Senior Software Engineer (Backend - Python/Django)
Senior Software Engineer (Backend - Python/Django)
Posted on :
22-08-2025
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1 Vacancy
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Job Description
Help us use technology to make a big green dent in the universe!
Were 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.
Its a really exciting time in energy. Help us make a real impact on shaping a better more sustainable future.
Our team
All technology is written and maintained by a multi-discipline engineering team of around 800 people. This includes server-side client-side and mobile engineers working closely with UX experts copywriters and follow a Kanban-like approach using Google docs and Asana to specify and manage work; Github and CircleCI as part of an immutable-infrastructure continuous delivery pipeline; and Sentry and Cloudwatch to measure performance and monitor is a great place to learn work with some talented engineers and level-up your skills. Some of our coding conventions are open-source .
Engineering standards are high. We pair program thoroughly review and test code before it deploys and maintain fast high-value test suites. We have weekly tech talks monthly blitz-days (eg sharpening our internal tools upgrading dependencies) and can often be found at tech meet-ups and conferences.
Octopus is a great place to learn work with some talented engineers and level-up your skills.
Our technology
On the server-side we mainly use Python. Most of our websites are powered by Django Django-REST-framework and GraphQL (Graphene).We use AWS heavily as part of a continuous deployment pipeline. See for example Django ELB health checks and continuous delivery.
What youll do
- We have lots of difficultdesign challengesto solve. The Japanese energy market is complicated outdated and process-heavy - theres an awful lot of domain modelling that we need to get right. Strong attention to detail is essential.
- We have difficulttechnical problemsto solve. With the advent of smart meters well soon be processing 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.
- Theres a great opportunity for disruption in the Japanese energy market. The energy landscape is changing as we move to more dis-aggregated forms of generation with less predictability more dynamism and smarter technology. Octopus Energy were the first UK supplier to introduce a tracker tariff whose prices track the daily wholesale prices: be working for a company thats fighting climate change. Our parent company is the largest investor in solar generation in the UK and are funding wind and anaerobic digestion. As a supplier were helping people to use greener technology and renewable energy all helping move the UK towards a lower carbon future.
What youll have
- Were 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
- AWS
- Terraform Packer Consul
- Ability to speak Japanese would be a plus
Plus experience in the following would be a bonus:
Kraken is a certified Great Place to Work in France Germany Spain Japan and the UK we are one of the Best Workplaces on Glassdoor with a score of 4.7. 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 and well 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 were 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. U.S. based candidates can learn more about their EEO rights here.
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 youve read understood and consent to these terms
Required Experience:
Senior IC
Employment Type
Full-Time
Key Skills
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