Orthogonal Verified
Software Development
Senior Software Engineer
San Francisco, CAOnsiteFull TimeSeniorPosted 5 days agoVisa sponsorship availableHidden Gem · YC Startup
Required skills
- full-stack
- high-growth company
- startups
- data structures
- system design
- API design
- ownership
- curiosity
- simple solutions
- complex problems
Nice to have
- payments
- crypto
Role summary
Orthogonal is seeking a Senior Software Engineer to join their early-stage, full-stack team in San Francisco. The role involves building the discovery, orchestration, and payment layer for the internet, working directly with founders. Responsibilities include full-stack development using TypeScript, Next.js, and Postgres, focusing on scalability, reliability, and end-to-end feature ownership. The ideal candidate has 5+ years of full-stack experience in a high-growth startup environment, with a strong understanding of system and API design. Experience in payments or crypto is a plus. This is an onsite role with a generous equity grant and flexible work environment.
[**Orthogonal**](https://www.orthogonal.com/)is the discovery, orchestration, and payment layer for the internet. Through a single integration, agents can discover new capabilities, access services instantly, and pay for them seamlessly.
Founded by a team that built at the intersection of payments, APIs, infrastructure, and AI at Coinbase, Vercel, Google, and Amazon Robotics. We've raised a [$4.3 million seed round](https://www.orthogonal.com/blog/orthogonal-raises-4-3-million-seed-round), led by Pantera Capital and backed by Y Combinator, Pioneer Fund, Decasonic, Blast, Outbound, Surreal by Premise, and other strategic investors.
**What you'll do**
You would be one of the first engineering hires, working directly with the founders—Full-stack IC work: We work in Vercel with a TypeScript backend and a Next.js frontend. We use Postgres as our database.
- Collaborate across research, product, and design to ship features quickly
- Write clean, maintainable code and contribute to documentation
- Participate in code reviews and design discussions
- Solve real-world scalability and reliability challenges
- Own features end to end, including deployment, monitoring, and production support
- Mentor teammates and contribute to engineering best practices
**What we're looking for**
- 5+ years of full-stack experience with a high-growth company
- Background in startups or a fast-paced product environment
- Solid grasp of data structures, system design, and API design
- Experience leading projects or mentoring engineers
- Bias toward ownership, curiosity, and delivering simple solutions to complex problems
- Based in SF or willing to relocate
- Value autonomy over process
- Bonus: Experience in payments/crypto
**Benefits**
- Generous equity grant vested over 4 years
- Flexible work schedule and open vacation policy
- Access to medical, dental, and vision plans
- Wellness and commute stipends
- All the tools you need (laptop, monitor, etc.)
**Interview Process:**
1. Intro conversation with our recruiting team
2. Conversation with a Co-Founder
3. Technical interview
4. Work trial / Onsite
5. Offer
##
Founded by a team that built at the intersection of payments, APIs, infrastructure, and AI at Coinbase, Vercel, Google, and Amazon Robotics. We've raised a [$4.3 million seed round](https://www.orthogonal.com/blog/orthogonal-raises-4-3-million-seed-round), led by Pantera Capital and backed by Y Combinator, Pioneer Fund, Decasonic, Blast, Outbound, Surreal by Premise, and other strategic investors.
**What you'll do**
You would be one of the first engineering hires, working directly with the founders—Full-stack IC work: We work in Vercel with a TypeScript backend and a Next.js frontend. We use Postgres as our database.
- Collaborate across research, product, and design to ship features quickly
- Write clean, maintainable code and contribute to documentation
- Participate in code reviews and design discussions
- Solve real-world scalability and reliability challenges
- Own features end to end, including deployment, monitoring, and production support
- Mentor teammates and contribute to engineering best practices
**What we're looking for**
- 5+ years of full-stack experience with a high-growth company
- Background in startups or a fast-paced product environment
- Solid grasp of data structures, system design, and API design
- Experience leading projects or mentoring engineers
- Bias toward ownership, curiosity, and delivering simple solutions to complex problems
- Based in SF or willing to relocate
- Value autonomy over process
- Bonus: Experience in payments/crypto
**Benefits**
- Generous equity grant vested over 4 years
- Flexible work schedule and open vacation policy
- Access to medical, dental, and vision plans
- Wellness and commute stipends
- All the tools you need (laptop, monitor, etc.)
**Interview Process:**
1. Intro conversation with our recruiting team
2. Conversation with a Co-Founder
3. Technical interview
4. Work trial / Onsite
5. Offer
##
Similar roles
- Growth LeadOrthogonal · San Francisco, CA · Onsite
- Design EngineerOrthogonal · San Francisco, CA · Onsite
Software Engineer, ML Workload PlatformCohere · Remote · Remote- Senior Fullstack Software EngineerNovellia · Remote · Remote
- Staff Software Engineer, MLApptronik · Sunnyvale, CA · Onsite
Software Engineer, ML OpsAeroVect · Toronto, ON · Onsite
