Job description:
We are looking for a C# Software Developer to become part of our Insurance and Finance specialized development team at Vaisala Xweather in Harpenden, UK. Be part of a dynamic team at the forefront of innovation, shaping the future of climate risk transfer with high-impact projects that demand precision.
Vaisala is a global leader in measurement instruments and intelligence helping industries, nations, people, and the planet to thrive. From predicting hurricanes to optimizing renewable energy production, our technology is used where it matters the most – from data centers, windfarms and laboratories to airports, the Arctic and even the surface of Mars. Vaisala was recognised by Time Magazine in 2025 as among the world’s best companies for Sustainable Growth. Our team of over 2,300 experts and 59 nationalities around the world is committed to taking every measure for the planet. Driven by our shared purpose, curiosity, and pioneering spirit, we stay ahead and make a difference. At Vaisala, you don't have to fit in to belong.
Why Join Us?
- Join a team that pushes the boundaries of traditional meteorological services, delivering innovative solutions tailored to the unique demands of the climate risk transfer market.
- Contribute to projects where accuracy, precision, and reliability are not just priorities—they’re essential for success.
- Thrive in a trust-based culture that values results over location. While we cherish in-person collaboration, hybrid work and flexibility have become integral to how we operate.
What’s Your Role?
At Vaisala Xweather, we have built the world’s largest proprietary database of cleaned weather variables. Our advanced system processes data from over 200 sources, seamlessly ingesting more than 100,000 files daily.
As part of our team of six developers, formerly part of the Speedwell Climate group and now integrated into Vaisala Xweather, your role will be to oversee and optimize all data feeds, ensuring that information is delivered to our database with accuracy and efficiency.
You will manage and improve the ingestion and processing of all data imports, contributing to our mission of transforming weather data into actionable insights for the climate risk transfer market.
What Will You Bring?
We’re looking for someone who combines technical expertise, attention to detail, and a passion for bridging weather data with financial applications. In this role, you’ll work with large and complex data sets, requiring strong systematic and problem-solving abilities, precision in code quality, testing, and documentation, as well as a collaborative mindset. You should also be eager to learn and adapt to new technologies.
Key skills and experience include:
- C# and .NET 8 (at least two years of professional experience)
- Familiarity with data import methods such as APIs, FTPs, web scraping, and file systems
- Knowledge of authentication protocols (OAuth, JWT, etc.)
- Proficiency in SQL
- Experience with Azure DevOps and CI/CD pipelines
- Proven ability to write unit, integration, and performance tests
Bonus skills:
- Strong numeracy
- Interest or experience in meteorology
- Proficiency in English is required, and knowledge of additional languages would be a plus.
For additional information please contact CTO and Managing Director Michael Moreno michael.moreno@vaisala.com. Please note that applications sent via email cannot be processed due to privacy reasons.
Ready to take every measure for the planet? Apply at the latest on February 12, 2025 via the application form.
