Senior Software Engineer – Treasury

Mercury

Senior Software Engineer leading projects in Treasury engineering for fintech startup. Collaborating with cross-functional teams to define technical architecture and product features.

Posted 5/18/2026full-timeRemote • California, New York, Oregon • 🇺🇸 United StatesSenior💰 $166,600 - $263,450 per yearWebsite

Tech Stack

Tools & technologies

Haskell

About the role

Key responsibilities & impact

Lead high-impact, cross-functional projects across Treasury engineering, operations, compliance, and risk teams to build stable and scalable systems and processes
Play a significant role in defining the technical architecture and experience of the Treasury product
Collaborate with product, design, and operations to ship thoughtful features for our customers and internal users
Feel a strong sense of product ownership and actively seek responsibility – we want someone excited to help shape and build Mercury’s future
Join a team of experienced and junior product engineers managing billions of dollars of customer assets

Requirements

What you’ll need

Experienced with Haskell or another programming language with sufficiently similar static typing or functional paradigms
Domain knowledge of broker-dealer trading or custody systems that support both individual securities (equities, fixed income) as well as ETFs and mutual funds
Has been the technical lead of complex projects with many stakeholders with a track record of success
Made architectural decisions measuring the impact of those decisions over time. You should be able to clearly articulate your technical opinions and lay out tradeoffs
Comfortable mentoring both junior and senior engineers
Communicates and collaborates effectively with peers and cross-functional counterparts by being helpful and engaged

Benefits

Comp & perks

Competitive salary and equity ranges
Health insurance
Flexible work arrangements
Professional development opportunities
Reasonable accommodations for applicants with disabilities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Haskellstatic typingfunctional programmingarchitectural decision-makingproject management

Soft Skills

product ownershipresponsibilitymentoringcommunicationcollaboration