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Added 10 mins ago
FY27 Intern - Design Automation & Quality Assurance Engineering Intern - Canada (16 months)
Qualcomm
Ottawa, ON
Full-time
Experience developing web applications, dashboards, or user interfaces using technologies such as React, Angular, or JavaScript.
Added 2 hours ago
New Grad: AI-Assisted Full-Stack Developer
CGI
Toronto, ON
Full-time
We are seeking an adaptable and tech-savvy Junior Developer to join our engineering team. This role is ideal for a recent graduate or a professional with 0–3 years of experience who…
Added 2 hours ago
QA Automation Engineering Consultant
CGI
Toronto, ON
Full-time
Experience testing applications developed using React or Angular.
Added 3 hours ago
Supply Chain Analyst - THD Order Management
Techtronic Industries Canada Inc.
Toronto, ON
Full-time
A successful candidate will have an analytical mindset, attention to detail, proficiency in Microsoft Excel, and be able to react quickly to challenges.
Added 3 hours ago
Java Fullstack Architect
Avanciers Inc.
Mississauga, ON
Full-time
Provide technical leadership for solutions built using Java, Spring Boot, React, Kafka, and Oracle.
Added 3 hours ago
Backend Engineer, Client Portal
EvenUp
Remote, Canada
$152,660 to $214,475 USD / year
Full-time · Remote
Bonus: experience with React/Typescript and experience in AI, legal tech, and social impact projects.
Added 3 hours ago
Développeur C#.NET (Senior)
SII Canada
Montreal, QC
Full-time
Added 4 hours ago
Senior Technical Support Engineer
Sentry
Remote, Canada
$125,000 to $150,000 USD / year
Full-time · Remote
…Technical Lead for our Agentic Ops. You ensure that when a developer asks a complex question, our systems have the right context and a seamless "Human-in-the-Loop" path to you when deep,…
Added 4 hours ago
Product Engineer
RaiseDesk
Remote, Canada
Full-time · Remote
Proficiency with TypeScript and a modern front-end framework such as React or Next.js
Added 4 hours ago
Senior Software Engineer II, Full Stack - Growth (Hybrid)
Homebase
Toronto, ON
$175,000 to $205,000 USD / year
Full-time
Strong full-stack development skills with Rails + React (or equivalent modern stacks).
Added 5 hours ago
Senior Manager, Video Production
St. Joseph Communications
Toronto, ON
$80,000 to $90,000 CAD / year
Added 6 hours ago
Développeur C#.NET (Senior)
Groupe SII
Montreal, QC
Full-time
Added 6 hours ago
Full Stack Developer
Lasso Informatics
Montreal, QC
Full-time
We are hiring a Full Stack Developer to design, build and maintain the applications and services behind the platform. You will work across the stack, from frontend components to backend…
Added 6 hours ago
Senior Full Stack Engineer (React / NestJS / Azure)
Resonaite
Markham, ON
Contract
Our client is seeking a contract based Senior Full Stack Engineer focused on bujilding APIs and modern web applications using React, NestJS, and Azure cloud services.
Added 6 hours ago
Senior Java Microservices Engineer
Publicis Sapient
Calgary, AB
Full-time
…Microsoft Copilot, Cursor, Claude Code, or similar tools to improve developer productivity and software…
Added 7 hours ago
Front End Developer
J&M Group
Toronto, ON
Full-time
Architecture: Maintain Single Page Applications (SPAs) with modern React patterns, Hooks, and Context API.
Added 7 hours ago
Retail Operations Lead
PetSmart
Calgary, AB
Full-time
Ability to react under pressure and maintain composure.
Added 7 hours ago
Senior AI Engineer - Evisort AI
Workday
Vancouver, BC · Canada, BC, Vancouver
Full-time
Familiarity with full-stack development - building web UIs (e.g., React, TypeScript) and backend services/REST APIs in Python (e.g., FastAPI, Django)
Added 7 hours ago
Counter Sales Representative
Bumper To Bumper Auto Parts
Sault Ste. Marie, ON
Full-time
Work with the management team to react to customer service issues, customer complaints, and/or business opportunities
Added 7 hours ago
Manager, Enterprise Systems & Data Integration - UGH - FT Admin
Humber College
Toronto, ON
…Drupal, Linux, Docker, and modern application frameworks (e.g., React, Angular,…
Added 7 hours ago
Supply Chain Analyst - THD Order Management
TTI, Inc.
Toronto, ON
Full-time
A successful candidate will have an analytical mindset, attention to detail, proficiency in Microsoft Excel, and be able to react quickly to challenges.
Added 7 hours ago
Agentic AI Lead Engineer - Vice President
Citi
Mississauga, ON
Full-time
Design and optimize multi-tenant intelligent agents using modular orchestration patterns - including ReAct and ReWOO - to power scalable, production-ready agentic workflows.
Added 7 hours ago
Counter Sales Representative
Bumper to Bumper Canada
Sault Ste. Marie, ON
Full-time
Work with the management team to react to customer service issues, customer complaints, and/or business opportunities
Added 7 hours ago
Software Developer
Spait Infotech
Canada
Full-time
Experience with frameworks such as Spring Boot, .NET, React, Angular, Node.js, or Django.
Added 7 hours ago
Frontend Developer
Apptoza Inc.
Toronto, ON
Contract
Architecture: Maintain Single Page Applications (SPAs) with modern React patterns, Hooks, and Context API.

