At OSB Group, technology underpins how we serve our customers and support sustainable growth across our specialist savings and lending brands. Our payments platforms are critical to that mission — enabling secure, resilient and innovative customer journeys in a highly regulated environment.

We’re looking for a Principal Engineer (Payments) to play a pivotal leadership role across our payments and core banking technology landscape. This role combines deep technical expertise with strong people and delivery leadership, shaping how we design, build and run payment solutions across the Group.

Working closely with senior technology and value stream leaders, and reporting to the Group Head of Technical Delivery, you’ll help define strategy while actively driving end-to-end delivery to ensure our platforms are secure, scalable and future-ready.

The role can be based from our Wolverhampton, Chatham or London office and will require occasional travel between all OSB Group locations.

As a Principal Engineer you’ll provide hands-on technical leadership across engineering teams delivering and operating our payments platforms, including Faster Payments, BACS, CHAPS, cards, Open Banking and mobile wallets.

Your responsibilities will include:

• Setting and executing the engineering strategy for the payments domain, aligned to OSB Group’s technology and business objectives
• Leading the design, build and operation of modern payments platforms, ensuring regulatory compliance, performance and resilience
• Owning end-to-end technical delivery, including architecture, development, testing, deployment, change governance and live operations
• Providing hands-on technical leadership across full-stack engineering teams, with a strong focus on quality, automation and cloud-first design
• Overseeing integrations with UK payment schemes and core banking platforms, including Mambu
• Partnering with product, architecture and business stakeholders to translate customer and regulatory needs into robust technical solutions
• Managing supplier and partner relationships to ensure delivery meets OSB standards

• Base salary between £90,000 - £110,000 dependant upon experience
• Enhanced family-focused benefits
• Annual bonus opportunity up to 25%
• 30 days annual leave + bank holidays

Please use this link to see the fantastic benefits available at OSB: https://www.osb.co.uk/careers/overview

At OSB Group, we understand how much our people bring to our organisation, which is why we try our best to give back too! Our Purpose is to help our customers, colleagues and communities prosper and we are on a transformation journey to become ‘the bank of the future’.

Our commitment to professional development, flexible working, and employee well-being fosters a dynamic and supportive workplace.

We are looking for talented individuals who have the experience and knowledge set out below:

• Significant experience in a senior technical leadership role within banking or financial services
• Deep expertise in the payments domain, including real-time payments, cards, BACS, CHAPS, Open Banking and APIs
• Proven experience designing, scaling and operating secure, high-performance payments platforms
• Strong background in core banking systems, cloud-native architectures, microservices and DevOps practices
• Solid understanding of regulatory, risk and compliance requirements (e.g. PSD2, PCI DSS, GDPR)
• Excellent stakeholder engagement skills, with the ability to clearly communicate complex technical concepts
• Experience with cloud platforms (AWS, Azure or GCP) and modern data platforms

If this sounds like you, please apply now! For internal applications please visit the internal careers page to apply.

Still on the fence? Hear from our team or explore our process: OSB Careers

Shortlisted candidates will go through a personalised recruitment process, that is relevant and conversational – inclusive any individual reasonable support required. We want to bring out the best in you!

Diversity, Equity & Inclusion

Not sure if you meet the spec? Let us decide.

Research tells us that those from marginalised groups feel like they need to meet 100% of the criteria to apply. Here at OSB, we are committed to inclusivity and understand the value different experiences and perspectives can bring, so please don’t feel like you need to check every box to apply for a role internally.

We champion diversity at all levels, with Board-level Diversity Champions tracking our progress. We are proud to be signed up to the Women in Finance Charter to actively support the growth and development of senior women in our sector and are dedicated to treating all our employees and job applicants equally, opposed to discrimination on any grounds.