Lead 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 Lead Backend Engineer (Go) to shape its architecture, performance, and future direction, while driving technical quality and helping grow the engineering team. Requirements Extensive experience in backend software development with Go; Strong understanding of distributed systems and microservice architectures; Experience building and operating high-performance, low-latency backend services; Proven ability to identify, analyze, and resolve complex performance and scalability challenges; Ability to work independently and drive initiatives from concept to production; Strong communication skills and experience working closely with Product; Leadership experience or strong potential and readiness to step into a technical leadership role. Will be a plus Experience with AdTech or Programmatic Advertising (auction mechanics, high-scale decisioning); 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; Experience leading technical initiatives, mentoring engineers, or working with distributed external teams. Responsibilities Design, develop, and maintain high-performance backend services in Go; Analyze and optimize distributed systems and microservice-based architectures; Drive engineering quality through code reviews, technical leadership, and best practices; Contribute to architecture decisions, technology selection, and platform strategy; Collaborate closely with Product Managers to translate business needs into scalable technical solutions; Work alongside Data Engineering and Machine Learning teams to integrate data-driven capabilities into bidder workflows; Help establish a strong engineering culture built around ownership, accountability, and continuous improvement. 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.