QA Engineer C2

Kaluza; Greater London; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

26 days’ holiday

Private medical insurance

Pension scheme

Discretionary bonus

Flex Fund 5% of salary

Home office budget

Climate action app Furthr

Job summary

Kaluza is seeking a QA Engineer at level C2 for its Energy Retail platform. You will champion quality across an Agile, cross-functional team and lead automated testing for APIs and backend services, with UI and manual testing as needed.

You’ll collaborate with development, product management, and client support to ensure comprehensive test coverage and continuous quality improvement.

Qualifications

• Experience automating test suites for APIs in TypeScript or Javascript and Playwright.
• Experience with API testing.
• Experience of software quality assurance life cycle within Agile methodologies.
• Able to maintain and enhance test automation frameworks and pipelines.
• Experience with exploratory and other manual testing types.
• Working with developers to review automated unit/integration tests.
• Focused on continuous improvement of quality processes.
• Experience collaborating with cross-functional teams to ensure test coverage.

Responsibilities

• Automate tests for APIs and backend services and support UI testing.
• Champion quality and testing best practices across the SDLC.
• Ensure end-to-end regression tests are automated and up to date across teams.

Skills

APIs test automation

TypeScript/JavaScript

Playwright

API testing

QA life cycle

Automation frameworks

Exploratory testing

Cross-functional collaboration

Tools

CI/CD pipelines

Job description

QA Engineer C2

Location: London, Bristol, Edinburgh

Level: C2

Team: Quality

Contract: Permanent

Reporting To: Senior QA Manager

Please note: This role requires an existing right to work in the UK. We can’t offer visa sponsorship, but we review sponsorship role by role, so keep an eye on our careers site for future opportunities.

About Kaluza

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, 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 you’ll do

You will be a part of an Agile cross-functional team within Kaluza’s Energy Retail platform. You will champion Quality and best testing practices at every stage of the software development lifecycle, from requirement analysis, through developing new features, to proving the solution is ready to be released to our clients..

You will be working with other Quality professionals to ensure that End to End testing is automated and that regression tests spanning multiple teams are up to date. Most of your work will consist of automating tests for our APIs and backend services, with UI and manual testing.

What you will bring

• Experience automating test suites for APIs in TypeScript or Javascript and Playwright.

• Experience with API testing.

• Experience of software quality assurance life cycle within Agile methodologies.

• Able to maintain and enhance test automation frameworks and pipelines.

• Experience with exploratory and other manual testing types.

• Working with developers to review automated unit/integration tests.

• Focused on continuous improvement of quality processes.

• Experience collaborating with cross-functional teams, including development, product management, and client support, to ensure test coverage is met for all types of testing.

What will set you apart

• You are a strong communicator in verbal and written English.

• You are comfortable working in a diverse team and relish any collaboration opportunities.

Our Values

Five values guide how we work at Kaluza:

• Play to win: Collective pride in decarbonising energy at scale.

• Solve the real problem: Cutting through complexity to focus on real‑world outcomes.

• Build trust every day: Consistency, transparency and doing what we say.

• Own the outcome: Full accountability, wins and setbacks, without ego.

• Go further together: Collaboration, respect and different perspectives.

Our Perks

• Time off and family: 26 days’ holiday, plus 26 weeks’ full pay for new parents with no qualifying service period

• Health and security: Private medical insurance with virtual GP, life assurance, pension scheme, free mortgage advice and eye tests

• Pay and flexibility: Discretionary bonus, a Flex Fund of 5% [of salary] to spend on the benefits you want most, retail discounts through Perks at Work

• Growth and setup: Personal learning budget, home office budget

• Climate: Furthr, our climate action app

Come as you are

We want to meet people from all walks of life. The more inclusive we are, the better our work will be, and we recognise talent on merit and potential. If you’re excited about the role but don’t tick every box, we’d still love to hear from you.

Find out more on our careers page and LinkedIn. Our Applicant Data Protection Policy is here.