Spring Boot Experts in Essen
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Meet FRATCH Experts in Essen, who have recently used Spring Boot
Boris Solos
Last position:
Generalist expert for software development at Mercor
- Training the AI models, evaluating images and texts for UI/UX, turning the provided data into insights via OpenAI Feather as part of the machine learning workflow
Technologies: OpenAI Feather
Celil Uzunel
Last position:
ZÃœRS Geo 2021 at adesso SE
- Frontend development
- Spring Boot
- Swagger
- Git
- GitLab
- SonarQube
- Docker
- Maven
- Java
- Angular
Björn Wilmsmann
Last position:
Software Audit and Architecture Consulting: Portal Software
- I carried out a software audit and architecture consulting for an existing portal software for infrastructure provisioning for a company that offers virtual reality environments.
- Role: Mentoring and consulting
- Technologies used: Java
Adem Susam
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Dmitrii Suhanov
Last position:
Senior Developer/Team Lead at Devexperts
Project Livebash (2021-12-01–2023-12-31)
Development and design of the core system
Code reviews
Developer management
CI/CD
Client communication
Leading epics
Speaking at conferences
Managing the production system
Interviewing project developers
Outcome: production system
Technologies and tools: Java 11, Java 17, Kotlin, Spring Boot, TeamCity, Gradle, AWS DynamoDB, JUnit, Mockito, Docker, Docker Compose, AWS SQS, AWS EC2, AWS S3, AWS MediaLive, Ethereum, Postman
Project Robinhood (2024-01-01–2024-05-31)
Customization and development of product features for specific clients
Interviews with project developers
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Projects Sway, Tickmill, Pepperstone, UCapital (2024-06-01–present)
Customization and development of product features for specific clients
Bug fixes
Porting tickets from the product
Feature development
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Nils Schneider
Last position:
Backend system and web client for exchanging electricity meters for utility providers at Freelance
Design and implementation of a system to control the entire process for new, removal, and exchange operations of electricity meters by external service providers for a utility company
Automated retrieval of orders and available devices via defined interfaces (e.g. from SAP)
Orchestration of process steps (assigning meters, processing meter data, sending updated information back to the source system) using a Spring Boot backend
Provision of a React-based web client for operational tracking and control of orders, e.g. to continue failed process steps or resend notifications
Hamza Sohail
Last position:
Software Developer at WaslSign
- Designed and implemented the system architecture for scalable document workflows, improving stability and performance.
- Optimized the login flow with TOTP-based MFA, reducing complexity and login time by 35%.
- Built secure backend APIs for document upload, signing, and management.
- Developed encrypted file handling with AWS S3 pre-signed URLs, ensuring GDPR-compliant data protection.
- Implemented JWT-based role authentication, strengthening access control and overall platform security and reducing code and database complexity.
- Optimized database queries and caching using ORM, reducing API response time by 40%.
- Integrated real-time webhook updates, enhancing workflow transparency and user experience.
Jan-Niklas Freundt
Last position:
Founder at Freundt Consulting GmbH
- Porsche AG (2018 – 12/2019): Design and development of native iOS apps in motorsport/Formula E (e.g. travel app and enterprise warehouse management with SAP integration) and e-mobility (Porsche Taycan; development of a native Microsoft Excel data export).
- StarFinanz / Sparkasse (05/2019 – 07/2021): Worked on the banking app (FinTS, HBCI, PSD2, Apple Pay); implemented Apple Pay; implemented a new TAN method; worked with the FinTS backend (PSD2); opened bank accounts via app (eID, VideoID, Authada); designed a new, modern banking experience.
- eBay Classifieds and Adevinta (07/2021 – 06/2023): Packaging & Pricing (premium features for business customers): e.g. markdown; company page; advertising options; multi-tenant design system based on SwiftUI and UIKit.
- Maschinensucher (07/2023 – 12/2023): Fullstack mobile (Android, iOS) and backend (PHP, Yii, Elastic Search) development; implemented search agent push notifications, InstantSearch, and modernized the design.
- Bankverlag (02/2024 - Present): Consulting and fullstack development of white-label apps (iOS / Android / Java Spring Boot) for private banks.
Discover over 15,000 top freelancers
Statistics of experts using Spring Boot
Aggregated from the professional profiles of matched freelancers.
