Senior Software Engineer - Investments

Any Office or Remote💼 Full-time💰 $200,700–$200,700🗓 2026-09-04 → 2026-09-26

Core

Building scaled, novel, and compliant Trading & Custody systems for institutional-level cash management for high-growth startups.

Role type

Senior Software Engineer (Backend/Architect)

Builds

Treasury and Invest products powering customer assets and internal Investment Operations tools

Domain

Fintech, Broker-dealer trading, Custody

Deliverable

production ML models | product features | infrastructure

Required skills

Backend engineering, Architecting scalable systems, AWS infrastructure, Technical leadership, Cross-functional collaboration, Product ownership

Preferred skills

Domain knowledge of broker-dealer trading/custody (equities, fixed income, ETFs, mutual funds), Experience managing complex projects with many stakeholders

Technologies

AWS

Responsibilities

Lead high-impact cross-functional projects, Architect and scale brokerage trading/custody systems, Collaborate with product/ops/compliance to ship features, Drive technical decisions and articulate tradeoffs

Seniority

Senior, hands-on IC with leadership responsibilities

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About Mercury

Mercury is on a mission to defy those expectations. We're a financial technology company that helps startups spend less time banking* and more time building. We believe that the key to our success revolves around thoughtful design — and we hold the craft of that design to an exceptionally high standard. We're looking for a Staff Brand Designer who sets that bar: someone whose eye is so precise, and whose execution is so considered, that the work around them gets better just by virtue of their presence.