Senior Software Engineer – Java / Spring Boot / AWS

Location: Gothenburg, Sweden Work model: Hybrid – 25% remote Assignment period: 1 December 2026 – 31 December 2027 Seniority: Senior Language: English (Proficient) About the Assignment Sperton is looking for an experienced Senior Software Engineer with strong expertise in Java, Spring Boot and AWS for an exciting consulting assignment with our client in Gothenburg. You will join a cross-functional team consisting of software developers, a Business Analyst, a Solution Architect and a Product Owner. You will be responsible for designing, developing and maintaining scalable backend services and integrations. The role involves end-to-end ownership, from technical design and development to deployment, production operations and support. The team follows a "you build it, you run it" approach, meaning you will actively contribute to production support and incident management through a daytime support rotation. Key Responsibilities Design, develop and maintain scalable backend services using Java and Spring Boot. Build and maintain integrations between services and systems. Take end-to-end ownership of complex technical deliveries, from design to production. Ensure data consistency and reliability across services. Design, evolve and maintain APIs with appropriate data access and security controls. Develop automated tests and maintain high-quality engineering standards. Build, deploy, monitor and operate services in AWS. Participate in daytime production support and incident handling. Collaborate with engineers and stakeholders across different teams. Contribute to architectural discussions and technical improvements. Identify opportunities to introduce new technologies and better engineering practices. Required Qualifications Several years of hands-on software engineering experience, primarily with Java. Strong practical experience with Spring Boot. Solid hands-on experience with AWS services, including building, deploying and operating cloud-based applications. Experience working with PostgreSQL and MongoDB. Strong understanding of REST APIs, integrations and service-oriented architecture. Experience designing and maintaining microservices. A strong DevOps mindset, with ownership of applications throughout their lifecycle. Experience with automated testing and software quality practices. Ability to independently drive complex technical assignments. Strong analytical, problem-solving and decision-making skills. Excellent collaboration skills and experience working in agile teams. Adaptability when priorities and requirements change. About Sperton Sperton is an international recruitment and workforce solutions company supporting organizations with talent acquisition, staffing and consultancy, People Management, Global Mobility, and business support. We connect skilled professionals with opportunities where they can contribute their expertise and create meaningful business impact.