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

Location: London, Bristol or Edinburgh, UK; hybrid with three days a week in the office.

Salary: £100,000–£125,000 per year plus discretionary bonus.

Company

hirify.global is an energy intelligence platform that coordinates real-time decisions across homes, devices, markets and grids for energy companies and major retailers.

What you will do

• Lead engineering across two Global Billing, Payments & API domains through complex, ambiguous, cross-squad initiatives.
• Own technical and product strategy across both domains and help build a shared global core configured for different markets and clients.
• Diagnose systemic and organisational issues using deep billing and payments domain knowledge.
• Manage stakeholders across Product, Delivery and adjacent engineering teams, aligning roadmaps and trade-offs.
• Lead goal-setting, performance and pay conversations, hiring and recruitment for both teams.
• Operate in a high-integrity data domain where reliability and reconciliation are prioritised alongside delivery speed.

Requirements

• Proven experience leading engineering teams through complex, ambiguous, cross-squad initiatives rather than single-team delivery.
• Experience owning technical and product strategy across multiple domains or services simultaneously.
• Experience diagnosing and resolving systemic or organisational issues using deep domain knowledge.
• Strong cross-functional stakeholder management across Product, Delivery and engineering teams.
• Full people-leader experience, including goal-setting, performance and pay conversations, hiring and recruitment.
• Comfort working in a high-integrity billing or payments data domain where quality and reconciliation matter.
• Demonstrable experience applying AI/LLMs to deliver customer impact.
• Customer obsession and a working-backwards practice focused on solving the simplest customer problem effectively.
• Experience navigating complex stakeholder and leadership dynamics and influencing beyond direct scope.
• Existing right to work in the UK is required; visa sponsorship is not available for this role.

Nice to have

• Direct experience in billing, payments or API platform domains.
• Experience with a global-core, configurable-edge or multi-market platform model without client-specific forks of core logic.
• Experience mentoring senior engineers toward people-leadership roles.

Culture & Benefits

• Values include solving real problems, building trust, owning outcomes and collaborating across perspectives.
• 26 days’ holiday and 26 weeks of full pay for new parents without a qualifying service period.
• Private medical insurance with virtual GP, life assurance, pension scheme, mortgage advice and eye tests.
• Discretionary bonus, a Flex Fund of 5% of salary and retail discounts.
• Personal learning budget, home office budget and climate action benefits.