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    Staff Machine Learning Engineer

    Moonpay
    London - Hybrid
    Hybrid
    Senior
    Full Time
    machine learningreal-time systemsfraud detectionGCPhybrid worksenior level

    Requirements

    • •Experience building and operating high-availability real-time serving services with strict latency budgets
    • •Systems thinking with holistic architecture view and failure management
    • •Strong engineering craft with tested, typed, and maintainable code
    • •Ownership of feature or data pipelines end-to-end including troubleshooting metric divergences
    • •Ability to handle ambiguity and influence engineering teams

    What You'll Do

    • •Own the decisioning system and underlying platform for real-time transaction decisions
    • •Build, ship, and maintain the entire machine learning lifecycle
    • •Turn vague problems into well-defined solutions and lead teams
    • •Develop feature infrastructure across batch, near-real-time, and in-request paths
    • •Maintain alignment between training and serving models
    • •Integrate feedback loops to capture every decision and outcome
    • •Scale the platform as volume and model complexity grow
    • •Own services that score transactions in-flight within latency budgets
    • •Design degraded paths for fallback when models can't respond
    • •Mature replay, shadow, and staged-rollout tooling for safe model updates
    • •Own models across their lifecycle from training to retirement

    Nice to Have

    • •Experience with decision explainability systems including audit trails and attribution
    • •Experience with anomaly detection for novel attack patterns without existing labels
    • •Familiarity with GCP, BigQuery, Bigtable, Memorystore, Vertex AI, Kubernetes

    Benefits

    • •Competitive salary package
    • •Equity package with employee ownership
    • •Pay-for-performance equity bonus
    • •Moonshot award with $250,000 equity grant
    • •Employer pension contributions from day one
    • •Employee referral program with $10K in USDC
    • •Flexible Time Off
    • •Birthday leave
    • •Enhanced parental leave
    • •Hybrid working schedule with remote or office options
    • •Commuter benefits
    • •Private healthcare benefits
    • •Wellhub wellness membership
    • •Unlimited enterprise access to latest AI tools
    • •Lunch credit on office days
    • •Home office setup allowance
    • •Remote working allowance
    • •Monthly product budget and zero-fee crypto transactions
    • •$1,000 annual training budget
    • •High Potential Program with mentorship and development
    • •Regular remote company offsites
    • •Cycle to Work scheme (Ireland)
    • •EV Salary Sacrifice (UK)

    About Moonpay

    MoonPay is a fintech company providing payment infrastructure for converting fiat currencies into cryptocurrencies and NFTs.

    Dover, DE, US
    250 - 500
    Finance