Technical Lead - Flex

London, England, United Kingdom
11 days ago
Full time role


Kaluza is the intelligent energy platform enabling the world’s largest energy companies to lead the way in the energy transition. ...

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Job Description

Job title: Software Engineer TL1 - Flex

Location: London, Bristol, Edinburgh, Lisbon (Including hybrid)

Part time available?: No

Salary: £78,000 - £108,000

Kaluza wants to power a world where net-zero is within everyone’s reach, by building the platform that will accelerate a sustainable, affordable and resilient energy transition. It’s a huge challenge, but often the toughest problems are the most rewarding to solve.

Since launching in 2019, Kaluza’s technology has been empowering some of the biggest energy suppliers to better serve millions of customers.

From revolutionising billing to smart electric vehicle charging, our real-time cloud platforms transform supplier operations, reducing cost to serve and boosting engagement. And most importantly, they enable suppliers' customers to drive decarbonisation with smart, low carbon technologies.

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.

What will I be doing?

You will be fully embedded on a team working on the Charge Anytime app (and the backend systems that power it) that helps EV drivers shift their charging schedules to times when there is more renewable energy available on the electric grid.  

Key responsibilities include:

  • Providing technical guidance and mentorship to a team of backend and frontend engineers to ensure they can ship features quickly while scaling in a sustainable way
  • Writing code across the stack to help the team meet their delivery goals
  • Reviewing code from your colleagues
  • Creating and delivering against the technical strategy for your team in partnership with an engineering manager
  • Promoting engineering and delivery best practices within the team
  • Championing progressive architecture and reviewing design solutions with other engineering leaders
  • Working within a team of other senior leaders responsible for designing and evolving the architecture for the Flex platform

Is this the job for me?

Ideally you’ll have:

  • Good communication skills
  • Experience and expertise building iOS and/or Android apps with Flutter or similar framework 
  • Experience of developing backend applications
  • Be equally passionate about hands-on engineering as well as technical strategy   
  • A bias to action and a ‘Can do’ approach to problem solving in the face of uncertainty
  • Experience of mentoring, training and developing other engineers 
  • An ability to deliver against a technical strategy iteratively, working through ambiguity to deliver change over longer periods
  • An ability to collaborate  with people managers, product managers and agile practitioners to contribute to a high-performing culture
  • Experience with event-driven architectures is a plus
  • Experience of programming in Dart/Flutter and Go is a plus

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.

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 as 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
  • Kaluza Share 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

We’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.

We understand some people may not apply for jobs unless they tick every box. But if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.

Find out more about working in Kaluza on our careers page and LinkedIn


Kaluza is the intelligent energy platform enabling the world’s largest energy companies to lead the way in the energy transition. ...

View Company Profile

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