Senior Java Software Engineer - API Development

About Brainsquare

For over 26 years, Brainsquare has built partnerships with clients of all sizes, from mid-market to large enterprises. We design, develop, and manage critical IT applications, combining deep technical expertise with a collaborative spirit. With 250+ colleagues across Belgium, India and the US, we provide continuous value for our partners.

At Brainsquare, we value people. We believe happy and motivated professionals, working together across continents, can achieve greatness. You’ll join a hybrid, international team where ownership, collaboration, and technical excellence are at the core of our way of working.

Senior Java Software Engineer

About the role:

Brainsquare India is expanding its Java team with senior engineers who will work on API-driven back-end development using Spring Boot.
You’ll focus on project delivery, new feature development, and technical excellence - not routine maintenance.
In this role, you’ll act as a technical reference for your peers, ensure code quality, and help shape development standards within our teams.

Key Responsibilities:

• Design, develop and extend REST APIs using Java 11 / 17 and Spring Boot.

• Translate complex requirements into modular, testable code.

• Create and maintain unit and integration tests to guarantee quality.

• Conduct code reviews, enforce coding standards, and mentor junior developers.

• Contribute to project delivery in an agile environment with cross-functional teams.

• Ensure secure coding practices (OWASP Top 10 / Spring Security).

• Collaborate with DevOps teams on CI/CD integration and deployment automation.

Candidate profile

We are looking for a hands-on engineer with a strong technical foundation and a proactive mindset.
You combine deep experience in Java and Spring Boot with a genuine drive for clean, maintainable, and secure code.

Technical Background

• Proficient in Java 11 / 17, Spring Boot, and REST API design.

• Solid understanding of SQL (Microsoft SQL, PostgreSQL, or MySQL).

• Exposure to DevOps tooling such as Jenkins, Git/Bitbucket, SonarQube, Artifactory, Liquibase, Spring Config Server, BuildMaster, or Octopus.

• Optional knowledge of WildFly EE / Quarkus, Kafka / ActiveMQ, JIRA, and Confluence.

Must-Have Skills

• 5+ years of relevant experience in back-end development.

• Experience in API project delivery rather than support or maintenance.

• Strong sense of code ownership and accountability.

• Familiar with agile delivery, CI/CD, and collaborative development workflows.

• Excellent communication and mentoring skills.

What we offer

• Competitive salary package aligned with Indian market benchmarks.

• Opportunity to work on enterprise-scale integration programs with global clients

• Cross-border collaboration with senior engineers and architects in Belgium

• Potential growth path towards Solution Architect roles

Why join Brainsquare India?

• Join a fast-growing international engineering team connected with Brainsquare Belgium.

• Work on high-impact enterprise projects in a modern Spring Boot environment.

• Be part of a culture that values learning, quality, and collaboration.