Platform & Payments Engineer – Senior, Hybrid, Equity

CreatePay; United Kingdom; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Equity / options

Hybrid work

Job summary

CreatePay is building its PayFac/Acquiring platform in the UK and seeks a hands-on Software Engineer to own design, build, and delivery. You will work directly with the CTO, shaping core architecture and making decisive technical calls in a fast-moving fintech environment.

From day one you will define the technical domain, lead end-to-end delivery across distributed systems and data, and help scale the engineering function. Hybrid work with Milton Keynes office optional.

Qualifications

• Deep engineering experience delivering complex systems end-to-end.
• Experience across backend, data, integration, and infrastructure with minimal oversight.
• Payments/fintech exposure required; able to design and build reliable, scalable systems.
• Ability to define scope and prioritise work independently.
• Advantageous: familiarity with PayFac, ISO, or payment gateway architecture.

Responsibilities

• Design and build distributed systems on AWS using serverless-first principles.
• Liaise with 3rd party engineering teams across the lifecycle.
• Architect for high availability, fault tolerance, and resilience.
• Validate 3rd party deliverables, workshop solutions, and troubleshoot issues.
• Design scalable data approaches and reporting structures.
• Define infrastructure strategies including backup, redundancy, and lifecycle management.
• Own the full delivery lifecycle from requirements to deployment and support.
• Act as de facto product owner to define scope and drive outcomes.

Skills

End-to-end design

Payments domain

Multi-domain engineering

API design

Serverless AWS

Data modelling

Security by design

AI & automation

Tools

AWS

PostgreSQL

Job description

CreatePay is building its PayFac/Acquiring platform in the UK and seeks a hands-on Software Engineer to own design, build, and delivery. You will work directly with the CTO, shaping core architecture and making decisive technical calls in a fast-moving fintech environment.

From day one you will define the technical domain, lead end-to-end delivery across distributed systems and data, and help scale the engineering function. Hybrid work with Milton Keynes office optional.