- Raydar
- San Francisco, CA
- Full-Time
- 23 days ago
- $150,000–$300,000 / year
Software Engineer.
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Software Engineer: our view in 3 lines...
- The Role:This role is for a software engineer building core platform software at an early-stage company developing AI-driven application features.
- The Person:The person will build AI agents, develop the infrastructure for customer-facing services, own core systems and architectural decisions, and establish engineering conventions and working practices.
- Requirements:The candidate should have 2 to 5 years of professional software engineering experience, TypeScript and modern web application experience across the stack, and practical experience creating applications powered by LLMs and autonomous agents.
About the role
About the company
Our client is an early-stage software company.
The role
Raydar is recruiting for this role on behalf of our client. Design and build core platform software with a very small engineering group, covering both AI-driven application features and the infrastructure underneath them. The work includes owning major systems from design through production and helping define how the team engineers software.
What you'll do
- Design and build specialized AI agents from the ground up.
- Develop and maintain the infrastructure that hosts and runs customer-facing services.
- Take full ownership of core systems, making key architectural choices early.
- Set the engineering conventions and working practices that the team will follow as it grows.
- Split your time between the AI application layer and the more demanding infrastructure layer.
Requirements
What we're looking for
- 2 to 5 years of professional software engineering experience, including time in a startup setting.
- A record of delivering and maintaining sizeable software products from concept to production.
- Solid working knowledge of TypeScript and building modern web applications across the stack.
- Practical experience creating applications powered by LLMs and autonomous agents.
- A bachelor's degree in computer science or engineering, with room for flexibility given a strong professional record.
- A strong academic or startup background.
- Comfort working independently and creating new systems with little guidance.
Bonus points
- Prior experience founding a company or serving as an early engineer on a new product.
- Personal projects, such as self-built AI tools or shipped products, that demonstrate initiative.
Benefits
Compensation and benefits
- Base salary: USD 150,000 to 300,000 per year
- Equity
- Health coverage
- Retirement plan with employer match
Location and work model
- San Francisco, CA, United States
- On-site, 5 days per week in office
- Full-time

