Senior Software Engineer

Reporting to the Head of Software and Platform Engineering, the Senior Software Engineer will play a key role in driving the delivery, quality, and technical excellence within the Software Engineering team.

You ll set the example for a team of talented developers working on smart energy applications, IoT integrations, and cloud-based systems, ensuring efficient collaboration, code quality, and alignment with architectural standards.

This role would particularly suit someone who enjoys teaching others, and has a passion for making teams better, but does not want direct people management responsibilities.

You ll build products by designing and writing code and infrastructure, provide mentorship to developers, and ensure that software products are built with user value, quality and maintainability at their core.

You ll also contribute to shaping Chameleon s software engineering best practices and play a critical part in delivering solutions that enable smarter, more sustainable energy management.

Key Responsibilities

• Write code thoughtfully, considering user value, maintainability, and consistency across the system.
• Contribute to software and infrastructure design, ensuring it is robust, consistent, and meets the needs of the business and customers.
• Make the team around you better at what they do, leading both by example, and by teaching through collaboration.
• Maintain strong relationships with the commercial and product team, helping us to build the right things.
• Drive continuous improvement in development processes, tools, and methodologies within the team.
• Ensure software projects meet functional and non-functional requirements including performance, security, and scalability.
• Maintain and improve automated deployment processes.
• Maintain and improve automated testing processes.
• Create, update and operate cloud infrastructure.
• Debug issues and incidents across the whole stack.

About You

• Proven experience delivering high-quality software products.
• Deeply curious, and able to carefully balance the trade-offs software engineering is all about.
• A passion for teaching and mentoring others, and maintaining a culture of technical excellence.
• Serious about testing and test automation.
• Expertise in one or more modern programming languages - preferably including JavaScript or Typescript.
• Strong understanding of user-focused API design and testing.
• Experience working with cloud infrastructure using Infrastructure as Code (we use AWS with Terraform)
• Good communication and collaboration skills, with the ability to engage both technical and non-technical stakeholders.
• Strong problem-solving skills and the ability to manage competing priorities (with support) in a fast-paced environment.
• Proactive mindset with a focus on innovation, continuous improvement, and sustainable development.
• Experience collaborating with commercial product managers to define and deliver product roadmap commitments, and working effectively with other cross-functional teams, including customer support.

Desirable Experience

• Experience in the energy, utilities, or IoT sectors, ideally with connected devices or smart metering.
• Expertise in relational databases, ideally PostgreSQL - you must have experience designing schemas and optimising SQL queries.
• A champion of XP practices including Test-Driven Development, Pair and Mob Programming.
• Familiarity with high-volume time series data, and relevant technologies like TimescaleDB.
• Expertise designing complex AWS infrastructure using multiple services including SQS, Kinesis.
• Experience with network and infrastructure security in AWS.