Full Time Software Engineer Startup Jobs in California

We are considering full-time/ part-time applicants for Summer and Fall 2026. The ideal candidate ... They should also be excited to adapt, learn quickly, and grow in a fast-paced startup environment.

Junior Software Engineer w/ Equity (Engineering Automation Startup) (Ivy League Schools Only) Location: San Francisco, CA (in-person) Job Duration: Full-Time/Permanent Job Overview Are you an ...

Has 4+ years experience as a full-time software engineer or equivalent experience building large distributed systems * Thrives in ambiguous environments with significant ownership and with the ...

We are hiring on behalf of a venture-backed AI startup building intelligent software that automates ... Its engineering team is small, product-oriented, and responsible for taking ideas from early ...

We are hiring on behalf of a venture-backed AI startup building intelligent software that automates ... Its engineering team is small, product-oriented, and responsible for taking ideas from early ...

This is an impactful role within a fast-paced startup. The ideal candidate is someone who has ... This full-time role includes stock options, generous PTO, health insurance, and a 4% 401k match.

This is an impactful role within a fast-paced startup. The ideal candidate is someone who has ... This full-time role includes stock options, generous PTO, health insurance, and a 4% 401k match.

This is an impactful role within a fast-paced startup. The ideal candidate is someone who has ... This full-time role includes stock options, generous PTO, health insurance, and a 4% 401k match.

San Francisco, CA (required 5 days/week in-office) Type: Full-Time Compensation: $150,000-$300,000 ... S taff-level or quickly promoted engineer at a startup or AI-first company * F ormer founder or ...

San Francisco, CA (required 5 days/week in-office) Type: Full-Time Compensation: $150,000-$300,000 ... startup or top AI company (e.g., Stripe, Ramp, OpenAI, Anthropic) - Strong backend or full-stack ...

About the Role A well-funded, seed-stage B2B SaaS startup in the supply chain integrations space is looking for a Founding Software Engineer to help shape the architecture, culture, and product ...

Senior Software Engineer Location: San Francisco (hybrid, 3 days in-office; NYC option depending on ... Full-Time Priority: High About the Company The Company is a small, fast-paced startup in the ...

About the Role A well-funded, seed-stage B2B SaaS startup in the supply chain integrations space is looking for a Founding Software Engineer to help shape the architecture, culture, and product ...

Senior Software Engineer Location: San Francisco (hybrid, 3 days in-office; NYC option depending on ... Full-Time Priority: High About the Company The Company is a small, fast-paced startup in the ...

We are looking for a highly skilled generalist software engineer who is comfortable with both front ... Ability to work quickly and independently-this is a startup! Strong preference for generalists.

They are seeking Software Engineers who are passionate about space exploration and responsible for ... Startup & Agile software development methodologies is a plus Company : Epsilon3 is the OS for ...

We're not just another composites shop-we're a technology-first manufacturing startup building the ... We are looking for highly motivated Software Engineers to join our team as key members of our ...

We're not just another composites shop-we're a technology-first manufacturing startup building the ... We are looking for highly motivated Software Engineers to join our team as key members of our ...

We're not just another composites shop--we're a technology-first manufacturing startup building the ... We are looking for highly motivated Software Engineers to join our team as key members of our ...

Preferred background * 5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup. * Strong proficiency in C/C++ or Rust. * Knowledge of ...