We are seeking a highly accomplished and multi-faceted Senior Full Stack Developer for an enterprise-level contract opportunity based in Toronto. In this role, you will lead development activities across the entire technology stack, specializing in building modern web applications, progressive mobile solutions, and high-performance cloud data architectures.
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As a senior technical leader, you will bridge the gap between frontend user interfaces and complex backend cloud services. Operating entirely onsite, you will take ownership of developing public-facing web channels, designing secure database architectures, and engineering optimized data pipelines. This role is ideal for a self-starter who excels at troubleshooting complex issues and independently delivering scalable, high-quality cloud solutions.
Location: Toronto, ON
Assignment Type: Onsite (5 days/week)
Contract Duration: 12 months (with potential for extension)
Advantages
Modern Tech Stack: Work directly with cutting-edge frameworks including .NET 9, ASP.NET MVC, and Blazor WebAssembly.
Cloud & Big Data Depth: Gain enterprise experience building public-facing portals integrated with Azure Cosmos DB and Databricks data lakes.
Full-Stack Ownership: Lead end-to-end development, from designing responsive mobile web views to engineering robust backend automation pipelines.
Collaborative Onsite Culture: Partner closely with cross-functional engineering, DevOps, and database teams inside a high-energy professional workspace.
Responsibilities
Full-Stack Web Engineering: Develop, debug, and maintain high-performance, secure web applications utilizing modern .NET and frontend architecture patterns.
Mobile & Progressive Development: Design and deploy Progressive Web Applications (PWAs) to optimize digital service delivery channels.
Automation & Scripting: Write clean, maintainable, and highly efficient script files to execute data processing, automation, and backend infrastructure tasks.
Cloud Data Architecting: Design and optimize data storage solutions, establishing secure connectivity with relational systems and advanced NoSQL data stores.
Data Pipeline Optimization: Build, tune, and manage high-throughput cloud data pipelines to support large-scale data acquisition, processing, and analysis workloads.
Infrastructure & Monitoring: Ensure cloud architectures are configured for maximum reliability and scalability, utilizing cloud diagnostics to monitor stack health.
DevOps Automation: Participate in building robust DevOps deployment pipelines and refining automated CI/CD release processes.
Quality & Code Governance: Participate in rigorous peer code reviews to enforce established engineering standards, security best practices, and compliance controls.
Tiered Troubleshooting: Triage and resolve complex application bottlenecks, data sync conflicts, and performance issues across both development and production environments.
Cross-Functional Collaboration: Act as a core technical liaison, collaborating with cross-functional squads to translate requirements into deployed technical assets.
Qualifications
Core Technical Requirements
Enterprise .NET Experience: 5+ years of professional full-stack development experience utilizing Microsoft .NET (C#) web architectures.
Modern Framework Mastery: Direct, hands-on experience building applications with .NET 9 (ASP.NET MVC and Blazor WebAssembly standalone) alongside relational and NoSQL frameworks.
Polyglot Scripting Skills: High proficiency in Python and JavaScript for executing advanced web application logic, data transformations, and automation.
Azure Cloud Architecture: Deep structural understanding and practical experience architecting solutions on the Azure Cloud platform.
Data Platform Engineering: 2+ years of dedicated experience building or optimizing cloud-based big data pipelines and distributed computing workloads.
Preferred Technical Capabilities
Advanced Cloud Infrastructure: Direct experience working with advanced cloud data integration suites, monitoring frameworks, and automated computation services.
Modern Database Connectors: Hands-on familiarity implementing specific enterprise data clients, including modern Cosmos DB and SQL data libraries.
Mobile Deployment: Familiarity with cross-platform mobile frameworks (such as .NET MAUI) and deploying applications to official application storefronts.
Accessibility Compliance: Functional working knowledge of building digital products that conform to strict digital web accessibility standards.
Professional Leadership & Soft Skills
Independent Execution: Proven capability to operate with absolute autonomy, demonstrating strong personal initiative and lifecycle self-management.
Performance Tuning: Exceptional problem-solving skills to troubleshoot complex stack defects and optimize databases or application code for maximum scale.
Communication Excellence: Outstanding written and verbal communication skills, with polished ease when presenting complex technical concepts to non-technical business line managers.
Summary
If you're interested in the Senior Full Stack Developer role based in Toronto, we encourage you to apply online at www.randstad.ca. Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!
Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.
Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.
