IntelliJ IDEA Experts in Stuttgart
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Meet FRATCH Experts in Stuttgart, who have recently used IntelliJ IDEA
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.
Lothar H.
Last position:
Solution Manager for the investigation PoC and exchange and refinement of an existing cloud and IoT power plant control system at Shell AG and NEXT Kraftwerke GmbH
- Investigation PoC and exchange and refinement of an existing cloud and IoT power plant control solution for certificate management of renewable energy power plants (solar, wind, biomass and others) of the largest European renewable energy power plant operator in this field, including investigation of the IoT devices used in the field and their integration and network connection with the aim of automated PKI key management.
- Messaging with Kubernetes for large API-connected enterprise applications
- Risk and Attack Vector Analysis, Software Quality & Bug Assessments
- Agile Workload Scheduling via Jira & ConJluence
- Evaluation of message streams Pub/Sub for MQ and KaJka.
- Various tests with “best design approaches” regarding resilience patterns such as Circuit Breaker Designs, Throughput Measurement and Monitoring, Bulkhead Governors - for robust EA design
- Integration of API Management with IBMs API Connect to Kubernetes - for agnostic Microservices API Management Designs. Google Apigee
- Solution Health Check Approaches for Load Burst Situations + Remedy
- Research and investigation of available potential subcontractors in the coordinating role as Solution Manager. CIS20 Controls.
- Dread and Stride Security Assessments.
Maik S.
- Development of a new generation of Spring Boot microservices for an archiving system on OpenShift, monitoring, security analyses
Stack: Java, Spring Boot, Kafka, Vaadin, OpenShift 4.x, Maven, Artifactory, Jenkins, Git/Github, GitHub Copilot, GitOps, CI/CD, Kargo/ArgoCD
Robin S.
Last position:
Senior Cloud & Backend Engineer at Media-Saturn-Holding GmbH
- Implementing applications with Kotlin and Ktor as microservices
- Using MongoDB in the MongoDB Atlas cloud
- Asynchronous communication of services via Google Pub/Sub
- Using Kotest and MockK for unit tests
- Developing an administration frontend with TypeScript, React and Express.js
- Provisioning environments in GCP using Terraform
- Implementing CI/CD processes with GitHub Actions
- Operating scalable production and test environments in GCP with Kubernetes, Helm and Flux CD
- Monitoring environments with Prometheus and Grafana
- Providing BI data in the Google BigQuery data warehouse
Benjamin S.
Last position:
Design and implementation of a new cloud service at Porsche AG
- Design of a new cloud service
- Requirements Engineering
- API Design (REST API, Kafka)
- Consulting on architecture, feasibility and effort estimation
- Implementation of a microservice architecture
- Implementation of a Spring Boot web service
- Development of REST APIs including business and persistence logic
- Kafka consumers and producers
- Various Excel upload/download scenarios
- Change Data Capture
- Cloud provisioning with IaC/Terraform
- Go-live with 30,000 users
- Operation, support and bug fixing for other services
Environment/tools: GitLab, JIRA, Confluence, IntelliJ, Spring Boot, Java, Docker, Terraform, AWS ECS, Postgres, Apache Kafka, SAP Datasphere, JUnit, Debezium, Apache POI, Hibernate, JPA, Testcontainers
Achille C.
Last position:
Backend/Frontend Developer at ITZ-Bund
Development of a microservice application for calculating postings on accounts
Development of backend components with Java or JEE, Quarkus, Kafka, Rest API
Development of the test component with mocking frameworks (Mockito)
Development of integration test components
Creation of OpenAPI specification format
Configuration of CI/CD pipeline
Development of frontend components with React
Design, further development and optimization of system structures
Code review
Java Corretto 21, JEE, Quarkus, Golang
Reactive programming with Spring WebFlux, Project Reactor
Git, Azure DevOps for CI/CD pipeline, YAML, Json Swagger UI, Postman, Rest OpenAPI, Kafka Streams, Kafka Connect, Log4J
Microservices, Jira, Confluence, MySQL, Docker, Kubernetes (deployment via Helm charts)
Spring Security, OAuth 2, JWT, Sonarqube
IntelliJ, Maven, logging framework Splunk, Agile method Scrum, Nexus, Vaadin V24, build tool Vite
React, React.JS, Node.js, Jess/JavaScript, Tailwind CSS, Agile method Scrum, accessibility BITV, Playwright
Marcel S.
Last position:
Technical Lead / Lead Developer at REWE digital
- Due to an organizational restructuring towards product-based teams, the implementation of a Data Mesh in the area of Digital Supplier Management (DSM) was decided.
- A highly available real-time Data Mesh for providing large volumes of data via Kafka and REST to other products.
- New development of a core supplier management software in a (micro-)service-based architecture with a modern tech stack.
- Technologies/Tools:
- Java 21
- Spring Boot
- Angular
- TypeScript
- Go
- MapR
- Kafka
- Docker
- Google Cloud Platform (GCP)
- Kubernetes
- Helm
- GitLab CI
- Maven
- JUnit
- Mockito
- WireMock
- Cypress
- Keycloak
- OAuth 2.0 & OpenID Connect
- Humio
- Nexus
- Artifactory
- SonarQube
- Renovate
- Git
- Postman
- IntelliJ
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
1.4 years (Germany: 2 years)
Positions per freelancer
16 (Germany: 14)
Top business areas
Information Technology, Quality Assurance, Product Development
Top industries
Automotive, Banking and Finance, Information Technology
Certification focus areas
Information Technology, Operations, Product Development
Bachelor's degree or higher
100% (Germany: 92%)
Master's degree or higher
43% (Germany: 52%)
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100% (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 Stuttgart 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 Stuttgart 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.
