Senior Data Engineer (Helsinki, other)

Join Elisa’s Data & AI Team as a Senior Data Engineer! At Elisa, our Data & AI function is dedicated to developing large-scale data and AI applications to meet various business needs. You would be joining our Data Modeling and Delivery team, which is responsible for delivering data pipelines, data warehouse, tools & best practices around Data and AI area for organization. We value data and are committed to enhancing our customers' experiences in their everyday lives. The Role We are looking for a passionate Senior Data Engineer to join our Data Modeling and Delivery team on our cloudification journey. In this role, you will design and implement data models, data pipelines, and other development items that support multiple business areas. This role requires strong data integration skills, solid coding experience, and the ability to turn business needs into reliable data solutions. For that matter, the role will require not only knowledge of the technical side, but also to develop a good understanding of the business processes powering Elisa’s operations. In this job, you can use your skills in a creative and versatile way right at the heart of our company, as we maintain and further develop our platform. We at Elisa believe in the importance of face-to-face interaction in maintaining and developing our culture as well as strengthening the sense of belonging and sense of community. We have a hybrid work model in place, where the expectation is that Elisians will work on average three days a week at the office. What You'll Do Design, build and own data models and pipelines in BigQuery and Cloud Composer (Airflow) from requirements to production. Make technical design decisions and help set team standards for modeling, testing, code quality and documentation. Work directly with business stakeholders, translating their needs into reliable data solutions and building deep knowledge of one or more business domains. Continuously improve and optimize data operations, review code and work in collaboration with other engineers. Help shape how we use AI in data engineering: explore AI-assisted development, share what works with the team, and help turn it into shared practices. What To Expect A collaborative environment where you'll never be alone. A team that supports each other and learns together. Exposure to a modern tech-stack and business domain. Flexibility to work from any Elisa office in Finland, with occasional travel to our HQ in Pasila, Helsinki. What We Expect From You Strong experience with modern data engineering or data warehouse modeling, and development, with the ability to build reliable, production-ready data solutions. Proficiency in Python/SQL; knowledge of other programming languages is a plus. Practical development experience in some major cloud platforms (AWS, GCP, Azure). Google Cloud Platform (GCP) experience is a big advantage, as this is our main platform. Ability to build infrastructure and components using best practices (e.g., IaC with Terraform, CI/CD pipelines, git). Knowledge of GCP Cloud Composer (Apache Airflow). Familiarity with data processing frameworks like GCP Dataflow (Apache Beam), Datastream. Interest in AI-assisted development, with a practical mindset for using AI tools to work smarter and identifying where they can genuinely add value in our development practices. Hands-on experience with AI coding assistants or LLM-based tooling (e.g. Github Copilot, Gemini) in a data engineering context is considered a plus. Write maintainable and well-tested code. Good communication skills and fluency in English. Previous experience in team mentorship or supervisory roles is also considered an asset. Why join us? Here are some of the things why we like working at Elisa but don’t take our word for it, come and see for yourself! In this role you have an opportunity to work with true big data Friendly and highly skilled colleagues We are a large Finnish company with over 2 million customers and you have a unique opportunity to impact our customers' everyday lives. We offer and develop a variety of digital services, making our work diverse and impactful. Elisa is rated as one of the world’s most sustainable companies, our mission is a sustainable future through digitalisation. As a large IT house, we provide modern tools and work with the latest technology. We are known for our flexible working conditions, endless learning opportunities, and friendly, laid-back culture. Read here more about working at Elisa! Please note that the chosen candidate will undergo a drug test and a security clearance vetting, which requires having stayed in Finland for multiple years . Interested? Leave us your application! If you have any questions, you can contact Team Manager Gabriel Estivalet (firstname.lastname @ elisa.fi). 😊