Kaluza Logo

Kaluza

Senior Software Engineer

Posted Yesterday
Be an Early Applicant
In-Office
Edinburgh, City of Edinburgh, Scotland, GBR
Senior level
In-Office
Edinburgh, City of Edinburgh, Scotland, GBR
Senior level
Design, build, and maintain scalable backend services for Kaluza’s energy retail platform. Responsibilities include developing event-driven systems, optimizing SQL and NoSQL databases, using AWS and serverless architectures, monitoring production services, and collaborating with product and engineering teams. The role also involves mentoring colleagues, promoting engineering best practices, and owning services from architecture through continuous improvement.
The summary above was generated by AI
  • Location: Bristol, London, Edinburgh UK Hybrid.
  • Level: C3
  • Team: Engineering
  • Salary: £60,000 - £80,000

This role can be based in our London, Bristol or Edinburgh offices, and requires an existing right to work in the UK.

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 Overview

Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future.

Our platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.

With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.

What will I be doing?

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.

Our tech stack is fluid, but broadly you can find yourself working with:

Typescript, Node JS, Terraform, Gitactions, Kubernetes, Docker, AWS, Kafka, GraphQL 

Responsibilities

  • Design, build, and maintain scalable backend services using TypeScript and 
  • Work with event-driven systems and message queues to power real-time, reliable features.
  • Collaborate with product managers, designers, and other engineers to build customer-focused solutions.
  • Lead by example, contributing to high-quality code, mentoring others, and fostering best practices.
  • Own services end-to-end, from architecture to production monitoring and continuous improvement.
  • Optimise system performance and data design, working with SQL or NoSQL databases as appropriate.
  • Leverage cloud platforms (especially AWS) and serverless architectures to build reliable, scalable solutions.
  • Contribute to a positive engineering culture by sharing knowledge and supporting your team.

About You 

Ideally, you'll have/be:

  • Solid experience developing backend applications, ideally in TypeScript or a willingness to pick it up quickly.
  • Understanding of event-driven systems and working with queues
  • Extremely comfortable working with cloud infrastructure (AWS preferred), especially serverless technologies.
  • Experience with database design, optimisation, and maintenance (SQL or NoSQL).
  • Passionate about high-quality software and solving real customer problems.
  • Strong communication and collaboration skills, you enjoy mentoring and knowledge sharing.
  • Proactive mindset and ability to thrive in ambiguity.

Where you'll work

We offer flexible working, with an expectation of 3 days a week in the office. This gives us the best of both: real time together to collaborate and build relationships, with the flexibility to work in the way that suits you best the rest of the week.

Kaluza Values

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

Play to win, Solve the real problem, Build trust every day, Own the outcome, Go further together.

Our Perks
  • 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
  • Progressive Leave Policy - With no qualifying service periods, including 26 weeks full pay if you have a new addition to your family
  • Personal Learning Budget - Upskill, learn and grow!
  • Home Office Budget
  • And more!
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. You can also find our Applicant Data Protection Policy here.

Kaluza Edinburgh, Scotland Office

Edinburgh, United Kingdom

Similar Jobs

Yesterday
Hybrid
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Build scalable backend systems and customer-facing financial products for Wise’s shared-finance offerings, including international joint accounts and kid accounts. Collaborate with product, design, data, and research teams to shape ambiguous ideas, influence architecture and product direction, and deliver reliable systems globally. Work includes money movement, spending, authorization, compliance-related systems, shared-account infrastructure, greenfield development, and infrastructure scaling.
Top Skills: Api-First DevelopmentAsynchronous SystemsDistributed SystemsEvent-Driven ArchitectureGoJavaKafkaKotlinMicroservicesPython
Yesterday
Hybrid
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Build governance, assurance, auditability, and data-quality foundations for Wise’s Risk Assessment platform. Develop high-throughput Java systems, data contracts, lineage tracking, continuous control monitoring, drift detection, audit trails, and explainability tooling. Integrate governance capabilities with the Risk API and collaborate with Product and Financial Crime teams to ensure risk decisions are trusted, consistent, explainable, auditable, and scalable.
Top Skills: JavaKafkaNoSQLSQL
Yesterday
Hybrid
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Lead backend engineering for Wise’s Business Pricing team, building scalable pricing-plan products for business customers. Responsibilities include developing features end to end, collaborating with product, data, design, and engineering teams, applying testing and coding best practices, monitoring product adoption, improving customer experiences, and owning technical projects from planning through release.
Top Skills: Concurrent SystemsDistributed SystemsIntegration TestingJavaJvmKafkaKotlinRelational DatabasesSpringUnit Testing

What you need to know about the Edinburgh Tech Scene

From traditional pubs and centuries-old universities to sleek shopping malls and glass-paneled office buildings, Edinburgh's architecture reflects its unique blend of history and modernity. But the fusion of past and future isn't just visible in its buildings; it's also shaping the city's economy. Named the United Kingdom's leading technology ecosystem outside of London, Edinburgh plays host to major global companies like Apple and Adobe, as well as a growing number of innovative startups in fields like cybersecurity, finance and healthcare.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account