Senior Backend Engineer
San Francisco, California, USA Hybrid
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About the role
We are looking for a Senior Backend Engineer to design and build the systems at the core of the Autonomic Logistics OS : the services that turn real-world constraints into real-time decisions, route millions of jobs to the right execution path, and keep promises across fleets, gig networks, and carrier providers. You will work directly with our VP of Engineering, CTO/ co-founder, alongside a tight, high-ownership engineering team. This is a role for someone energized by complexity. Logistics has no static optimum: stores close, weather changes, providers exit markets, demand shifts. The systems you build will sense those conditions, recalculate, and continuously refind the equilibrium in motion that keeps a customer’s promises intact. If you want to build the autonomic infrastructure that the next era of commerce will run on, and see your work compound across every retailer, fleet, and customer that runs on Nash, this is the role.
What you'll bring
- 5+ years building and shipping backend systems in production, with clear ownership of services that handled real load.
- Strong proficiency in Python and modern backend frameworks.
- Fluency designing RESTful APIs and working with relational databases (PostgreSQL, AWS RDS).
- Deep instincts for scalable system design and performance optimization, with a sharp eye for the failure modes that matter.
- Product sense: the ability to balance technical quality with speed and user value, and to push back when the right thing to build is not the thing on the spec.
- High agency in a fast-paced environment.
- You notice what needs improvement and act on it.
- A collaborative communicator who writes clearly and partners well across functions.
- Solid command of cloud platforms, managed services (serverless, queues, databases), and CI/CD pipelines.
- Experience with Go or TypeScript is a plus.
- Experience with AsyncIO, event-driven architectures, or integration-heavy systems.
- Familiarity with risk, security, or compliance-driven domains.