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Senior Software Engineer, Backend

Bellevue💼 Full-time💰 $160,000–$160,000🗓 2026-09-08 → 2026-09-26

Core

Design, deliver, and maintain scalable backend services and APIs for a pixel-less ad targeting platform and ContextGPT integrations.

Role type

Senior Software Engineer, Backend (.NET Core)

Builds

High-scale production backend services, APIs, and data pipelines for ad-tech platform

Domain

AdTech / Programmatic Advertising

Deliverable

production ML models | product features

Required skills

System design, distributed systems, .NET Core, strongly typed backend languages (Java/Kotlin), API development, observability, technical mentorship

Preferred skills

Large-scale distributed systems, platform services, AdTech experience, CI/CD, infrastructure automation, AWS, RDS, ClickHouse, Datadog

Technologies

.NET Core, AWS, RDS, ClickHouse, Datadog

Responsibilities

Lead end-to-end design and delivery of backend services and APIs; Identify bottlenecks and improve system observability; Conduct code reviews and provide technical mentorship; Resolve technical ambiguities and balance system health with development velocity; Partner with leadership to align technical solutions with business priorities

Seniority

Senior, hands-on IC

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