Platform Engineer - Flex

Job title: Platform Software Engineer

Location: London, Edinburgh or Bristol (including hybrid)

Salary:  £53,500 - £68,000

Closing Date for Applications: Friday 23rd May 2025

Kaluza reimagines energy to bring net-zero within everyone’s reach. The Kaluza 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. 

We have a strong flexible, hybrid working ethos, we aim to be as flexible as possible to balance work with life. Teams can choose how and where to work, whether it’s from one of our lovely offices or from home or a mixture of both. Each team is different but we do like to get together monthly/quarterly as teams - if they are not at your local office we will cover the costs of travel and accommodation if necessary. As a company we come together annually for our conference and end of year celebrations! 

Where in the world of Kaluza will I be working? 

You’ll be working on Kaluza’s Flexibility platform. Designed to be the nervous system connecting energy retailers, grid operators, and consumers, Flex will aid us in creating the distributed, consumer-centric, dynamic energy system of the future. Bridging the gap between distributed renewable generation and smart devices, it helps consumers shift their energy consumption to times when there's more renewable energy.

This not only saves them money, but enables society as a whole to meet the challenge of decarbonising transport and residential heating/cooling. We’re also supporting this vital shift by building the innovative technology behind unique, market-leading customer propositions like Vehicle to Grid and Charge Anytime Energy Plan with our energy retailer partners.

You'll be joining the Kaluza Technology community. We’re a large team of both data-led and product focused Software and Production Engineers, pushing the boundaries of technology and working at an extraordinary scale. As a collective we strive for engineering greatness and by ensuring best practices across the board of the community.

What will I be doing?

You will be joining Flex’s platform team, responsible for the core components and tools the rest of our team leverages, in a nutshell, you will be:

• Ensuring our platform is reliable and secure and ready to scale for the future
• Advocate for site reliability practices in our product teams
• Developing best practices, tools, and libraries to reduce toils and increase alignment in product teams
• Enable product teams to meet their product targets

Is this the job for me?

Ideally you’ll have/be

• A background in software engineering; we don’t mind what language but we use a lot of Go. 
• Experience or strong interest in Site Reliability Engineering
• Experience with cloud computing (AWS/GCP) 
• Cloud networking & Security knowledge
• Interest in distributed systems and event-driven architecture
• An inquisitive and curious approach, with confidence to tackle challenging problems
• Rapid adoptee of merit-proven new processes & technologies
• Problem solver / structured thinker
• Always happy to help and a natural sharer of knowledge

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, and We communicate with purpose.

Our values are not words on a wall — they are at the heart of our culture. They are how we make decisions and how we treat each other. They are concrete and clear and reflect what we, as people and a business, really care about.

Kaluza’s vision is to power a world where net-zero is within everyone’s reach. Would you be interested in joining us to help achieve this?

From us you’ll get

• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• Access to Furthr - a Climate Action app
• Free Mortgage Advice and Eye Tests
• Perks at Work - access to thousands of retail discounts
• 5% Flex Fund to spend on the benefits you want most
• 26 days holiday
• Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like
• Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family 
• Dedicated personal learning and home office budgets
• Flexible working — we trust you to work in a way that suits your lifestyle
• And more…

Even better? You’ll have access to these benefits from day 1 when you join.

We want the best people.

At Kaluza, we empower our people to have choices around where and when they work - flexible working arrangements can be discussed for all of our roles. Please speak to the Talent Acquisition team for more info. We’re keen to meet people with varied backgrounds - our view is the more inclusive we are, the better our work will be.

We want to build teams representing various experiences, perspectives and skills, and we recognise talent based on merit and potential. We understand some people may not apply for jobs unless they tick every box.

If you’re excited about joining us and think you have much of what we’re looking for, even if you’re not 100% sure… we’d love to hear from you. Learn more about working in Kaluza on our careers page and LinkedIn.