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- Tasks: Develop and enhance Kaluza's GraphQL API and event gateway solutions.
- Company: Join Kaluza, a leader in energy intelligence and innovation.
- Benefits: Enjoy competitive salary, flexible working, and great perks from day one.
- Why this job: Make a real impact on the future of clean energy technology.
- Qualifications: Strong backend development skills, especially in TypeScript; familiarity with Scala is a plus.
- Other info: Be part of a diverse team with excellent career growth opportunities.
The predicted salary is between 39600 - 50400 ÂŁ per year.
Location: London / Bristol / Edinburgh - Hybrid
Salary: ÂŁ45,600 - ÂŁ60,000
Team: API Platform
Reporting to: Software Engineering Manager
Visa: At this time, we are not able to offer visa sponsorship for this role.
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.
Where in the world of Kaluza will I be working? You’ll be joining the Kaluza Technology community. We’re a diverse group of both data‑led and product‑focused engineers, pushing the boundaries of technology and working at an extraordinary scale. We strive for engineering quality & innovation, continuously improving our best practices across our highly collaborative community.
The API Platform team is a newly combined team of software engineers within the Client Integrations squad responsible for building & supporting the retail platform‑critical components of Kaluza’s GraphQL API (KaPI) & event gateway (KEG) solutions. Our vision is that Kaluza is the easiest, most intuitive retail platform with which to integrate – our API Platform sits alongside our other large‑scale analytical offering (KDM) to provide a coherent, low‑latency way for retail clients to maintain and find their data.
Core technology‑wise, we use Scala, GraphQL and DynamoDB, alongside Kafka & Avro. We deploy to our internal Kubernetes platform with Terraform & Aiven as our IaC and GitHub for code repositories and workflows.
What will I be doing?
- Driving Delivery: Independently execute a mix of discovery spikes and technical debt resolution to enhance our GraphQL API (KaPI) and event gateway (KEG).
- Evolving API Offerings: Take the lead on evolving our API products to meet the rapidly growing needs of our global client base.
- Improving Developer Experience: Focus on improving the tooling and usability for various internal teams who expose their domains via our API products.
- Ensuring Platform Reliability: Provide essential in‑hours support as part of a team rota to maintain high‑availability retail platform components.
- System Evolution: Pair or "swarm" with teammates to improve shared services and products, ensuring architectural consistency across the platform.
- Community Contribution: Represent the API Platform team in broader engineering forums, including platform health reviews and post‑mortems.
About You
Ideally you’ll have/be:
- Well‑Rounded Engineer: Strong backend development experience, primarily with TypeScript, and a solid grasp of tool proficiency in a production environment.
- Operational Ownership: Proven ability to work independently and take the lead on tasks within a small, high‑impact team.
- Problem Solver: Experience working with CI/CD pipelines and Infrastructure as Code (IaC) to support modern software delivery.
- Collaborative Spirit: Excellent communication skills with an interest in working within a highly integrated, cross‑functional squad.
What will set you apart
- Functional Programming & Scala: Familiarity with functional programming concepts and a strong interest or experience in Scala (our core service language).
- GraphQL Expertise: Experience maintaining services that expose GraphQL interfaces.
- Cloud & Data Expertise: Familiarity with AWS components, Kubernetes, DynamoDB, or event‑driven architectures using Kafka and Avro.
- SRE Awareness: Knowledge of Site Reliability Engineering concepts, including disaster recovery and proactive monitoring.
Kaluza Values: Play to win, Solve the real problem, Build trust every day, Own the outcome, Go further together.
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
- 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.
Software Engineer II (API Platform) in Bristol employer: Kaluza
Contact Detail:
Kaluza Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Software Engineer II (API Platform) in Bristol
✨Tip Number 1
Network like a pro! Reach out to current employees on LinkedIn or at meetups. Ask them about their experiences and the company culture. This can give you insider info and might even lead to a referral!
✨Tip Number 2
Prepare for those technical interviews! Brush up on your coding skills, especially in Scala and GraphQL. Practice common algorithms and system design questions to show off your problem-solving abilities.
✨Tip Number 3
Show your passion for clean energy! Research Kaluza’s mission and values, and be ready to discuss how your skills align with their goals. This will help you stand out as someone who truly cares about the work they do.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining the team at Kaluza.
We think you need these skills to ace Software Engineer II (API Platform) in Bristol
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Software Engineer II role. Highlight your backend development experience, especially with TypeScript, and any familiarity with Scala or GraphQL.
Craft a Compelling Cover Letter: Use your cover letter to tell us why you're excited about the role and how you can contribute to our API Platform team. Share specific examples of past projects that demonstrate your problem-solving skills and collaborative spirit.
Showcase Your Technical Skills: Don’t forget to mention your experience with CI/CD pipelines, Infrastructure as Code, and any cloud technologies like AWS. We love seeing candidates who are passionate about improving developer experience and platform reliability.
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 this exciting opportunity at Kaluza!
How to prepare for a job interview at Kaluza
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially Scala, GraphQL, and DynamoDB. Brush up on your knowledge of CI/CD pipelines and Infrastructure as Code (IaC) as these are crucial for the role.
✨Showcase Problem-Solving Skills
Prepare to discuss specific examples where you've tackled complex problems or improved processes. Highlight your experience with event-driven architectures and how you’ve contributed to platform reliability in previous roles.
✨Demonstrate Collaboration
Since this role involves working within a cross-functional squad, be ready to share experiences that showcase your communication skills and teamwork. Discuss how you’ve collaborated with others to achieve common goals, especially in a tech environment.
✨Understand Kaluza's Values
Familiarise yourself with Kaluza’s core values like 'Play to win' and 'Go further together'. Be prepared to explain how your personal values align with theirs and how you can contribute to their mission of making clean energy dependable and affordable.