Kaluza Case Study

Read the case study on our collaboration with Kaluza

About Kaluza

kaluza logo

An OVO Group company, Kaluza is an intelligent platform ecosystem, powering the future of energy. From revolutionising billing to smart electric vehicle charging, Kaluza’s technology is empowering some of the biggest energy suppliers to better serve millions of customers.

Kaluza’s market leading innovation is recognised across the industry, winning ‘Technological Innovation’ in edie’s Sustainability Leaders Awards 2020, ‘Transport Technology’ in BusinessGreen Technology Awards 2019 and ‘Best Innovation in Electricity’ at the UK Energy Innovation Awards 2019.

about the project

Kaluza's need


Grow the software team

To meet the growing demand for its innovative cloud technology, Kaluza needed additional developers to join its teams.


Quick project kick-off

The company required expertly skilled software engineers who can not only hit the ground running, but proactively contribute to new product development.


Modernise tech stack

Kaluza works with multiple technologies including Go, Javascript, Kafka and distributed microservices. Some of the main technologies required were React, ES6, NodeJS, Typescript, GraphQL, Go, Python, microservices architecture, Kafka and cloud technologies.

The Zartis team

Zartis was able to quickly hire 4 engineers with the required skills, significantly increasing the capacity of one of the teams in a short span of time. The four engineers are all senior and based in Madrid.

extended software developers

About the project

The solution

Effective remote working

The Zartis developers were able to pitch in with their expertise in effective remote working. Working together, Zartis and Kaluza were able to set up highly efficient processes and workflows optimised for remote collaboration. This included establishing proper communication processes to ensure everyone is kept in the loop.

Transfer of technical expertise

The Zartis team not only made valuable contributions by leveraging their expertise in cutting-edge technologies like Go, React, NodeJS, and Typescript, but also actively participated in various initiatives including product development, PoCs, technical debt reduction, and more.

The results

Increased Expertise

increased expertise

Knowledge sharing of state-of-the-art practices and technologies.


continuous improvement

Introducing new technologies. Reducing technical debt.

Ongoing Success

ongoing success

4+ years of working together and continuing collaboration.

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