Senior Backend Engineer (Go)

We are building the next generation of our Demand-Side Platform (DSP), enabling advertisers to access premium digital inventory through high-performance programmatic technology. Our bidder is at the heart of the platform, making real-time auction decisions and powering global advertising campaigns. We are looking for a Senior Backend Engineer (Go) to focus on platform performance, scalability, and new product capabilities in a high-load environment. Requirements Strong background and solid experience in backend software development with Go; Deep understanding of distributed systems and microservice architectures; Hands-on experience building and operating high-performance, low-latency backend services; Proven ability to analyze system bottlenecks and resolve complex scalability challenges; Ability to work independently and collaborate effectively with Product and engineering teams; Curiosity to understand not only how systems work, but also the business problems they solve. Will be a plus Experience with AdTech or Programmatic Advertising landscape (DSPs, SSPs, exchanges); Understanding of auction mechanics and large-scale decisioning systems; Experience with Google Cloud Platform (GCP), Kubernetes, and cloud-native environments; Familiarity with data-intensive applications, analytics platforms, and large-scale aggregations; Understanding of Machine Learning concepts and production ML integrations. Responsibilities Design, develop, and maintain high-performance backend services in Go; Analyze and optimize distributed systems and microservice-based architectures; Work alongside Data Engineering and Machine Learning teams to integrate data-driven capabilities into bidder workflows; Collaborate closely with Product Managers to translate business needs into scalable technical solutions; Write high-quality, maintainable code, participate in code reviews, and contribute to engineering best practices; Oversee features from concept to production, identifying and resolving complex performance issues. What we offer 22 paid vacation days per year; 10 paid sick leave days per year; Paid public holidays; English coverage: client-sponsored group classes and GD English Speaking Club; Help and support from our caring HR team; Continuous professional growth and collaboration with talented colleagues; Competitive compensation for your efforts.