Principal Engineer (Payments)
New
Open to candidates based anywhere in the UK, with the flexibility to work fully remotelyFull-TimePrincipal
Salary not disclosed
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Job Details
- Required Skills
- AWSDynamoDBJavaKotlinMySQLTerraformMicroservicesDistributed Systems
Requirements
- Strong experience working on payment systems, including integrations with PSPs, gateways or acquirers
- Good understanding of payment flows, transaction lifecycles and system design considerations
- Experience designing and evolving distributed systems and microservices architectures
- Operated at Principal or Staff level, shaping technical direction across multiple teams or domains
- Strong judgement and the ability to balance short-term delivery with long-term architectural outcomes
- Comfortable navigating ambiguity and turning complex problems into clear, practical technical approaches
- Clear and thoughtful communicator, able to engage both technical and non-technical audiences
- Strong experience with cloud platforms (AWS preferred) and modern infrastructure practices
- Contributed to engineering standards, architecture patterns or platform direction
- Interest in or exposure to AI-enabled systems
Responsibilities
- Shape the technical direction of Masabi’s payments platform, contributing to architecture, standards and engineering best practices
- Design and deliver scalable, secure, resilient and cost-effective payment solutions aligned with Masabi’s platform direction
- Support teams in building towards a modern, microservices-based architecture while balancing delivery priorities and long-term platform health
- Stay close to technical delivery through architecture reviews, design discussions and targeted hands-on contribution where needed
- Identify and work through complex technical challenges related to scalability, resilience, operational performance and system evolution
- Act as a senior technical advisor across engineering teams, supporting and influencing technical decisions, particularly within the payments domain
- Work with external providers and payment partners on integrations, technical alignment and problem-solving
- Contribute to technical roadmap planning, prioritisation, technical scoping and architecture discussions for complex initiatives
- Produce clear technical documentation and contribute to engineering standards, technical forums and good practices across the organisation
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