Integration Specialist - Workforce Management

Job Title: Integration Specialist - Workforce Management (UKG/Kronos/ATOSS)
Location:London (x2 days onsite per week)
Salary/Rate: £565 - 615 per day inside IR35
Start Date: Beginning of June
Job Type: Initial 6 month contract (scope for a 2 year contract)

Company Introduction
We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled Integration Specialist to design, build, and support integrations across the Workforce ecosystem of Time, Absence, Scheduling & Payroll to enable accurate pay, compliance, and reporting.

Job Responsibilities/Objectives

• Understand integration requirements and translate them into solutions
• Build and support interfaces including:
• o HR master data to time systems (workers, assignments, cost centres, org structures)
• o Time results to payroll engines (hours, premiums, exceptions, retro adjustments)
• o Scheduling data exchange (planned shifts, changes, absences interplay)
• Implement secure integration patterns (API, file, middleware), including encryption, error handling, retries, and monitoring.
• Develop reconciliation and control reports to ensure end-to-end completeness and accuracy.
• Support SIT/UAT and payroll validation cycles; triage defects across systems.
• Produce integration design documentation, mappings, runbooks, and operational handover
• Deploy and release to production environment

Required Skills/Experience
The ideal candidate will have the following:

• 3 years hands-on development experience in HR, Payroll and Time ecosystems (Kronos / UKG, SAP, Workday SuccessFactors, ADP, Strada, ATOSS, Dayforce)
• Understanding of payroll, HRIS, time and attendance, and scheduling data
• Strong skills in integration tooling (e.g., CPI/MuleSoft/Boomi) and data formats (JSON/XML/CSV).
• Experience with authentication/authorisation, logging, and operational support

Desirable Skills/Experience
Although not essential, the following skills are desired by the client:

• Payroll processing cycles and time valuation outputs (premiums /overtime /allowances).

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.

Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.