Senior Software Engineer
Nexxen•Bellevue, WA
•$180,000 - $200,000•Hybrid
About The Position
Join Nexxen's SSP Software Development team building and running a high-throughput SSP that processes hundreds of billions of real-time ad requests a day. You'll own complex, ambiguous problems end-to-end, apply an AI-first mindset to solve hard AdTech problems, and raise the bar for the team through code review and mentorship — with performance, scalability, and operational excellence guiding every project.
Requirements
- BS/MS (preferred) in Computer Science, Engineering, or related field
- 5+ years of expert-level JavaScript/Node backend experience at scale
- Strong grounding in distributed systems: scaling, fault tolerance, caching, load balancing
- Solid fundamentals in data structures, algorithms, and systems design
- Hands-on with distributed databases (Aerospike, Redis) and streaming pipelines (Kafka, Kinesis)
- Strong SQL/RDBMS, Linux, networking, and Git skills
- Track record of code review and mentorship that raises the bar for other engineers
- Test-first mindset with automated acceptance and load testing
- Excellent communicator and strong team player
Nice To Haves
- AdTech industry experience strongly preferred
Responsibilities
- Own complex initiatives end-to-end: design, implementation, integration, rollout, and operation
- Apply an AI-first mindset to software development and data exploration
- Integrate with DSPs, SSPs, third-party data providers, and standards such as OpenRTB and VAST
- Build high-throughput, low-latency services with efficient caching and in-memory stores (Redis, Kafka, Aerospike)
- Apply an SRE mindset: observability, incident response, capacity planning, and a shared on-call pager rotation
- Raise the technical bar through code review, mentorship, and process/tooling decisions
- Identify and resolve performance bottlenecks in systems processing billions of transactions/day
- Drive test, monitoring, and automation coverage, including load and acceptance testing
- Partner with product, ops, and engineering teams to shape roadmap and architecture
Benefits
- medical
- dental
- vision
- disability insurance
- 401(k)
- EAP
- parental leave
- unlimited vacation
- company-paid holidays
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
Associate degree
