OpenFX - L3 Tech Lead
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Requirements
• 8 to 10+ years building backend systems in production environments • Proven ownership of large, business critical backend systems • Strong fundamentals in system design, data modeling, and backend engineering • Deep experience with failures, retries, concurrency, and distributed systems • Track record of making and defending hard technical tradeoffs • Experience mentoring senior engineers and influencing technical direction • Ability to clearly communicate complex technical decisions to non technical stakeholders • Preferred (Accelerates ramp, not required): • Experience in fintech, payments, or high transaction volume systems • Experience designing ledgers or financial correctness systems • Hands on experience with PostgreSQL, Redis, Kafka, or similar technologies • Strong observability and incident management experience • Prior experience as a Tech Lead or Senior Engineer
Responsibilities
• Own end to end architecture for critical money movement systems such as transaction orchestration, ledgers, reconciliation, pricing pipelines, or partner integrations. • Own end to end architecture for critical money movement systems • Set technical direction and standards for backend systems, including correctness guarantees, failure handling, observability, and API design. • Set technical direction and standards • Lead system design for new initiatives by decomposing ambiguous business problems into scalable, reliable architectures. • Lead system design for new initiatives • Reduce systemic operational risk by identifying cross service failure modes, data inconsistencies, and scalability bottlenecks. • Reduce systemic operational risk • Be the final technical reviewer for designs and critical changes that affect correctness, money movement, or platform stability. • Be the final technical reviewer • Mentor and level up engineers by reviewing designs, code, and incident responses, and by modelling strong ownership. • Mentor and level up engineers • Partner closely with Product, Ops, Risk, and Infra leadership to align technical decisions with business priorities. • Partner closely with Product, Ops, Risk, and Infra leadership • Move core system metrics such as transaction success rate, latency, incident frequency, and reconciliation accuracy across multiple services. • Move core system metrics • What Success Looks Like • System quality at scale: Core systems are correct, resilient, and observable even under failure and peak load • System quality at scale: • Technical leadership: Engineers make better decisions because of the standards, guidance, and reviews you provide • Technical leadership: • Operational excellence: Incidents are fewer, smaller in blast radius, and faster to resolve • Operational excellence: • Execution leverage: Teams ship faster with less rework due to clear architecture and decision making • Execution leverage: • Trust: Product, Ops, and Engineering leaders rely on your judgment for high stakes decisions • Trust:
Benefits
• Impact: Decisions you make affect real money, risk exposure, and company level outcomes. • Impact: • Leverage: Your work multiplies through teams and systems, not just individual contributions. • Leverage: • Ownership: You own technical outcomes, not just delivery. • Ownership: • Scope: You will shape backend engineering standards as the company scales. • Scope: • Access: You work directly with senior engineering leadership, product leadership, and founders. • Access:
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