Chief Technology Officer

Sigma Consulting Group; Greater London; Hybrid; GBP 76,000 - 90,000; Full time

Job summary

A pioneering healthcare technology firm is seeking a Founding CTO to architect and scale the ZenroxIQ platform. This hybrid role in London allows you to define technology strategies and lead an engineering team. Ideal candidates will have at least 8 years of software engineering experience, including a strong background in B2B platforms and AI technologies. The position offers competitive salary plus equity, providing an opportunity to make a significant impact on healthcare efficiency across the UK.

Benefits

Meaningful equity

Growth potential

Autonomy in technology direction

Qualifications

• 8 years of software engineering experience with 3 years in a senior technical leadership role.
• Proven success in building marketplace or B2B platforms at scale.
• Strong experience with API integration and microservices.

Responsibilities

• Architect and develop the core ZenroxIQ platform.
• Lead technical strategy for AI features and supplier matching.
• Establish best practices and development processes.

Skills

API integration

Microservices

AI/ML technologies

Cloud-based AI integrations

Database design

Job description

Location: London (Hybrid) (UK-based)
Salary: 90000 plus equity
Department: Engineering
Job Type: Full-Time
Category: Hybrid

About Zenrox

Zenrox Healthcare UK is redefining medical equipment procurement with AI-driven intelligence. Our flagship platform ZenroxIQ helps NHS trusts, private hospitals and healthcare facilities reduce costs by 1520% through advanced visual equipment search, intelligent price optimisation, predictive procurement, automated MHRA compliance and real-time insights.

Role Overview

We are seeking a visionary Founding CTO to architect, build and scale the ZenroxIQ platform from the ground up. This role offers the freedom to define the technology roadmap, shape engineering culture and drive innovation across a high-impact B2B healthcare marketplace serving the UK medical sector.

Key Responsibilities

• Architect and develop the core ZenroxIQ platform ensuring scalability, security and reliability.
• Lead technical strategy for AI-enabled features including visual search, price optimisation and predictive procurement.
• Build and maintain systems for real-time supplier matching, automated quote aggregation and procurement workflows.
• Establish engineering best practices, development processes and long‑term technical standards.
• Make strategic build‑versus‑buy decisions for AI integrations (OpenAI, Google Vision API and related services).
• Oversee data security, GDPR compliance and alignment with ISO 27001 and MHRA standards.
• Recruit, mentor, and lead a high‑performing engineering team as the organisation grows.
• Partner closely with Product Operations and Leadership to deliver high‑quality production‑ready solutions on schedule.

Requirements

• 8 years of software engineering experience including 3 years in a senior technical leadership role.
• Proven success building marketplace, e‑commerce or B2B platforms at scale.
• Strong experience with API integration, microservices and third‑party service orchestration.
• Hands‑on exposure to AI/ML technologies and cloud‑based AI integrations.
• Deep understanding of scalable architecture, distributed systems and modern database design.
• Demonstrated ability to deliver robust production‑level technology on aggressive timelines.

Ideal Experience

• Background in healthcare, medical devices or other regulated industries.
• Experience as a CTO, Head of Engineering or founding technical leader in a startup environment.
• Familiarity with WordPress, WooCommerce or other e‑commerce frameworks.
• Understanding of procurement workflows, supplier networks and B2B transaction systems.
• Knowledge of UK healthcare sector dynamics including NHS procurement and MHRA guidelines.

Why Join Zenrox

Early leadership role with meaningful equity and long‑term growth potential.
Opportunity to build a high‑impact product improving healthcare efficiency across the UK.
Full autonomy to define technology direction and engineering structure.
Work with cutting‑edge AI delivering measurable ROI (1520% cost savings).
Join a mission‑driven company with strong market demand and early traction.

How to Apply

Submit your CV and a brief summary of your relevant technical leadership experience through:
Use the subject line: CTO Application Your Name

Key Skills

Active Directory, Customer Service, Information Technology, Database, Information Security, Infrastructure, Project Management, SharePoint, Troubleshoot, Desktop, Computer System, Ensure Compliance, Procedures, Hardware, Technical Support.