Senior Full-Stack Engineer - Risk Experience

About the Pont du Gard

Soaring high above the Gardon River, the Pont du Gard is a masterpiece of ancient Roman engineering, blending monumental scale with remarkable precision. Constructed in the 1st century CE, this aqueduct carried water over 30 miles to the Roman colony of Nemausus (modern-day Nîmes, France).

Built almost entirely without mortar, the Pont du Gard relied on meticulously cut limestone blocks, some weighing up to six tons, fitted so precisely that the structure has endured for nearly two thousand years. Its average gradient of 1 in 3,000 (about 0.03%) allowed water to flow steadily and efficiently across the vast distance, a testament to the Romans’ deep understanding of water management and infrastructure design.

About Mercury's Card Fraud and Disputes Team

Just as the Pont du Gard exemplifies ingenuity and precision, at Mercury, we draw inspiration from such timeless innovations. Our Card Fraud and Disputes team creates systems that are not only seamless and reliable but also built to last. For our customers, we provide effortless processes for submitting fraud and dispute claims. For our investigators, we develop tools that transform complexity into clarity and efficiency.

About the Role: Senior Full Stack Engineer

As a Senior Full Stack Engineer on the Card Fraud and Disputes Team, you’ll play a key role as a hands-on engineer in building seamless experiences: both for our customers and for empowering our internal Risk Operations team with robust and efficient tools. You’re a full-stack engineer with a strong sense of ownership who can autonomously drive projects with multiple stakeholders, who thrives in a collaborative, cross-functional environment.

Skills We're Looking For

• Ownership: Independently take ownership of and drive projects, from initial ideation to deployment, both through mastering the domain and owning the technical implementation. On larger projects you’ll break up the project and serve as a technical lead to multiple engineers.
• Full-Stack Development: Design, implement, and maintain backend APIs and front-end user interfaces, ensuring systems are both seamless and scalable.
• Technical Design and Documentation: Create and review technical design documents and API specifications, contributing to architectural decisions and system design.
• Cross-Team Collaboration: Work closely with product managers, designers, and risk operations stakeholders to deliver thoughtful and impactful solutions.

The Ideal Candidate

• Has 3-7+ years of demonstrated full-stack experience working at the senior level or higher with a strong sense of ownership, and has demonstrated experience independently driving projects from inception to completion.
• Is experienced with, or excited to learn, our frontend technologies including: React, TypeScript, and Redux.
• Is experienced with, or excited to learn, our backend technologies including: Haskell, Yesod, Persistent, and Postgresql.

Total Rewards

The total rewards package at Mercury includes base salary, equity (stock options), 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

About Mercury

Mercury is a financial technology company, not a bank. Banking services provided through Choice Financial Group, Column N.A, and Evolve Bank & Trust, 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 disabi