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Payroll Officer

HeliosX · London

onsitefull-timemid level

About this role

Ready to revolutionize healthcare, making it faster and more accessible than ever before? 

How we started:

Founded in 2013 by Dwayne D’Souza, HeliosX was built on a simple but powerful idea: healthcare should be easier to access, faster to receive, and centred around the individual. From day one, we’ve grown without external funding; scaling profitably through technology, disciplined execution, and deep medical expertise. What started as a challenger idea has become one of the most significant healthcare platforms operating globally today.

Where we are now:

We’ve earned the trust of millions of people worldwide through category-leading products and well-known brands, including MedExpress, Dermatica, ZipHealth, RocketRX, and Levity. A key driver of our success is vertical integration; we operate our own manufacturing and proprietary products, led by in-house medical teams, researchers, and pharmacists at the top of their fields.

In 2025, HeliosX treated more than 1.7 million patients globally and reached £781m in revenue, representing +337% year-on-year growth and cementing our position as the clear market leader in the UK. That growth translates into real-world outcomes: our weight-loss treatments helped patients lose 8.5 million kilograms of excess weight in 2025 alone, contributing to an estimated 1,300 fewer cardiac events. This is growth with measurable, life-changing impact at scale.

Today, we operate across four international markets, with successful launches in Germany and Canada and continued expansion in the US. We were also recently recognised in the Sunday Times Top 100 fastest-growing tech companies, further validation of both our momentum and our ambition.

Where we’re going:

2026 is a step-change year. Our ambition is to reach £1.6bn in revenue, expand from four to eight global markets and significantly broaden our condition and treatment portfolio. Over the coming years, you’ll help shape HeliosX into a truly world-leading healthcare partner; one that combines scale, speed, and clinical rigour to redefine how personalised care is delivered. Joining HeliosX now means building systems, teams, and products that will define the next decade of digital healthcare, and doing work that genuinely improves lives, at global scale.

There’s never been a more exciting time to join HeliosX. Come be a part of making our dream of easier and faster healthcare a reality!

HeliosX are expanding their payroll team as we continue growing as a business. The Payroll Officer will take full ownership of end-to-end UK payroll for approximately 1,000 employees, working closely with our People and Finance teams. This is a technically demanding, high-autonomy role with genuine scope to shape how payroll operates as HeliosX grows, including bring involved in active projects to bring pensions administration in-house and being the main point of contact for all our in-house payroll queries.

What you'll be doing
  • Running end-to-end UK payroll accurately and on time, including all pay elements, deductions and statutory payments
  • Applying and calculating manual tax codes, processing P6/P9 notifications and handling complex tax scenarios
  • Completing monthly reconciliations across GL, HMRC and pension providers using Excel
  • Managing the full range of statutory payments: SSP, SMP, SPP etc, including manual calculations
  • Owning pension scheme administration including auto-enrolment, opt-outs, re-enrolment and provider reconciliations
  • Acting as first point of contact for all employee payroll queries daily
  • Managing the relationship with our external payroll provider, challenging outputs and driving accuracy
  • Contributing to the active project to bring pensions administration in-house

What you'll bring
  • Hands-on end-to-end UK payroll ownership in a medium to large organisation
  • Confident working knowledge of PAYE, NI, statutory payments and auto-enrolment
  • Experience with manual tax code calculations and complex statutory payment scenarios
  • Strong Excel skills for payroll validation and reconciliation work
  • Experience operating alongside an external payroll provider
  • Comfortable working at pace in a scaling, deadline-driven environment

#LI-Hybrid #LI-Associate

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