Senior Backend Software Engineer (Java, Spring Boot, RESTful APIs, Fintech) (Cape Town - Hybrid)

SUMMARY:
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POSITION INFO:
ENVIRONMENT: Our client is a leading international gaming, leisure, and entertainment group offering exciting and entertaining customer experiences, in venues or online.  They are looking for a Senior Backend Engineer to join their Fintech team who are responsible for the core, high-throughput processing services and 3rd party payments integrations. You'll design and own the backend systems powering deposits, withdrawals, and real-time transaction processing, where correctness, speed, and regulatory integrity are non-negotiable.  They are at an exciting inflection point: actively experimenting with AI across the SDLC and looking for engineers who want to help shape what that looks like in practice - not just adopt tools, but influence how the team thinks, builds, and ships.   DUTIES: •       Design and Development: Create robust, efficient, and scalable backend services using Java and Spring Boot with a focus on accuracy, idempotency and fault tolerance. •       API Development: Design, build, and maintain secure APIs for web and mobile applications. •       Performance and Security: Ensure application performance, scalability, and security best practices. •       Domain Ownership: Drive the low-level architecture of core flows - ensuring compliance with regulatory requirements. •       Cloud Integration: Collaborate with various teams to integrate cloud services into their backend infrastructure. •       Code Quality: Write high-quality, maintainable code that adheres to industry standards. •       Mentorship: Support junior and mid-level team members, conduct code reviews, and foster a culture of continuous improvement. •       AI-Augmented Development Practices: Champion the adoption of AI and agentic tools to accelerate the engineering lifecycle across the team. Define guardrails, evaluate tooling, and upskill the team on responsible AI-augmented engineering. •       Modernising legacy stored procedures into Spring Boot services.   REQUIREMENTS: •       7+ years of professional experience as a Backend Engineer. •       Experience in high-volume, low-latency transaction processing. •       Experience showing strong problem-solving skills and a passion for creating user-centric solutions. •       Core Java proficiency. A strong command of the Java language, including object-oriented programming, design patterns, •       exception handling, and memory management. •       Spring Framework (including Spring Boot) - In-depth knowledge of Spring, especially Spring Boot for building efficient and scalable backend applications. •       Proficiency in designing and implementing RESTful APIs. •       Experience in event-driven architecture. •       Experience in industry-standard CI\/CD implementation. •       Bachelor’s degree in software Engineer, Computer Science, Engineering or equivalent   Nice to have •       Exposure to PCI-DSS environments and controls •       Experience integrating with payment providers.

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