Spring Boot Experts in Berlin
in minutes with vetted freelancers and precise AI matching.Hire experts who build Spring APIs, microservices, and production-ready backend systems with Spring Boot, Spring MVC, and Spring Security. They also handle testing, deployment, and application hardening, with fast, precise matching to vetted, available freelancers.
Meet FRATCH Experts in Berlin, who have recently used Spring Boot
Rüdiger Schulz
Last position:
Full-Stack Software Engineer / Consultant for Digitalization at ARTEVENT
Designed, built, and launched an internal event planning web application used by over 100 department leads for a large event, despite having no dedicated testing phase.
Ensured smooth, failure-free operation during first production use, leading to the tool being adopted for future events.
Automated catering calculations and related workflows, significantly reducing email communication and manual computation effort for meal planning.
Managed deployment and hosting on a Linux server using Coolify, including application setup and runtime operations.
Hired and guided a communication designer on UX while independently owning all technical decisions and implementation.
Santhosh Kannan
Last position:
Freelance Software Engineer at Zalando SE
- Support Authorization as a Service initiative for enterprise-scale authorization platform
- Incorporate comprehensive observability solutions into authorization infrastructure
- Provision and manage AWS infrastructure for authorization services
- Mentor development team on AWS and Kubernetes best practices
- Tech Stack: Java/Kotlin, Golang, Python, OPA, Spring Boot, AWS, Kubernetes, Terraform, ELK Stack, Prometheus, Grafana
Oleg Abrazhaev
Last position:
Staff Software Engineer at Kpler Germany GmbH
- Delivered a new notifications platform implementation built from scratch to replace existing and upcoming services
- Collaborating with other teams to integrate more domains
Tech stack:
- Data: Scala 3, Apache Kafka, Python, Airflow, Astronomer
- BE-FE: TypeScript, NestJS, Java, Spring Boot, Vue
- Dev-ops: AWS, PostgreSQL, Docker, GitHub Actions, Kubernetes, Helm, ArgoCD
Maciej Rosiek
Last position:
Full Stack Developer (Freelancer) at Runbuggy
- Led development of RunBot AI assistant autonomously using LLM-powered workflow automation (React, TypeScript, Java, MongoDB, NATS)
- Architected TMS platform providing unified transportation management and real-time logistics visibility with AI processing pipelines
- Designed event-driven microservices architecture supporting marketplace
- Drove architectural decisions and technical leadership across full-stack platform development
Imran Ali
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.
Abhiroop Basu
Last position:
Software Engineer III at Foundry Digital
- Developed and deployed microservices in Kotlin and Spring Boot, integrated AWS Secrets Manager to secure credentials and decreased network calls using Spring cache.
- Refactored Kafka consumer using Spring Kafka with semaphore-based backpressure to cap records and keep heap memory stable under spikes; switched to batch upserts to cut down on database invocations; added Testcontainers integration tests for Kafka and database to pave the way for future changes.
- Automated the financial reconciliation workflow in Spring Boot (Kotlin) using Spring Scheduler, transactional boundaries, JPA/Hibernate on MySQL, and Flyway migrations, saving the accounts team 16+ hours per week.
- Designed and dockerized payments end-to-end test framework in Robot (Python) with reusable keyword libraries and profiles; integrated with GitLab CI (JaCoCo XML and HTML reports) to accelerate releases and lift code coverage to 80%.
- Implemented end-to-end observability on Datadog by instrumenting services with Datadog APM, correlating metrics and logs, provisioning dashboards, and creating monitors with burn-rate alerts and anomalies to harden reliability and give stakeholders clear visibility.
Nune Isabekyan
Last position:
Fractional CTO at OpsWorker
OpsWorker turns Kubernetes alerts into root-cause analyses, on top of the monitoring a team already runs. I lead the technical side: the agent architecture, the AWS infrastructure it runs on (fully inside EU regions), and the engineering decisions behind it, read-only in the cluster by default, human in the loop for judgment. The stack underneath: Amazon Bedrock and Bedrock AgentCore, agents built with the Strands Agents SDK, the Claude and OpenAI APIs, and the Kubernetes API.
Ola Van Dunen
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Ibrahim Hilali
Last position:
Senior Full Stack / AI Engineer at Punktum Digital GmbH
- Context: Healthcare and laboratory teams required faster document analysis, treatment-planning support, and reliable AI workflows for MR/VR-assisted operations.
- Contribution: Built the AI healthcare platform, model/agent workflows, VR-glasses deployment platform, REST APIs, Next.js/React interfaces, and CI/CD pipelines.
- Impact: Delivered a production-ready AI product foundation that improved clinical document review, supported laboratory automation, and made VR fleet deployment manageable across environments.
Tech: TypeScript, Next.js, Node.js, React, Java, Spring Boot, Python, PyTorch, TensorFlow, Docker, PostgreSQL, OpenAPI, GitLab, GitHub Actions.
Ursula Raab
Last position:
Sabbatical with Training at Own Sabbatical
Mario Jelinski
Last position:
Architect / Developer at handyhase
- Overhaul of the entire design and implementation of new UI/UX aspects using React
- Planning of the software architecture and structuring of the project for long-term scalability using Git for version control
Daniel Suszczynski
Last position:
Engineering Leader & AI-Assisted Developer at Independent · Building with AI
- Building a full-stack e-commerce product using AI-assisted development, deliberately returning to hands-on engineering to validate how AI changes software development workflows and team dynamics.
