Spring Boot Experts in Vienna
matched in minutes by AIHire experts who deliver production-ready Spring Boot services, REST APIs and event-driven applications with Spring Security, Spring Data and cloud-native deployment. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.
Meet FRATCH Experts in Vienna, who have recently used Spring Boot
John A.
Last position:
Software Developer and DevOps Engineer at Bundesrechenzentrum (BRZ)
Refactoring and improving core APIs; implementing client change requests. Setting up metrics, traces, and logs monitoring infrastructure to support operations. Designing GitOps deployment and infrastructure as code. Applications and systems configuration in ArgoCD and Openshift. Confluence documentation of design, approach, and solution. Tech Stack: Java 8 & 21, Spring framework, JSP, JavaScript, Bash scripts, SQL, Grafana Stack, OpenTelemetry, Docker, DB2, Maven, Kubernetes Kompose.
Michail M.
Last position:
OpenShift Specialist, Developer at Insurance
Project goal: Introduce OpenShift as the run-time platform and migrate all applications to OpenShift.
My contribution: Make sure logging and monitoring for the applications were in place. Set up and put into operation the OpenShift components for logging and monitoring (Elasticsearch, Prometheus, and Grafana). Develop and implement the security concept for OpenShift. Work with developers to define and carry out the application changes needed for the OpenShift migration. Integrate monitoring into the applications.
Technical environment: Java, WebSphere Liberty, OpenShift components, Elasticsearch (ELK stack), Prometheus, Grafana.
Alexander V.
Last position:
Senior Cloud & Kubernetes Architect at A.S.E. | Business Solutions for Construction
- Architected and deployed a highly available, multi-tenant Kubernetes platform on Google Kubernetes Engine (GKE) for business-critical microservices.
- Designed and implemented a comprehensive Infrastructure-as-Code strategy using Terraform for managing GKE clusters, networking (VPCs, Subnets), and IAM policies.
- Engineered optimized storage solutions for stateful workloads (MongoDB) using GKE PersistentVolumes, enhancing performance and data resiliency.
- Established a full-stack observability framework using Google Cloud Monitoring, Logging, Prometheus, and Grafana.
Üsame T.
Last position:
Java Backend Developer at Porsche Informatik
- Java EE 8 development
- Java 21 and Spring Boot 3 microservices development
- Release management
- Onboarding of new team members
- Owner of an team-internal "Best Code Engineering Award"
Burak E.
Last position:
Senior Software Engineer at Nürnberger Versicherung
Further development of an insurance product quotation system
- Implementation and maintenance of pricing logic for property and casualty products (accident, property liability, business contents) based on Java and FaktorIPS
- Implementation of actuarial tariff revisions into product-specific calculation models
- Development and refactoring of backend components and web UI components
- Creation and maintenance of test tables and automated premium tests for quality assurance
- Code reviews and active involvement in quality assurance in the development process
- Production support and bug fixing in live operations
Joseph W.
Last position:
Freelancer Cloud / Solution Architect (AWS) at A1 Bank
- I am responsible for providing solution architecture and technical assistance for a migration initiative aimed at transitioning to a new core banking system.
- The project involves replacing in-house development with a commercially available off-the-shelf core banking system operated as SaaS on AWS.
- Duties encompass solution design, technical coordination, supporting development teams, and providing IT support and troubleshooting.
- Managing over 10 global vendors and partners is crucial to project success.
- Technologies: VMWare ESXi, AWS, EKS Kubernetes, Mastercard Payment Transaction Service, Avaloq, A1 Telekom Austria infrastructure, CheckPoint FW, F5, Site-to-Site VPNs, PingID, Futurae SDK, Airlock, UC4/Automic, Firebase, iOS/Android lifecycle management, AWS IAM, AWS AppStream, AWS S3, AWS Transfer Family, QlikView, OpenAPI.
Vladislav F.
