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LinkedIndavid@raydar.xyz

Software Engineer

Fast-growing technology company

  • LocationSan Francisco, California
  • TypeFull-time
  • Posted12 October 2026

The role, as published

About the company

Our client is a fast-growing technology company.

The role

Raydar is recruiting for this role on behalf of our client. Own projects from concept to launch as a full-stack engineer, building backend services, web interfaces and internal tooling in a fast-moving environment. The work spans prototyping, deployment and reliability improvements, with regular collaboration across functions and with external technical stakeholders.

What you'll do

  • Design and build scalable systems, including APIs, simulation environments and internal platforms that involve human review.
  • Partner with research, product and design colleagues to deliver features quickly.
  • Produce readable, well-structured code and keep supporting technical notes up to date.
  • Take part in code reviews and design discussions.
  • Tackle real-world scalability and reliability problems.
  • Contribute to core infrastructure supporting data and evaluation workflows.

What we're looking for

  • Full-stack capability with React, Node.js or Python, and container orchestration with Kubernetes.
  • Track record of building something end to end with a strong sense of ownership.
  • Experience at a high-growth startup, a respected trading firm, or as a founding engineer at a well-resourced startup.
  • For candidates with a big tech background only, a computer science degree from a leading program.
  • A degree from a highly ranked university in the US, Canada or Europe.
  • Comfort working directly with external researchers as a client-facing technical partner.
  • Willingness to work on-site five days a week, with flexible hours.

Bonus points

  • Experience with Kafka, Redis or Elasticsearch.
  • Background at a company in the human data or AI data space.
  • For early-career candidates, multiple internships at top-tier technology companies.

Location and work model

  • San Francisco, CA, United States
  • On-site, 5 days a week
  • 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.