Senior Fullstack Engineer, Growth

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

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