Senior Software Engineering Manager (Global Billing, Payments & API)

About the Position

Senior Software Engineering Manager (Global Billing, Payments & API)

Kaluza is seeking a Senior Software Engineering Manager for Global Billing, Payments & API to lead engineering teams in a high-integrity data domain. This role is based in London, Bristol, or Edinburgh with a hybrid office requirement of 3+ days per week.

Responsibilities

• Lead engineering across two GBPA domains through complex, ambiguous, cross-squad initiatives.
• Own technical and product strategy across both domains simultaneously.
• Diagnose systemic and organizational issues using deep domain knowledge.
• Manage cross-functional stakeholders across Product, Delivery, and adjacent engineering teams.
• Carry full people-leader ownership for both teams: goal-setting, performance and pay conversations, hiring and recruitment.
• Operate in a high-integrity data domain (billing and payments) where reliability and reconciliation come before speed.

Requirements

• Proven track record leading engineering team(s) through complex, ambiguous, cross-squad initiatives.
• Experience owning technical and product strategy across multiple domains or services simultaneously.
• Track record of diagnosing systemic or organizational issues and resolving them with deep domain knowledge.
• Strong cross-functional stakeholder manager.
• Full people-leader experience: goal-setting, performance and pay conversations, hiring and recruitment.
• Comfortable operating in a high-integrity data domain (billing or payments).
• Demonstrable record of applying AI/LLMs to deliver customer impact.
• Customer obsession and a working-backwards practice.
• Experience navigating complex stakeholder and leadership dynamics.

Nice to Have

• Direct experience in billing, payments, or API platform domains.
• Experience operating a "global core, configurable edge" or multi-market platform model.
• Experience mentoring senior engineers toward people-leadership roles.

We Offer

• Competitive salary: £100,000 - £125,000
• Flexible working with an expectation of 3 days a week in the office.
• 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 Policy - Including 26 weeks full pay for new additions to your family
• Personal Learning Budget - Upskill, learn and grow!
• Home Office Budget

About the Company

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, North America, 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.

Kaluza Values

• Play to win
• Solve the real problem
• Build trust every day
• Own the outcome
• Go further together

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 recognize talent on the basis of merit and potential. 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.

Find out more about working in Kaluza on our careers page and LinkedIn.