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Senior technical leader on the Architecture team shaping platform blueprint, standards and roadmap. Design and deliver scalable, resilient cloud services, review and contribute code, solve platform scalability/performance/cost challenges, support RFP scoping, produce architecture artifacts, and influence engineering practices across teams.

Manage a portfolio of UK transport operator and authority accounts, own day-to-day success and long-term outcomes, handle escalations and onboarding, run training and reviews, use product usage data to spot risks and opportunities, feed customer insight to Product/Engineering, and identify growth opportunities with Account Managers.

Lead delivery and ongoing development of native iOS, Android and Web passenger applications. Split role between hands-on engineering (design, implementation, code review, SDK/API integration) and people leadership (coaching, 1:1s, performance feedback), release management, rollout planning and stakeholder communication to keep releases predictable and support team growth.

Lead delivery and ongoing development of Masabi's native passenger apps across iOS, Android and Web. Balance hands-on engineering (design, implementation, code review) with people leadership, mentoring, release management, SDK/API integration, rollout planning and stakeholder communication.

Own day-to-day People Operations for a distributed workforce: handle onboarding/offboarding, employee queries, contracts, benefits, HR systems, payroll inputs and vendor coordination. Partner on performance reviews, engagement, compensation cycles and compliance. Build and improve processes, maintain people data (BambooHR), and scale People Operations through automation and better workflows to improve employee experience.

The Principal Engineer (Payments) will lead technical direction for payments systems at Masabi, ensuring scalable and resilient solutions. Responsibilities include architecture design, integrating with external payment partners, and guiding engineering teams.

You will define and evolve Masabi's platform architecture while contributing hands-on to technical work across engineering teams, focusing on scalability and performance challenges.

The Principal Engineer (Payments) will lead the technical direction of Masabi's payment platform, oversee system architecture, and provide senior technical guidance across engineering teams to build scalable, secure payment solutions.

The Principal Engineer will shape Masabi's platform architecture, deliver scalable services, act as a technical leader, and navigate complex platform challenges. Responsibilities include design, delivery, influencing technical decisions, and contributing to technical documentation and forums.

As a Principal Engineer, you'll design and evolve Masabi's platform architecture, deliver scalable services, guide technical decisions, and drive improvements across engineering teams.