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About the Role
We are seeking an experienced Senior to Staff Software Engineer to join our Engineering team and contribute to building technology that transforms how people interact with energy. At E.ON Next, we are addressing significant challenges in the energy sector, including affordability, sustainability, and customer experience. Technology is central to our mission, and you will play a key role in developing the products and platforms that drive these advancements. You will be part of a collaborative, high-performing engineering team working across various business areas, building full-stack cloud solutions with a Python backend and a serverless-first approach using AWS services.
Responsibilities
- Design, build, and evolve scalable full-stack applications using Python and AWS.
- Adopt a serverless-first approach for designing robust, maintainable cloud solutions.
- Plan, build, test, and release new features, products, and experiments.
- Address complex technical challenges involving large-scale systems and high data volumes.
- Contribute to technical design and architectural decisions, shaping solutions from inception.
- Provide technical leadership within your squad and establish high standards for engineering excellence.
- Support and develop other engineers through mentoring, pair programming, and code reviews.
- Champion modern engineering practices like TDD, automated testing, and continuous improvement.
- Share knowledge, engage in constructive debate, and foster an environment for optimal engineer performance.
- Collaborate with Product, Data, Front-end, Platform, Security, and Design teams to deliver products.
- Operate in an agile environment with engineers actively involved in problem-solving.
- Translate complex technical challenges into clear, practical solutions.
- Continuously seek improvements in both technology and team working experiences.
Requirements
- Proven experience as a Senior Engineer, Staff Software Engineer, or Team Lead.
- Experience providing technical leadership within an engineering squad or similar setting.
- Strong experience with Python, or transferable software engineering experience with a willingness to learn Python.
- Experience building and working with RESTful APIs and/or GraphQL.
- Experience with AWS or other cloud technologies and understanding of cloud-native application design.
- Strong knowledge of software engineering principles and development practices (TDD, automated testing, pair programming, code review).
- Excellent software design, problem-solving, and debugging skills.
- Experience using Git or other version control systems.
- Ability to communicate technical concepts clearly and collaborate effectively with technical and non-technical colleagues.
- Genuine curiosity for technology and a desire for continuous learning, experimentation, and improvement.
- Employment subject to a basic DBS check.
Skills
- Python
- AWS
- RESTful APIs
- GraphQL
- Cloud-native application design
- TDD
- Automated testing
- Pair programming
- Code review
- Software design
- Problem-solving
- Debugging
- Git
- Version control systems
Location
- London - E.ON Next, 47-53 Charterhouse Street, Farringdon, London, EC1M 6PB
- Travel to other sites when required
Work Type
- Hybrid
- Flexible
Experience Level
- Senior
- Staff
Salary/Compensations
- Competitive salary
Benefits
- Excellent parental leave allowance
- 26 days of annual leave plus bank holidays
- Generous pension
- Life cover
- Bonus opportunities
- Access to 20 flexible benefits with tax/NI savings
- Fertility Friendly accreditation
- Menopause Friendly accreditation
- Support for growth through inclusive talent networks and development programmes
About the Company
- At E.ON Next, we are tackling some of the biggest challenges facing the energy industry - from affordability and sustainability to creating better experiences for our customers.
- We are proud to be named a Sunday Times Best Place to Work 2025 and the Best Place to Work for 16–34-year-olds.
- Our industry-leading hybrid and family-friendly policies earned us double recognition at the Personnel Today Awards 2024.
- We are the only energy company in the Inclusive Top 50 UK Employers.
- We are proud winners of Best Employer for Women and Human Company of the Year—recognising our inclusive, people-first culture.
Equal Opportunity
- As a Disability Confident Employer, we guarantee interviews for disabled applicants who meet the minimum criteria for the role and will make any adjustments needed during the process.