Experience
14 years (Germany: 17 years)
Position duration
1.9 years
Positions per freelancer
11 (Germany: 12)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Manufacturing
Bachelor's degree or higher
100% (Germany: 95%)
Master's degree or higher
67% (Germany: 55%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 96%)
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 Essen 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 Essen using Spring Boot
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 it is
Spring Boot is the Spring framework’s way to build Java services with less setup and faster delivery. It is used for backend systems, APIs, and cloud-ready applications where teams want clear structure and solid defaults.
Where it fits
It is a common choice for systems that need reliable business logic, secure access, and easy integration with databases or external services.
- REST APIs and web backends
- Microservices and modular services
- Internal tools and admin systems
- Batch jobs and event-driven components
Core stack
Strong specialists know the wider Spring ecosystem, not only Spring Boot. That usually includes Spring MVC, Spring Data, Spring Security, Spring Cloud, Actuator, Maven or Gradle, and testing with JUnit and MockMvc. They also know how to keep configuration clean and production-friendly.
When to bring in help
Companies often look for freelance expertise during a migration, a new service launch, or when a codebase needs stability fast. In Essen, this is common for teams that work with enterprise systems, industrial software, logistics, or integrations that must fit existing Java landscapes.
- New Spring Boot service needs a solid base
- Existing application needs refactoring or cleanup
- Security, performance, or deployment issues need attention
- Team needs help with Spring Boot, tests, or release setup
What strong experts do
A good Spring Boot professional writes readable service layers, keeps configuration simple, and avoids hidden complexity. They design APIs that are easy to maintain, package applications for modern deployment, and handle error cases, logging, and observability with care.
How to judge fit
Look for people who can explain how they structure controllers, services, repositories, and tests. They should be comfortable with dependency injection, profiles, database access, and troubleshooting startup or runtime issues. For remote work, clear communication matters just as much as code quality.
Frequently asked questions
Before you brief your next project: the most common questions about Spring Boot.
Spring Boot is mainly used to build backend services, REST APIs, and microservices in the Java ecosystem. It also fits internal tools, batch processing, and integrations with databases, queues, or external systems. Teams choose it when they want a stable structure with less configuration overhead.
Spring Boot adds opinionated defaults, auto-configuration, and starter dependencies on top of Spring. That usually means less setup and faster delivery than wiring everything by hand in plain Spring. For most business applications, it is the easier starting point.
A strong Spring Boot specialist usually knows Java well, plus Spring MVC, Spring Data, and Spring Security. Common extra skills include SQL, REST design, testing with JUnit, Docker, and basic cloud deployment. If the system is larger, knowledge of messaging and observability also helps.
A small change or a single service task may need only focused Spring Boot expertise, while a migration or platform redesign needs broader experience. The important part is not only time spent, but whether the person has shipped similar work before. Ask for examples of service design, testing, and production support.
Most Spring Boot work can be done remotely because the main deliverables are code, tests, and deployment support. On-site time can help when the system touches sensitive internal processes, shared infrastructure, or many stakeholders. For Essen-based teams, a mixed setup is often practical.
A good Spring Boot freelancer explains trade-offs clearly and writes code that is easy to maintain. Look for clean API design, sensible test coverage, good error handling, and awareness of security and observability. They should also be able to talk through startup issues, dependency choices, and deployment risks.
Spring Boot is the base for building individual applications and services, while Spring Cloud adds patterns and tools for distributed systems. Teams often combine them when they need configuration management, service discovery, or resilience features across multiple services. A specialist should know when Spring Cloud is useful and when it adds unnecessary complexity.
Not always, because Spring Boot is usually focused on the server side. Frontend knowledge helps when the service team also owns the user-facing application, but it is not required for every backend role. For most hiring cases, stronger API, database, and testing skills matter more.
The average hourly rate of freelancers in Essen, Germany who have used Spring Boot in their recent projects is 85 €, which corresponds to a daily rate of about 680 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used Spring Boot in their recent projects, 100% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used Spring Boot in their recent projects have 14 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Essen, Germany who have used Spring Boot in their recent projects are German (100%), English (100%), and Spanish (25%).
The most common industries among freelancers in Essen, Germany who have used Spring Boot in their recent projects are Information Technology (100%), Banking and Finance (75%), and Manufacturing (50%).
The most common business areas among freelancers in Essen, Germany who have used Spring Boot in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (63%).
Main locations of FRATCH Experts, who have recently used Spring Boot
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 
Dortmund 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
