Java Full Stack Developer – Backend Focus (java, Spring Boot, Microservices, React/angular) - Vienna 1 To 2 Days Per Month
Posted 1 week ago by 1764665531
Negotiable
Undetermined
Onsite
Wien, Austria
Summary: The role is for an experienced Java Full Stack Developer with a focus on backend technologies, specifically Java, Spring Boot, and microservices. The position requires collaboration within an agile team in the telecommunications sector, with minimal on-site presence required in Vienna. Candidates should have strong skills in API design and modern frontend frameworks like React or Angular. This opportunity offers flexibility while contributing to high-impact projects.
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