Kaluza
Open positions
UX Researcher
UX Researcher on Kaluza's Global UX team: runs mixed-methods research (qualitative plus Mixpanel behavioural data) in a B2B2C energy-platform setting, coaches non-researchers to run studies, and leads research ops including tooling. Hybrid, 3 days a week in Bristol or London; salary £58,000–£70,000.
Pre-Sales Engineer - Energy Retail
Location: London or Bristol, UK (hybrid, three days a week in the office) Level: Senior Engineer C3 Team: Growth Salary: £60,000 - £70,000 + discretionary bonus Contract: Permanent Reporting To: Head of Sales…
Staff Release Engineer
Location: Bristol or London, UK (hybrid, three days a week in the office) Level: Staff Engineer TL2 Team: Release Engineering Salary: £97,600 - £125,000 + discretionary bonus Contract: Permanent Reporting To: Software…
Software Engineer
Location: Bristol, London, Edinburgh, UK (hybrid, three days a week in the office) Level: Engineer C2 Team: Engineering Salary: £45,000 – £62,000 + discretionary bonus Contract: Permanent Reporting To: Software…
Senior Software Engineering Manager (Global Billing, Payments & API )
Senior engineering manager leading two domains of Kaluza's shared global billing, payments and API core platform used by major energy retailers. Owns technical/product strategy, cross-functional stakeholder alignment, and full people-leadership (hiring, performance, pay) for two teams, applying AI/LLMs to customer-facing impact.
Principal Software Engineer
Location: London, Bristol or Edinburgh (hybrid, three days a week in the office) Level: Principal Engineer TL2 / TL3 Team: Enterprise Architecture Salary: £120,000 – £160,000 + discretionary bonus Contract: Permanent…
Product Manager - Energy Billing (Fluent French & English)
Kaluza is hiring a Product Manager to lead the French localisation of its energy billing platform, translating French energy market regulations into detailed product requirements from meter read to bill. The hands-on role involves working with clients, engineers, UX and QA teams, and requires fluent French and English, based in London 3 days a week.
Client Support Engineer
Job Title: Client Support Engineer Location (including hybrid): Melbourne, Australia Salary: $100,000 - $120,000 + Superannuation Team: Platform Operations Reporting To: Software Engineering Manager - Platform…
Software Engineer
Develop backend services for an energy intelligence platform using TypeScript, Node.js, and AWS. You will build event-driven systems, manage data with SQL/NoSQL databases, and collaborate with product teams to accelerate the transition to clean energy.
Senior Software Engineer
Senior Software Engineer building scalable backend services in TypeScript on AWS for Kaluza's energy intelligence platform, working with event-driven systems (Kafka), Kubernetes, Terraform, and GraphQL. Hybrid role based in Bristol, London, or Edinburgh with 3 days a week in the office.
Migrations Architect
Architects and leads data migrations for Kaluza's energy platform client deployments — from source-system analysis and ETL design through testing, reconciliation, and cutover — acting as technical authority across client, engineering, and programme teams. Hybrid role (3 days/week in office) in Bristol, London, or Paris; £80-90k with no visa sponsorship.
Technical Project Manager
Location : Paris - Hybrid Level: C3 Team : Client Delivery Salary : Paris €63,900 - €78,100 Reporting to : Principal Programme Manager This role is based in Paris and requires existing right to work in the EU. At this…
Technical Analyst
Kaluza is hiring a Technical Analyst in Paris (hybrid, 3 days/week in office) to guide enterprise energy clients through the full SaaS implementation lifecycle: requirements gathering, platform configuration, data integration/ETL and migration, testing, and client training. Key skills: APIs, data pipelines, business analysis, and fluent French.
Business Operations Engineer
Location: Bristol or London, UK (hybrid, three days a week in the office) Level: Engineer C2 Team: Product & Tech Business Operations Salary: £45,600 - £57,000 + discretionary bonus Contract: Permanent Reporting To:…
Lead Engineer - Front End & Design System
Tech Specialist (Front-end & Design System) TL1 Location: London, UK - Hybrid Team: Global Engineering - Commerce & Customer Care Visa: This role is based in the UK and requires existing right to work in the UK. Kaluza…
QA Software Engineer (C2)
Location: Bristol or London Level: C2 Team: Quality Enablement Contract: Permanent Please note: This role requires an existing right to work in the UK. We can’t offer visa sponsorship, but we rev Kaluza Overview Kaluza…
Product Manager / Chef de produit F/H - Facturation Énergie (Bilingue Français & Anglais)
Job title: Product Manager / Chef de produit F/H (Billing) Location: Paris — Hybrid (3 days in office) Salary: €57,600 - €72,000 Team: Product Management - Billing & Payments Reporting to: Head of Product Ce poste est…
Product Manager - Device Data Management (Fluent French & English)
Job title: Product Manager - Device Data Management (Fluent French & English) Location: Paris — Hybrid (3 days in office) Salary: €57,600 - €72,000 Team: Product Management - Data Device Management Reporting to: Group…