Senior Backend Engineer, Platform Foundations

At Similarweb, we are revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online. Our unique data and solutions empower over 4,300 customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies. In 2021, we went public on the New York Stock Exchange, and we continue to reach new heights! Come work alongside Similarwebbers across the globe who are bright, curious, practical and good people. Why is this role so important at Similarweb? You’ll be part of the group responsible for Similarweb’s main products. You will impact the work of developers in the group by designing, building and maintaining the core infrastructure of our solution and leading the research and development of new technologies as well as maintaining code standards and practices. What does the day to day of Infrastructure Engineer at Similarweb look like: You will be working on Similarweb’s core B2B platform that serves tens of thousands of customers, serving hundreds of terabytes in production. Our backend engineers are responsible for the entire data lifecycle - from our endless datatlakes, through choosing the right serving methods and databases, all the way to our api services. So, what will you be doing all day? Design and implement scalable backend services and libraries that are reusable and maintainable, serving as the foundation for various applications across the company. Build and maintain tools that streamline development workflows, enabling product teams to focus on delivering business value. Define and promote best practices for code quality, performance, and reliability, ensuring healthy production environments and rapid development cycles. Lead the adoption and integration of AI tools to assist in code generation, testing, documentation, and debugging, thereby accelerating development processes. Perform proof-of-concepts (POCs) on emerging technologies, including AI agents and platforms, to assess their applicability and benefits to our development ecosystem. Drive cross-team technical projects aimed at improving infrastructure scalability, reliability, and developer experience. Analyze and resolve complex production issues, ensuring minimal downtime and optimal performance. Contribute to the evolution of our system architecture, ensuring it supports rapid development and scaling needs. This is the perfect job for someone who: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. 5+ years of experience in backend development, with a strong focus on infrastructure and platform engineering. Proficiency in programming languages such as C#, Python, Java, or Go. Experience building large-scale infrastructure applications or large-scale web applications. Experience improving stability of large-scale systems using monitoring, solving bottle-necks and making appropriate changes. High coding standards, working independently and experience leading long term tech tasks involving many teams and stakeholders. Experience with cloud platforms (e.g., AWS, GCP, Azure) and container orchestration tools like Kubernetes. Familiarity with CI/CD pipelines and infrastructure-as-code tools (e.g., Terraform, Ansible). Demonstrated experience in integrating and leveraging AI tools to enhance development workflows. **At Similarweb, collaborating with our colleagues in-office creates a more connected, unified culture. Our best work is a product of our face-to-face collaboration, with the ability to work partially from home.** Why you’ll love being a Similarwebber: You’ll actually love the product you work with: Our customers aren’t our only raving fans. When we asked our employees why they chose to come work at Similarweb, 99% of them said “the product.” Imagine how exciting your job is when you get to work with the most powerful digital intelligence platform in the world. You’ll find a home for your big