Senior Backend Engineer

RST Recruitment; Alameda (CA); On-site; USD 150,000 - 230,000; Full time

Job summary

RST Recruitment is seeking a senior backend engineer to own the Secure Fleet & Financing Management System from end to end. You will design secure authentication, encryption, and scalable APIs, collaborating with embedded teams to connect cloud services to on-vehicle hardware.

The role requires 5+ years in backend engineering, strong cryptography expertise, and proven leadership in fast-moving teams. You will shape cloud infrastructure and CI/CD pipelines, ensuring robust observability,

Qualifications

• 5+ years of backend engineering experience in production systems.
• Strong expertise in security, cryptography, and cloud infrastructure.
• Ability to own a platform end-to-end in a small team.
• Experience shipping secure, scalable backend services from scratch.
• Bonus: IoT, telematics, or fleet management systems.

Responsibilities

• Architect, develop, and maintain the Secure Fleet & Financing Management System backend APIs, web app, and supporting infrastructure from the ground up.
• Design and implement secure authentication, authorization, and encryption to protect vehicle and financing data.
• Collaborate with embedded and electrical teams to integrate backend with on-vehicle hardware (IoT/telematics).
• Define and operate cloud infrastructure, CI/CD pipelines, and deployment processes as the backend platform owner.
• Integrate backend services with mobile and web tools for end users, administrators, and merchant/pos systems.
• Provide technical leadership on architecture decisions, framework choices, and long-term platform strategy.
• Establish best practices for code quality, testing, logging, and observability as the platform scales.

Skills

Backend architecture

Security cryptography

Cloud infrastructure

Leadership

IoT integration

Tools

AWS

GCP

Azure

Docker

CI/CD

WebSockets

MQTT

Job description

What we're looking for:

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.

What you'll do:

• 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

Tech stack:

Go, TypeScript, AWS, GCP, Azure, Docker, CI/CD, MQTT, WebSockets, REST APIs, Cryptography, IoT