- Automotive (86%)
- Banking and Finance (86%)
- Information Technology (86%)
- Government and Administration (71%)
- Insurance (57%)
- Transportation (57%)
- Manufacturing (57%)
- Retail (43%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What IntelliJ IDEA Is
IntelliJ IDEA is JetBrains’ integrated development environment for Java, Kotlin and related JVM technologies. It combines code editing, navigation, debugging, testing, version control and build tools in one workspace. Teams use it for backend services, enterprise applications, APIs, desktop software and Kotlin-based systems.
Core Capabilities
IntelliJ IDEA understands project structure, types and dependencies across a codebase. Its inspections highlight defects, suggest safe refactorings and enforce consistent code patterns before changes reach review. Strong specialists also configure run profiles, debugging sessions, test execution and database connections for the team’s workflow.
- Configure Maven or Gradle projects and multi-module workspaces
- Set up Java, Kotlin, Spring and application-server tooling
- Connect Git workflows, code reviews and continuous integration
- Tune inspections, formatting rules and shared project settings
Ecosystem And Tooling
The IDE fits closely with the JVM ecosystem, including Java, Kotlin, Spring, Jakarta EE, Micronaut and Quarkus. Professionals work with Maven, Gradle, JUnit, Mockito, Docker, Kubernetes manifests and SQL tools inside or alongside the IDE. JetBrains plugins can extend support for frameworks, cloud services and team standards.
When To Bring In Expertise
Companies often need freelance support when an IntelliJ IDEA setup has become inconsistent, a migration affects many modules or a team is adopting Kotlin. External specialists can resolve indexing and build issues, establish reproducible settings and improve the path from local coding to automated delivery. In Stuttgart, they may collaborate remotely or work with local product and industrial teams when on-site coordination matters.
- Standardize IDE settings across a distributed team
- Migrate projects between Java, Kotlin or build configurations
- Diagnose slow indexing, failed imports or unreliable test runs
- Prepare development workflows for Spring and cloud-native services
Signs Of Strong Specialists
Good IntelliJ IDEA professionals understand the code and build system behind the editor. They can explain why an inspection matters, distinguish an IDE issue from a compiler or dependency problem, and make changes that work for the whole team. Look for experience with clean repository settings, automated tests, version control and documented onboarding.
Project Fit And Collaboration
The required depth depends on the deliverable. A focused configuration task may need strong IDE and build knowledge, while a large refactoring or migration calls for broad JVM, architecture and testing experience. Remote work is practical when repositories, environments and communication are organized; Stuttgart-based collaboration can help when hardware, security or workshop access is part of the project.
Frequently asked questions
Questions about IntelliJ IDEA? Start with the answers below.
IntelliJ IDEA is used to create, test, debug and maintain Java and Kotlin applications. It also supports frameworks such as Spring, build systems such as Maven and Gradle, databases, Git workflows and container configuration.
IntelliJ IDEA offers deep understanding of JVM code, navigation and refactoring with much of that support available in one integrated workspace. Eclipse remains a strong choice for some Java teams, while Visual Studio Code can be a lighter and more flexible editor across many languages; the right choice depends on project complexity, plugins and team preferences.
A strong IntelliJ IDEA specialist should understand Java or Kotlin, Maven or Gradle, Git, automated testing and dependency management. Spring, SQL, Docker, CI pipelines and cloud tooling are also valuable when the IDE is part of a wider delivery process.
A small settings or import issue may only require focused IntelliJ IDEA knowledge and familiarity with the project’s build system. A migration, large refactoring or team-wide workflow needs broader JVM experience, testing discipline and the ability to assess repository-wide effects.
IntelliJ IDEA work is usually well suited to remote collaboration because source code, build files and IDE settings can be shared through repositories and documented environments. On-site work in Stuttgart can still help when specialists must coordinate with hardware teams, restricted systems or face-to-face workshops.
Ask how the specialist has handled build imports, inspections, refactoring, test configuration and shared project settings in IntelliJ IDEA. Request a clear explanation of the likely cause of a sample issue and how the proposed fix would remain stable for the wider team.
IntelliJ IDEA can support code quality through inspections, quick fixes, refactoring analysis, formatting and test integration. It does not replace review, automated checks or sound design decisions, but a well-configured setup makes issues easier to identify and correct early.
Knowledge of IntelliJ IDEA is usually enough for IDE-focused work, but familiarity with JetBrains tools can be useful in some teams. Specialists may also work with Kotlin, TeamCity, YouTrack or plugin development when those tools are part of the delivery workflow.
The average hourly rate of freelancers in Stuttgart, Germany who have used IntelliJ IDEA in their recent projects is 111 €, which corresponds to a daily rate of about 886 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used IntelliJ IDEA in their recent projects, 100% hold at least a Bachelor's degree and 43% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used IntelliJ IDEA in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.4 years.
The most common languages among freelancers in Stuttgart, Germany who have used IntelliJ IDEA in their recent projects are German (100%), English (100%), and Spanish (29%).
The most common industries among freelancers in Stuttgart, Germany who have used IntelliJ IDEA in their recent projects are Automotive (86%), Banking and Finance (86%), and Information Technology (86%).
The most common business areas among freelancers in Stuttgart, Germany who have used IntelliJ IDEA in their recent projects are Information Technology (100%), Quality Assurance (100%), and Product Development (86%).
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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Munich 
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Frankfurt 
Dusseldorf 
Dortmund Countries:
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