applications across different teams/products
- Requirements management, test analysis, and submission of review results
- Preparation and execution of smoke, regression, and user acceptance tests
- Test case design using test design techniques for user stories with acceptance criteria in XRay; import of Excel test sheets into Jira XRay
- Creation, preparation, and execution of API tests with Postman and documentation in Jira XRay
- Taking on greenfield projects for the acceptance of the web app
- Proactive collaboration with the team (developers, POs, and test manager)
- Acceptance of development and deployment of content elements on the web with TYPO3 CMS
- Tools used: Jira + XRay, Postman, Confluence, web & Swing applications, mobile app, BrowserStack, Figma, Robot Framework, Excel
Discover over 15,000 top freelancers
Statistics of experts using IntelliJ IDEA
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 19 years)
Position duration
1.7 years (Germany: 2 years)
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Retail, Transportation
Certification focus areas
Information Technology, Quality Assurance, Logistics
Bachelor's degree or higher
87% (Germany: 92%)
Master's degree or higher
40% (Germany: 52%)
Doctorate
13% (Germany: 8%)
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
83% (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 Hamburg 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 Hamburg 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%)
- Retail (61%)
- Transportation (44%)
- Banking and Finance (39%)
- Healthcare (39%)
- Professional Services (33%)
- Manufacturing (28%)
- Media and Entertainment (28%)
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 related technologies. It combines code editing, refactoring, debugging, testing, build management and version control in one workspace. Teams use it to create backend services, business applications, desktop software and large enterprise systems.
Core ecosystem
The IDE supports Java and Kotlin as first-class languages and connects closely with Spring, Spring Boot, Gradle, Maven, JUnit, Docker and database tools. Professionals also work with Git, GitHub, GitLab, application servers and cloud runtimes through built-in integrations or plugins. The right setup depends on the project’s language mix, build process and delivery pipeline.
Typical project work
- Configure IntelliJ IDEA for Java, Kotlin or mixed-language repositories
- Build and maintain Spring Boot services and REST APIs
- Set up Gradle or Maven projects, test suites and run configurations
- Improve refactoring, static analysis and debugging workflows
- Connect local development with containers, databases and cloud services
When companies need specialists
Companies often bring in freelance IntelliJ IDEA specialists when a codebase is difficult to navigate, onboarding takes too long or the IDE and build tools behave inconsistently across a team. They can also help during migrations from Eclipse, new Kotlin initiatives, Spring Boot modernization or the introduction of shared coding standards. In Hamburg, local product, logistics, commerce and industrial teams may value on-site workshops alongside remote delivery.
What strong professionals bring
Strong professionals understand more than menus and shortcuts. They can diagnose build configuration issues, tune indexing and inspections, design reliable run and debug configurations, and connect IDE workflows with CI pipelines. They read the underlying Java or Kotlin code, understand dependency management and use refactoring safely across complex repositories.
Choosing the right fit
Look for evidence of work with the project’s Java or Kotlin version, framework stack, build tool and testing approach. Ask how the specialist handles legacy modules, plugin conflicts, code review standards and reproducible local environments. For remote collaboration, agree on repository access, documentation and communication in advance; German or English may be relevant for teams in Hamburg.
Frequently asked questions
The facts hiring teams ask for most often when it comes to IntelliJ IDEA.
IntelliJ IDEA is used to write, test, debug and maintain Java and Kotlin software. It also supports Spring Boot services, Gradle and Maven builds, databases, version control, containers and many other development workflows.
IntelliJ IDEA offers deep Java and Kotlin analysis, refactoring and framework integration out of the box. Eclipse remains a strong Java option, while Visual Studio Code is lighter and highly extensible; the best choice depends on project complexity, team habits and required plugins.
A strong IntelliJ IDEA specialist should understand Java or Kotlin, Git, Gradle or Maven, automated testing and debugging. Experience with Spring Boot, databases, Docker and CI pipelines is useful when the IDE is part of a wider delivery process.
The required experience depends on the task. A simple workspace setup may need focused IDE knowledge, while migration work, large refactoring or build troubleshooting requires someone who understands the application architecture and its Java or Kotlin dependencies.
Yes. IntelliJ IDEA projects are well suited to remote collaboration through Git, shared documentation, code review and screen-sharing sessions. Hamburg companies should clarify access, meeting expectations and whether communication must be in German, English or both.
A IntelliJ IDEA specialist can assess project metadata, import settings, map keybindings and standardize run configurations. They should also document differences in inspections, formatting, plugins and build execution so the team adopts the new workflow consistently.
Ask for concrete examples of repository setup, refactoring, debugging or IDE migrations involving a comparable stack. A quality specialist explains trade-offs clearly, avoids relying on personal shortcuts alone and leaves behind documented, reproducible team settings.
IntelliJ IDEA has strong Kotlin support and integrates closely with Spring Boot workflows. A specialist can configure Gradle or Maven, navigate dependency injection, run targeted tests, debug services and connect local work with containers or external databases.
The average hourly rate of freelancers in Hamburg, Germany who have used IntelliJ IDEA in their recent projects is 85 €, which corresponds to a daily rate of about 676 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used IntelliJ IDEA in their recent projects, 87% hold at least a Bachelor's degree, 40% hold at least a Master's degree, and 13% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used IntelliJ IDEA in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.7 years.
The most common languages among freelancers in Hamburg, Germany who have used IntelliJ IDEA in their recent projects are German (94%), English (89%), and French (11%).
The most common industries among freelancers in Hamburg, Germany who have used IntelliJ IDEA in their recent projects are Information Technology (100%), Retail (61%), and Transportation (44%).
The most common business areas among freelancers in Hamburg, Germany who have used IntelliJ IDEA in their recent projects are Information Technology (100%), Product Development (89%), and Quality Assurance (72%).
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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