Software Development Engineer II - Infrastructure

About Amperity—Why This, Why Now

Most customer data is a lie by omission.

Every consumer brand wants to know its customers. Unfortunately, almost none actually do. Data is scattered across a dozen systems, half of it contradicts the other half, and "insights" teams are forced to act on incomplete guesses. We started Amperity ten years ago because that gap—between what a brand believes about its customers and what is true—is the most expensive problem in the industry, and nobody had solved it.

With a lot of hard work and a little bit of luck, we did. Our patented identity resolution takes billions of messy, conflicting records and resolves them into an accurate picture of a real human being—in hours, not months. That’s not a feature; it’s the foundation everything else stands on. It’s why more than 400 brands —like Alaska Airlines, Wyndham Hotels Resorts, DICK’S Sporting Goods, Virgin Atlantic, and Brooks Running—trust us with the one thing they can’t afford to get wrong, and why IDC named us a Leader in the category in 2026.

Now we’re doing something harder. We’re rebuilding Amperity as an AI-first company—not bolting a chatbot onto old software, but putting agents at the center of how customer data actually gets used. We shipped the industry’s first identity resolution agent, then the first enterprise Customer Data Agent that turns a plain-language question into a live segment without waiting on an engineering queue. The bet underneath all of it is simple, and we think it’s correct: The potential of AI will not be realized for a brand until it’s grounded and activated against a true, unified view of the customer. The market at-large is focused on intelligence, and we are focused on being the ones who can make it trustworthy.

So here’s the honest pitch. If you want a tour of a category that’s already been figured out, this isn’t it. If you want to help decide what the next version of an entire industry looks like—alongside people who are remarkably exceptional at what they do, solving a problem that requires deep, sustained focus—this is one of the few places that work exists. Our goal is to build a highly impactful, generational business.

We measure our success by one standard: whether what we build moves the business. Return on cognition, not return on hype. If that’s how you want to be measured, we would love to speak with you.

The Role

At Amperity, we empower businesses to unlock the full potential of their customer data. Our clients are industry leaders making bold investments in modern customer data infrastructure. As a Software Development Engineer, you'll join a collaborative engineering team to develop advanced data pipelines. You will create flexible marketing solutions, and integrate powerful AI capabilities helping our clients gain deeper insights and activate their data. You'll work on a world-class, mission-critical platform that sits at the heart of our customers' data ecosystems, directly influencing how they understand and engage with their audiences.

As one of the first teammates building our footprint in Argentina, you’ll play a meaningful role in our growth and be part of shaping this new chapter from the beginning. If you're excited about working on complex challenges, driving innovation, and helping industry-leading brands thrive through data-driven strategies, we’d love to hear from you.

Interesting Problems

Process and understand large amounts of structured and unstructured customer, product, and event data

Building delightful, full-stack experiences and toolsets to help users visualize their data, understand their customers and surface the most impactful insight

Use the latest data science and AI advancements to build experiences that accelerate the time to value for data developers and marketers

Integrate our system into the operating core of the businesses we serve

Improve how marketers use their customer data

About You

5+ experience including 3+ years developing enterprise software

3+ years of experience building applications on database technologies experience with big data technologies

3+ years working in a production environment. In this duration, you have shown an ability to get products and features released to customers

Experience with infrastructure development and deployment using tools like Terraform, or CloudFormation.

Experience with a platform-level team whose customers are other developers

Excited about using functional languages (like Clojure!) in a production environment

Passionate about building elegant user experiences on top of complex technology

Collaborative, inclusive, and inspired by your customers' success

Location

Seattle, WA

Amperity’s work model operates on four in-office days each week and one designated remote workday on Wednesdays. We value the collaboration, connection, and learning that come from working together in person.

Compensation

Base Salary: $136,000-$187,000. Individual compensation within this range will depen…