Masabi

Principal Engineer - Platform & Data

Masabi
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6 months ago
Remote, United KingdomStaff+

Responsibilities

  • Shape Masabi’s platform architecture, including blueprints, standards, and best practices.
  • Define and evolve data architecture and strategy for data generated across the platform.
  • Design and deliver scalable, robust, and cost-efficient services.
  • Contribute hands-on through coding, design, technical reviews, and targeted delivery.
  • Address complex challenges involving scalability, performance, resilience, and cost.
  • Advise and influence engineering teams on technical decisions and standards.
  • Shape technical roadmaps and prioritisation for platform improvements.
  • Support RFP estimation and technical scoping for complex initiatives.
  • Produce technical documentation, architecture artefacts, and decision-support materials.
  • Improve how architecture is understood and applied across engineering and the wider business.
  • Contribute to technical forums and working groups, including API and architecture governance.

Requirements

  • Strong experience designing and evolving distributed systems and microservices architectures.
  • Experience operating at Principal or Staff level and shaping technical direction across multiple teams or domains.
  • Ability to remain hands-on in code, design, and technical delivery.
  • Strong experience with cloud platforms, preferably AWS, and modern infrastructure practices.
  • Experience making scalability, reliability, performance, and cost trade-offs.
  • Proven data architecture experience involving data platforms, pipelines, warehousing, data lakes, or large data stores.
  • Ability to turn loosely defined business or technical problems into clear, actionable approaches.
  • Clear communication skills and the ability to produce structured documentation for technical and non-technical audiences.
  • Experience contributing to engineering standards, architecture patterns, or platform direction.
  • Strong REST API design experience in complex, multi-service environments, ideally including front-end API consumption.
  • Interest in or exposure to AI-enabled systems and their production architecture implications.
  • Nice-to-have experience decomposing monoliths into microservices, working with event-driven architectures and Kafka, improving cloud cost and efficiency, and using the listed development, data, and infrastructure tools.

Benefits

  • 25 days of annual holiday plus the option to buy up to 5 additional pro-rated days.
  • Private AXA healthcare including pre-existing conditions and mental health coverage, life insurance, menopause support, pension scheme, and enhanced family leave pay.
  • Choice of workstation, a £200 annual home-office allowance, and a training allowance of up to £1000 per year.
  • Ability to work for up to 3 months per year from any country, subject to limitations.
  • Cycle-to-work scheme and regular social gatherings with a monthly allowance.
  • Remote work is available for candidates anywhere in the UK; London-based candidates may work in a hybrid model with occasional office travel.

Tech Stack

Amazon DynamoDBApache KafkaApache SparkAWSDatabricksGitLab CI/CDJavaKotlinMySQLSnowflakeTerraform

Categories

BackendData Engineering
Masabi

About Masabi

201-500 employees

Masabi builds fare-payment and ticketing platforms for public transit agencies, offering mobile ticketing, account-based ticketing, and open payments through its Justride platform. The company sells its software and services to transport authorities and operators, enabling riders to pay via apps, ticket machines, or contactless bank cards. Founded in 2012 and headquartered in London, it is privately held and serves agencies in North America and Europe.

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