Java Full Stack Developer – Backend Focus (java, Spring Boot, Microservices, React/angular) - Vienna 1 To 2 Days Per Month
Posted 1 week ago by 1764665586
Negotiable
Undetermined
Onsite
Wien, Austria
Summary: The role of Java Full Stack Developer focuses on backend development using Java, Spring Boot, and microservices, while also contributing to frontend development with React or Angular. The position is based in Vienna, requiring minimal on-site presence of just 1-2 days per month. The ideal candidate will work within an agile team in the telecommunications sector, emphasizing collaboration and high-quality code. This opportunity offers flexibility and the chance to engage with modern technologies in a long-term engagement.
Key Responsibilities:
- Design, develop, and maintain backend services using Java (Java 21 preferred), Spring, and Spring Boot
- Build and integrate REST APIs for internal and external systems
- Perform unit testing with JUnit to ensure high-quality code
- Manage dependencies and builds using Maven
- Work with PostgreSQL, including JSONB where applicable
- Design scalable, secure microservice architectures
- Collaborate with product owners, architects, developers, QA, and DevOps teams in an agile (Scrum/Kanban) environment
- Improve development tooling, processes, and CI/CD workflows
- Support performance, stability, and security best practices
- Contribute to frontend development with JavaScript/TypeScript, React, or Angular
- Work with relevant technologies from the Apache ecosystem
Key Skills:
- Proven experience in backend development with Java (Java 21 ideal)
- Expertise in Spring Framework and Spring Boot
- Strong experience with REST API development
- Proficiency in JUnit for automated testing
- Hands-on experience with Maven
- Strong knowledge of PostgreSQL (JSONB is a plus)
- Experience designing and implementing microservices
- Frontend development experience with JavaScript/TypeScript and React or Angular
- Familiarity with Apache technologies for integration and tooling
- Experience working in Scrum/Kanban teams
- Excellent command of English
Salary (Rate): £215.00 daily
City: Vienna
Country: Austria
Working Arrangements: on-site
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
Detailed Description From Employer:
Java Full Stack Developer – Backend Focus (Java, Spring Boot, Microservices, React/Angular) - Vienna 1 to 2 days per month
Location: Austria Vienna (On-site 1–2 days per month)
Language: English (No German required)
Daily Rate: €180 - 250
Start: ASAP | Contract
Industry: Technology / Telecommunications
We are seeking an experienced Java Full Stack Developer with strong backend expertise to join an agile development team working on high-impact platforms within the telecommunications sector. This role is ideal for developers who excel in Java/Spring Boot microservices, API design, and modern frontend frameworks such as React or Angular.
With minimal on-site requirements (just 1–2 days per month in Vienna, Austria), this position offers excellent flexibility while still contributing to a collaborative engineering culture.
Key Responsibilities
Location: Austria Vienna (On-site 1–2 days per month)
Language: English (No German required)
Daily Rate: €180 - 250
Start: ASAP | Contract
Industry: Technology / Telecommunications
We are seeking an experienced Java Full Stack Developer with strong backend expertise to join an agile development team working on high-impact platforms within the telecommunications sector. This role is ideal for developers who excel in Java/Spring Boot microservices, API design, and modern frontend frameworks such as React or Angular.
With minimal on-site requirements (just 1–2 days per month in Vienna, Austria), this position offers excellent flexibility while still contributing to a collaborative engineering culture.
Key Responsibilities
- Design, develop, and maintain backend services using Java (Java 21 preferred), Spring, and Spring Boot
- Build and integrate REST APIs for internal and external systems
- Perform unit testing with JUnit to ensure high-quality code
- Manage dependencies and builds using Maven
- Work with PostgreSQL, including JSONB where applicable
- Design scalable, secure microservice architectures
- Collaborate with product owners, architects, developers, QA, and DevOps teams in an agile (Scrum/Kanban) environment
- Improve development tooling, processes, and CI/CD workflows
- Support performance, stability, and security best practices
- Contribute to frontend development with JavaScript/TypeScript, React, or Angular
- Work with relevant technologies from the Apache ecosystem
- Proven experience in backend development with Java (Java 21 ideal)
- Expertise in Spring Framework and Spring Boot
- Strong experience with REST API development
- Proficiency in JUnit for automated testing
- Hands-on experience with Maven
- Strong knowledge of PostgreSQL (JSONB is a plus)
- Experience designing and implementing microservices
- Frontend development experience with JavaScript/TypeScript and React or Angular
- Familiarity with Apache technologies for integration and tooling
- Experience working in Scrum/Kanban teams
- Excellent command of English
- Experience with Kubernetes & Helm
- SOAP service integration
- Knowledge of Graylog (logging/monitoring)
- Experience in the telecommunications industry
- Understanding of Kafka or other messaging technologies
- Daily Rate: €180 - €250
- On-site: Only 1–2 days per month
- Long-term engagement with a modern tech stack
- Work on technically challenging, large-scale systems