Principal Engineer (Payments)
Level inferred from job title
Job description
Principal Engineer - Payments in Masabi's Architecture team, focused on shaping the technical direction of the payments platform. A senior technical leadership role combining architecture work with hands-on contribution across the engineering organisation.
At a glance
- Employment
- Full-time
- Work mode
- Remote
What you'll do
- 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
What we're looking for
- Strong experience working on payment systems, including integrations with PSPs, gateways, EMV, contactless EMV, acquirers, etc.
- Good understanding of payment flows, transaction lifecycles and system design considerations
- Experience designing and evolving distributed systems and microservices architectures
- You've 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
- Comfortable being hands-on where needed, while maintaining a focus on system-level impact
- Strong experience with cloud platforms (AWS preferred) and modern infrastructure practices
- Worked on systems where scale, reliability, performance and cost trade-offs matter, and can navigate those decisions thoughtfully
- Contributed to engineering standards, architecture patterns or platform direction
- Interest in or exposure to AI-enabled systems, particularly understanding architectural implications in production
Nice to have
- Experience with transit systems or fare payment systems (e.g. tap-to-ride systems)
- Familiarity with card schemes (e.g. Visa, Mastercard, Interac)
- Experience working in complex, multi-service or event-driven architectures
- Familiarity with Kotlin, Java
- Familiarity with DynamoDB, MySQL
- Familiarity with Terraform, GitLab CI/CD
Your team
Architecture team
The team focused on architecture across the engineering organisation, with a primary focus on the payments domain.
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About Masabi
Driving the fare payment revolution
Masabi builds fare collection platforms that allow riders to seamlessly buy and present tickets for public transport either on their mobile phones, from a ticket machine, or by tapping their bank card to travel.
Mission
To make transit fair and accessible for all.
Key facts
- Fare collection / public transport technology
- Justride platform is used in over 250 locations globally
- Industry-first mobile ticketing SDK
- Partnered with large players in the transport space, including Uber, Moovit and Transit
Partners & customers
What they value
- Driven by Purpose
- Encouraged to Accelerate
- Advancing with Empathy
