Senior Software Engineer (w/m/d)
Kraken123
Senior Software Engineer (w/m/d) at Kraken123 is a full time role based in Berlin, State of Berlin, Germany. Listed skills: Backend Engineering. It was published on 22 July 2026 and was open at last check.
| Role | Senior Software Engineer (w/m/d) |
|---|---|
| Company | Kraken123 |
| Location | Berlin, State of Berlin, Germany |
| Employment type | Full Time |
| Skills listed | Backend Engineering |
| Published | 22 July 2026 |
| Status | Open at last check |
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.
Our Kraken Team
All technology is written and maintained by a multi-discipline engineering team of around 500 people globally. Our engineers work in ‘super teams’ which are focused on key domains of our platform as well as other innovative products. This also includes server-side, client-side and mobile engineers working closely with UX experts, copywriters and designers.
Teams are empowered to choose a way of working that works for them, often opting for a Kanban-like approach. Notion and Asana are then used to specify and manage work; Github, CircleCI and Terraform Enterprise as part of an immutable-infrastructure, continuous delivery pipeline; and Datadog, Sentry and Cloudwatch to measure performance and monitor production.
Some of our coding conventions are open-source .
Kraken is a great place to learn, work with talented engineers and have a lot of fun.
What you'll do
You’ll love this role if you’re excited about coding a lot, in close collaboration with your highly experienced peers as part of a truly global team. You’ll ensure clean software design, choice of right technologies, and participate in building an application to very high standards that is designed for tremendous global impact.
As the team will grow, you’ll onboard other team members, ensure good documentation, clean code and contribute to establishing a great developer experience.
You'll be working for a company that’s fighting climate change.
As a SaaS company, we're helping people to use greener technology and renewable energy, all helping move the energy market towards a lower carbon future.
- Fluency and good communication in English and German, French, Italian or Spanish is a plus
- 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: You should have solid knowledge and experience in Python development to create efficient and scalable backend solutions.
- Django (or equivalent web framework): You have worked with Django or an equivalent web framework to support and accelerate web application development.
- Domain modeling: You possess competence in domain modeling and implementing these models into effective backend structures to support complex business logic.
- HTTP and REST APIs, as well as GraphQL: You have in-depth understanding and hands-on experience in developing and implementing both REST and GraphQL APIs, ensuring efficient communication and flexibility between frontend and backend systems.
- Writing robust and fault-tolerant software: You can write robust and fault-tolerant software that runs smoothly and reliably even under adverse conditions.
- Celery and async processing: You have gained experience with Celery and asynchronous processing to efficiently handle tasks in the background and optimize backend performance.
- Postgres: You have knowledge and experience in working with Postgres to develop and manage database applications that meet scalability, performance, and data integrity requirements.
- An internationally positioned team with flat hierarchies and open and transparent communication
- We rely on flexible working hours
- Share options: You will have the opportunity to participate in the international success of Octopus Energy Group Ltd. through share options.
- Hybrid work: Whether you want to come to the office or stay at home, we're flexible!
- Language connects: Take your English skills to the next level with Udemy, our corporate language training provider
- For more exercise: Lease your favourite bicycle from us at a low price
- For a healthy work-life balance: train with Wellpass in over 6000 sports and health facilities all over Germany
- Eating makes you happy: We'll give you a monthly allowance of 108,45€ for your daily lunch (easily via app).
- For a relaxed commute to work: We reimburse you for public transport costs
- One less thing to worry about: we'll cover some of your childcare costs
- Whether online or offline - team cohesion and joint events are part of our everyday working life
- A stylish working environment in our Berlin office close to Prenzlauer Berg, or Munich in our office close to Ostbahnhof
- For a secure future: the opportunity to take out a company pension scheme through us
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 ----- 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
Create your free OnJob profile to apply — we'll take you to Kraken123's application after sign-up. · Posted 22 Jul 2026.
Senior Software Engineer (w/m/d) at Kraken123 — questions answered
What does the Senior Software Engineer (w/m/d) role at Kraken123 pay?
Kraken123 does not publish a salary on this Senior Software Engineer (w/m/d) listing, so OnJob shows no figure for it rather than an estimate. For what this role pays across the market, the OnJob salary guides aggregate the live listings that do disclose pay.
Where is the Senior Software Engineer (w/m/d) role at Kraken123 based?
Kraken123 lists this Senior Software Engineer (w/m/d) role in Berlin, State of Berlin, Germany, advertised as full time work at that location. Larger employers sometimes cover several sites under one city name, so confirm the exact office with Kraken123 before you apply.
What skills does the Senior Software Engineer (w/m/d) role at Kraken123 require?
The Senior Software Engineer (w/m/d) at Kraken123 listing names Backend Engineering. Those are the skills the employer put on the posting itself, so they are the ones worth matching in your profile and covering first in an interview.
Is the Senior Software Engineer (w/m/d) role at Kraken123 still open?
The Senior Software Engineer (w/m/d) posting at Kraken123 was open at OnJob's last check of the employer's careers page, having been published on 22 July 2026. OnJob re-checks source listings on each build and marks a role closed once it disappears, but listings can close without notice, so the employer's own page is the final word.
How do you apply for the Senior Software Engineer (w/m/d) role at Kraken123?
Apply to the Senior Software Engineer (w/m/d) at Kraken123 role through OnJob with a free profile: OnJob scores your fit against the listing, shows the skills lowering that score, and submits an ATS-ready profile to Kraken123's own application page. Creating a profile is free and needs no card.
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