Senior Backend JavaScript Developer - San Francisco Office

Description

Tech Stack

Responsibilities

• End-to-end feature development, from design and implementation to production rollout and ongoing improvements.
• Build and maintain high-scale backend services with strong emphasis on performance, reliability, and security.
• Participate in system design and architecture planning to ensure scalable and maintainable solutions.
• Work on networking-related challenges such as traffic flows, proxy behavior, request/response handling, and protocol-level edge cases.
• Investigate and troubleshoot complex networking issues using tools such as Wireshark (and similar packet inspection/debugging tools).
• Write high-quality, maintainable code with appropriate test coverage; participate actively in code reviews.
• Collaborate closely with engineers and stakeholders to deliver impactful solutions.
• Continuously learn and apply best practices in backend engineering and networking.

Requirements

• 5+ years of hands-on software engineering experience, including 2+ years focused on backend JavaScript / Node.js development.