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Polarium Solna Full time

Lead Data Engineer, Digital Engineering

About the job

Since our inception in 2015, Polarium has been at the forefront of transforming the energy industry. Our commitment to innovation has led us to unlock the vast potential of energy storage systems, providing a range of intelligent and digital services. We take pride in our ability to meet challenges head-on, which fuels our creation of next-generation premium energy storage products. These products are deployed globally, functioning efficiently across all continents and climates. As a result, we not only power businesses but also optimize energy usage and significantly reduce carbon dioxide emissions, steering us toward a cleaner, sustainable energy future.

At Polarium, change begins with our people. We are committed to fostering a diverse and inclusive workplace that encapsulates creativity, innovation, and more accurately reflects our diverse customer base across the globe. We champion a positive work-life balance, believing it to be the key to effective teamwork and a fulfilling career journey.

We design, develop, and manufacture state-of-the-art energy storage solutions using cutting-edge lithium-ion technology. Our goal is ambitious yet simple: engineer systems that not only store energy but also optimize its use as we transition to more efficient and renewable energy sources worldwide. By joining us, you will collaborate with top-tier engineers, scientists, and developers, all dedicated to paving the way for significant advancements in battery energy storage and optimization systems.


Location: Stockholm

Role Overview: 

Are you ready to lead and redefine the data landscape in an innovative energy solutions company? As the Lead Data Engineer at Polarium, you'll spearhead the development of our cutting-edge data analytics platform, facilitating self-service data access and empowering strategic decision-making throughout the organization. Your technical expertise will be crucial in building scalable data infrastructures and crafting robust datasets that enhance our operational excellence.


    • Architect and refine our self-service data analytics platform, enabling intuitive access and powerful data exploration capabilities.
    • Build and maintain scalable data pipelines that support and enhance our infrastructure, ensuring data integrity and accessibility.
    • Collaborate with a team of engineers and analysts to optimize data quality and system reliability.
    • Lead the development of system specifications, architectural designs, and process enhancements to improve platform functionality.
    • Design and implement technical solutions including data models, integrations, and cloud-based pipelines using AWS.
    • Manage technical configurations, script automation, and oversee outputs from third-party developers.
    • Drive pre-study assessments for the integration of new technologies and projects, shaping the future of data strategy at Polarium.
    • Provide high-level support and expertise to internal teams and external partners, enhancing collaborative efforts and product delivery.

Qualifications and experience: 

    • At least 3 years of experience in data engineering or a related field, showcasing a portfolio of successful projects.
    • Demonstrated expertise in constructing advanced data platforms and pipelines.
    • Proficient in programming languages such as Python or R.
    • Strong foundation in data modeling, data warehousing, ETL processes, and database management.
    • Skilled in cloud environments, particularly AWS, with a good grasp of CI/CD practices and version control using Git.
    • Advanced degree in Computer Science, Engineering, or related field.
    • Excellent communication skills, with proficiency in English.
    • Willingness for occasional travel as needed.

    We offer

    • Bonus system
    • Maximized wellness contribution
    • Five extra flexibility days
    • Pension and health insurance

    Kindly submit your application through the provided apply button in the advertisement on our careers page, as we are unable to accept any applications via email in compliance with the GDPR regulations.

    We look forward to receiving your application!

    Om företaget
    Building a Sustainable Future Together

    We are a Swedish company dedicated to providing the best-performing, safe, and sustainable energy storage solutions built on lithium-ion technology. Today, our market-leading solutions are in use on all continents and in all climate zones. We ensure that the flow of energy never stops, while enabling our customers to reduce their energy costs and carbon footprint. 

    Do you share our vision for a smart and sustainable future? Join our team!

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