At a Glance
- Tasks: Join us to build innovative energy tech that makes a real difference in people's lives.
- Company: Octopus Energy, a leader in the green energy revolution with a vibrant culture.
- Benefits: Flexible salary, remote work options, and a supportive environment for personal growth.
- Other info: Dynamic workplace with opportunities for career advancement and a focus on inclusivity.
- Why this job: Be part of a mission-driven team shaping the future of energy technology.
- Qualifications: Experience in Python, Django, and problem-solving skills are a plus.
The predicted salary is between 49500 - 60500 £ per year.
We're making energy fair, clean, and simple for all using technology. Octopus Energy started with a bold idea: to build Britain's first truly digital energy supplier. By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain's largest energy supplier. Octopus Energy Group is a global energy transition collective, with 10 businesses working across 4 continents to tackle energy transformation at nearly every front.
At Octopus Tech, you'll have real ownership, variety, and the chance to shape products that make a tangible difference in people's lives - lowering bills, enabling greener living, and delivering experiences customers genuinely love. You'll work side by side with teams across marketing, operations, and data, and see the impact of your work in the real world, fast.
We are looking for a Backend Engineer to join our Global Backend Team. The Global Backend Team are the powerhouse behind our mission to build the future of energy tech, working on our new and rapidly growing backend retail codebase used by all Octopus Energy engineering teams around the world. We embrace flat hierarchies and an open, agile culture that fosters innovation, flexibility, and creativity.
What you'll have:
- General interest in technology and problem-solving; someone diligent and thoughtful.
- Experience/expertise in the following (in rough priority order):
- Python
- Django (or equivalent web framework)
- Domain modelling
- GraphQL
- Writing robust and fault-tolerant software
- Celery and async processing
- Postgres
- Experience in the following would be a bonus:
- AWS
- Kubernetes
We would prefer someone who can work in our London office but will consider remote candidates. However, you do need to be able to work in the UK.
Why else you'll love it here:
Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about!
Our process usually takes up to 4 weeks, but we’ll always do our best to flex around what works for you. Along the way, you’ll chat with our recruitment team and your Recruiter will help you throughout different stages. Got any burning questions before then? 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.
As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.
Backend Engineer in London employer: Octopus Energy Germany GmbH
At Octopus Electric Vehicles, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. Our TechOps team is at the forefront of driving operational excellence, providing ample opportunities for professional growth and development in the rapidly evolving electric vehicle sector. Located in the UK, we offer competitive benefits and a supportive environment where your contributions directly impact our mission to revolutionise the way we think about transport.
Contact Details:
Octopus Energy Germany GmbH Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Backend Engineer in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Octopus Energy Germany GmbH or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Octopus Energy Germany GmbH.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Octopus Energy Germany GmbH.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Octopus Energy Germany GmbH that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Backend Engineer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Octopus Energy Germany GmbH.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Octopus Energy Germany GmbH and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Octopus Energy Germany GmbH
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Octopus Energy Germany GmbH uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.