Bright Data Logo

Bright Data

Senior Backend JavaScript Developer - San Francisco Office

Reposted 3 Months Ago
Be an Early Applicant
Hybrid
San Francisco, CA, USA
Senior level
Hybrid
San Francisco, CA, USA
Senior level
Take end-to-end ownership of high-scale backend services powering networking infrastructure. Design, implement, and operate performant, reliable, and secure Node.js services; troubleshoot complex networking issues; participate in architecture, testing, and incident response; collaborate with engineers and stakeholders to deliver scalable solutions.
The summary above was generated by AI
Description

We’re looking for exceptional and experienced Backend JavaScript Developers to join our Proxy Network team. This team builds and operates core backend services that power Bright Data’s networking infrastructure - high-performance, highly reliable systems with deep focus on networking, security, and scale.

In 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.

Tech Stack:

Node.js, JavaScript, MongoDB, Redis, Kubernetes, AWS

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.
  • 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.

Nice to Have:

  • 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.

Similar Jobs

34 Seconds Ago
Easy Apply
In-Office
Easy Apply
162K-220K Annually
Senior level
162K-220K Annually
Senior level
Healthtech • Sales • Software • Analytics • Conversational AI
Build and operate agentic AI systems for healthcare workflows such as scheduling, referrals, refills, billing, and payment estimation. Own solutions from customer discovery and architecture through production, onboarding, evaluation, incident response, and continuous improvement. Define quality and safety benchmarks, contribute reusable agent foundations, mentor other builders, and develop relationships with healthcare executives. The role combines engineering, product management, project management, and customer-facing responsibilities.
Top Skills: Agentic SystemsAIAthenaCcaasCliEclinicalworksEpicFedrampHipaaHitrustMcp-Based Tool IntegrationsNextgenRag Pipelines
6 Minutes Ago
In-Office
Sunnyvale, CA, USA
60-70 Hourly
Mid level
60-70 Hourly
Mid level
Cloud • Information Technology • Machine Learning
Manage full-cycle recruiting for internships, new graduate, apprenticeship, and other early-career roles. Build diverse talent pipelines through university partnerships, sourcing, events, and referrals; coordinate interviews, offers, and onboarding; partner with hiring managers and cross-functional teams; maintain recruiting data in Greenhouse and Gem; track funnel metrics; and improve inclusive, scalable recruiting processes.
Top Skills: GemGreenhouse
6 Minutes Ago
In-Office
2 Locations
45-50 Hourly
Junior
45-50 Hourly
Junior
Cloud • Information Technology • Machine Learning
Coordinates early-career recruiting for internships, graduate roles, apprenticeships, and entry-level positions. Responsibilities include high-volume interview scheduling, candidate communication, recruiting data maintenance, Greenhouse requisition support, campus event logistics, offer and pre-onboarding coordination, and workflow documentation. Partners with recruiters, hiring managers, Talent Programs, and cross-functional teams to deliver accurate, efficient, and consistent candidate experiences.
Top Skills: AsanaCandidate.FyiConfluenceGemGoogle WorkspaceGreenhouseSlackZoom

What you need to know about the San Francisco Tech Scene

San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.

Key Facts About San Francisco Tech

  • Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Google, Apple, Salesforce, Meta
  • Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
  • Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
  • Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account