Senior Backend Engineer

Description :

APEXX is pioneering payment orchestration, transforming the global payments landscape with cutting-edge technology and innovation.

As a leader in Fintech, we're committed to excellence, driving forward-thinking solutions that empower businesses worldwide.

Are you passionate about building scalable, resilient systems in the fast-moving world of FinTech?

Were looking for a Senior Backend Engineer to join our growing technology team.

Youll play a key role in designing and building backend services that power our core platform enabling real-time transactions, intelligent routing, and seamless third-party integrations with partners across the financial ecosystem.

Youll work with a modern tech stack including Java Spring Boot, PostgreSQL, Redis, AWS Lambda, and a wide range of AWS services and collaborate closely with engineers, product managers, and stakeholders to deliver reliable, high-performance systems.

If you thrive in a collaborative, fast-paced environment and enjoy solving complex engineering challenges, this could be a great fit.

WHAT YOULL BE DOING :

- Design, develop, and maintain backend services (utilising Java Spring Boot), contributing to the evolution of our platform and system architecture.

- Optimise backend systems for real-time processing, performance, resilience, and scalability to meet the demands of a growing, enterprise customer base.

- Implement integrations with third-party systems, ensuring secure and reliable data exchange across environments.

- Participate in the full software delivery lifecycle from requirements gathering to production deployment and ongoing support.

- Troubleshoot production issues and contribute to a culture of operational excellence and continuous improvement.

- Collaborate closely with product managers, designers, and fellow engineers to ensure technical solutions align with business objectives.

- Provide high-quality code reviews and mentor junior engineers where appropriate.

- Contribute to infrastructure and DevOps best practices, including CI/CD pipelines and containerised deployments.

ABOUT YOU :

- Proven experience designing and delivering robust backend systems, with a strong focus on scalability, maintainability, and performance.

- Deep understanding of relational databases, including hands-on experience with PostgreSQL, and confidence in writing optimised SQL.

- Practical experience with AWS services, such as Lambda, API Gateway, ECS, and S3, and an appreciation of serverless and event-driven architectures.

- Familiarity with DevOps practices, including CI/CD pipelines, containerisation, and infrastructure-as-code.

- Strong problem-solving skills and a structured, delivery-oriented mindset.

- Comfortable working cross-functionally in fast-paced Agile environments, with clear communication and a collaborative approach.

- Passionate about clean code, continuous learning, and building systems that are resilient and easy to operate at scale.

NICE TO HAVE :

- Experience working in a FinTech or start-up environment.

- Exposure to observability tools

- Familiarity with security and authentication patterns (OAuth, SAML, etc.)

Perks and Benefits :

Aside from the opportunity to work for a tech-scale up, having great responsibility and varied tasks every day, other benefits includes:

Health :

- Insurance (Employee, spouse, and two children) optional cover for parents

Time Off :

personal days per year Festival holidays.

- You can also take your birthday off as paid leave, and we offer a paid day off for any charity work you want to participate in.

Enrichment :

- Learning and development training, with a yearly budget, to strengthen your career and progression, leadership in house training and monthly lunch and learn, where you eat lunch and learn with our guest presenter.

Social :

- Monthly team outings & incentives.

- Some of our recent ones include- Hackathon, Lunch and Learns and team building games