{"schemaVersion":"jobsearcher.job.v1","id":"a7d9a0b83f8b9b352ff83a7d","url":"https://jobsearcher.com/jobs/a7d9a0b83f8b9b352ff83a7d","canonicalUrl":"https://jobsearcher.com/jobs/a7d9a0b83f8b9b352ff83a7d","title":"Senior Backend JavaScript Developer (Proxy Network Team) - San Francisco Office R&D & Technical US, ","description":"DescriptionIn this role, you will take end-to-end ownership of services and features in production, working on challenging problems around network traffic, protocols, performance, and reliability.\r\nResponsibilitiesEnd-to-end feature development, from design and implementation to production rollout and ongoing improvements.\r\nBuild and maintain high-scale backend services with strong emphasis on performance, reliability, and security.\r\nParticipate in system design and architecture planning to ensure scalable and maintainable solutions.\r\nWork on networking-related challenges such as traffic flows, proxy behavior, request/response handling, and protocol-level edge cases.\r\nInvestigate and troubleshoot complex networking issues using tools such as Wireshark (and similar packet inspection/debugging tools).\r\nWrite high-quality, maintainable code with appropriate test coverage; participate actively in code reviews.\r\nCollaborate closely with engineers and stakeholders to deliver impactful solutions.\r\nContinuously learn and apply best practices in backend engineering and networking.\r\nRequirementsVery 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).\r\nProven experience building and operating production backend services.\r\nStrong understanding of network protocols and security, including: TCP/IP/UDP, DNS, HTTP1/2/3, TLS and WebSockets.\r\nExperience with databases and caching layers such as MongoDB and Redis.\r\nFamiliarity with Kubernetes and containerized deployments.\r\nProficient in system design fundamentals: APIs, scalability, performance, reliability, and fault tolerance.\r\nFast learner, able to work independently and as part of a team.\r\nProficiency in English, with strong written and verbal communication skills.\r\nNice to Have:\r\nExperience with AWS and SaaS environments.\r\nExperience with observability tooling (logs/metrics/tracing) and incident response/on-call.#J-18808-Ljbffr","company":"Bright Data","rawCompany":"bright data","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-11-13T01:43:35.076Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Backend JavaScript Developer (Proxy Network Team) - San Francisco Office R&D & Technical US, ","description":"DescriptionIn this role, you will take end-to-end ownership of services and features in production, working on challenging problems around network traffic, protocols, performance, and reliability.\r\nResponsibilitiesEnd-to-end feature development, from design and implementation to production rollout and ongoing improvements.\r\nBuild and maintain high-scale backend services with strong emphasis on performance, reliability, and security.\r\nParticipate in system design and architecture planning to ensure scalable and maintainable solutions.\r\nWork on networking-related challenges such as traffic flows, proxy behavior, request/response handling, and protocol-level edge cases.\r\nInvestigate and troubleshoot complex networking issues using tools such as Wireshark (and similar packet inspection/debugging tools).\r\nWrite high-quality, maintainable code with appropriate test coverage; participate actively in code reviews.\r\nCollaborate closely with engineers and stakeholders to deliver impactful solutions.\r\nContinuously learn and apply best practices in backend engineering and networking.\r\nRequirementsVery 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).\r\nProven experience building and operating production backend services.\r\nStrong understanding of network protocols and security, including: TCP/IP/UDP, DNS, HTTP1/2/3, TLS and WebSockets.\r\nExperience with databases and caching layers such as MongoDB and Redis.\r\nFamiliarity with Kubernetes and containerized deployments.\r\nProficient in system design fundamentals: APIs, scalability, performance, reliability, and fault tolerance.\r\nFast learner, able to work independently and as part of a team.\r\nProficiency in English, with strong written and verbal communication skills.\r\nNice to Have:\r\nExperience with AWS and SaaS environments.\r\nExperience with observability tooling (logs/metrics/tracing) and incident response/on-call.#J-18808-Ljbffr","datePosted":"2026-11-13T01:43:35.076Z","dateModified":"2026-11-13T01:43:35.076Z","hiringOrganization":{"@type":"Organization","name":"Bright Data","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"a7d9a0b83f8b9b352ff83a7d"},"url":"https://jobsearcher.com/jobs/a7d9a0b83f8b9b352ff83a7d"}}