Senior Java Software Engineer

About this role

Senior Java Software Engineer role at Conclase Consulting, based on-site in Lagos. The position involves designing, developing and maintaining high-performance Java applications and microservices for product and client environments, with a focus on scalability, reliability and security. The role requires collaboration with product managers, analysts and engineers, mentoring juniors, and contributing to architectural decisions.

What you would do

• Write clean, efficient Java code for high-performance applications.
• Implement and optimise microservices and integrate with APIs and third-party systems.
• Ensure scalability, reliability and security of applications.
• Collaborate with product managers, business analysts and engineers to translate requirements into technical solutions.
• Perform code reviews, mentor junior developers and contribute to architectural decisions.
• Troubleshoot production issues and improve existing systems, following DevOps practices.

What they are asking for

• Proficiency in Java and building complex backend systems.
• Hands-on experience with version control, testing, and continuous integration.
• Expertise in the Spring Framework (Spring Boot, Spring Data, Spring Security).
• Experience designing and implementing microservices architectures (service communication, resilience, observability).
• Solid understanding of relational and/or NoSQL databases, data modelling and performance optimisation.
• Familiarity with cloud platforms (AWS, Azure or GCP) and containerisation tools (Docker, Kubernetes); ability to mentor and work with cross-functional teams.

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