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- Tasks: Build and maintain backend services for a scalable energy retail platform.
- Company: Join Kaluza, a forward-thinking tech company focused on decarbonisation.
- Benefits: Enjoy competitive salary, flexible working, and a range of perks including private medical insurance.
- Other info: Collaborative culture with excellent career growth and learning opportunities.
- Why this job: Make a real impact in the energy sector while working with cutting-edge technologies.
- Qualifications: Strong backend development experience, ideally with TypeScript, and cloud infrastructure knowledge.
The predicted salary is between 60000 - 80000 £ per year.
Location: London / Bristol / Edinburgh - Hybrid
Salary: £60,000 - £80,000
Reporting to: Software Engineering Manager
At this time, we are not able to offer visa sponsorship for this role. 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.
What will I be doing?
You’ll join the Kaluza Technology community, working on the Energy Retail platform, a scalable SaaS product supporting energy retailers and decarbonisation efforts. In this role, you’ll build and maintain backend services using TypeScript, contributing to event‑driven systems that power reliable, real‑time features. You’ll collaborate with product managers, designers, and engineers to deliver customer‑focused solutions, while taking ownership of services from design through to production. Along the way, you’ll work with cloud technologies like AWS, optimise performance and data models, and contribute to a collaborative engineering culture.
About You
- Strong experience developing backend applications, ideally with TypeScript or the ability to pick it up quickly
- A solid understanding of event‑driven systems and working with queues
- Confidence working with cloud infrastructure (AWS preferred), particularly serverless technologies
- Experience with database design, optimisation, and maintenance (SQL or NoSQL)
- A passion for building high‑quality software and solving real customer problems
- Strong communication and collaboration skills, with an interest in mentoring and knowledge sharing
- A proactive mindset and the ability to operate effectively in ambiguous or evolving environments
What will set you apart
- Some exposure to frontend development, such as React
Benefits
- 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…
Senior Software Engineer I employer: Kaluza
Contact Detail:
Kaluza Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Software Engineer I
✨Tip Number 1
Network like a pro! Reach out to current employees on LinkedIn or attend industry meetups. A friendly chat can give you insider info and maybe even a referral!
✨Tip Number 2
Show off your skills! If you’ve got a GitHub or portfolio, make sure it’s up to date. Share projects that highlight your TypeScript and cloud tech expertise to catch their eye.
✨Tip Number 3
Prepare for the interview by brushing up on event-driven systems and AWS. We love candidates who can discuss real-world applications of their skills, so be ready to share examples!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we’re always looking for passionate folks to join our diverse team!
We think you need these skills to ace Senior Software Engineer I
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that match the Senior Software Engineer I role. Highlight your backend development experience, especially with TypeScript, and any work with cloud technologies like AWS.
Craft a Compelling Cover Letter: Use your cover letter to tell us why you're passionate about building high-quality software. Share specific examples of how you've solved real customer problems in the past, and don’t forget to mention your collaborative spirit!
Showcase Your Projects: If you’ve worked on relevant projects, whether personal or professional, make sure to include them. We love seeing practical applications of your skills, especially in event-driven systems or database optimisation.
Apply Through Our Website: We encourage you to apply directly through our careers site. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it keeps everything nice and organised on our end!
How to prepare for a job interview at Kaluza
✨Know Your Tech Stack
Make sure you’re well-versed in TypeScript and any other relevant technologies mentioned in the job description. Brush up on your knowledge of event-driven systems and cloud infrastructure, especially AWS. Being able to discuss your experience with these tools will show that you’re a strong fit for the role.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've tackled real customer problems in your previous roles. Think about specific projects where you built or optimised backend services. This will demonstrate your passion for high-quality software and your ability to deliver customer-focused solutions.
✨Emphasise Collaboration
Since this role involves working closely with product managers, designers, and other engineers, be ready to discuss your collaboration experiences. Share instances where you’ve mentored others or contributed to a team culture, as this aligns with the company’s values.
✨Ask Insightful Questions
Prepare thoughtful questions about the company’s engineering culture, the Energy Retail platform, or their approach to decarbonisation efforts. This shows your genuine interest in the role and helps you assess if the company is the right fit for you.