Backend Developer

With over 40 million visits each month, you’ll be part of Sweden’s most popular property platform – and one of the world’s most admired real estate platforms. With access to vast amounts of data, you’ll have limitless opportunities to explore and create new features that enhance the experience for Sweden’s real estate agents, home buyers, and sellers. You’ll join a collaborative, cross-functional team where your unique perspective is truly valued. As a senior engineer, you’ll lead by example by crafting elegant code while driving architectural evolution, mentoring colleagues, and helping us build a modern, scalable platform. What you’ll do 💥 At Hemnet, we help millions of people navigate one of the biggest milestones of their lives: finding and shaping their home journey. Our team’s mission is to make that experience feel personal, inspiring, and seamless. We are looking for a collaborative backend engineer to help us build the real-time data pipelines and smart CRM integrations that deliver the right message to the right user at exactly the right time. You'll: * Build & Scale with Node.js: Design and evolve resilient backend services and APIs using Node.js, Nest.js, and GraphQL, keeping our platform fast and reliable. * Connect Our Systems: Lead the technical direction of our CRM and marketing automation integrations. You’ll ensure our data pipelines are secure, scalable, and built to last. * Bring Data to Life: Partner closely with our CRM and Marketing teams to turn user behavioral signals and segmentations into timely, meaningful automated messages. * Collaborate Across Disciplines: Act as a supportive technical partner for non-technical stakeholders, translating complex backend concepts into clear, shared ideas. * Grow Together: Lift the team around you through empathetic mentorship, open knowledge sharing, and contributing to a welcoming, continuous-learning engineering culture. Who we think you are 🤩 We know that excellent engineers come from all kinds of backgrounds. You don’t need to match a rigid checklist, but we think you’ll thrive in this role if: * You have a solid foundation in backend development, with deep experience in Node.js and framework ecoystems like Nest.js. * You enjoy the unique challenges of third-party integrations, API design, and event-driven data flows. * You care just as much about the people you work with as the code you write, you value clear communication, psychological safety and diverse perspectives. * Bonus points (but not required): You’ve worked with Ruby, or you’re curious about experimenting with modern AI tooling like Claude. I am your new manager 👋 Hi! My name is Staffan, and I’ll be your new manager. I’ve been at Hemnet since 2019 and since last year working as Engineering Manager for a domain called Consumers. Our teams are currently working on many new and important areas for Hemnet – including personalization and smarter search features (including several initiatives utilizing AI to deliver next level user experience). My leadership style is listening, transparent, accessible, and supportive, while also challenging you to take your next step. Hopefully, we’ll learn a lot from each other and have plenty of fun as we break new ground at Hemnet. As a team, we get things done; we know when and where value can be added, and we’re clear on our priorities. Why did I decide to join Hemnet? I was strongly drawn to the culture and atmosphere – a wonderful combination of kindness, inclusiveness, and helpfulness, paired with high ambitions and a strong drive forward. My impression is that the people and the workplace together create the perfect foundation for you to do the best work of your career. A Note on Inclusion 💚 At Hemnet, we believe that diversity in gender, sexual orientation, ability, neurodiversity, cultural background and life experience makes us stronger. We welcome applicants of all identities and backgrounds. We build better together. At Hemnet, we believe diverse teams write better code and build better products. Even if you don’t check every single box above, we encourage you to apply. We value potential, curiosity, and a willingness to learn just as much as past experience. Our friendly Hemnet culture fosters a dynamic, playful environment where every voice is valued. Here, you’ll join a welcoming team that encourages you to thrive and grow, working alongside passionate colleagues from around the world. An Office-First Culture 🙏 We believe in the power of connection and the importance of flexibility. Our central Stockholm office is our hub for collaboration three days a week, with two remote days to support your personal work-life balance. We prioritize a sustainable pace because we know our best work happens when we’re energized and inspired. Please note that we're unable to provide relocation assistance for this opportunity.

Validio AB is a Stockholm-based software company providing a data quality and observability platform. The role is part of the Validation Engine team, responsible for backend services that read data from source systems (e.g. BigQuery, Snowflake, Kafka), run data validation logic, and report incidents to downstream systems. The employee will design, develop, test, and maintain backend components of this system. Main duties Design, develop, and maintain backend services in Rust and Go Develop and maintain SQL query generation logic across multiple database dialects (e.g. BigQuery, Snowflake, ClickHouse, Postgres) Define and maintain service contracts using Protocol Buffers and gRPC Build and maintain data source connectors, including schema introspection and authentication Diagnose and resolve production issues in distributed backend systems Write automated tests and maintain technical documentation for backend components Collaborate with Customer Success and Solutions Engineering teams to translate reported technical issues into engineering solutions Deploy and operate services using Kubernetes and related infrastructure tooling Qualifications University degree in Computer Science, Software Engineering, or equivalent professional experience Documented professional experience developing and maintaining production backend services in Rust or Go Strong working knowledge of SQL, including query optimization and execution plan analysis Experience with distributed systems and message-streaming technologies (e.g. Kafka) Experience with containerized deployment (Kubernetes) Professional proficiency in English