Nash - Senior Backend Engineer
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Requirements
• 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. Experience with Go or TypeScript is a plus. • Fluency designing RESTful APIs and working with relational databases (PostgreSQL, AWS RDS). • Solid command of cloud platforms (AWS preferred), managed services (serverless, queues, databases), and CI/CD pipelines. • 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. • Bonus • Experience with AsyncIO, event-driven architectures, or integration-heavy systems. • Familiarity with risk, security, or compliance-driven domains. • A track record building distributed systems that process large transaction volumes with strict reliability requirements. • Exposure to AI or rule-based automation systems, especially in operational contexts. • Prior startup experience (not required).
Responsibilities
• Design and build the backend services that power Nash’s decisioning, execution, and capacity layers, including job orchestration, carrier selection, real-time tracking, and post-purchase workflows. • Own complex systems from architecture through deployment, observability, and continuous performance work in production. • Build and harden the integrations that connect Nash to fragmented carrier networks, fleet systems, and partner APIs, treating reliability as a first-class product feature. • Collaborate with frontend, product, design, and data partners to ship intelligent, user-first experiences, and with operations to encode real-world workflows into how the system runs. • Improve transaction and policy infrastructure for accuracy, performance, and resilience as volume and modalities grow. • Raise the bar on documentation, testing, code quality, and incident response. • Make pragmatic technical bets that move the business forward without accumulating fragile complexity.
Benefits
• Nash is becoming the operating system that the world’s largest retailers, grocers, and pharmacies will run their logistics on. The backend systems you build sit at the center of it: making millions of decisions a day, holding promises through volatility, and continuously re-tuning how the network performs as the real world shifts. • 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.
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