Senior Software Engineer – Ad Tech Focus
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Job Description
Senior Software Engineer building pixels, tracking, APIs, and ad-delivery systems for Checkmate’s AI growth platform. Owning scalable architecture and production reliability across mate’s ad-tech infrastructure.
Responsibilities:
- Design, build, and ship backend services and APIs that power mate's agents, from spec to production
- Improve and maintain an identity graph
- Own features end to end, partnering with product and design on what to build and how
- Write clean, well-tested, production-grade code and set the standard for the rest of the team
- Build and maintain the pixel, tags, and server-side tracking, and conversion integrations with Meta, TikTok, Google, and others
- Build integrations with DSPs, ad platforms, and partner APIs
- Build real-time services that deliver offers across the network, fast and reliably
- Make architecture decisions concerning service design, storage, queues, and caching
- Own production reliability through monitoring, alerting, debugging, and incident response
- Improve developer tooling and CI/CD, and reduce technical debt
- Lead design reviews and code reviews, and mentor other engineers
- Help shape engineering practices and hiring as the team grows
Requirements:
- You've built ad tech from the inside and know how the pieces connect, from pixel to conversion.
- You like owning a system end to end, not just a ticket queue.
- You're pragmatic: you ship fast on a small team without cutting corners on quality.
- You think about the brand's outcome, not just whether the code ships.
- You raise the bar for the engineers around you.
- 6+ years building and shipping production software, with meaningful time at an ad tech company (DSP, ad platform, ad exchange, or identity provider)
- Strong backend engineering skills in Python and Typescript, including designing APIs and distributed services
- Hands-on experience building pixels, tags, SDKs, or conversion tracking, client-side and server-side
- Experience building systems that handle high request volume with low latency
- Comfort with cloud infrastructure, containers, and CI/CD
- A track record of owning systems in production, from launch through monitoring and on-call
- Bonus: Identity resolution / graph networks, ecommerce or Shopify, or early-stage startup experience.
- Must be based in the United States
- Visa sponsorship is not available
Benefits:
- Equity in a fast-growing, venture-backed company
- Competitive medical/dental/vision/other healthcare coverage
- 4 weeks PTO + health days
- 401k plan
- Monthly stipend for fitness/wellness activities
- Company retreats and team get togethers 2x a year
- Remote-first culture
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