This posting is for existing and upcoming vacancies.
show more
We are seeking a highly accomplished and multi-faceted Senior Full Stack Developer for an enterprise-level contract opportunity based in Toronto. In this role, you will lead development activities across the entire technology stack, specializing in building modern web applications, progressive mobile solutions, and high-performance cloud data architectures.
As a senior technical leader, you will bridge the gap between frontend user interfaces and complex backend cloud services. Operating entirely onsite, you will take ownership of developing public-facing web channels, designing secure database architectures, and engineering optimized data pipelines. This role is ideal for a self-starter who excels at troubleshooting complex issues and independently delivering scalable, high-quality cloud solutions.
Location: Toronto, ON
Assignment Type: Onsite (5 days/week)
Contract Duration: 12 months (with potential for extension)
Advantages
Modern Tech Stack: Work directly with cutting-edge frameworks including .NET 9, ASP.NET MVC, and Blazor WebAssembly.
Cloud & Big Data Depth: Gain enterprise experience building public-facing portals integrated with Azure Cosmos DB and Databricks data lakes.
...
Full-Stack Ownership: Lead end-to-end development, from designing responsive mobile web views to engineering robust backend automation pipelines.
Collaborative Onsite Culture: Partner closely with cross-functional engineering, DevOps, and database teams inside a high-energy professional workspace.
Responsibilities
Full-Stack Web Engineering: Develop, debug, and maintain high-performance, secure web applications utilizing modern .NET and frontend architecture patterns.
Mobile & Progressive Development: Design and deploy Progressive Web Applications (PWAs) to optimize digital service delivery channels.
Automation & Scripting: Write clean, maintainable, and highly efficient script files to execute data processing, automation, and backend infrastructure tasks.
Cloud Data Architecting: Design and optimize data storage solutions, establishing secure connectivity with relational systems and advanced NoSQL data stores.
Data Pipeline Optimization: Build, tune, and manage high-throughput cloud data pipelines to support large-scale data acquisition, processing, and analysis workloads.
Infrastructure & Monitoring: Ensure cloud architectures are configured for maximum reliability and scalability, utilizing cloud diagnostics to monitor stack health.
DevOps Automation: Participate in building robust DevOps deployment pipelines and refining automated CI/CD release processes.
Quality & Code Governance: Participate in rigorous peer code reviews to enforce established engineering standards, security best practices, and compliance controls.
Tiered Troubleshooting: Triage and resolve complex application bottlenecks, data sync conflicts, and performance issues across both development and production environments.
Cross-Functional Collaboration: Act as a core technical liaison, collaborating with cross-functional squads to translate requirements into deployed technical assets.
Qualifications
Core Technical Requirements
Enterprise .NET Experience: 5+ years of professional full-stack development experience utilizing Microsoft .NET (C#) web architectures.
Modern Framework Mastery: Direct, hands-on experience building applications with .NET 9 (ASP.NET MVC and Blazor WebAssembly standalone) alongside relational and NoSQL frameworks.
Polyglot Scripting Skills: High proficiency in Python and JavaScript for executing advanced web application logic, data transformations, and automation.
Azure Cloud Architecture: Deep structural understanding and practical experience architecting solutions on the Azure Cloud platform.
Data Platform Engineering: 2+ years of dedicated experience building or optimizing cloud-based big data pipelines and distributed computing workloads.
Preferred Technical Capabilities
Advanced Cloud Infrastructure: Direct experience working with advanced cloud data integration suites, monitoring frameworks, and automated computation services.
Modern Database Connectors: Hands-on familiarity implementing specific enterprise data clients, including modern Cosmos DB and SQL data libraries.
Mobile Deployment: Familiarity with cross-platform mobile frameworks (such as .NET MAUI) and deploying applications to official application storefronts.
Accessibility Compliance: Functional working knowledge of building digital products that conform to strict digital web accessibility standards.
Professional Leadership & Soft Skills
Independent Execution: Proven capability to operate with absolute autonomy, demonstrating strong personal initiative and lifecycle self-management.
Performance Tuning: Exceptional problem-solving skills to troubleshoot complex stack defects and optimize databases or application code for maximum scale.
Communication Excellence: Outstanding written and verbal communication skills, with polished ease when presenting complex technical concepts to non-technical business line managers.
Summary
If you're interested in the Senior Full Stack Developer role based in Toronto, we encourage you to apply online at www.randstad.ca. Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!
Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.
Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.
This posting is for existing and upcoming vacancies.
show more
