triplelift · Zürich, Zürich, Switzerland
Skills: Java, AWS
TripleLift is the Creative SSP powered by TL Spark, our agentic intelligence layer. We orchestrate creative, supply, audience, and measurement into a single outcome-driven system across the open internet, retail media, and CTV. Our platform enables brands and agencies to drive measurable performance while helping publishers maximize yield and preserve high-quality user experiences. Overview The Senior Software Engineer – Core RTB Engineering plays a critical role in driving the performance, scalability, and intelligence of TripleLift’s Exchange — the real-time bidding platform that processes over a trillion ad transactions per month and sits at the heart of our value proposition. In this role, you will partner closely with engineers, product managers, data scientists, and platform teams across our New York City and Zurich hubs to design, build, and operate the core RTB services that decide which ads run, where, and at what price. This is an exciting opportunity for an experienced backend engineer who wants to work on internet-scale, low-latency distributed systems and help shape the next generation of programmatic advertising in an AI-accelerated engineering environment. Responsibilities Own a mission-critical Java codebase that powers TripleLift’s Exchange — executing billions of times a day under sub-100-millisecond latency budgets and across multiple AWS regions and data centers. Design, build, and evolve high-throughput services for bidding logic, auction mechanics, traffic shaping, and creative/image processing, with a focus on reliability, observability, and cost efficiency. Write maintainable, well-tested code; instrument production systems with meaningful metrics, traces, and alerts; and take end-to-end ownership of the health of the services you ship. Use modern AI coding assistants (e.g., Claude Code, GitHub Copilot, Cursor) as a routine part of your workflow — leveraging them to accelerate development, raise code quality, and explore design alternatives,…
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