Nexxen

Senior Backend Engineer - Adtech / SSP

Nexxen
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13 days ago
Bellevue, WA, USASenior
H1B Sponsor

Base Salary

$180k - $200k/yr

Responsibilities

  • Own complex backend initiatives through design, implementation, integration, rollout, and operation.
  • Build high-throughput, low-latency SSP services with efficient caching and in-memory stores.
  • Integrate with DSPs, SSPs, third-party data providers, OpenRTB, and VAST.
  • Improve performance and scalability in systems processing billions of transactions per day.
  • Apply observability, incident response, capacity planning, and shared on-call practices.
  • Drive automated acceptance, load, monitoring, and testing coverage.
  • Provide code reviews and mentorship while influencing technical processes, tooling, architecture, and roadmap decisions.

Requirements

  • 5+ years of expert-level JavaScript/Node backend experience at scale.
  • Strong grounding in distributed systems, scaling, fault tolerance, caching, and load balancing.
  • Strong data structures, algorithms, and systems design fundamentals.
  • Hands-on experience with Aerospike, Redis, Kafka, and Kinesis.
  • Strong SQL/RDBMS, Linux, networking, and Git skills.
  • Experience with automated acceptance and load testing.
  • Track record of code review and mentorship.
  • Strong communication and teamwork skills.
  • AdTech industry experience is strongly preferred.
  • BS or MS in Computer Science, Engineering, or a related field is preferred.

Benefits

  • Hybrid schedule based in the Bellevue, WA office, with three days in-office and the remainder remote.
  • Medical, dental, vision, and disability insurance.
  • 401(k) and employee assistance program.
  • Parental leave, unlimited vacation, and company-paid holidays.
Nexxen

About Nexxen

501-1,000 employees

Nexxen is the advertising platform that delivers full-funnel performance powered by unique data and media. Comprised of a demand-side platform (“DSP”) and supply-side platform (“SSP”), with the Nexxen Data Platform at its core, we meet the demands of today’s converging media landscape with exclusive audience intelligence, automation and expertise. Headquartered in Israel, Nexxen maintains offices throughout North America, Europe and Asia-Pacific and is traded on Nasdaq (NEXN). For more information, please visit nexxen.com.

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