Senior Backend Engineer — High-Throughput Node.js Systems

Nexxen; Bellevue (WA); On-site; USD 212,500 - 215,000; Full time

Job summary

Nexxen, Inc. in Bellevue, WA is seeking a Software Engineer II to develop and maintain high-performance backend systems for our programmatic SSP using Node.js.

The role focuses on low latency, reliability, and large-scale data processing in a Linux environment. You will collaborate with product and engineering teams in an Agile setup, ensure system stability and uptime, and participate in on-call rotations to support production operations.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• Five years of backend development experience.
• Five years in Node.js, PHP, distributed apps, SSH/Linux networks, MySQL and Kafka, Git/GitLab CI/CD, Agile, product troubleshooting.
• Three years OpenRTB (IAB) OpenRTB, VAST, Redis/Aerospike/KeyDB, Datadog or Grafana metrics, RTB/SSP systems.

Responsibilities

• Develop and maintain high-performance backend systems for the SSP with Node.js.
• Ensure low latency, high reliability, and large-scale data processing.
• Work in a Linux environment with end-to-end development, deployment, and monitoring.
• Collaborate with product and engineering teams using Agile methodologies.
• Participate in on-call rotation to support production operations.

Skills

Backend development

Node.js

PHP

Distributed applications

Linux/SSH networking

MySQL

Kafka

Git/GitLab CI/CD

Agile

Troubleshooting & support

RTB/Adtech

Education

Bachelor's degree

Tools

KeyDB/Redis/Aerospike

Datadog or Grafana

Vertica

Job description

Nexxen, Inc. in Bellevue, WA is seeking a Software Engineer II to develop and maintain high-performance backend systems for our programmatic SSP using Node.js.

The role focuses on low latency, reliability, and large-scale data processing in a Linux environment. You will collaborate with product and engineering teams in an Agile setup, ensure system stability and uptime, and participate in on-call rotations to support production operations.