Senior Full-Stack Engineer
Mercury — Tracked from its greenhouse job board
About the role
Since the dawn of aviation, pilots have faced the constant challenge of air resistance, much like sailors navigating the friction of water. Amidst this relentless struggle, the trim tab emerges as an ingenious yet understated marvel. Just as the wheel revolutionized transportation by easing movement over land, the trim tab simplifies flight, allowing for smoother navigation through the skies. It embodies the elegance of simplicity in engineering, transforming the demanding task of controlling an aircraft into a more graceful and manageable endeavor.
At Mercury, we are committed to crafting an exceptional banking* experience for startups. Our team is passionately focused on ensuring our product not only meets but anticipates the needs of our customers.
Our product engineering group is growing and we’re looking to hire senior full-stack engineers . We’re a team of pragmatic, product-minded engineers motivated by the desire to create lovable products that rescue our customers from frustrating, expensive legacy industry tools.
As part of this role, you will:
Feel a strong sense of product ownership and actively seek responsibility – we often self-organize on small/medium projects, and we want someone excited to help shape and build Mercury’s future.
Work in an autonomous environment on a close-knit team, with a “startup within a startup” feel.
Partner closely with designers and product leaders to ship lovable experiences. We want to transcend the status quo for banking and fintech software, and many of our customers are startups and appreciate our slick, magical designs.
Join a team of experienced product engineers within one of our Mercury product groups such as Banking, Experiences, Expansion, or Risk.
The ideal candidate for the role:
Has 3-7 years of full-stack development experience, with knowledge of or excitement to learn Haskell, React, TypeScript, and Redux.
Empathizes with users and can channel their perspective to build lovable products.
Can balance tradeoffs and find creative solutions to accomplish goals.
Actively incorporates AI tools into their workflow and is excited about leveraging them to amplify their impact — whether that's accelerating development, improving code quality, or finding creative solutions to hard problems.
Communicates and collaborates effectively with peers and cross-functional counterparts.
If this role interests you, we invite you to explore our public demo at demo.mercury.com .
The total rewards package at Mercury includes base salary, equity (stock options/RSUs), and benefits. Our salary and equity ranges are highly competitive within the SaaS and fintech industry and are updated regularly using the most reliable compensation survey data for our industry. New hire offers are made based on a candidate’s experience, expertise, geographic location, and internal pay equity relative to peers.
Our target new hire base salary ranges for this role are the following:
US employees (any location): $166,600 - $208,300
Canadian employees (any location): CAD 157,400 - 196,800
*Mercury is a fintech company, not an FDIC-insured bank. Banking services provided through Choice Financial Group and Column N.A., Members FDIC.
Mercury values diversity & belonging and is proud to be an Equal Employment Opportunity employer. All individuals seeking employment at Mercury are considered without regard to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, sexual orientation, or any other legally protected characteristic. We are committed to providing reasonable accommodations throughout the recruitment process for applicants with disabilities or special needs. If you need assistance, or an accommodation, please let your recruiter know once you are contacted about a role.
#LI-DNI
What the index says about this role
- First seen by JobLarper — Aug 2, 2026, 5 days ago. Older postings collect hundreds of applicants — a tailored résumé matters more the longer a role has been live.
- No pay range in our index for this listing. Across 164 indexed Full Stack Engineer roles in US that do publish one, the middle half sits between $195k and $278k, median $225k — JobLarper's read of the market, not a figure from Mercury.
- What Full Stack Engineer roles ask for — across 791 indexed openings: Full-Stack (100%), Frontend (66%), Backend (66%), React (65%), REST/APIs (60%). This posting names Full-Stack, React, REST/APIs, TypeScript.
- Mercury is hiring actively — 18 open roles indexed.
Derived from the 27,000 roles JobLarper indexes daily from official company boards — not from the job description above.
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