# Senior Backend Engineer

> Raydar · San Francisco, United States · Full-time · Posted 2026-10-01

**Salary:** USD 170,000–230,000

**Workplace:** on_site

## Description

About the company

Our client is a fast-growing financial technology company.

The role

Raydar is recruiting for this role on behalf of our client. Lead the design and delivery of core backend systems for a software platform, taking ambiguous problems from first idea to dependable production services. The work spans data infrastructure, transaction-handling services and internal tooling, with a high degree of autonomy in a fast-paced startup setting.

What you'll do

\- Build and maintain production backend services for core data and transaction infrastructure using TypeScript and Node.js.

\- Design APIs, services and data models that other teams rely on, prioritizing correctness and reliability.

\- Develop internal tooling that gives colleagues clearer visibility into data and automated outcomes so they can work faster.

\- Drive loosely defined projects from problem framing through a proposed approach, incremental releases and continued refinement.

\- Improve the reliability, latency and accuracy of systems that influence business-critical decisions.

## Requirements

What we're looking for

\- 5+ years of backend engineering experience.

\- A history of taking sole responsibility for a significant initiative from start to finish, ideally in a startup or a highly selective technology company.

\- Strong production experience with TypeScript.

\- Strong SQL and relational database skills.

\- Prior experience building payments systems.

\- Experience with AWS and serverless architecture.

\- Proficiency in Python.

\- Experience with data pipelines or ETL.

\- Bachelor's degree in computer science or a related technical field.

## Benefits

Compensation and benefits

\- Base salary: USD 170,000 to 230,000 per year

\- Equity

Location and work model

\- San Francisco, California, United States

\- On-site, 3 days per week in office

\- Full-time

## Apply

[Apply at Raydar](https://apply.workable.com/raydar/j/AE8EEC8921/apply)

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