Custom Software Systems, Inc. (CSS) is seeking a skilled and motivated Workday Application Developer to support the successful implementation, enhancement, and long-term management of our Workday Human Capital Management (HCM) and Financial systems. The ideal candidate will bring strong technical expertise, hands-on Workday integration experience, and a deep understanding of business processes to ensure seamless system performance and reliable data flow across enterprise functions. This role is critical in delivering high-quality solutions, collaborating with cross-functional teams, and providing ongoing support to meet evolving organizational needs.
Responsibilities
Development and Configuration
- Design, build, test, and deploy Workday integrations using tools such as EIB, Studio, Core Connectors, and Web Services (SOAP/REST APIs)
- Configure and maintain Workday business processes, calculated fields, custom validations, and condition rules
- Develop and maintain Workday custom reports
- Troubleshoot and resolve system or integration issues
- Integration Management
- Create and maintain integrations between Workday and third-party systems (HR, Payroll, Benefits, Finance, etc.)
- Monitor scheduled integrations and address failures or data inconsistencies
- Document integration design, configuration, and data flow processes
- Optimize existing integrations to improve performance and reliability
Reporting and Analytics
- Develop and maintain Workday reports and dashboards to support business and compliance needs
- Work with users to understand reporting requirements and translate them into Workday solutions
- Automate report scheduling and distribution for Users
Support and Collaboration
- Provide technical support for agency/end users
- Maintain system documentation, including design specs, workflows, and configuration guides
- Collaborate with HR, Payroll, Finance, and IT teams to align Workday functionality with business needs
- Participate in change control and configuration management processes
- Gather/document business requirements for change requests (break/fix).
Clearance
- Must be clearable
Citizenship
- US Citizenship
Required Qualifications
- At least two (2) years' experience in the administration or support of enterprise systems, such as web services, Workday HCM, Payroll, Financials, and Reporting.
Knowledge, Skills & Abilities/ Preferred Qualifications
- Strong analytical and problem-solving skills
- Outstanding business process fluency, with a strong ability to discuss processes at a level of detail sufficient to gain insight into the underlying business problem or opportunity
- Ability to work in a team environment; establishing and maintaining strong professional relationships
- Proven ability and success with HCM, Payroll and Financial systems
- Maintain the security and confidentiality of any proprietary or sensitive data in any medium
- Demonstrated Workday experience
- Demonstrated experience in Workday implementation or post-production environment as a primary technical resource
- Workday certified training or commensurate experience.
Certificates
Workday certified training or commensurate experience preferred
Education
- Graduation from an accredited college or university with a bachelor’s degree in business or computer science. Additional experience may be substituted on a year-for-year basis up to a maximum of four years for the required education.
Compensation & Benefits12
- Wage Range: $165,000-190,000
- General Benefits: Custom Software Systems, Inc. offers our employees a competitive benefits package that may include:
- Health insurance plans
- Health Savings Account (HSA)
- Dental
- Vision
- Long-term disability
- Short-term disability
- Basic term life insurance
- Supplemental term life insurance for employees, spouses, and dependents
- Simple IRA
- Parking/Commuting expense reimbursement
- Training/Education
Top Skills
What We Do
Welcome To Custom Software Systems, Inc.
About Custom Software Systems, Inc.:
Headquartered in Leesburg, Virginia, Custom Software Systems, Inc. (CSS) is a certified Woman Owned Small Business (WOSB) and certified HUBZone Business. Built on a foundation of trusted client partnerships, CSS has fostered a “stakeholder-centric”, yet disciplined approach to IT solutions development. This ensures our ability to consistently deliver on time and within budget and to meet or exceed our customers’ expectations.
Core Expertise:
CSS specializes in developing and implementing Custom Software Solutions and Support Services which deliver high value to our customers. Our skilled team of consultants helps our clients/partners integrate technology that fits their business needs. We provide our clients with a full array of services, including:
- Project Management & Oversight (PMP certified Project Managers)
- Database and Data Management (Certified DBA’s)
- Data Architecture (DAMA and TDWI member)
- Middleware Support (Oracle Fusion Middleware)
- Application Lifecycle Management (ALM)
- Oracle Fusion Middleware Support
- Business Intelligence Support (WebFOCUS, Business Objects, Tableau)
- Full Lifecycle Application Development (Agile, RUP, Waterfall)
- Identity Management
- Operations and Maintenance
Core Values:
CSS was founded on a set of guiding principles that include good old fashioned hard work, ethics, teamwork, and innovation. We establish relationships with our customers that are based on direct and honest communication and perseverance to get the job done which in turn fosters respect and trust. We expect our associates, at every level, to conduct themselves with integrity, honesty and strong ethics in all relationships with customers and employees.






