Senior Backend Engineer

About the Role We need a Senior Backend Engineer with 5+ years of experience building production systems who has deep expertise in security, cryptography, and cloud infrastructure. You should be comfortable owning a platform end-to-end in a small, fast-moving team and have a track record of shipping secure, scalable backend services from scratch. Bonus points if you have experience with IoT, telematics, or fleet management systems where hardware communicates with cloud services. Compensation Base Salary: $170K – $240K Equity: Competitive equity Visa Sponsorship: Not available (must have legal authorization to work in the US) Relocation: Assistance available Work Arrangement Location: Alameda, CA Schedule: On-site (some flexibility may be discussed for strong candidates, but default expectation is full-time on-site given hardware integration needs) Benefits: Comprehensive medical/dental/vision insurance, 401(k) with company match, flexible PTO, paid holidays Key Responsibilities Architect, develop, and maintain the complete Secure Fleet & Financing Management System — backend APIs, web application, and supporting infrastructure — from the ground up Design and implement secure authentication, authorization, and encryption mechanisms to protect sensitive vehicle and financing data Collaborate with embedded and electrical teams to integrate backend services with physical on-vehicle hardware (IoT/telematics) Define and operate cloud infrastructure, CI/CD pipelines, and deployment processes as the sole owner of the backend platform Integrate backend services with mobile and web-based tools for end users, internal administrators, and merchant/point-of-sale systems Provide technical leadership on architecture decisions, framework choices, and long-term platform strategy Establish best practices for code quality, testing, logging, and system observability as the platform scales Mandatory Requirements Seniority: 5+ years building and shipping production backend systems Hard Skills: Expert proficiency in Go or TypeScript (Python/Rust/Java also viable) Authentication, encryption, and applied cryptography expertise Cloud infrastructure (AWS/GCP/Azure), containers, and CI/CD Data modeling and database design (relational/NoSQL) MQTT, WebSockets, or real-time data processing Hardware identity, key provisioning, or secure device onboarding Work Experience: Built production backend systems from 0 to 1 Security-critical or fintech infrastructure experience Designed and shipped APIs for mobile/web clients Prior early-stage startup or high-ownership role Education: BS in Computer Science or equivalent practical experience Domain Experience: IoT, telematics, or hardware-cloud integration experience Interest in EVs, motorcycles, or emerging markets Fleet management domain experience Tech Stack Go, TypeScript, AWS, GCP, Azure, Docker, CI/CD, MQTT, WebSockets, REST APIs, Cryptography, IoT Traits We Avoid No security/cryptography background whatsoever Dealbreakers No security/cryptography background whatsoever Cannot work on-site in Alameda, CA Requires visa sponsorship Under 3 years of experience