Senior Fullstack Engineer, Growth

Job Description:

• Own and evolve backend services behind onboarding, verification, activation, and the sign-up-to-purchase funnel
• Design and build event-driven, workflow-orchestrated systems that continuously evaluate account states and trigger actions
• Integrate with identity verification, KYB/KYC, and fraud/risk providers
• Ensure integrations are resilient, well-monitored, and fail safely
• Handle credit and payment data responsibly in personalization and reactivation logic
• Design and run experiments with guardrail metrics
• Write SQL and work directly in Snowflake or similar warehouses for cohort and funnel analysis
• Diagnose time-to-activation, time-to-churn, and other funnel problems
• Define problems without established playbooks and develop solutions
• Use AI agents to accelerate building and testing funnel and lifecycle services
• Review and verify AI-assisted analytical queries and generated output before use
• Evaluate AI-generated messaging, reactivation copy, and churn-cause suggestions critically
• Collaborate with Product, Data, and Risk in the Growth Pod

Requirements:

• 4–7 years of experience
• Strong backend product engineering experience, most likely in TypeScript/Node.js
• Ownership of funnel-critical, production services
• Hands-on experience with event-driven architectures and workflow orchestration
• Genuine experimentation rigor, including guardrail metrics and distinguishing real results from noise
• Strong SQL and warehouse fluency, including Snowflake or similar
• Confidence performing cohort and funnel analysis independently
• Comfort using AI agents to build and test software and draft and sanity-check analytical work
• Judgement to catch subtle errors in AI-generated output
• High tolerance for ambiguity
• Practical fluency evaluating AI-generated copy, messaging, or root-cause suggestions
• Nice to have: experience with identity verification, KYB/KYC, fraud and risk providers
• Nice to have: experience handling credit, payment, or sensitive financial data
• Nice to have: experience in a high-growth marketplace or fintech environment
• Nice to have: familiarity with Temporal, AWS Step Functions, Kafka, or similar tooling
• CV must be submitted in English

Benefits:

• Flexible working hours
• Remote-first culture
• Real opportunities for growth and learning
• Unlimited holiday allowance
• Opportunity to join during an exponential expansion phase