Senior Full Stack Developer

Legacy Personnel Solutions; Windsor; On-site; CAD 75,000 - 78,000; Full time

Benefits offered by this job

Dental care

Extended health care

Life insurance

RRSP match

Vision care

Job summary

Legacy Personnel Solutions in Windsor, ON is seeking a Full Stack / Senior Developer to join the DevOps department with a strong backend focus. The role centers on building and maintaining server-side platforms, APIs, and integrations that power warehousing operations.

This is an in-person, on-site role in Windsor with potential on-call rotation. Require 10+ years of software development, deep C#/.NET expertise, experience with Clean Architecture or Domain Driven Design, and strong relational DB

Qualifications

• 10+ years of professional software development with backend focus.
• Strong C#/.NET proficiency.
• Automated testing across unit, integration, and end-to-end.
• Experience applying Clean Architecture or Domain Driven Design.
• Strong DB skills with SQL Server/Oracle/PostgreSQL.
• Blazor or modern frontend for internal tooling.
• Experience with system integrations and automotive/logistics domain.

Responsibilities

• Design, build, and maintain backend services and APIs for warehouse apps.
• Model and optimize relational databases for high-volume workloads.
• Develop integrations between internal systems and partner platforms.
• Support EDI transactions and on-call production support.
• Implement background jobs, queues, and CI/CD pipelines.
• Build internal web interfaces on top of backend services.

Skills

C# / .NET

Automated testing

Clean Architecture

Domain Driven Design

Blazor

Relational databases

Education

Bachelor's Degree

Tools

SQL Server

Oracle

PostgreSQL

REST APIs

Azure

AWS

RabbitMQ

Job description

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