Senior Software Engineer - Fintech, Full-Stack & Systems

Royper Royco LLC; United States; Remote; USD 167,000 - 208,000; Full time

Job summary

Mercury is seeking a Senior Software Engineer to own architecture and deliver reliable fintech software. You will work on the Cards Integration stack, building features from debit/credit card experiences to money movement, with a focus on observability and reliability.

A strong full-stack background and experience making architectural decisions are required, and mentoring teammates is encouraged. Our stack includes Haskell and TypeScript, and curiosity about payments helps you move fast.

Qualifications

• Strong full-stack experience with a product mindset.
• Experience making architectural decisions on complex systems.
• Ability to mentor others and lead design reviews.
• Clear communication and ability to handle ambiguity.
• Interest in fintech/payments is a bonus.

Responsibilities

• Lead projects from idea to launch with PM/EM and teammates.
• Learn how debit and credit cards work and apply knowledge daily.
• Build features across the stack from card experiences to backend money movement.
• Improve observability and reliability of Mercury systems.
• Collaborate with product, design, operations, risk, compliance, sales teams.

Skills

Full-stack experience

Systems thinking

Architectural decisions

Mentoring others

Communication

Tools

Haskell

TypeScript

Job description

Mercury is seeking a Senior Software Engineer to own architecture and deliver reliable fintech software. You will work on the Cards Integration stack, building features from debit/credit card experiences to money movement, with a focus on observability and reliability.

A strong full-stack background and experience making architectural decisions are required, and mentoring teammates is encouraged. Our stack includes Haskell and TypeScript, and curiosity about payments helps you move fast.