[Remote] Senior Backend JavaScript Developer - San Francisco Office

Note: The job is a remote job and is open to candidates in USA. Bright Data is seeking an experienced Backend JavaScript Developer to join its Network team, which builds and operates core backend services for networking infrastructure. The role owns services and features end to end while addressing network traffic, protocols, performance, reliability, security, and scalability challenges.

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

Skills

• 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 practical knowledge of the platform's strengths and limitations (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
• Experience with AWS and SaaS environments
• Experience debugging production networking issues (latency, packet loss, connection reuse, TLS handshakes, etc.)
• Experience with observability tooling (logs/metrics/tracing) and incident response/on-call

Company Overview

• Bright Data offers a platform for ethical web data collection and analysis. It was founded in 2014, and is headquartered in San Francisco, California, USA, with a workforce of 501-1000 employees. Its website is https://brightdata.com.