HR Generalist (People & Culture Lead)

Title: HR Generalist | Build the People Function in a Scaling AI Biotech

Location: Cardiff, UK (on-site)

Salary: Competitive + equity

Antiverse are an AI-driven biotech in Cardiff that is scaling quickly and now looking for someone to take ownership of their people function. You will be joining at a point where there is real opportunity to shape how the company operates as it grows, working closely with leadership and having a direct impact on culture, structure and team development.

This is a broad HR generalist role with full ownership across the employee lifecycle. You will:

• Manage HR operations, compliance and policies
• Support hiring and onboarding
• Partner with managers on performance and development
• Handle employee relations and day-to-day HR support
• Own HR systems and people data
• Build scalable processes as the business grows
• Support the Cardiff office on-site

What they are looking for

• 3–7+ years’ experience as an HR Generalist
• Strong experience across the full employee lifecycle, including HR operations, employee relations and recruitment support
• Solid understanding of UK employment law and compliance
• Comfortable being hands-on in a fast-paced, scaling environment
• Confident working directly with leadership and senior stakeholders
• Experience using HR systems such as HiBob, BambooHR, Rippling or similar
• Able to work full-time on-site in Cardiff

Nice to have

• Experience in a startup or scale-up environment
• Exposure to biotech, tech or scientific organisations
• Experience building HR processes from scratch
• Experience supporting high-growth hiring

Technical capability

• HRIS ownership and management
• HR operations and compliance processes
• Employee lifecycle management
• Performance management support
• People data tracking and reporting
• Policy development and documentation

Why this role

• Opportunity to build a people function from the ground up
• Clear pathway to Head of People and Culture
• High visibility and real influence in a growing company
• Fast-moving, collaborative environment

…