# Senior Software Engineer - Treasury

**Company:** [Mercury](https://hotfix.jobs/companies/mercury)
**Location:** Remote
**Role:** Fullstack Engineering
**Salary:** $167k – $263k/yr
**Experience:** 0+ years
**Skills:** Haskell, Functional Programming, Static Typing, Broker-Dealer Systems, Custody Systems, Equities, Fixed Income, Etfs, Mutual Funds, Technical Architecture
**Posted:** 2026-05-18

> Lead cross-functional projects and define technical architecture for Mercury's Treasury platform managing billions in startup cash. Requires Haskell or similar functional programming experience plus broker-dealer domain knowledge.

## Job Description

## Responsibilities
- 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
- Take strong product ownership and actively seek responsibility to help shape and build Mercury’s future
- Work as part of a team of experienced and junior product engineers managing billions of dollars of customer assets

## Requirements
- Experience 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
- Technical lead experience on complex projects with many stakeholders and a track record of success
- Experience making architectural decisions, measuring their impact over time, and articulating technical opinions and tradeoffs
- Comfortable mentoring both junior and senior engineers
- Strong communication and collaboration skills with peers and cross-functional counterparts

## Compensation
US employees (any location): $166,600 - $263,450
Canadian employees (any location): CAD $157,400 - $248,950

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