Principal Software Engineer

DAT•Mississauga, ON

18d•Hybrid

About The Position

Loadlink Technologies is seeking a Principal Software Engineer to join their engineering team. This role is a senior, hands-on technical leadership position responsible for setting architectural direction, mentoring engineers and architects across distributed teams, and driving initiatives that span product and organizational boundaries. The engineer will balance coding, technical strategy, and collaboration with Product, Operations, and other engineering leaders to deliver scalable solutions. The company's technology stack includes .NET Core / C#, Angular, Azure, SQL Server, MySQL, PostgreSQL, REST/JSON APIs, and native iOS/Android mobile apps, operating in an agile environment with modern DevOps practices.

Requirements

12+ years of professional software development experience designing, building, scaling, and maintaining production systems
A track record of architecting SaaS enterprise applications
Background driving broad product or technical initiatives that span organizational boundaries
Deep knowledge of architectural frameworks and patterns (Onion, DDD, Clean, SOLID)
Backend expertise in .NET Core / C#, and front-end expertise in Angular (preferred)
Experience with cloud platforms (Azure, AWS) and databases (SQL Server, MySQL, PostgreSQL)
API development experience (REST/JSON preferred)
Experience with Git version control, CI/CD pipelines, and release management practices
Proficiency with DevOps practices and tools
A working knowledge of application security and performance tuning / scalability
Hands-on experience using AI-assisted development tools (e.g. Claude Code, GitHub Copilot, OpenAI) to accelerate coding, review, and testing workflows
Bachelor's degree in Computer Science, Technology, or equivalent experience

Nice To Haves

Deep experience across at least two areas of the tech stack (backend, frontend, infrastructure, data, mobile)
Consulting or professional services experience, including SOW creation and partner engagements
Experience with mobile technologies (iOS, Android)
Worked with distributed, cross-geography engineering teams
Led or contributed to integrating LLMs or AI/ML capabilities into a production SaaS application

Responsibilities

Establish architectural vision and set implementation strategy in partnership with the VP of Technology and Product team
Work across the stack — from Angular front ends to .NET Core services to the databases underneath — and stay hands-on, including in POC scenarios
Design and develop REST APIs and other code that is reliable, maintainable, and extendable
Establish and enforce architecture guidelines, and keep architecture documentation current
Participate in design and code reviews, and provide development teams with architectural oversight
Translate business needs into technical specifications, and evaluate how requirements affect schedule and design
Contribute to ideation, estimation, SOW creation, and product roadmap development
Work with engineers, product owners, and other technology leaders to deliver integrated solutions
Bring a continuous improvement mindset, always looking for opportunities to optimize our products, technologies, and processes
Champion the adoption of AI tools and practices across the SDLC — code generation, review, testing, and documentation — to improve engineering velocity and quality
Identify and drive opportunities to embed AI capabilities directly into our product offerings, partnering with Product on use cases that create customer value