Job Title: Senior Full Stack Engineer (Backend-Focused)(Scala)Mode : Work from OfficeShifts: UK/USExp : 3 - 6 yearsSalary: Best in the IndustryAbout the Role: We’re looking for Full Stack Engineers with a backend focus who can help scale this mission-critical system. This is a complex, high-impact engineering role that goes far beyond CRUD apps — you’ll work with recommendation engines, data pipelines, and distributed systems deeply integrated into our ad infrastructure.What You’ll Do• Build and maintain distributed backend services in Scala, leveraging ZIO, Akka, and functional programming for real-time personalization and recommendations• Design and manage streaming pipelines using Akka Streams or ZIO Streams• Work with large-scale Postgres datasets and multi-system data pipelines involving SQS, SNS, and Kinesis• Partner with data scientists and product engineers to integrate recommendation logic into ad serving systems• Occasionally contribute to our Angular front end and Lua-based ad server logic• Deliver production-grade code with strong attention to scalability, observability, and maintainabilityMust-Have Experience• Production-grade backend development in Scala, with deep understanding of functional programming principles (ZIO, Cats, etc.)• Experience with distributed systems, asynchronous processing, and streaming architectures• Proficiency in PostgreSQL and working with large-scale structured data• Hands-on experience with message queueing and event streaming systems like SQS, SNS, or Kinesis• Strong reasoning about user behavior, recommendation algorithms, and lifecycle event trackingNice to Have• Familiarity with the AWS ecosystem and Infrastructure-as-Code tools (Terraform, CDK, etc.)• Experience with Angular and/or Lua• Prior work in ad tech, real-time bidding systems, or recommendation engines
Job Title
Senior Full Stack Engineer (Backend-Focused)-Scala