[Remote] Senior Backend JavaScript Developer

Note: The job is a remote job and is open to candidates in USA. Bright Data is seeking exceptional and experienced Backend JavaScript Developers to join their Network team. The role involves taking end-to-end ownership of services and features in production, focusing on backend services that power the company’s networking infrastructure with a strong emphasis on performance, reliability, and security.

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