Backend Software Engineer

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