Full Stack Developer Contract Jobs in London, ON

Veterinary Purchasing Co. Ltd. (VP) located in St. Marys, Ontario, is the largest veterinary owned distributor in Canada. Our primary purpose is to ensure that Veterinarians have the supplies they need to provide healthcare to all types of animals. We are currently looking for an experienced individual to join our Information Technology team in a Full Stack Developer role.

FULL STACK DEVELOPER (Temporary Full-Time – 12-Month Contract)

Reporting to the Application Services Manager, the Full Stack Developer designs, develops, integrates, and supports secure, scalable applications across the full software development lifecycle. Working with Business Analysts, Quality Assurance resources, developers, vendors, and internal stakeholders, this role translates business needs into production-ready solutions spanning front-end development, back-end services, APIs, databases, testing, deployment, and production support.

Essential Duties and Responsibilities:

• Design, build, test, deploy, and maintain responsive web applications using React.js, JavaScript/TypeScript, Node.js, and/or C#/.NET
• Translate approved business and technical requirements into maintainable solution designs, reusable components, acceptance criteria, and production-ready software
• Design, secure, document, and consume RESTful APIs and JSON-based integrations, including authentication, validation, error handling, logging, monitoring, and recovery
• Design and maintain relational database objects, schemas, queries, stored procedures, and data-access logic that protect data integrity, security, scalability, and performance
• Participate throughout the software development lifecycle, including estimation, planning, source control, peer code review, testing, change management, release, deployment, and post-release support
• Assess upstream and downstream impacts, troubleshoot production defects and integration issues, and communicate risks, dependencies, and corrective actions clearly
• Apply secure-development and quality practices, including access control, dependency management, vulnerability remediation, automated testing, and traceable change records
• Provide realistic estimates, manage competing priorities, maintain technical documentation, and deliver reliable solutions within agreed timelines
• Partner with technical and business colleagues while remaining accountable for independently assigned work
• Other related duties as assigned
  

Health & Safety:

• Works in compliance with the Occupational Health & Safety Act and follows VP’s policies and procedures
• Conducts self with regard for the safety of all employees
• Participates in health and safety training, meetings, and drills as required; is aware of safety and evacuation procedures
• Reports any health & safety violations or hazards to appropriate contacts (JHSC Representatives, Supervisors, Managers)
  

Good Manufacturing Practices (GMP):

• Follows and understands all relevant Standard Operating Procedures and requirements related to Good Manufacturing Practices

Company Culture:

• Demonstrates a commitment to VP’s core values of service, care, respect, integrity and community by incorporating these principles into daily work, decision-making, and interactions with colleagues, clients, and stakeholders
• Embodies and promotes VP’s mission of delivering the highest level of service to our member practices through the personal actions of people care
  

Skills and Knowledge Required:

• Bachelor's Degree in Computer Science, Software Engineering, Computer Engineering, or a related discipline; an equivalent combination of practical experience and professional development may be considered
• Four or more (4+) years of professional software development experience in a collaborative team environment
• At least two (2+) years of hands-on professional experience developing production applications with React.js
• Strong proficiency with JavaScript/TypeScript, HTML5, and CSS3, including responsive and maintainable user-interface development
• Professional back-end development experience using Node.js, C#/.NET, or both, including RESTful APIs, JSON data, and application integrations
• Strong relational-database and SQL skills, including schema design, query performance, and data-integrity considerations
• Working knowledge of Git-based workflows, peer code review, CI/CD, change management, and platforms such as Azure DevOps, GitLab, or comparable tools
• Strong analytical, project-delivery, written, and verbal communication skills, including the ability to translate business requirements into technical solutions
• Ability to manage priorities, work independently when required, and remain aligned with teammates, stakeholders, and established development practices
  

Preferred Assets:

• Experience with Microsoft Azure or another major cloud platform such as AWS or Google Cloud Platform
• Experience building or improving CI/CD pipelines, automated deployments, or containerized solutions using Docker or comparable technologies
• Practical experience working within Agile or Scrum delivery frameworks
• Experience integrating enterprise, warehouse, operational, or third-party systems in a regulated, privacy-sensitive, or audit-sensitive environment
  

Schedule and Hours of Work:

• Monday to Friday 8:30 a.m. to 5:00 p.m.
  

Location:

• This is a hybrid role, located at our head office (485 Queen St W, St. Marys, ON N4X 1B7)
  

Compensation:

$68,359.00 - $97,656.00

Note: Compensation will be determined based on the successful applicant's experience and qualifications

Vacancy Reason:

• Replacement
  

Why Choose VP?

• Competitive compensation
• Proud to support the local St. Marys community
• Helping to serve the animal health industry in Canada
  

How to Apply:

Please apply online with a cover letter and resume at: https://vpcl.bamboohr.com/careers

Application Deadline:
4:00 p.m. ET, Friday, September 18, 2026

VP does not use AI to screen, select, or assess candidates. We thank all applicants for their interest; however, only those chosen for an interview will be acknowledged. No phone calls please.

VP is committed to employment equity and welcomes diversity. In addition, Veterinary Purchasing Company Ltd. encourages applications from all qualified individuals including persons with disabilities, Aboriginal persons, women, and members of visible minorities.

Veterinary Purchasing Company Ltd. provides accommodations to applicants with disabilities throughout the hiring process. If you require accommodations to complete an application, please contact Human Resources hr@vpcl.on.ca or call 519-284-1371 ext. 330 and we will work with you to meet your accommodation needs.