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Software Engineer, Backend

Cognitiv
Seattle, USA
Full-time
Mid-Senior
Hybrid
$130,000–$170,000
Discovered 3 weeks ago
Backend software engineering.NET CoreC#Modern backend programming languagesSQLPostgreSQL

Full Job Posting

The role

The Core team builds the foundational platform powering Cognitiv's real-time bidding and campaign execution engine.

The platform manages campaign budgets, pacing, strategies, creatives, and configuration, and feeds controls to high-scale downstream systems.

The engineer owns substantial platform work from design through production.

Responsibilities

  • Own feature delivery from kickoff through post-launch support, including release planning, branch strategy, canary, and automated rollback.
  • Write production-ready code with meaningful metrics, traces, logs, and at least 80% automated test coverage.
  • Maintain service SLOs with alerts and dashboards; participate in on-call and contribute actionable post-mortem follow-ups.
  • Author design documents that account for cost, scale, and rollback; connect work to OKRs or user metrics.
  • Facilitate design and planning meetings, collaborate with adjacent teams, and mentor interns or new hires.

Required experience and capabilities

  • Strong programming skills in one or more modern backend languages; .NET Core/C# is preferred.
  • Experience building and shipping production software collaboratively.
  • Hands-on experience with relational databases such as PostgreSQL/SQL and high-volume data stores.
  • Understanding of testing, debugging, code review, and software development best practices.
  • Independent delivery of small-to-medium features from design through deployment within a sprint cadence.
  • Familiarity with on-call responsibilities, runbooks, and operational reliability.
  • Clear communication, adaptability, and ability to execute loosely scoped work with moderate guidance.

Technology stack

  • The stated technology stack includes .NET Core (C#), SQL/Postgres, ClickHouse, AWS, and DataDog.

Bonus experience

  • Cloud platforms, distributed systems, developer workflow improvements, documentation, or internal tooling are bonuses.
  • Real-time bidding, ad serving, or similar latency-sensitive, high-throughput systems experience is a plus.

Compensation

  • Base salary is listed as $130,000–$170,000 USD plus equity; the description does not state a pay cadence.

Workplace

  • The role uses a hybrid work model.

Benefits

  • Benefits include medical, dental, and vision coverage, paid parental leave, unlimited PTO, equity, a wellness stipend, commuter benefits, and retirement-plan matching.

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