Senior Backend Engineer

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Description

About Falcon Falcon Labs turns the post-transaction experience into an incremental revenue stream for online services and a rewarding moment for their customers. Our solution uses advanced technology and AI to deliver personalized, contextually relevant offers to consumers at their peak engagement moment, right after they complete a transaction. The moment after a transaction is one of the most underutilized surfaces in commerce: intent is high, trust is established, and attention is real, yet for most brands it still ends with a static confirmation screen. We operate across major e-commerce ecosystems (Shopify, Wix, and a growing set of technology partnerships), earn a take rate on advertiser conversions, and run on real-time decisioning, Snowflake analytics, and an expanding push into agentic automation across the network. We are a team of ad-tech veterans from the mobile advertising world (ironSource/Unity). The Challenge We're building ad-serving infrastructure from the ground up — not another CRUD app. You'll work on: Ad Server: Real-time placement optimization and bidding logic serving millions of requests Infrastructure at Scale: PostgreSQL optimization, Redis caching, AWS ECS orchestration Platform Integrations: Connecting with major e-commerce platforms (Shopify and others) and ad networks Analytics Engine: Time-series data processing with multi-dimensional revenue reporting Data Pipelines: ETL workflows feeding our analytics and optimization systems Our Tech Stack B

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