Software Engineer (Java & Scala)

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Description

GroundTruth is an advertising platform that turns real-world behavior into marketing that drives in-store visits and other real business results. We use observed real-world consumer behavior, including location and purchase data, to create targeted advertising campaigns across all screens, measure how consumers respond, and uncover unique insights to help optimize ongoing and future marketing efforts. With this focus on media, measurement, and insights, we provide marketers with tools to deliver media campaigns that drive measurable impact, such as in-store visits, sales, and more. com. We believe that innovative technology starts with the best talent and have been ranked one of Ad Age’s Best Places to Work in 2021, 2022, 2023 & 2025! Learn more about the perks of joining our team here. A bit about Team GroundTruth is a location-based advertising and measurement company. You'll join the engineering team that builds the large-scale, high-traffic backend systems at the core of our advertising platform — distributed, real-time services where performance, efficiency, and reliability are first-class concerns, not afterthoughts. This is a hands-on backend role for someone who likes systems with real constraints and fast feedback. You'll design and ship production services, dig into how they behave under load, and make changes you can measure. It's a good fit if you care about getting things right and enjoy working close to the parts of a system where decisions actually show up in the numbers. You will: Design, build, and operate backend services that run reliably at scale — yours from first commit through production. Work with distributed systems, concurrency, and asynchronous processing — and the failure modes that come with them. Profile and tune for performance and efficiency, where the right data structure or a single removed bottleneck makes the difference. Take an ambiguous production symptom and reason your way to the root cause. Integrate with caching, streaming, and data-storage systems — and instrument your services so they stay debuggable when something breaks. Ship in small, reviewable increments through automated pipelines, and leave the code clearer than you found it. You have: 3-5 years building production backend systems — strong in Scala or Java, plus comfort writing Python for tooling, automation, and data work. Real depth in data structures and algorithms — you reach for the right structure instinctively and can r

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