Senior AWS & Python Cloud Engineer | Energy Tech Leader

E.ON Next; City Of London; On-site; GBP 90,000 - 150,000; Full time

Benefits offered by this job

26 days annual leave

Generous pension

Life cover

Bonus opportunities

Flexible benefits with tax/NI savings

Hybrid & family-friendly policies

Job summary

E.ON Next is seeking an experienced Senior/Staff Software Engineer to join our Engineering team in London. You will help build scalable, full-stack cloud solutions with a focus on Python, AWS, and serverless architecture, while mentoring peers and championing best practices.

You’ll influence technical direction, collaborate with Product, Data, Front-end and Design teams, and drive improvements across development processes.

Qualifications

• Proven experience as a Senior Engineer, Staff Software Engineer or Team Lead.
• Experience providing technical leadership within an engineering squad or similar environment.
• Strong experience with Python, or transferable software engineering experience and a willingness to develop in Python.
• Experience building and working with RESTful APIs and/or GraphQL.
• Experience with AWS or other cloud technologies and an understanding of cloud-native application design.
• Strong knowledge of software engineering principles and development practices such as TDD, automated testing, pair programming and code review.
• Excellent software design, problem-solving and debugging skills.
• Experience using Git or other version control systems.
• The ability to communicate technical concepts clearly and collaborate effectively with both technical and non-technical colleagues.
• A genuine curiosity for technology and a desire to keep learning, experiment with new approaches and continuously improve.

Responsibilities

• Design, build and evolve scalable full-stack applications using Python and AWS.
• Take a serverless-first approach to designing robust, maintainable cloud solutions.
• Plan, build, test and release new features, products and experiments.
• Tackle complex technical challenges involving large-scale systems and high volumes of data.
• Contribute to technical design and architectural decisions, helping shape solutions from the ground up.
• Provide technical leadership within your squad and help set high standards for engineering excellence.
• Support and develop other engineers through mentoring, pair programming and constructive code reviews.
• Champion modern engineering practices, including TDD, automated testing and continuous improvement.
• Share knowledge, challenge ideas constructively and help create an environment where engineers can do their best work.
• Work closely with Product, Data, Front-end, Platform, Security and Design teams to turn ideas into great products.
• Work in an agile environment where engineers have a genuine voice in how we solve problems.
• Translate complex technical challenges into clear, practical solutions.
• Continuously look for better ways of working, improving both our technology and the experience of the teams building it.

Skills

Python

Senior Engineer

Staff Software Engineer

Team Leadership

RESTful APIs

GraphQL

AWS

TDD

Automated testing

Code reviews

Git

Mentoring

Tools

AWS Lambda

DynamoDB

RDS

AppSync

Job description

E.ON Next is seeking an experienced Senior/Staff Software Engineer to join our Engineering team in London. You will help build scalable, full-stack cloud solutions with a focus on Python, AWS, and serverless architecture, while mentoring peers and championing best practices.

You’ll influence technical direction, collaborate with Product, Data, Front-end and Design teams, and drive improvements across development processes.