Senior Backend Engineer

<p dir="ltr"><strong><strong>Join us to set a new standard for brands to act smarter and stay ahead.</strong><br/><br/>What we are looking for:</strong></p><p>We’re looking for a Senior Backend Engineer who will contribute to the system design of our backend infrastructure. You’ll play a key role in designing, building, and maintaining backend systems that are fast, reliable, and secure.<br/><br/>You’re someone who thrives on solving complex technical challenges and enjoys building robust APIs and services that integrate seamlessly with third-party systems. In this role, you’ll work closely with product, data, and frontend teams to ship features end-to-end, from concept to deployment.<br/><br/>You’ll be part of a collaborative, agile team that values clean architecture, observability, and performance. While you bring a strong foundation in modern backend practices, we’re also excited to support your continued learning as our platform and tools evolve.</p><p><br/><strong><br/>What you'll be doing:</strong></p><ul> <li>Design and implement efficient and scalable backend systems to support our products and services.</li> <li>Integrate with third-party systems and APIs to enable seamless communication between systems.</li> <li>Play a key role in developing and evolving our GraphQL federation architecture that powers our backend services.</li> <li>Collaborate on infrastructure-as-code initiatives and help establish DevOps best practices.</li> <li>Contribute towards system design decisions and technical architecture of our backend platform.</li> <li>Mentor junior engineers and promote engineering excellence across the team.<br/></li> </ul><p dir="ltr"><strong>Technical skills and experience:</strong><strong></strong><br/></p><ul> <li dir="ltr">3-7 years of experience in building backend systems using Typescript/Node stack.<br/></li> <li dir="ltr">Strong expertise in designing and implementing GraphQL APIs, schema design and familiarity with GraphQL federation architecture<br/></li> <li dir="ltr">Solid understanding of software architecture principles, design patterns, and microservices<br/></li> <li dir="ltr">Experience with containerization technologies (Docker, Kubernetes), cloud infrastructure (preferably AWS) and automated deployment processes (CI/CD pipelines)<br/></li> <li dir="ltr">Experience with and Strong knowledge of database systems (PostgreSQL, MongoDB) and query optimization.<br/></li> <li dir="ltr">Experience with performance tuning, load testing, and scaling distributed system<br/></li> <li dir="ltr">Strong problem-solving skills with the ability to troubleshoot and debug complex issues.<br/></li> <li dir="ltr">Proficiency with AI-assisted development tools and ability to effectively integrate AI pair programming into your workflow.</li> </ul><p></p><p dir="ltr"><strong>Our Tech Stack</strong></p><p dir="ltr">Node, Typescript, PostgresSQL, GraphQL, Python, GoLang, ClickHouse, Kubernetes, AWS<br/><br/></p><ul> </ul>This is a full-time position with a preferred start date during Q3, based in our office at Birger Jarlsgatan 7, Stockholm. You need to have a valid work permit in Sweden in order to apply for this position. <ul> </ul>