Senior Backend Engineer, Platform Foundations
Core
Designing, building, and maintaining the core infrastructure and platform foundations for Similarweb's global B2B data intelligence solution.
Role type
Senior Backend Engineer, Platform Foundations
Builds
Scalable backend services, reusable libraries, and core infrastructure supporting tens of thousands of customers and hundreds of terabytes of data.
Domain
B2B Data Intelligence / Digital Analytics Platform
Deliverable
production ML models | infrastructure
Required skills
Backend development (C#, Python, Java, Go), Large-scale system architecture, Cloud platforms (AWS, GCP, Azure), Container orchestration (Kubernetes), CI/CD pipelines, Infrastructure-as-code (Terraform, Ansible), AI tool integration, Code quality and performance optimization.
Preferred skills
Experience with AI agents and platforms, Leading cross-team technical projects, Proving-of-concept (POC) execution for emerging technologies.
Responsibilities
Design and implement scalable backend services and libraries; Build and maintain tools to streamline development workflows; Define and promote best practices for code quality and reliability; Lead the adoption and integration of AI tools for code generation and debugging; Perform proof-of-concepts on emerging technologies; Drive cross-team projects to improve infrastructure scalability; Analyze and resolve complex production issues; Contribute to system architecture evolution.
Seniority
Senior, hands-on IC