About ENSEK
ENSEK builds the cloud‑native SaaS software that’s transforming how energy retailers operate, innovate and manage at scale.
We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI‑driven insight, all underpinned by modern, cloud‑native architecture.
ENSEK is at an exciting inflection point as we scale at pace towards new international horizons. If you’re driven by solving complex, real‑world problems and want to build modern technology that accelerates the global energy transition, you’ll feel right at home with us.
Position Summary
The Product Manager for API owns the strategy and delivery for one of ENSEK's most critical platform capabilities: the API-as-a-product framework . In this role you are accountable for defining a consistent, scalable approach to how APIs are built, governed, and consumed — internally and externally. You work closely with engineering, commercial, and domain teams to ensure these platform investments unlock measurable value across the business.
Key Accountabilities & Responsibilities
Own the strategy, vision and roadmap for both the API-as-a-product programme — engaging stakeholders across engineering, commercial, and customer teams to define, validate and iterate it continuously.
Define and drive a consistent framework for API definition and management across three tiers: internal domain APIs, cross-NSEC internal APIs, and external APIs for customers, brokers, and third parties.
Skills, Knowledge, Experience & Qualifications
Experience working in energy, utility tech, SaaS, or platform-based product environments is advantageous.
Company Benefits
25 days’ holiday + bank holidays
Option to buy or sell 5 extra annual leave days per year
Vitality Health Insurance, including private healthcare, virtual GP access, mental‑health support and wellbeing perks (50% off gym memberships -Virgin Active, Nuffield, PureGym)
Pension with 5% matched contribution
Regular team‑wide and company‑wide events
2 volunteering days per year to give back
Remote‑first working environment with offices in London and Nottingham
