POS Android Developer in London

Join a pioneering digital payments company that's reshaping how financial transactions are processed across the Gulf region. This innovative organisation specialises in developing Mada-certified payment solutions, working directly with banks, acquirers, and financial institutions to deliver world-class POS terminal applications. With a strong engineering culture and compliance-first approach, they’re building the payment infrastructure that powers commerce across one of the world’s fastest-growing digital economies.

As a POS Android Developer in Riyadh, you’ll take ownership of designing, developing, and certifying payment applications that meet stringent Mada and EMV compliance standards. This isn’t just coding, it’s architecting secure financial systems that must perform flawlessly under real-world conditions whilst navigating complex certification processes with SAMA and payment card schemes.

Here’s what you’ll be doing:

• Engineering and maintaining Mada-certified POS payment applications on Android platforms, ensuring seamless integration with the Kingdom's payment infrastructure.
• Implementing EMV Level 2 and Level 3 kernels whilst managing secure connections to payment switches and banking systems.
• Leading certification cycles with acquirers and processors, coordinating UAT phases and ensuring compliance with SAMA specifications.
• Developing payment features spanning contact, contactless, and QR-based transaction types across multiple POS hardware configurations.
• Debugging complex field issues using advanced Android tooling, analysing transaction flows, and resolving payment processing challenges.
• Collaborating with cross-functional teams including QA, product management, and certification specialists to deliver compliant, high-performance applications.

Here are the skills you’ll need:

• Minimum 4+ years of Android development experience with at least 2 years specifically focused on POS payment application development.
• Demonstrated expertise in Mada application development and successful completion of Mada certification processes.
• Deep understanding of EMV payment flows, transaction processing standards, and card scheme compliance requirements within Middle Eastern payment ecosystems.
• Advanced proficiency in Java and Kotlin with proven experience in payment application architecture.
• Strong knowledge of ISO8583 message formats, NEXO ISO20022 standards, and secure payment protocols.
• Experience with AIDL inter-process communication, REST APIs, WebSockets, and asynchronous programming patterns.
• Bachelor's degree in Computer Science, Engineering, or related technical discipline.
• Arabic language proficiency required for stakeholder engagement and technical documentation.
• Filipino/Tagalog language skills highly advantageous for regional market expansion and team collaboration.
• Excellent analytical capabilities with systematic debugging and problem-solving approaches.

Here’s what you’ll get:

• 17,000 and 22,000 SAR total monthly income depending on experience.
• Opportunity to work on high-impact payment systems processing substantial transaction volumes.
• Direct involvement in shaping the Kingdom's payment infrastructure evolution.
• Professional development opportunities within a rapidly scaling R&D environment.
• Exposure to cutting-edge payment technologies including HSM integration and advanced security protocols.
• Career progression within the Middle East's most dynamic fintech landscape.

The fintech sector across the Gulf region continues its remarkable growth trajectory, with payment infrastructure development creating exceptional demand for specialised Android developers. This POS Android Developer role in Riyadh positions you at the intersection of mobile technology and financial services, offering expertise that’s increasingly valuable as digital payment adoption accelerates. Professionals with Mada certification experience and EMV payment system knowledge command premium opportunities, with clear pathways to technical leadership roles as the sector matures and expands across emerging markets.