Release Engineer

Job title: Release Engineer

Location: London / Bristol / Edinburgh - Hybrid 

Salary: £55,000 - £73,000

Team: Release Engineering team

Reporting To: Software Engineering Manager

At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.

Kaluza reimagines energy to bring net-zero within everyone’s reach. Our intelligent platform enables energy utilities to unlock the full value of a radically changing energy system and propel us to a future where renewable energy is sustainable, affordable and accessible for all. 

From automating and simplifying core operations including billing to create a lower-cost, higher-engagement experience, to optimising energy usage across smart devices in the home, we turn tough challenges into win-win-win outcomes for customers, suppliers and the energy system. 

At Kaluza we embrace a flexible, hybrid work model that balances autonomy with the power of in-person connection. Many of our teams find value in coming together regularly to collaborate, strengthen relationships, and accelerate progress. We’re focused on shaping thoughtful, team-driven approaches that support both business impact and individual well-being.

We also prioritise meaningful company-wide gatherings like our annual conference and end-of-year celebrations, that bring us together to align, connect, and celebrate.

What will I be doing?

Working within the Release Engineering team, you'll contribute across Kaluza's software development lifecycle. Your focus will be on developing engineering solutions that enable our software teams to frequently deploy the highest quality code for our clients.  You will enhance engineering productivity by optimising testing, deploy and release processes for all Kaluza engineering teams.

Responsibilities

• Work with Engineering teams and QA teams to engineer high quality and usable tooling across the build,  deploy and release pipeline
• Engineer a fully automated release pipeline which incorporated testing best practise and reduces toil for engineering teams 
• Maintain and support Kaluza’s existing tooling across release, code repositories and centralised build and deploy tooling 

About You 

• Proven experience with CI/CD methodologies and tooling
• Proven experience in building and maintaining release pipelines and tooling, adhering to CI/CD best practices.
• Excellent grasp of DevOps principles, including the practical application of DORA metrics.
• Comprehensive understanding of the entire Software Development Life Cycle (SDLC), enabling effective communication, strong customer relations, and high-quality releases for both internal and external products.
• A strong appreciation for automation and a passion for developing internal tools that streamline workflows.
• Strong ownership and customer obsession. Developers are our customers.
• Strong Data driven principles.

What will set you apart 

• Experience in designing and building release processes for enterprise clients
• Experience in designing and building GitHub Actions and Workflows
• Proficiency in full-stack or backend development with a strong preference for TypeScript
• Practical experience using AWS with Terraform for infrastructure management
• A strong Site Reliability Engineering (SRE) mindset, with a focus on system reliability, scalability, and operational excellence.
• Experience on test frameworks and a deep understanding of applying testing best practices.

Our Tech Stack

TypeScript, GitHub Actions, AWS, Terraform, Kubernetes, ArgoCD, Datadog, React, Python

Why might this role not suit you?

We are going through a period of significant evolution which is exciting and with it brings lots of opportunity and challenging work, which is not for everyone. To be successful in this role, you will be excellent at operating in ambiguous, changing environments, balancing multiple priorities simultaneously and get enjoyment from making the complex, simple. 

Our Engineering Interview Process

Initial call with our Talent Acquisition team (30 minutes)

This short call is designed to tell you more about Kaluza and the specific team you’ll be joining, as well as to ensure that the role is the right fit for you

First stage interview (1 hour minutes)

This interview will be with a hiring manager from one of our engineering teams, this interview will cover both mindset and technical questions. We will also incorporate a 15 coding exercise, so have your screen ready to do some coding. 

Final Interview Loop (3 hours)

Three hours sounds like a long time, but we don’t expect all of these to be completed across one day, but we can support that if you so wish, the three sessions cover the following:

• Behavioural - We use behavioural interviews to understand how you collaborate, solve problems, and build value for customers through real-world examples.
• System Design - Our system design interview explores how you approach complex, high-scale problems — from handling real-time data to building reliable, secure, and scalable systems.
• Pairing - Our pairing interview focuses on problem-solving, clean code, and real-time collaboration — you'll work through a practical task with one of our engineers.

Kaluza Values

Here at Kaluza we have five core values that guide us as a business: 

We’re on a mission, We build together, We’re inclusive, We get it done, We communicate with purpose.

Read more about our values over on our careers site.