Senior Backend Engineer - Networking & High-Scale Node.js

Bright Data; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Bright Data in San Francisco is seeking exceptional Backend JavaScript Developers to own and operate core services powering our proxy network infrastructure. You will tackle performance, security, and scalability challenges in production.

You'll work on end-to-end delivery, design reviews, and production-grade code in Node.js, MongoDB, Redis, and Kubernetes. The role demands strong English communication and a bias for action in a fast-paced environment.

Qualifications

• 5+ years of hands-on software engineering experience, including 2+ years focused on backend JavaScript / Node.js development.
• Very good understanding of how the Node.js event loop works, including I/O vs CPU-bound workloads, async patterns, blocking pitfalls, memory/GC considerations.
• Proven experience building and operating production backend services.
• Strong understanding of network protocols and security, including: TCP/IP/UDP, DNS, HTTP1/2/3, TLS and WebSockets.
• Experience with databases and caching layers such as MongoDB and Redis.
• Familiarity with Kubernetes and containerized deployments.
• Proficient in system design fundamentals: APIs, scalability, performance, reliability, and fault tolerance.
• Fast learner, able to work independently and as part of a team.
• Proficiency in English, with strong written and verbal communication skills.

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.

Tools

Node.js

JavaScript

MongoDB

Redis

Kubernetes

AWS

Job description

Bright Data in San Francisco is seeking exceptional Backend JavaScript Developers to own and operate core services powering our proxy network infrastructure. You will tackle performance, security, and scalability challenges in production.

You'll work on end-to-end delivery, design reviews, and production-grade code in Node.js, MongoDB, Redis, and Kubernetes. The role demands strong English communication and a bias for action in a fast-paced environment.