Java Backend Engineer — Spring Boot & Microservices

Sii Poland; Stockholms kommun; On-site; SEK 650,000 - 900,000; Full time

Benefits offered by this job

Mentoring program

Referral program

Profit sharing

Welcome packs

Regular events and trips

Inclusive culture

Job summary

Sii Sweden is seeking Java Developers to join exciting projects across industries, especially in finance, banking, and other regulated environments. You will design, develop, and maintain scalable backend solutions based on Java and Spring Boot, collaborating with cross-functional teams to build reliable, secure software.

You will work on REST APIs, microservices, databases, and CI/CD, participate in agile ceremonies, and contribute to long-term maintainability while clearly communicating

Qualifications

• At least 4 years of experience with Java and Spring Boot.
• Experience with REST APIs, microservices, and SQL databases.
• Strong understanding of clean code and modern development practices.
• Experience with Git and working in agile development teams.
• Fluent Swedish and English.

Responsibilities

• Design, develop, and maintain backend services using Java and Spring Boot.
• Build and integrate REST APIs and microservices.
• Work with databases, SQL, and data-driven backend solutions.
• Collaborate with architects, developers, testers, and business stakeholders to deliver high-quality solutions.
• Contribute to technical design, code reviews, best practices, and long-term maintainability.
• Support deployment, testing, monitoring, and CI/CD workflows.
• Ensure solutions are secure and scalable, aligned with customer requirements.
• Participate in agile ceremonies and contribute to continuous improvement.

Skills

Java

Spring Boot

REST APIs

Microservices

SQL

Git

Agile development

Stakeholder communication

Structured ownership

Job description

Sii Sweden is seeking Java Developers to join exciting projects across industries, especially in finance, banking, and other regulated environments. You will design, develop, and maintain scalable backend solutions based on Java and Spring Boot, collaborating with cross-functional teams to build reliable, secure software.

You will work on REST APIs, microservices, databases, and CI/CD, participate in agile ceremonies, and contribute to long-term maintainability while clearly communicating