Full-time · Mid-Career · 5+ Years Experience

This is a Remote OpportunityLocated in Montreal, QC, Cigo Tracker is a fast-growing SaaS company in the last-mile logistics industry. Our platform helps businesses streamline delivery operations, increase efficiency, and delight customers with real-time tracking and notifications.About the ProjectWe are currently migrating a large monolithic PHP application into a modern C#/.NET application and API-based architecture.You will play a key role in:

• Translating existing PHP features into clean, maintainable C#/.NET services and APIs
• Helping define and improve the new architecture for performance, scalability, and reliability
• Gradually decomposing the monolith into modular, testable components

We primarily need someone with strong C#/.NET skills. If you also have PHP experience, that’s a big plus to help understand and migrate legacy code more efficiently.

What You’ll Do

• Design and build high-performance REST APIs and backend services in C#/.NET.
• Help migrate existing PHP-based functionality into the new .NET-based architecture.
• Work on both backend (.NET) and frontend (React) when needed.
• Participate in technical design, code reviews, and architecture discussions.
• Optimize APIs and database interactions for speed, scalability, and low latency.
• Collaborate with the team to improve code quality, testing, and observability.
• Work schedule: 9 AM to 5 PM EST (Montreal time).

Skills

Technologies You’ll Work With

Core Stack

• C# / .NET 10+ (Web API, microservices)
• REST API design
• SQL Server and MySQL Server other relational databases
• Azure Cloud services (e.g. App Services, Functions, Service Bus, APIM) – depending on tasks

Nice-to-Have / Legacy

• PHP (Laravel, Yii, Symfony, or similar) – for understanding and migrating the monolith

What We’re Looking For

• Strong professional experience with C#/.NET (Required)
• Proven experience building robust, optimized REST APIs
• Solid understanding of scalable architecture, performance tuning, caching, and async patterns
• Experience with React (JavaScript or TypeScript)
• Strong knowledge of JavaScript and modern front-end development practices
• Comfortable working with relational databases (SQL Server/MySQL)
• Very good Git skills and experience with CI/CD pipelines
• Strong analytical, problem-solving, and communication skills
• Ability to quickly understand existing systems and progressively improve them

Bonus Skills

• Experience with PHP (to help interpret and migrate legacy code)
• Experience with Azure Cloud (big plus)
• Familiarity with Microsoft DevOps ecosystem (Azure DevOps)

Experience

• C#/.NET – Required
• API Development – Required
• Azure Cloud – Asset
• PHP – Asset

Language

• Fluent professional English (Required)