Principal Engineer

Stack

Responsibilities

• ▹Shape Masabi's platform architecture, including blueprint definition, standards and best practices
• ▹Design and deliver scalable, robust, cost-efficient services aligned with the platform blueprint
• ▹Stay hands-on in code and technical delivery, including reviews and targeted contributions
• ▹Identify and work through complex platform challenges related to scalability, performance, resilience and cost
• ▹Act as senior technical advisor across engineering teams
• ▹Shape and contribute to technical roadmap planning and prioritisation
• ▹Support RFP estimation and technical scoping for complex initiatives
• ▹Produce technical documentation and architecture artefacts
• ▹Contribute to technical forums and working groups, including API and architecture governance

Requirements

• ▹Strong experience designing and evolving distributed systems and microservices architectures
• ▹Operated at Principal or Staff level, shaping technical direction across multiple teams or domains
• ▹Comfortable staying hands-on in code, design and delivery
• ▹Strong experience with cloud platforms (AWS preferred) and modern infrastructure practices
• ▹Experience with systems where scale, reliability, performance and cost trade-offs matter
• ▹Proven experience in data architecture (data platforms, pipelines)

About the company

Masabi builds fare collection platforms (the Justride platform) that let riders buy and present tickets for public transport via mobile phones, ticket machines or bank card taps. It is used in over 250 locations worldwide, including major cities, and has partnered with Uber, Moovit and Transit through its mobile ticketing SDK.