Senior Software Engineer

Orthogonal 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, 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 Intro conversation with our recruiting team Conversation with a Co-Founder Technical interview Work trial / Onsite Offer #J-18808-Ljbffr Orthogonal (YC W26)