Backend Engineer

Company	Fellow
Location	San Francisco, CA, USA
Salary	$140000 – $155000
Type	Full-Time
Degrees
Experience Level	Mid Level, Senior

Requirements

4+ years of experience in backend engineering, with experience in TypeScript/Node.js, and python
Experience with common Node.js frameworks and libraries like Express.js and NestJS.
Experience with scalable database designs, preferably PostgreSQL
API Development using REST and GraphQL
Strong understanding of CI/CD pipelines
Hands-on experience with AWS IoT or similar IoT cloud services, including device management, OTA updates, and secure communication protocols.
Experience with AWS elastic cloud services
Familiarity with Ubuntu Docker Images

Responsibilities

Design, develop, and maintain robust and scalable backend services for our IoT platform.
Architect and deploy solutions on cloud platforms, particularly AWS, leveraging services like EC2, S3, Lambda.
Implement and manage AWS IoT Core and related services (e.g., Device Gateway, Message Broker, Rules Engine, Shadow).
Oversee the end-to-end process of deploying progressive OTA firmware updates to connected IoT devices. Ensure that updates are secure, reliable, and efficient.
Manage our cloud infrastructure using AWS IoT services, ensuring secure and scalable connectivity for devices.
Monitor system performance, identify bottlenecks, and implement enhancements to improve efficiency, reliability and cost.
Proactively address issues before they impact operations.
Design, develop, and maintain CI/CD pipelines to streamline code integration, testing, and deployment across mobile apps and IoT on-device firmware.
Work closely with the software development, product management, and QA teams to ensure that the entire development and release process is smooth and efficient.
Ensure security best practices are followed throughout the DevOps lifecycle, especially when handling OTA updates and production infrastructure.
Understand the latest architecture approaches in secure IoT device provisioning and management for consumer hardware. Make continued recommendations to evolve our designs.
Identify potential risks in software development and create strategies to mitigate them, ensuring the safety and efficacy of our appliances.

Preferred Qualifications

Experience with MQTT or other IoT communication protocols.
Familiarity with testing and validation for IoT hardware devices.
Experience with e-commerce integrations
Experience with mobile app deployment, managing updates and mapping compatibility between on-device firmware and new mobile app capabilities.
Familiarity with security practices for IoT devices and systems, including encryption, secure boot, and TLS/SSL protocols.
Familiarity with hardware interfaces and programming for flashing firmware to embedded devices.