Software Dev Engineer II, Measurement, Ad Tech, and Data Science; MADS

Software Dev Engineer II, Measurement, Ad Tech, and Data Science (MADS)

Join to apply for the Software Dev Engineer II, Measurement, Ad Tech, and Data Science (MADS) role at Amazon
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Final date to receive applications:
Jan 13, 2026.

Are you passionate about operating at internet scale? Do you want to work at the intersection of machine learning, data science, and causal inference? Are you eager to invent, grow, and learn alongside world‑class engineers and scientists? If so, we want to hear from you!

You will design and develop software products that deliver measurement data to a diverse set of users across Amazon’s entire advertising suite. You’ll demonstrate expertise in various architectural approaches and design patterns, building maintainable and scalable software using high‑level languages. In collaboration with Data & Applied Scientists, Economists, and senior technical leaders who are advancing measurement science and causal inference, you’ll adapt to evolving technical environments and devise creative solutions to complex software challenges.

You will tackle demanding technical problems, building petabyte‑scale services, inventing new big data paradigms, and architecting for exponential growth.

We measure advertising effectiveness through sophisticated causal measurement and modeling techniques, including rigorous scientific experiments and machine learning. Our mission is to enable advertisers to optimize ad spend and allocate budgets by providing accurate, actionable, and timely causal measurement across all Amazon ad products. We combine deterministic and modeled measurement techniques to produce estimates that are fast, precise, and actionable.

Using AWS big data and machine learning technologies, we process over 50 billion new events daily, operating petabyte‑scale clusters. We continuously innovate on our event‑driven architectures to stay ahead of rapidly growing scale.

This team builds the core causal measurement and modeling capabilities serving all of Amazon Ads. We work with diverse systems and languages, combining AWS services like EMR and Dynamo

DB with Spark and Scala. We also leverage generative AI tools to accelerate our development, testing, and deployment cycles.

• 3+ years of non‑internship professional software development experience
• 2+ years of non‑internship design or architecture (design patterns, reliability, and scaling) of new and existing systems
• 1+ years of designing and developing large‑scale, multi‑tiered, multi‑threaded, embedded or distributed software applications, tools, systems, and services using C#, C++, Java, or Perl experience
• 1+ years of Object Oriented Design experience
• Bachelor’s degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
• Experience programming with at least one software programming language

• 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
• Bachelor’s degree in computer science or equivalent

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit (Use the "Apply for this Job" box below). for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

Colorado $143,700 - $194,400 annually.

Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave.

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