Senior Software Engineer

<div class="content-intro"><p><strong>We are the platform turning browsing into shopping</strong>. We connect 200 million shoppers with deals they love while boosting local sales for hundreds of top retailers and brands.</p> <p>We help consumers save time and money while making smart shopping decisions, and we support retailers and brands in engaging customers from online research to in-store purchases.</p> <p>In 2024, Shopfully joined forces with the North American company <a href="https://corp.flipp.com/">Flipp</a>, creating a global leader in the sector. Together, we reach 400 million households and serve over 1,000 top retailers and brands across 27 markets, including Europe, Canada, the USA, Latin America, and Australia.</p> <p>Ready to&nbsp;<strong>spark</strong> your growth with us?</p></div><p><strong>WHO WE LOOK FOR</strong><strong> 🦄</strong></p> <p>We are looking for a <strong>Senior Software Engineer</strong> to join our <strong>Audience Platform team</strong> within Ad Products. <br><br>In this role, you will own and extend the high-throughput, low-latency backend systems, event-driven architectures, and distributed data pipelines powering 1P, 2P, and 3P audience data for Flipp and Shopfully.</p> <p>We are looking for a high-autonomy senior contributor who doesn't just write code, but <strong>owns</strong> production services end-to-end, drives system design decisions, scales core tables running into tens of billions of rows, and leverages cutting-edge AI tools to maximize engineering throughput. <br><br>If you are passionate about backend engineering, low-latency architectures, data at scale, and ad-tech innovation, this role is for you!</p> <p>&nbsp;</p> <p><strong>WHAT YOU WILL DO </strong>🏄</p> <ul> <li><strong>Own &amp; Extend the Audience Platform: </strong>Architect, build, and scale core backend systems including the Audience API, Audience Kafka Topics, User Profile API, Audience Management UI, and 2P/3P data ingestion infrastructure.&nbsp;&nbsp;</li> <li><strong>Drive Integrations &amp; Data Pipelines:</strong> Build and maintain high-volume activation platform integrations (e.g., DV360, Braze, TTD) and collaborate on Databricks segmentation pipelines and core data tables running into tens of billions of rows.&nbsp;&nbsp;</li> <li><strong>Ensure High Performance &amp; Observability:</strong> Design and operate low-latency, high-throughput microservices using Go, gRPC/Protobuf, and REST+OpenAPI, maintaining end-to-end service observability and APM via Datadog and Datadog OnCall.&nbsp;&nbsp;</li> <li><strong>Support ML &am