Senior Backend Engineer
Octopus EnergyLondon, United Kingdom
Full Time
Posted December 19, 2025
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Job Description
A Senior Backend Engineer at Octopus Energy for Business will develop and maintain innovative backend solutions to support green energy products and services, contributing to the company's mission of accelerating the renewable energy transition and delivering exceptional customer value.
Key Responsibilities
- Develop and maintain backend systems for the Octopus Energy for Business team.
- Implement market-leading green products, customer propositions, and initiatives.
- Collaborate with cross-functional teams including marketing, operations, and data.
- Support the scaling and deployment of smart energy products and solutions.
- Ensure the reliability, performance, and security of backend services.
Requirements
- Proven experience as a Backend Engineer or in a similar role, with a strong background in developing and maintaining backend systems.
- Extensive experience with designing, building, and deploying scalable, reliable, and secure backend services and APIs.
- Proficiency in at least one programming language commonly used for backend development, such as Python, Java, or Node.js.
- Solid understanding of database systems, including experience with relational databases (e.g., PostgreSQL, MySQL) and/or NoSQL databases (e.g., MongoDB, DynamoDB).
- Experience with cloud platforms and services, preferably with knowledge of AWS, Azure, or Google Cloud, including deploying and managing cloud-based applications.
- Strong knowledge of RESTful API design principles and experience in building and consuming APIs.
- Experience with version control systems, particularly Git, and collaborative development workflows.
- Understanding of security best practices for backend systems, including authentication, authorization, and data protection.
- Ability to write clean, maintainable, and well-documented code following best practices and coding standards.
- Experience with testing frameworks and methodologies to ensure code quality and reliability.
- Excellent problem-solving skills and the ability to troubleshoot and resolve complex technical issues efficiently.
- Strong communication skills, with the ability to collaborate effectively with cross-functional teams including marketing, operations, and data teams.
- A minimum of 3 years of professional experience in backend development or a related field.
- Ability to work in the UK or in a remote capacity within the UK, with the flexibility to work in our London office if preferred.
- Willingness to work in an agile, flat-hierarchy environment that fosters innovation, flexibility, and customer-centricity.
Benefits & Perks
Work in a flexible, open, and agile culture that fosters innovation, flexibility, and creativity
Potential for remote work (consideration given to remote candidates within the UK)
Inclusive and equal opportunity work environment with accommodations available upon request
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