Senior Software Engineer - Customer Entities

Kraken

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London hybrid Until 9/8/2026 First posted July 10, 2026 Last posted July 10, 2026
Job description
 
Help us use technology to make a big green dent in the universe!
 
Kraken powers some of the most innovative global developments in energy.
 
We’re a technology company focused on creating a smart, sustainable energy system. From optimising renewable generation, creating a more intelligent grid and enabling utilities to provide excellent customer experiences, our operating system for energy is transforming the industry around the world in a way that benefits everyone.
 
It’s a really exciting time in energy. Help us make a real impact on shaping a better, more sustainable future.

🏡 Where you'll fit in

The Customer Entities team sits at the centre of the Kraken Customer system; providing the foundations for the customer's experience. It provides representations of the core parts of the system - an account and customer's identity. It also provides addresses information to the system, which is key to many parts of the system, such as ensuring comms are sent to actual verified locations. You will be helping with further enhancing the relatively new addresses product with features such as verifying address information.

🚀 What you’ll own

    We have lots of difficult design challenges to solve. The UK utilities market is complicated, outdated and process-heavy - there's an awful lot of domain modelling that we need to get right. Strong attention to detail is essential.

    • We have challenging technical problems to solve; like processing tens of millions of meter readings a day. We need the right technology in place to handle this smoothly as well as feeding data into a machine learning pipeline that models and predicts consumption. Or thinking about how we adapt Kraken to improve other utilities like water and broadband.

    • There's a great opportunity for disruption in the UK energy market. The big suppliers still dominate, but are not exactly popular. The energy landscape is changing as we move to more dis-aggregated forms of generation, with less predictability, more dynamism and smarter technology.

    • You'll be working for a company that’s fighting climate change. Our generation arm is the largest investor in solar generation in the UK, and is funding wind and anaerobic digestion. As a supplier, we're helping people to use greener technology and renewable energy, all helping move the UK towards a lower carbon future.

🧠 What you bring to the party

    We're looking for someone with a general interest in technology and problem-solving; someone diligent and thoughtful. It would be helpful to have experience/expertise in the following (in rough priority order):

    • Python

    • Django (or equiv. web framework)

    • Domain modelling

    • HTTP and REST APIs

    • Writing robust and fault-tolerant software

    • Celery and async processing

    • Postgres

      • ⭐️ Bonus points

      • AWS

      • Terraform, Packer, Consul

Kraken is a certified Great Place to Work in France, Germany, Spain, Japan, Australia, and USA. In the UK we are one of the Best Workplaces on Glassdoor with a score of 4.5, and in Germany we rate 4.7 on Kununu as a Top Company. Check out our Welcome to the Jungle site (FR/EN) to learn more about our teams and culture.
 
Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. If you have any specific accommodations or a unique preference, please contact us at [email protected] and we'll do what we can to customise your interview process for comfort and maximum magic!
 
Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Kraken, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. We consider all applicants without regard to race, colour, religion, national origin, age, sex, gender identity or expression, sexual orientation, marital or veteran status, disability, or any other legally protected status. 
 
Our (i) Applicant and Candidate Privacy Notice and Artificial Intelligence (AI) Notice, (ii) Website Privacy Notice and (iii) Cookie Notice govern the collection and use of your personal data in connection with your application and use of our website. These policies explain how we handle your data and outline your rights under applicable laws, including, but not limited to, the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA). Depending on your location, you may have the right to access, correct, or delete your information, object to processing, or withdraw consent. By applying, you acknowledge that you’ve read, understood and consent to these terms
About this role

Summary

Develop and enhance customer identity and address systems handling large data streams

Job title

Senior Software Engineer - Customer Entities

Experience level

senior level

Industry

energy

Location requirements

London, no remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

pythondjangodomain modellingrest APIspostgres

Preferred skills

awsterraformpackerconsul

Specializations

pythondjangodomain modellingrest APIspostgres
Locations

Structured locations inferred from the posting.

London, UK

On-site City
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