FULL-STACK DEVELOPER

Sigma Consulting Group
Charing Cross, United Kingdom
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate
Compensation
£ 50K

Job location

Charing Cross, United Kingdom

Tech stack

JavaScript
PHP
API
Artificial Intelligence
Amazon Web Services (AWS)
Data analysis
Database Design
DevOps
Payment Systems
PostgreSQL
MySQL
Payment Gateway
Secure Coding
Systems Integration
WooCommerce
WordPress
React
Delivery Pipeline
Backend
Stripe
Front End Software Development
REST
Docker

Job description

Join us as a Founding Engineer contributing directly to the architecture, design, and development of our marketplace platform. Youll work across the full stack, delivering user-facing features and backend systems that streamline procurement for healthcare organisations.

  • Develop and enhance a WordPress/WooCommerce-based marketplace platform.
  • Build custom features including quote requests, supplier matching, and order workflow management.
  • Integrate AI capabilities (visual search, pricing optimisation) into user experiences.
  • Develop admin dashboards for analytics, compliance monitoring, and supplier management.
  • Implement secure payment systems and escrow functionalities.
  • Develop and maintain API integrations with third-party services (payments, compliance verification).
  • Optimise platform performance, scalability, and user experience.
  • Collaborate with the CTO on technical architecture, design, and strategy.

Requirements

  • 3+ years of full-stack development experience.

  • Strong PHP proficiency with professional WordPress/WooCommerce development experience.

  • Frontend skills using JavaScript, React, or other modern frameworks.

  • Database design and optimisation experience (MySQL/PostgreSQL).

  • Experience designing and integrating RESTful APIs.

  • Strong understanding of secure coding practices and GDPR compliance.

  • Ability to work independently, make pragmatic technical decisions, and take ownership of tasks.

  • Experience building marketplace or e-commerce platforms.

  • Payment gateway integration experience (Stripe, PayPal).

  • Experience developing B2B or enterprise-level software.

  • Familiarity with YITH or similar WooCommerce plugins.

  • Exposure to healthcare or other regulated industries.

  • DevOps skills (AWS, Docker, CI/CD pipelines).

  • Foundational engineering role with meaningful ownership and equity.

  • Opportunity to build essential healthcare procurement infrastructure.

  • Freedom to design and implement solutions end-to-end.

  • Direct collaboration with the founding leadership team.

  • Clear path to future technical leadership roles as the team grows.

About the company

Zenrox Healthcare UK is developing an AI-powered marketplace connecting healthcare facilities with MHRA-compliant medical equipment suppliers. Our platform, ZenroxIQ, enhances procurement through intelligent matching, automated compliance, and predictive analytics for NHS trusts and private hospitals.

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