Senior Backend Engineer: Fintech&AI-Driven Payments, Cape Town

From the fun of Mecca Bingo to the experience of Grosvenor Casinos, from in‑person to online, from local to global, players love the experiences our famous brands deliver.

We employ almost 8,000 people across our brands, in roles ranging from Casino Croupiers, Poker Dealers, Chefs and Bingo Club Callers, through to specialists in Marketing, Property, Finance, Law and Human Resources and many more.

This is such an exciting sector to be part of, bringing entertainment to millions in a culture of opportunity and growth.

We're looking for a Senior Backend Engineer to join our Fintech team who are responsible for the core, high‑throughput transaction 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.

We're 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.

Main Accountabilities&Responsibilities

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 our 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.

What’s needed for success – Experience&Qualifications

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.

Benefits and Opportunities

Immersive experience in new cultures and gain international exposure through our global business. Collaborate with colleagues from around the globe.

From pensions to bonus schemes, and private medical insurance to life insurance– we've got you covered.

*Our benefits vary by brand and/or location. Please have a chat with your local Talent Acquisition specialist to find out what’s in place in your location.

The Rank Group are committed to being an inclusive employer, ensuring that we better understand and meet the needs and requirements of our candidates and customers.

We aim to do this by facilitating fair and equal access to our services. If you require a reasonable adjustment to be made, please reach out to let us know ahead of your interview.

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