Location: London (5 days per week in the office)
Reports to: Head of HR
Contract: Full-time, permanent


Flatpay is a fast-growing fintech and officially a unicorn, with ambitious plans for continued expansion. We believe in keeping things simple, for our customers and for our people. Our UK operations support Field Sales Representatives, Business Development Representatives, and Customer Support teams, and we are building a high-performing, scalable HR operation to support our next stage of growth.

We are now looking for an HR Operations Manager to work closely with the Head of HR and strengthen our HR function as we scale.

This is a hands-on HR role focused on operational excellence. Working closely with the Head of HR, you will manage core HR administration, maintain strong HR systems, and support managers with people processes and employee relations.

We are looking for someone with HR experience, confident in HR administration, and experienced in supporting ER matters in line with UK employment law.

Key Responsibilities

HR Operations & Administration

• Manage the full employee lifecycle inPersonio, including onboarding, changes, and offboarding.
• Maintainaccurateemployee records, contracts, and documentation to ensure compliance with UK employment law.
• Draft employment contracts, probation letters, and other formal HR correspondence.
• Oversee right-to-work checks, timekeeping compliance, and audit-ready personnel files.
• Coordinate and prepare all monthly payroll changes, working closely with the Head of HR, Finance, and our payroll provider (Payescape) to ensure submissions areaccurate,timely, and fully compliant.
• Maintain and update HR policies, ensuring alignment with the UK Employee Handbook and consistency across theorganisation.

Employee Relations

• Support the Head of HR with day-to-daypeoplematters, including performance, absence management, sickness, and conduct concerns.
• Assistwith formal ER processes, including preparing documentation, drafting letters, note-taking, and ensuring ACAS-compliant procedures.
• Provide simple, clear guidance to managers on policies and people-related decisions.

Process & Systems Improvement

• Work with the Head of HR to streamline HR processes as the team scales, ensuring everythingremainssimple, efficient, and compliant.
• Support widerpeopleprojects including onboarding reviews, data reporting, policy updates, and training materials.

General HR Support

• Act as a first point of contact for employee queries across the UK team.
• Prepare monthly HR reports,peopledata, and insights for the Head of HR.
• Ensureall HR communications are consistent,accurate, and professional.

Skills & Experience Required

• HR experience in HR administration, HR operations, or a similar role.
• Strong understanding of UK employment law, particularly probation, sickness, performance management, and disciplinary procedures.
• Experience supporting or managing employee relations cases.
• Confident using HRIS systems — experience with Personio is a strong advantage.
• Excellent organisation, attention to detail, and ability to handle confidential information.
• Strong written communication skills with a calm, pragmatic, and people-focused approach.
• Comfortable working in a fast-paced, evolving environment.

Welcome to Flatpay!

Flatpay is not just another payment solution; we are dedicated to innovating the market for payment solutions and financial services in the SME segment with our customer-centric and transparent services.

Flatpay is more than just work. We believe in fostering a vibrant and fun work culture where our ambitious colleagues can thrive. Our goal? To create the next unicorn straight out of Denmark. As part of our team, you will be one of +1.000 passionate colleagues dedicated to making a difference in the financial world.

What sets Flatpay apart is our dedication. We continuously strive to stay ahead of the curve, adapting our solutions to meet our client's evolving needs.

Let's shape the future of 7 million European merchants together!