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Legacy Personnel Solutions

Senior Full Stack Developer

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Summary

Senior backend-focused full stack developer joins a Windsor, ON warehousing and distribution company (placed via staffing firm Legacy Personnel Solutions), building C#/.NET backend services, APIs, EDI integrations, and internal dashboards using SQL Server/Oracle/PostgreSQL and Blazor/React-style front ends. On-site role paying CA$75,000-78,000 per year.

Date posted: September 18, 2026

Pay: CA$75,000.00 – CA$78,000.00 per year

Job description:

Role Overview

Our Client in Windsor ON is a warehousing and distribution operation servicing major automotive OEMs, including Ford and Stellantis. They are hiring a Full Stack / Senior Developer to join their DevOps department, with a strong emphasis on backend engineering. This role is responsible for building and maintaining the server-side platforms, APIs, and integrations that keep their warehousing operations running.

Key Responsibilities

  • Design, build, and maintain backend services and APIs that power warehouse, inventory, and shipping applications.
  • Model, optimize, and maintain relational databases supporting high volume transactional workloads.
  • Develop and own integrations between internal systems and partner platforms
  • Support EDI transactions used by OEM customers, troubleshooting application side issues, building tooling, and collaborating with the EDI team.
  • Implement background jobs, scheduled processes, and queue based workflows.
  • Build internal facing web interfaces (dashboards, operator tools, admin panels) on top of backend services.
  • Write automated tests, participate in code reviews, and contribute to CI/CD pipelines.
  • Support production systems and participate in an on call rotation as needed.

Must-Have Qualifications

Candidates must demonstrate all of the following to be advanced.

  • 10 or more years of professional software development experience with a clear backend focus.
  • Strong proficiency in C#/.NET.
  • Automated testing as a routine part of development, spanning unit, integration, and end to end coverage.
  • Practical experience applying Clean Architecture or Domain Driven Design patterns in production systems.
  • Strong relational database skills, including schema design, query optimization, using SQL Server, Oracle, or PostgreSQL.
  • Working knowledge of Blazor (preferred) or another modern frontend framework (React, Angular, or Vue) sufficient to build internal tooling and dashboards.
  • Experience working with system integrations and third‑party APIs.
  • Direct exposure to warehousing, logistics, or the automotive industry, ideally supporting Ford, Stellantis, or Tier 1 suppliers.
  • Comfort working with and extending legacy applications and integrations.

Preferred -to-Have Qualifications

  • Experience designing and maintaining REST APIs in production (ASP.NET Core Minimal APIs is a plus).
  • Familiarity with EDI concepts.
  • Experience with message queues or service buses (RabbitMQ, Azure Service Bus, Kafka).
  • Experience with cloud platforms, Azure preferred and AWS acceptable.
  • CI/CD pipeline experience.

Education Bachelors Preferred

Benefits

  • Dental care
  • Extended health care
  • Life insurance
  • RRSP match
  • Vision care

Education

  • Bachelor’s Degree (required)

Experience

  • Software Development : 10 years (required)
  • Backend Focus : 10 years (required)
  • C#.NET : 10 years (required)
  • Clean Architecture: 10 years (required)
  • Domain Driven Designs : 10 years (required)
  • Blazer/Angular or Vue : 10 years (required)
  • warehousing/Logistics and Automotive : 10 years (required)

Language

  • English (required)

Licence/Certification

  • Driving Licence (required)

Work Location: In person

Skills

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