Trevor Frances Recruitment is supporting a client in the search for a Senior Full Stack Developer. This role is suited for an experienced developer who brings strong technical expertise across both front-end and back-end development, along with the ability to design and deliver scalable, secure, and high-performing SaaS solutions.
The position combines hands-on development with architectural thinking, collaboration across cross-functional teams, and contribution to technical strategy. The successful candidate will play a key role in building and evolving modern applications, translating complex requirements into intuitive, maintainable solutions.
Job DutiesLead the full software development lifecycle, including design, architecture, development, testing, deployment, and ongoing maintenance
Design and develop scalable, secure, and high-performing full-stack applications
Build and maintain responsive, accessible, and user-focused front-end interfaces
Design and implement RESTful APIs and backend services using modern frameworks and best practices
Develop and optimize database structures, queries, and performance within SQL Server environments
Establish and maintain architecture standards, reusable components, and development best practices
Leverage cloud technologies to deploy, monitor, and scale applications in a reliable and secure manner
Collaborate with product, design, and engineering teams to translate business requirements into technical solutions
Contribute to sprint planning, technical decision-making, and overall product development strategy
Partner with QA and DevOps teams to support CI/CD pipelines, automated testing, and observability practices
Conduct research and evaluation of emerging technologies, tools, and AI capabilities
Support continuous improvement initiatives and contribute to technical standards across teams
Provide mentorship and technical guidance to other developers as needed
Bachelor’s degree in Computer Science, Software Engineering, or a related field
7+ years of professional experience in software development, including full-stack application design and delivery
Strong experience with modern front-end technologies (e.g., Angular, TypeScript, HTML, CSS)
Extensive backend development experience using C# and .NET frameworks
Solid experience working with SQL Server, including schema design, querying, and performance optimization
Strong understanding of software design principles, design patterns, and modular architecture
Experience working with cloud platforms and services, including application deployment and scaling
Familiarity with modern architectural approaches such as microservices, event-driven systems, or distributed applications
Experience working in Agile or Scrum environments with cross-functional teams
Strong communication, collaboration, and problem-solving skills
Ability to mentor and support team members in a technical capacity
Experience working in regulated environments, including considerations related to risk, compliance, or audit
Familiarity with automated testing frameworks and test-driven development (TDD)
Exposure to financial services or similar industries is considered an asset
Trevor Frances Recruitment is an equal opportunity employer committed to fostering an inclusive and accessible recruitment process. We welcome applications from all qualified individuals and will work with candidates to accommodate any accessibility needs throughout the hiring process.
Senior Full Stack Engineer • Markham, Ontario, .CA
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