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LinkedIndavid@raydar.xyz

Backend Software Engineer

Fast-growing financial technology company

  • LocationSan Francisco, California
  • TypeFull-time
  • Posted1 October 2026

The role, as published

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. Own and build core backend infrastructure for a software platform, shipping production code from the start. The work covers designing systems and delivering features end to end with minimal direction, alongside senior leadership. It also offers a path toward technical leadership and a hand in shaping the engineering team.

What you'll do

  • Ship code to production early and take full responsibility for its quality.
  • Build and own core infrastructure, data storage layers and system architecture.
  • Write specs, design systems and deliver features end to end without heavy direction.
  • Extend and harden the existing codebase so it keeps pace as usage and complexity increase.
  • Collaborate directly with the founding team in a fast-paced, high-ownership environment.
  • Help hire teammates and contribute to engineering culture as the team expands.

What we're looking for

  • 2 to 7 years of backend development experience, with exceptional recent graduates considered if they have a strong internship track record.
  • Strong Python and backend fundamentals, with a record of shipping production-grade code quickly.
  • Depth in system design, including PostgreSQL and ownership of scalable architecture.
  • Comfort working in cloud environments with common API and container tooling.
  • A high-agency mindset and a habit of taking extreme ownership.
  • A history of solving hard problems independently.
  • Interpersonal skills and a desire to grow into a team lead position.
  • Based in or willing to relocate to San Francisco.

Bonus points

  • Prior experience as a CTO or founding engineer.
  • Strong competitive programming or research achievements.
  • Background at a high-caliber quantitative trading or financial firm.
  • Experience building software in regulated industries or financial services.
  • Relocation support

Location and work model

  • San Francisco, CA, United States
  • On-site
  • Full-time

Compensation, as the posting describes it

  • Equity

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Applying here sends your application to Raydar. If you also find this role on the company's own careers page, talk to us before you apply there. A direct application can mean we cannot represent you for that role.