Senior Payments Platform Architect (Remote)

SLAMcore; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

SLAMcore is seeking a Principal Engineer - Payments to lead the architecture of our payments domain. In this senior role, you will combine strong technical judgement with deep payment experience to influence our payments platform.

You'll collaborate across engineering teams, guiding complex decisions while designing scalable solutions that support millions of journeys worldwide. The ideal candidate has extensive experience in payment systems and a hands-on mindset with cloud platforms like AWS.

Qualifications

• Experience working on payment systems with integrations.
• Operated at Principal or Staff level with technical direction.
• Comfortable navigating ambiguity and complex problems.

Responsibilities

• Shape the technical direction of Masabi's payments platform.
• Design and deliver scalable, secure payment solutions.
• Support teams on modern, microservices-based architecture.

Skills

Strong experience working on payment systems

Good understanding of payment flows

Experience designing distributed systems

Clear communicator

Hands-on experience with cloud platforms (AWS preferred)

Tools

Kotlin

Java

DynamoDB

MySQL

Terraform

GitLab CI/CD

Job description

SLAMcore is seeking a Principal Engineer - Payments to lead the architecture of our payments domain. In this senior role, you will combine strong technical judgement with deep payment experience to influence our payments platform.

You'll collaborate across engineering teams, guiding complex decisions while designing scalable solutions that support millions of journeys worldwide. The ideal candidate has extensive experience in payment systems and a hands-on mindset with cloud platforms like AWS.