Senior Software Engineer, Mercury

Investments

$166.6-263.4k

Canadian employees (any location): CAD $157,400 - 248,950. All locations are eligible for equity

Haskell

Senior and Expert level

New York

San Francisco Bay Area

Remote from Canada, US

Banking services for startups and small businesses

Be an early applicant

Banking services for startups and small businesses

1001+ employees

FintechB2BBankingFinancial Services

Be an early applicant

$166.6-263.4k

Canadian employees (any location): CAD $157,400 - 248,950. All locations are eligible for equity

Haskell

Senior and Expert level

New York

San Francisco Bay Area

Remote from Canada, US

1001+ employees

FintechB2BBankingFinancial Services

Company mission

To make scaling tech companies simpler with a personalized banking stack for startups, and power the next generation of companies that will shape the American industry.

Job

Company

Role

Who you are

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

What the job involves

Mercury brings that same spirit to building an exceptional banking* experience for all
Our Treasury team builds the answer founders are looking for what to do with their idle cash
We’ve created a financial platform that helps startups put their idle cash to work
It helps startups manage their cash with confidence, combining safety and yield in one elegant package
Think of it as institutional-grade cash management, reimagined for ambitious startups
The Treasury team is a team of full-stack engineers that are building thoughtful products that manage billions in customer funds, all while helping Mercury scale
We operate with a high degree of quality and care because we understand today's startups, like their historical counterparts, require solutions that go beyond
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

Our take

Frustrated by the archaic, fee-laden banking services offered to entrepreneurs, the founders of Mercury set out to create a better solution. They envisioned a platform that was dynamic, tech-driven, and free from unnecessary fees.

Mercury delivers on this vision by automating business payment processes, offering FDIC-insured accounts, and providing full API access, empowering entrepreneurs with greater control and efficiency. This approach stands in stark contrast to traditional startup banking, which often burdens young businesses with high fees and limited functionality.

By prioritizing user experience and offering a free service tier, Mercury has attracted over 200,000 businesses and achieved a $3.5B valuation as of 2025. As a rising unicorn in the stagnant world of startup banking, mercury is backed by substantial funding and poised for continued growth, constantly adding new features and expanding its team to further disrupt the industry.

Kirsty

Company Specialist at Welcome to the Jungle

Insights

Top investors

50% employee growth in 12 months

Glassdoor (4.5)

Trustpilot (4.1)

Company

Funding (last 2 of 5 rounds)

Mar 2025

$300m

SERIES C

Jul 2021

$120m

SERIES B

Total funding: $450.9m

Company benefits

Health, dental, & vision
12+ weeks of paid parental leave
$600 USD custom WFH equipment setup
Unlimited vacation policy (with a mandatory minimum)
Annual $1K learning & development budget
Paid 6-week sabbatical after the 5-year mark
Weekly $100 food budget
Monthly $100 wellness budget
Monthly $50 cellphone reimbursement
Pet-friendly offices with free tea and beverages, plus lunch and snacks
Unlimited vacation policy (with a mandatory minimum)
Retirement matching up to 4% of base salary (401K/RRSP)
Inclusive fertility, hormonal health, and family-forming benefits through Carrot Fertility

Company HQ

SoMa, San Francisco, CA

Leadership

Jason Zhang

(Co-Founder & COO)

Jason graduated from Stanford University with a Bachelor of Science in Biology before spending over 4 years at Heyzap in Business Development.

Immad Akhund

(Co-Founder & CEO)

Immad graduated from the University of Cambridge with a Masters in Computer Science. He then worked as a Software Developer at Aquila and Bloomberg. He also founded Clickpass and Heyzap, and was a Part-time Partner at Y Combinator.

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