- Exploring VP Technology, Head of Engineering, and Director of Engineering opportunities where hands-on AI experience meets organisational scaling expertise.
- Open to advisory conversations on AI-augmented engineering teams, technology strategy, platform architecture, and organizational design.
- No registered business. No commercial activity.
Qaiser Abbasi
Last position:
Freelance Lead DevOps Engineer at Schwarz Gruppe Produktion
Bootstrapping a CloudOps team and building a multi-cloud provider backend for a low-code Internal Developer Platform (IDP) with env zero
Introducing user story mapping, ADRs, milestones, and backlog management
Designing and developing core APIs, setting up CI/CD pipelines, OpenTofu/Terraform scripts
Representing and communicating the team with third-party stakeholders (e.g. env zero)
(Cross-)team coaching on DevOps, software design, Terraform, Golang, and agile practices
Igor Kazarnovskiy
Last position:
Freelance Software Developer
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
Discover over 15,000 top freelancers
Statistics of experts using Spring Boot
Aggregated from the professional profiles of matched freelancers.
Experience
17 years
Position duration
2.2 years (Germany: 1.9 years)
Positions per freelancer
10 (Germany: 12)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
97% (Germany: 95%)
Master's degree or higher
55%
Doctorate
3% (Germany: 7%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
English, German, Russian
Speak two or more languages
88% (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 Berlin 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 Berlin 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
Spring Boot basics
Spring Boot is a Java framework for building backend services, APIs, and web applications with less setup than the wider Spring ecosystem. It is used for clean service layers, fast startup, and production-ready applications that are easier to maintain.
What teams build
- REST APIs and internal services
- Microservices for distributed systems
- Web applications with Spring MVC
- Batch jobs and scheduled processing
- Secure enterprise backends
Ecosystem skills
Strong specialists work across Spring Security, Spring Data, Spring Web, and Spring Test. They usually know Maven or Gradle, JPA and Hibernate, and how to package and run services with Docker and common cloud setups.
When to bring in help
Companies look for freelance Spring Boot expertise when they need a new service built quickly, a legacy Spring application improved, or a release stabilized before launch. In Berlin, that often means teams that need flexible support for product builds, platform work, or handover to in-house experts.
What good experts do
Good professionals write clear code, keep configuration simple, and make services easy to test. They think about security, logging, error handling, and observability from the start, not as an afterthought.
Common project signs
- The app has grown hard to change
- API design is inconsistent
- Security rules are unclear
- Tests and deployment need structure
- Spring or Spring Boot knowledge is uneven across the team
Frequently asked questions
Quick answers to the questions that come up most around Spring Boot.
Spring Boot is used to build backend services, REST APIs, web applications, and microservices in Java. It helps teams move faster because it reduces setup work and gives a clear structure for configuration, testing, and deployment.
Spring Boot builds on the Spring ecosystem but removes much of the manual configuration that plain Spring often needs. That makes it a better fit when a team wants faster delivery, standard project setup, and simpler production deployment.
A company should bring in Spring Boot expertise when it needs a new service delivered quickly, a legacy system modernized, or a backend stabilized before release. It is also useful when the internal team knows Java but needs deeper Spring knowledge for security, testing, or data access.
A strong Spring Boot professional usually knows Java well and works comfortably with Spring Security, Spring Data, JPA, Hibernate, Maven or Gradle, and Docker. For cloud systems, familiarity with observability, messaging, and CI/CD also helps.
The right level depends on the scope, but Spring Boot work usually needs someone who has shipped production services, not just demo apps. If the project involves security, integrations, or a legacy codebase, you want a specialist who can handle design decisions and trade-offs.
Yes, Spring Boot work is often well suited to remote collaboration because the tasks are code-heavy and documentation-driven. For Berlin teams, a freelancer can work remotely on most backend tasks and come on-site when planning, handover, or tight workshop sessions add value.
Look for clear structure, test coverage, sensible configuration, and code that is easy to extend. In Spring Boot projects, quality also shows up in security, logging, error handling, and whether the service is easy to run in the real deployment setup.
Often yes, because Spring Boot is strongest when used with the wider Spring ecosystem. Depending on the project, that may include Spring MVC for web layers, Spring Security for access control, Spring Data for persistence, and Spring Test for reliable checks.
The average hourly rate of freelancers in Berlin, Germany who have used Spring Boot in their recent projects is 83 €, which corresponds to a daily rate of about 666 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Spring Boot in their recent projects, 97% hold at least a Bachelor's degree, 55% hold at least a Master's degree, and 3% hold a doctorate.
On average, freelancers in Berlin, Germany who have used Spring Boot in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Berlin, Germany who have used Spring Boot in their recent projects are English (93%), German (90%), and Russian (12%).
The most common industries among freelancers in Berlin, Germany who have used Spring Boot in their recent projects are Information Technology (100%), Banking and Finance (50%), and Retail (36%).
The most common business areas among freelancers in Berlin, Germany who have used Spring Boot in their recent projects are Information Technology (100%), Product Development (98%), and Quality Assurance (60%).
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.
Hamburg 
Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Dortmund 
Essen 
Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