Last position:
Senior Test Automation Engineer / Test Manager at Stadt Wien – WUKSEA
- Creating test scenarios, manual test cases and test data using boundary value analysis and equivalence classes
- Executing functional and non-functional tests (manually with Postman and web application, automated with WebDriver, JUnit and NUnit)
- Setting up, automating and maintaining the test automation framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web front-end and SOAP API backend interfaces)
- Automating backend NUnit test cases in Visual Studio
- Test management: developing and implementing test strategy and test plans, controlling tests, quality ownership and prioritizing risk-based tests, as well as maintaining documentation in Confluence
- Detailed analysis and quality assurance of requirements
- Creating and maintaining Jenkins pipelines, ensuring quality in build & deployment
- Close collaboration with business analysts, developers, testers and test management
- Identifying, creating and tracking defects/bugs, with thorough test documentation
- Reporting test results and defect reports
- Monitoring test processes and continuous improvements
- Reviewing test data and test results in PostgreSQL database via pgAdmin
- Supporting effort estimation and backlog prioritization
- Analyzing and debugging development code System environment: Java, JUnit, Spring Boot, Selenium, Cucumber, JavaScript, Jenkins, C#, NUnit, Postman, Bitbucket, Confluence, Jira, xRay, pgAdmin, PostgreSQL, SonarQube, Maven, IntelliJ, Visual Studio, CI/CD, SOAP API interfaces
Attila D.
Last position:
Full-Stack Software Engineer at Research Data Evaluation
- Custom anonymized research data analyzer, providing insights and facilitating data-driven decision-making.
- Designed and developed back- and frontend.
- Delivered end-to-end solution.
- Accelerated research timeline by 2 months.
Javid A.
Last position:
B2B Contract - Senior Fullstack developer (Java + Angular)
- Project: E-Platform with 100k users
- Skills: Java, Spring, Spring Boot
- TechStack: Angular 18, Java 17, Spring Boot, Oracle DB, Spring Data, JPA, Hibernate, Oracle, Postgres, SQL
Maximilian K.
Last position:
Consultant at Specific-Group Austria
IT Seniors | .NET, Java | Freelance & employee possibilities | 80 - 100% Remote in Europe.
Who is the Specific Group?
- Sector: 70% Finance & Fintech - 30% Industry: KTM, Liebherr, Porsche, VW
- Over 20 Scrum teams enable project changes instead of company changes
- Over 200 technical colleagues in Vienna (90% senior colleagues)
- 25 years in the IT market, 11 branches in Europe (450 technical colleagues in total)
- Technical focus: Java Spring, Kafka, AWS/Azure
Hakan S.
Last position:
Freelance Software Developer at NÜRNBERGER Versicherung
- Implementation of the 2026 product roadmap in the composite area (quotation and policy administration)
- (Further) development of insurance products such as accident, residential building, commercial building, business contents, and liability insurance
- Technical implementation of product requirements in an agile SCRUM environment (from concept to go-live)
- Collaboration on enablement topics for private and business lines, especially the introduction of intermediary collection
- Ensuring software quality through continuous error analysis and resolution across all project phases
- Close coordination in the agile planning process as well as iterative detailing of requirements
- Structured knowledge transfer including documentation and sustainable assurance of maintainability and further development
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
2.6 years
Positions per freelancer
8
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Government and Administration, Insurance
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
80%
Master's degree or higher
50%
Certifications per freelancer
3
Most common languages
German, English, Russian
Speak two or more languages
91%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Vienna 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 Vienna 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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Spring Boot 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 (82%)
- Government and Administration (64%)
- Insurance (55%)
- Transportation (55%)
- Banking and Finance (36%)
- Telecommunication (36%)
- Professional Services (27%)
- Aerospace and Defense (18%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Spring Boot at a glance
Spring Boot is a framework for building production-ready Java applications with sensible defaults, embedded servers and convention-based configuration. It extends the Spring ecosystem while reducing setup work, so teams can focus on business capabilities, reliable APIs and maintainable services. Spring Boot is widely used for backend systems, web applications and distributed services.
Applications and services
Companies use Spring Boot for customer portals, internal platforms, payment services, booking systems and enterprise integrations. It supports both modular monoliths and microservices, with strong support for REST, validation, messaging and scheduled processing.
