Senior Full Stack Engineer

Posted 2 Days Ago
Hiring Remotely in United States
Remote
180K-200K Annually
Senior level
Professional Services • Consulting
The Role
Build and maintain payment infrastructure for an online marketplace, including payment flows, banking integrations, internal ledgers, and financial record-keeping systems. The role focuses primarily on backend development in Python, with additional web and mobile frontend work using React. Engineers will support high-value transfers, new financial products, and collaborate within a small payments team.
Summary Generated by Built In

About the company

Our client is a financial technology company.

The role

Raydar is recruiting for this role on behalf of our client. Build and run payments infrastructure for an online marketplace, spending most of your time on backend services and the rest on user-facing applications. You will own the systems that move money and keep accurate financial records, and extend them to support new financial offerings.

What you'll do

- Build and maintain payment flows that handle high-value transfers through outside processors and banking partners.

- Design and maintain the internal accounting records that track funds across the platform.

- Create additional record-keeping systems to support upcoming financial products.

- Divide your time between backend development, mainly in Python, and web and mobile front-end work.

- Work within a small payments group, picking up tasks from a ticket queue.


Requirements

What we're looking for

- 3 to 5+ years of experience as a full stack engineer, with a strong backend emphasis (about 70% or more backend).

- Hands-on experience with bank transfer methods such as ACH, wire and instant payment networks.

- Experience handling sizable transfers and maintaining a ledger-based accounting model.

- A background at a financial technology business that manages its own books of record.

- Proficiency in Python or TypeScript.

- Experience building front ends with React.

- Comfort using AI coding assistants as a regular part of your daily engineering routine.

Bonus points

- Mobile development experience, including React Native.

- Time spent at a young company or on a very small engineering team.


Benefits

Compensation and benefits

- Base salary: USD 180,000 to 200,000 per year

- Equity

- Health coverage including HSA

- Paid parental leave

- Flexible time off

- Retirement plan

Location and work model

- Remote (US)

- Full-time

Skills Required

  • 3 to 5+ years of experience as a full stack engineer, with at least 70% backend focus
  • Hands-on experience with ACH, wire, and instant payment networks
  • Experience handling sizable transfers and maintaining a ledger-based accounting model
  • Experience at a fintech business managing its own books of record
  • Proficiency in Python or TypeScript
  • Experience building frontend applications with React
  • Comfort using AI coding assistants regularly
  • Mobile development experience, including React Native
  • Experience at a young company or very small engineering team
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The Company
28 Employees
Year Founded: 2021

What We Do

Raydar is a talent acquisition and business consulting firm that connects world-class and emerging talent with growing organizations. It supports companies through team development, strategic hiring, and customized growth solutions, helping clients recruit roles such as engineers, product managers, executives, legal counsel, and quantitative traders. Raydar focuses on understanding each organization’s needs, culture, and long-term goals to build high-impact teams.

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