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Senior Workday Integration Developer

Apex Systems
Everett, WA Full Time
POSTED ON 12/15/2025 CLOSED ON 1/9/2026

What are the responsibilities and job description for the Senior Workday Integration Developer position at Apex Systems?

Job#: 3010949

Job Description:

Apex Systems is seeking a Senior Workday Integration Developer to join a dynamic team focused on developing and supporting Workday integration. This role can be performed remotely within the U.S.

Position Responsibilities:

  • Develop Workday integrations between new and existing systems, both internal and external
  • Develop and support integrations, configuration and related workflow solutions for Workday
  • Deliver on-going support for integrations, including testing during Workday releases
  • Develop, support and manage application code, user interfaces and third-party integration components for client's Workday solution using Workday Studio / Report Designer (BIRT), Enterprise Interface Builder (EIB), Core Connectors & Document Transformations, Calculated Fields, Report Writer / RaaS (Reports-as-a-Service), Web Services (SOAP/REST), XML, XSLT, xPath and JSON
  • Perform full life cycle software development activities
  • Perform necessary investigations, analysis and evaluations
  • Gather and evaluate end user requirements
  • Work in an Agile software delivery environment on a highly collaborative Agile team
  • Work directly with business, functional and technical teams to assess Workday integration needs and best practices as the process owner or subject matter expert (SME)
  • Lead and perform the design, program, test, implementation and documentation of complex computing applications and software or computing architecture and computing application system designs
  • Lead analysis of end user processes to define application requirements
  • Write and compile complex code based on documented design or designs application architecture principles
  • Modify or upgrade complex applications to maintain functionality and performance
  • Identify and recommend improvements
  • Identify and resolve complex programming or application architecture problems
  • Form and lead cross-functional teams across multiple business processes
  • Contract with customers to design a process based on customer requirements and objective
  • Ensure accurate deliverables, maintains results, and communicates to all participants
  • Collect, analyze, document and integrate requirements from multiple process owners
  • Apply and make recommendations for the process, data, and applications/systems architecture
  • Influence, negotiate and act as a change agent with a diverse audience for complex process improvements
  • Lead transition into actionable business strategy by understanding company policies, strategic direction and strategic initiatives
  • Facilitate development and assist with deployment of integrated strategic plans for process improvement/management and organizational direction
  • Learn to balance competing strategic initiatives
  • Lead the successful completion of specific programs, projects and implementation activities
  • Prepare work estimates for assigned tasks using cost benefit analysis
  • Conduct business requirements review, coordinates testing schedules and assist in the preparation of test scripts
  • Understand, apply and develop process standards, guidelines and tools
  • Peer review code prior to production release

Qualifications:

  • Bachelor’s degree or higher in related field preferred
  • 5 years of experience in Workday module configurations or integrations in one or more: Human Capital Management core, Recruitment, Onboarding, Performance Management, Talent Management, Time & Absence Management, Payroll, Benefits and Compensation modules
  • 3 years of experience in Workday Studio, Reports As A Service, Core/Cloud Connect, Business Process Framework, and Calculated Fields
  • 3 years of experience in a role that required Project Management skills desired
  • Experience creating and consuming XML based web services
  • Workday Partner/Pro certification preferred
  • Experience developing and implementing process improvements preferred
  • Experience in design thinking, user centered design, human centered design desired

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.

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