- Design and implement REST and GraphQL APIs
- Build secure business workflows and integrations
- Split domains into maintainable services
- Connect applications to relational and NoSQL databases
Ecosystem and tooling
Strong Spring Boot work usually involves Spring MVC or WebFlux, Spring Security, Spring Data, Spring Cloud and Spring Batch. Professionals also work with Maven or Gradle, JUnit, Testcontainers, Docker and observability tools such as Micrometer. Familiarity with Kafka, PostgreSQL, Redis and cloud services is valuable when the application spans multiple systems.
When specialists help
Freelance expertise is useful when a team is starting a new Java service, modernising an older Spring application or preparing a system for higher operational demands. Specialists can establish architecture, improve testing, resolve performance issues and create delivery practices that internal teams can continue to use.
- A service has unclear boundaries or growing technical debt
- Releases are slowed by fragile tests or manual configuration
- Security, database or messaging work needs focused expertise
- A migration to containers or cloud infrastructure is underway
What quality looks like
Effective Spring Boot professionals make configuration explicit, keep modules focused and treat observability as part of delivery. They understand transaction boundaries, API compatibility, error handling and secure defaults rather than relying only on generated project structure. Their work includes readable tests, useful documentation and deployment considerations.
Working with Vienna teams
Spring Boot specialists in Vienna can support financial services, public-sector systems, logistics, manufacturing and technology products. Remote collaboration works well when teams agree on architecture decisions, review practices and communication routines; on-site work can help during discovery, integration or complex handovers. German or English may be relevant depending on stakeholders and documentation.
Frequently asked questions
Key details about Spring Boot, drawn from the questions we get asked most.
Spring Boot is used to create Java backend applications, REST APIs, web services, batch processes and microservices. It provides conventions and operational features that help teams move from project setup to a deployable service with less manual configuration.
Spring Boot offers a broad, mature ecosystem around dependency injection, security, data access and application operations. Jakarta EE follows established enterprise specifications, while Quarkus focuses strongly on fast startup and efficient resource use; the right choice depends on existing skills, deployment targets and service requirements.
A strong Spring Boot specialist often works with Java, SQL, Maven or Gradle, automated testing and containerisation. Experience with Spring Security, Kafka, Docker, Kubernetes, cloud services and observability is useful when the work involves distributed or business-critical systems.
The required level depends on the scope, risk and condition of the existing codebase. A small API may need focused implementation skills, while a migration, security review or distributed architecture calls for a professional who has handled comparable production constraints.
Spring Boot work is well suited to remote collaboration because code, tests, API contracts and infrastructure can be reviewed asynchronously. Clear ownership, written architecture decisions and regular technical reviews matter more than physical proximity, although Vienna-based teams may prefer occasional on-site workshops.
Ask for examples of Spring Boot systems that resemble the planned work, including the service boundaries, data flows and deployment model. Review how the professional approaches testing, security, monitoring, failure handling and documentation, not just the framework names on a profile.
Spring Boot may be excessive for a very small service with minimal dependencies or for workloads where another runtime has a clear operational advantage. It can also add complexity when a team lacks Java and Spring experience and has no plan to maintain the application after delivery.
A capable Spring Boot expert first maps the architecture, dependencies, data access and operational risks. They may then improve test coverage, simplify configuration, strengthen security, update outdated Spring components, tune database usage and introduce safer delivery practices without disrupting core business flows.
The average hourly rate of freelancers in Vienna, Austria who have used Spring Boot in their recent projects is 95 €, which corresponds to a daily rate of about 759 € based on an 8-hour working day.
Of the freelancers in Vienna, Austria who have used Spring Boot in their recent projects, 80% hold at least a Bachelor's degree and 50% hold at least a Master's degree.
On average, freelancers in Vienna, Austria who have used Spring Boot in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Vienna, Austria who have used Spring Boot in their recent projects are German (100%), English (91%), and Russian (27%).
The most common industries among freelancers in Vienna, Austria who have used Spring Boot in their recent projects are Information Technology (82%), Government and Administration (64%), and Insurance (55%).
The most common business areas among freelancers in Vienna, Austria who have used Spring Boot in their recent projects are Information Technology (100%), Product Development (91%), and Quality Assurance (55%).
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.
Countries:
Vienna 
Graz 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
