Workday Data Migration Developer

Minimum 8 years of relevant experience in Workday Data Migrations required.

Bachelor’s degree in Data Science, Computer Science, Statistics, or a related field.

Experience loading data to Workday using standard tools such as EIB and Customer Central .

Deep, hands-on expertise in Workday data migrations across the full conversion lifecycle — extraction, transformation, mapping, loading, and reconciliation.

Strong SQL proficiency including complex queries for data extraction, transformation, cleansing, and validation.

Develop and maintain conversion mapping documents, data templates, and transformation logic aligned to client and project requirements.

Participate in requirement gathering sessions, planning tasks and estimated delivery dates (project planning), and escalation management.

Designing and developing custom solutions using multiple programming tools including SQL, Excel, VBA, and PowerShell.

Ability to collaborate with stakeholders to understand data requirements and business objectives.

Execute data quality checks and reconciliation activities to ensure loaded data meets validation criteria prior to go-live.

Support cutover execution including mock migration runs and final data loads, escalating blockers to the Data Migration Manager as needed.

Ensure compliance with data governance policies and procedures.

Document data conversion methodologies, error logs, and reconciliation outcomes for reference and knowledge sharing.

Work closely with cross-functional teams including legacy IT experts, business SMEs, and Workday functional consultants to address data-related challenges.

Strong analytical mindset and the ability to derive actionable insights from data.

Excellent communication and presentation skills, capable of conveying complex information in a clear and concise manner.

Ability to work independently and collaboratively in a fast-paced and dynamic environment.

Founded in 1985 as Premier International and rebranded in 2025, Definian combines four decades of trusted results with the energy of an AI-enabled future. We are proud to be recognized as one of Crain’s Best Places to Work in Chicago® and to be consistently named to the Inc. 5000 list for growth.

Definian is an EEO Employer and provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.