Software Engineer, Backend

Cognitiv · Bellevue, Washington · $130,000 - $170,000 USD · Posted 2026-09-17

Apply on Cognitiv's site

Are you ready to revolutionize the advertising industry?

At Cognitiv, we are not just another AdTech company—we are industry trailblazers redefining media buying with our Deep Learning Advertising Platform. Since 2015, we have harnessed the power of cutting-edge deep learning technology and data science to transform how brands connect with their customers. Our mission? To bring intelligence to advertising and deliver unparalleled precision, relevance, and impact at scale.

With our innovative platform, advertisers enjoy unprecedented flexibility—whether it is activating Dynamic Deals through their preferred DSP, leveraging our managed service DSP, or utilizing our industry-first ContextGPT product. As a part of Cognitiv, you will be at the forefront of AI-driven advertising solutions, driving change and achieving remarkable growth in a rapidly evolving industry.

Now, we’re growing!

The Role

The Core team builds the foundational platform powering Cognitiv’s real-time bidding and campaign execution engine. Every campaign on our DSP flows through this platform—managing budgets, pacing, strategies, creatives, and configuration while feeding vital controls to high-scale downstream systems. As our scope expands, we’re looking for engineers who want to own meaningful platform architecture rather than take on narrow subsystem tickets.

As a Backend Software Engineer on the Core team, you will take on substantial platform challenges and carry them end-to-end from design through production. You will translate business and performance requirements into reliable, production-ready software across our campaign management systems while driving code quality, system stability, and steady engineering progress.

Your Impact

In this role, success is measured by the quality, reliability, and consistency of your engineering contributions. You will:

Tech Stack: .NET Core (C#), SQL/Postgres, ClickHouse, AWS, DataDog

Required Experience & Capabilities

Bonus Points

Salary: $130,000 - $170,000 USD + Equity

What We Offer

Compensation is based on experience, skills, and other factors. Base salary is just one part of your total rewards at Cognitiv—you’ll also receive equity and a comprehensive benefits package.

Highlights include:

What You’ll Find at Cognitiv

Cognitiv is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive workplace for all.

Note on AI Use: Cognitiv may use AI technology to assist with certain administrative aspects of the hiring process, such as note-taking, interview documentation, and reporting. However, every resume and application is reviewed directly by our recruiting team. AI tools are used solely for operational support and do not influence candidate evaluation or hiring decisions.

About Cognitiv

Cognitiv uses proprietary Deep Learning technology to help companies with Big Data problems get beyond analysis to decisions.

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Updated 2026-10-10.