Staff Engineer, Global Billing & API Platform

Kaluza; City of Edinburgh; Hybrid; GBP 97,000 - 122,000; Full time

Benefits offered by this job

Pension Scheme

Discretionary Bonus Scheme

Private Medical Insurance + Virtual GP

Life Assurance

Perks at Work

26 days holiday

Progressive Leave Policy

Personal Learning Budget

Home Office Budget

Job summary

Kaluza, the Energy Intelligence Platform, seeks a Staff Engineer to own API Platform and Standards for Global Billing, Payments & API. This hybrid role allows work from London, Bristol, or Edinburgh, with 3+ days in the office and a strong focus on scalable API design to enable rapid growth in new markets.

You will lead design, standards, and cross-team collaboration to ensure reliable, secure billing and payments capabilities at scale across our global platform.

Responsibilities

• Own system design and architecture for the API Platform and Standards squad.
• Create and challenge product and engineering proposals with data-backed trade-offs.
• Diagnose and resolve complex technical and product issues across domains.
• Establish architectural patterns and standards for other teams.
• Turn ambiguous requirements into concrete plans for execution.
• Influence leadership and adjacent squads on technical direction.
• Mentor engineers and foster a learning culture beyond the team.

Job description

Kaluza, the Energy Intelligence Platform, seeks a Staff Engineer to own API Platform and Standards for Global Billing, Payments & API. This hybrid role allows work from London, Bristol, or Edinburgh, with 3+ days in the office and a strong focus on scalable API design to enable rapid growth in new markets.

You will lead design, standards, and cross-team collaboration to ensure reliable, secure billing and payments capabilities at scale across our global platform.