We are looking for a hands-on Workday Integration Developer to design, build, and support secure and reliable integrations between Workday and enterprise systems.

The role will focus primarily on EIB and Workday Studio, while also supporting Workday Orchestrations, web services, APIs, and data transformations.

You will collaborate with technical teams, HRIS partners, functional leads, and external vendors to translate business requirements into effective integration solutions and ensure the stability of production integrations.

Primary Location: Toronto, ONWork Model: Hybrid 3-Days Onsite

Employment Type: ContractorRESPONSIBILITIES:Design, build, test, and deploy inbound and outbound integrations using EIB, Workday Studio, Core Connectors, and Workday Web Services

Build and maintain Workday Orchestrations to automate multi-step workflows and connect Workday with external systems and APIsTransform data using XML, XSLT, XPath, and JSON to support payroll, benefits, ATS, banking, and other vendor file formats

Create calculated fields and custom reports to support integration requirements

Monitor integrations, troubleshoot failures, and resolve production issues within established service levels

Perform regression testing for Workday semi-annual releases

Apply integration security practices using ISUs, OAuth, SFTP, and PGPPartner with HRIS analysts, functional leads, technical teams, and vendors to translate business requirements into technical solutions

Communicate project status, risks, dependencies, and issue resolutions clearly to stakeholders

Maintain technical documentation, including integration designs, data mappings, and operational runbooksQUALIFICATIONS, SKILLS & EXPERIENCE:3+ years of hands-on Workday integration development experience

Hands-on experience building and supporting integrations using EIB and Workday Studio

Experience with Workday integration tools such as Core Connectors and Workday Web Services

Knowledge of XML, XSLT, XPath, JSON,



and REST or SOAP APIsUnderstanding of Workday HCM data and business processes

Experience creating calculated fields and custom reports in Workday

Analytical and troubleshooting skills with experience resolving integration and production issues

Understanding of integration security concepts such as ISUs, OAuth, SFTP, and PGPStrong written and verbal communication skills

Ability to gather requirements and explain technical concepts to technical and non-technical audiences

Ability to collaborate effectively across technical teams, business stakeholders, and external vendorsNICE TO HAVE:Experience building or maintaining Workday Orchestrations

Workday Integrations or Workday Extend certification

Experience with Java, Java

Script, or Python

Exposure to middleware or iPaaS platforms such as Boomi, Mule

Soft, or WorkatoABOUT ADASTRAAdastra is a global leader in AI and data-driven transformation, helping organizations lead with artificial intelligence—responsibly, strategically, and at scale.

With over 25 years of experience, Adastra empowers enterprise clients to unlock business value through data innovation, operational excellence, and smart customer engagement. Trusted by some of the world's most prominent brands, Adastra delivers end-to-end solutions grounded in thoughtful strategy, robust governance, and deep technical expertise.

From defining vision to ensuring execution, Adastra guides organizations through every stage of their AI, data and cloud journey—building future-ready capabilities and delivering measurable, lasting impact. Adastra serves clients across key industries including financial services, automotive, manufacturing, technology,



media and telecom (TMT), healthcare, retail, and professional services.

The company employs more than 2,000 professionals across North America, Europe, and Asia. WHAT WE OFFEROpportunity for advancement and career progression

Competitive compensation

Successful referral program

The opportunity to work with one of Canada's 50 Best Managed Companies

Satisfaction of working for a reputable company A versatile, dynamic, and diverse workplaceEQUAL OPPORTUNITY EMPLOYERIn our commitment to promote fair and equitable treatment of all employees and applicants, Adastra Corporation provides equal employment opportunities for all individuals regardless of age, sex, disability, race, ethnic origin, citizenship, creed, sexual orientation, marital status, or any other ground as described in the Ontario Human Rights Code. In addition, accommodation will be provided during the hiring process.

Adastra Corporation's implementation and support of employment initiatives, encourage diversified labour force participation and equal access to opportunities based on merit and performance. AI Usage - Our hiring process includes the use of AI-enabled tools to screen applications (e.g., keyword matching, qualification ranking). A human recruiter reviews all AI-generated shortlists to make informed hiring decisions.

There has been an increased instance of fraudulent job offers coming from people posing as Adastra HR employees.

Please note that Adastra will never request fees as part of our recruiting process and any emails sent to you that are not from ‘@adastragrp.com' or ‘@talent.icims.com' are fraudulent.

All employment offers are sent via Docu

Sign and if you receive an employment offer from a suspicious email and not via Docu

Sign, it is fraudulent.

Contact [email protected] to inquire about jobs at Adastra, to report a suspicious request for money or personal information from external websites or suspicious employment offers.

📌 Workday Integration Developer (Markham)
🏢 Adastra
📍 Markham