All posts by Jan P. Olsen

Data Scientist
– forecasting in the renewable energy industry

Are you a skilled data scientist? And would you like to work in a dynamic international team of specialists who constantly strive to create the best forecasts in the business? Then come join us in this position as data scientist alongside wind engineers, technical software developers, data scientists, and meteorologists.

In ConWX, we are servicing clients all over the world within the renewable energy industry with our energy production and weather forecasts. We are experiencing growth and reaching out to new markets. You will be joining a busy organization. While the deadlines might sometimes be tight, you can always count on help from your colleagues, as there is a high degree of team spirit in the company.

We are constantly working on improving our software and algorithms to stay ahead of the competition. We work closely together with our clients, and innovation and improvements are often done in a collaboration with them. Our forecasting systems are based on in-house developed algorithms and extensive data from weather models, some of which are running in-house. We use domain knowledge, machine learning and a pragmatic approach when building our forecasting systems.

We deliver forecasts 24/7 to our clients, and we rely on stable software and colleagues, who are willing to step in and provide a helping hand on urgent issues. The ConWX team is a mix of young and experienced colleagues.

The Position

For this position, we are looking for a candidate with hands-on experience of both programming and ideally project management of technical software projects.

  • As data scientist you will co-operate with engineers, data scientists, and the sales team internally
  • You will be working with our clients aligning technical details and expectations
  • You will work on R&D projects


We are looking for a candidate with the following technical qualifications:

  • Master’s degree in data science, engineering, or computer science
  • Experience with applying Machine learning techniques on time series data
  • Good programming skills in Python, and to a lesser extent of C#
  • Knowledge of Cloud environments (AWS and/or Azure)
  • Knowledge of technologies like Docker, Spark, Databricks and Experience with Devops practices is a plus

As a person, you are motivated by teamwork, you have a pragmatic and positive approach and a can-do attitude.

We welcome candidates who have worked in or with the energy sector, but this is not a requirement. We offer an exciting position in a team that is diverse regarding both nationality and gender.

Please send your CV and cover letter to – you are also welcome to send us your questions about the position to this email.

First Entry into Renewable Energy Vertical

Volaris Group today announced the acquisition of ConWX ApS, a provider of mission-critical power forecasting services for global energy providers.

ConWX is headquartered in Copenhagen and provides services for energy and energy trading companies globally. The company has a renewable energy install base of more than 100GW capacity.

“With the acquisition of ConWX, Volaris Group enters the renewable energy sector. ConWX is well-positioned in this important and growing industry and we see an interesting opportunity to expand our footprint,” said Jesper Ulsted, Portfolio Manager at Volaris Group, “Our buy-and-hold-forever philosophy is well-suited for companies looking for stability, long-term growth and and it fits particularly well with the sustainability focus of this new vertical.”

ConWX will continue to operate independently under the leadership of existing management team and founders Jesper Thiesen and Erik Østergaard Madsen.

Commenting on the deal, Jesper Thiesen stated “We were looking for a sustainable long-term partner and Volaris is an excellent fit for both our technology and our talented team.We are excited to be the first company within the renewable energy vertical at Volaris and are looking forward to building out this new vertical together. Our deep industry knowledge, combined with Volaris’ experience acquiring vertical market software businesses, creates a compelling opportunity.”

About ConWX

ConWX is a supplier of a range of advanced weather and energy forecasting services, especially for wind and solar power energy providers. Services are used for trading and nomination of daily energy production as well as project construction phases for offshore and onshore, and Metocean forecasts on routes and sites for the planning, construction, and O&M phase.

The company was founded with a focus on providing weather services for the wind sector and have through the years develop into providing advance power forecasting services, which are critical in a world with increased rate of energy coming from variable renewable energy sources.

In the last 6 years the company have developed into a critical Data-as-a-Service and Software-as-a-Service provider of high accuracy power forecast used for energy trading on global electricity markets.

About Volaris Group

Volaris acquires, strengthens and grows vertical market technology companies. As an Operating Group of Constellation Software Inc., Volaris is all about strengthening businesses within the markets they compete and enabling them to grow – whether that growth comes through organic measures such as new initiatives and product development, day-to-day business, or through complementary acquisitions. Learn more at