Senior Software Engineer, Backend (.NET) at Cognitiv
Description
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—and looking for passionate engineers to help shape the future.
The Role We’re hiring a Senior Software Engineer (Backend) to join the team building our next-generation, pixel-less ad targeting systems.
You’ll design, build, and scale systems that power cutting-edge AI-driven advertising products, while improving and evolving existing platforms to meet growing business needs What You'll Do Design, build, and own backend services in .NET Core on AWS Lead development of new versions of high-growth systems in pixel-less ad targeting Modernize and scale one of our critical legacy systems (internet crawling) Collaborate with a small, senior team (2 SDE IIIs, 1 SDE II, CTO, and more senior hires coming) Take full ownership of systems end-to-end, from design to production operations Drive improvements in performance, scalability, and developer productivity across the team and the engineering organization Who You Are Experienced senior engineer – This isn’t your first rodeo.
- Role: Senior Software Engineer, Backend (.NET)
- Company: Cognitiv
- Location: Bellevue, WA
- Job found on: 3rd of October, 2025


