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Kaluza

Kaluza

www.kaluza.com

2 Jobs

598 Employees

About the Company

Kaluza is an energy software company powering the future of energy. From revolutionising billing to smart electric vehicle charging, Kaluza's technology is empowering some of the biggest energy suppliers to better serve millions of customers. Its real-time cloud platform transforms supplier operations, reducing cost to serve and boosting customer engagement. Powered by Kaluza, suppliers can invest in innovating for tomorrow's customers and drive decarbonisation with smart, low carbon technologies that not only reduce energy bills, but lay the foundations for a more flexible energy system.

Kaluza is a B Corp-certified business with global hubs across seven locations.

Listed Jobs

Company background Company brand
Company Name
Kaluza
Job Title
Senior Engineer I
Job Description
**Job Title:** Senior Engineer I **Role Summary:** Lead the design, development, and maintenance of scalable backend services for Kaluza’s Energy Retail SaaS platform. Drive high‑quality code, mentor peers, and own services end‑to‑end, from architecture to production monitoring. **Expectations:** - Deliver reliable, high‑performing backend solutions in a fast‑moving, ambiguous environment. - Collaborate closely with product managers, designers, and cross‑functional teams. - Champion best practices, code quality, and continuous improvement. **Key Responsibilities:** - Design, build, and maintain scalable backend services using TypeScript. - Develop event‑driven systems and message‑queue integrations (e.g., Kafka) for real‑time features. - Own services throughout lifecycle: architecture, coding, testing, deployment, monitoring, and optimization. - Optimize system performance and data models (SQL or NoSQL) and implement efficient database designs. - Leverage AWS cloud services, including serverless architectures, to build resilient solutions. - Mentor junior engineers, review code, and foster an engineering culture of knowledge sharing. **Required Skills:** - Strong backend development experience with TypeScript (or rapid learning ability). - Proficiency in event‑driven architecture, message queues, and real‑time processing. - Hands‑on experience with AWS (EC2, Lambda, RDS, DynamoDB, S3, CloudWatch, etc.). - Database design, optimization, and maintenance (SQL or NoSQL). - Familiarity with Docker, Kubernetes, Terraform, GitHub Actions, and CI/CD pipelines. - Excellent communication, collaboration, and mentoring capabilities. - Self‑starter with a proactive mindset; thrives in ambiguous settings. - Bonus: Experience with React or front‑end development. **Required Education & Certifications:** - Bachelor’s degree (or equivalent) in Computer Science, Engineering, or related field. - No mandatory certifications, but relevant AWS certifications (e.g., AWS Certified Developer or Solutions Architect) preferred.
Bristol, United kingdom
Hybrid
Senior
30-11-2025
Company background Company brand
Company Name
Kaluza
Job Title
QA Engineer
Job Description
**Job title** QA Engineer **Role Summary** Support Agile cross‑functional Energy Retail platform by designing, implementing, and maintaining automated API and backend test suites, ensuring high quality releases. Champion QA best practices across the SDLC, collaborate with developers, product, and support teams, and drive continuous improvement of testing processes. **Expactations** * End‑to‑end test automation with minimal UI/manual work. * API–centric testing of backend services. * Integration with CI/CD pipelines to keep regression suites current. * Review of automated unit/integration tests and collaboration on test coverage decisions. * Continuous process improvement and adherence to Agile QA methodologies. **Key Responsibilities** - Develop and maintain automated test suites (API, unit, integration) in TypeScript or JavaScript. - Create, execute, and maintain regression test pipelines. - Perform exploratory and other manual testing as required. - Collaborate with developers to review coverage and improve test quality. - Engage with product management and client support to ensure test coverage meets stakeholder needs. - Promote and enforce QA best practices across the team. - Contribute to the evolution of test frameworks and continuous improvement initiatives. **Required Skills** - API test automation (e.g., Postman, REST-assured, or similar). - Scripting in TypeScript / JavaScript. - Experience with CI/CD pipelines and test framework maintenance. - Agile / Scrum QA experience. - Exploratory and manual testing skills. - Strong written and verbal communication in English. - Ability to work collaboratively within diverse cross‑functional teams. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Engineering, or related field *or* equivalent practical experience. - Relevant QA or test automation certifications are a plus (e.g., ISTQB, AWS Certified Developer, or equivalent).
Bristol, United kingdom
Hybrid
10-12-2025