OneStream Lead Developer

Four Seasons Resort Hualalai; Toronto; Hybrid; CAD 80,000 - 100,000; Full time

Job summary

A luxury hotel company in Toronto is seeking a OneStream Lead Developer responsible for the full lifecycle development of the OneStream platform. The ideal candidate should have strong object-oriented programming skills, experience in financial processes, and a proven track record in agile development. This role offers a hybrid working model with a competitive compensation package.

Qualifications

• 3–5+ years of hands-on OneStream lead development experience.
• Strong background in object-oriented programming.
• Understanding of finance processes such as consolidation and planning.

Responsibilities

• Lead solution design, build, and support for OneStream enhancements.
• Manage the full development lifecycle, including testing and deployment.
• Collaborate with stakeholders to translate business needs into technical solutions.

Skills

Object-oriented programming (VB.NET or C#)

Debugging skills

Problem-solving skills

Technical documentation

Agile methods

Education

Bachelor’s degree in Computer Science, Finance, Accounting, or related field

Tools

OneStream

Power BI

SQL

Git

Job description

About Four Seasons

Four Seasons is powered by our people. We are a collective of individuals who crave to become better, to push ourselves to new heights and to treat each other as we wish to be treated in return. Our team members around the world create amazing experiences for our guests, residents, and partners through a commitment to luxury with genuine heart. We know that the best way to enable our people to deliver these exceptional guest experiences is through a world-class employee experience and company culture. At Four Seasons, we believe in recognizing a familiar face, welcoming a new one and treating everyone we meet the way we would want to be treated ourselves. Whether you work with us, stay with us, live with us or discover with us, we believe our purpose is to create impressions that will stay with you for a lifetime. It comes from our belief that life is richer when we truly connect to the people and the world around us.

About the location:

Four Seasons Hotels and Resorts is a global, luxury hotel management company. We manage over 120 hotels and resorts and 50 private residences in 47 countries around the world and growing. Central to Four Seasons employee experience and social impact programming is the company’s commitment to supporting cancer research, and the advancement of diversity, inclusion, equality and belonging at Four Seasons corporate offices and properties worldwide. At Four Seasons, we are powered by people and our culture enables everything we do.

OneStream Lead Developer (2 positions)

The OneStream Lead Developer is responsible for the full lifecycle development and technical configuration of the OneStream platform at Four Seasons. This includes solution design, development, testing, deployment, and ongoing optimization. The developer will contribute to reusable code libraries, technical documentation, integration management, and release planning in support of key modules such as Consolidation, Planning, and Account Reconciliation.

This role requires strong object-oriented programming (VB.NET or C#), experience in structured software development practices, and the ability to work closely with functional stakeholders. The developer is expected to contribute to system scalability, technical architecture evolution, and issue resolution with minimal supervision.

This role is based in the Four Seasons Hotels and Resorts, Toronto Corporate Office, reporting to the OneStream Platform Owner. This role involves interactions with primarily internal stakeholders at various levels.

What You Will Be Doing

Solution Design & Development

• Lead, design, build, support and deploy OneStream enhancements across forms, dashboards, cube views, workflows, and business rules.
• Apply object-oriented programming principles to create modular and reusable logic using VB.NET or C#.
• Leverage OneStream extensibility frameworks, member filters, and parameter-driven designs to support scalable configuration.
• Follow clean coding standards, naming conventions, and version control across environments.

Full Development Lifecycle Management

• Lead requirements gathering, estimation, and sprint planning.
• Support design reviews, peer code reviews, and architectural assessments.
• Lead unit testing, regression testing, and contribute to SIT/UAT test cycles.
• Prepare deployment packages, support post-release smoke testing, and participate in Dev-to-SIT-to-UAT rollouts.

Integration & Platform Maintenance

• Work collaboratively with TID ESB team to maintain and optimize data integrations between OneStream, D365, MDM (Informatica), and external systems.
• Troubleshoot Data Management jobs, source/target mappings, and automation sequences.
• Ensure all changes adhere to data governance, security, and compliance standards.

Technical Collaboration & Platform Strategy

• Work closely with Finance Product Owner and Platform Owner to translate business use cases into robust technical solutions.
• Identify inefficiencies in design or configuration and propose system enhancements to improve usability or performance.
• Document technical specifications, metadata lineage, data flow diagrams, and configuration logic.
• Aid support team members and contribute to internal knowledge-sharing and best practice adoption.

Quality Assurance & Release Readiness

• Support deployment procedures, configuration migration, and release coordination.
• Develop test scripts, log known issues, and maintain traceability across ADO work items.
• Support root cause analysis and timely resolution of post-deployment issues.
• Champion design consistency and alignment across modules and teams.

What Your Bring

• 3–5+ years of hands-on OneStream lead development experience (dashboards, forms, cube views, business rules, workflows).
• Strong background in object-oriented programming using VB.NET or C#.
• Understanding of finance processes such as consolidation, planning, forecasting, and allocations.
• Demonstrated experience with metadata structures, extensibility concepts, and data management sequences.
• Familiarity with agile delivery methods, sprint management, and software development lifecycle (SDLC) standards.
• Strong debugging, documentation, and problem-solving skills.
• Proficiency in translating business requirements into technical specifications.
• Bachelor’s degree in Computer Science, Finance, Accounting, Information Systems, or related field.

Nice to Have

• OneStream Certification or active pursuit (Administrator or Architect).
• Familiarity with enterprise reporting tools like Power BI.
• Exposure to DevOps tools and automation (e.g., Git, Azure DevOps pipelines).
• Prior experience in hospitality, real estate, retail, or other service-oriented industries.
• Understanding of data warehousing concepts, API integration, and relational database queries (SQL).

This role will be a hybrid working model, which will require 3 days per week at our temporary 20 York Mills Road, Toronto, Ontario location with travel, as needed, to the Four Seasons Corporate Office located at 1165 Leslie Street, Toronto, Ontario #LI-Hybrid

Four Seasons is committed to providing employment accommodation in accordance with the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act. If contacted for an employment opportunity, please advise Human Resources if you require accommodation.