SII Canada

Développeur C#.NET (Senior)

Montreal, QC, Canada

Job type: Full-time
Apply by: Oct 30, 2026
Posting language: English · French
Posted: Sep 30, 2026

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Applications open in a new tab.

Original job description

English section of this bilingual listing.

You will contribute to the entire software development lifecycle, from requirements analysis to production support, while applying software engineering best practices and working within an Agile team.

Design, develop, and maintain mission-critical applications using C# and .NET technologies.
Participate in solution architecture, technical analysis, and system design activities.
Develop high-performance multithreaded applications.
Perform testing, deployment, and production support activities.
Collaborate with stakeholders in an Agile delivery environment.
Contribute to the continuous improvement of development and delivery processes.

Profile

Minimum 8 years of experience in software development using C# and .NET.
Strong experience with multithreaded application development.
Excellent knowledge of Microsoft Azure services.
Strong SQL database expertise and performance optimization skills.
Experience with Angular and/or React.
Hands-on experience with DevOps tools and practices including Git, Jenkins, Docker, and Kubernetes.
Solid understanding of software design principles and development best practices.

Nice To Have

Experience with Elastic Search.
Knowledge of monitoring and observability tools such as Grafana.
Experience in capital markets, collateral management, or banking environments.
Knowledge of exchange-traded products, including equities and futures.

Read the full bilingual original

Missions

Dans le cadre d’un projet d’envergure dans le secteur bancaire, vous participerez à la conception, au développement, aux essais et au déploiement d’applications critiques au sein d’un environnement Azure Full Stack.

Vous contribuerez à l’ensemble du cycle de développement logiciel, de l’analyse des besoins jusqu’au support en production, en appliquant les meilleures pratiques de développement et en évoluant au sein d’une équipe Agile.

Responsabilités

Concevoir, développer et maintenir des applications critiques basées sur les technologies C# et .NET.
Participer à l’architecture, à l’analyse technique et à la conception des solutions.
Développer des applications performantes dans un environnement multithread.
Assurer les tests, le déploiement et le support des applications en production.
Collaborer avec les différentes parties prenantes dans un contexte Agile.
Contribuer à l’amélioration continue des processus de développement et de livraison

Profil

Minimum de 8 années d’expérience en développement logiciel avec les technologies C# et .NET.
Solide expérience en développement d’applications multithreadées.
Excellente maîtrise des services Microsoft Azure.
Forte expertise en bases de données SQL et optimisation des performances.
Expérience avec Angular et/ou React.
Bonne connaissance des outils et pratiques DevOps : Git, Jenkins, Docker et Kubernetes.
Maîtrise des principes de conception logicielle et des bonnes pratiques de développement.

Atouts

Expérience avec Elastic Search.
Connaissance des outils de surveillance et d’observabilité tels que Grafana.
Expérience dans les marchés financiers, la gestion des garanties (Collateral Management) ou les services bancaires.
Connaissance des produits négociés en bourse, notamment les actions et les contrats à terme (futures).

Responsibilities

As part of a large-scale banking project, you will be involved in the design, development, testing, and deployment of critical applications within a Full Stack Azure environment.

You will contribute to the entire software development lifecycle, from requirements analysis to production support, while applying software engineering best practices and working within an Agile team.

Design, develop, and maintain mission-critical applications using C# and .NET technologies.
Participate in solution architecture, technical analysis, and system design activities.
Develop high-performance multithreaded applications.
Perform testing, deployment, and production support activities.
Collaborate with stakeholders in an Agile delivery environment.
Contribute to the continuous improvement of development and delivery processes.

Profile

Minimum 8 years of experience in software development using C# and .NET.
Strong experience with multithreaded application development.
Excellent knowledge of Microsoft Azure services.
Strong SQL database expertise and performance optimization skills.
Experience with Angular and/or React.
Hands-on experience with DevOps tools and practices including Git, Jenkins, Docker, and Kubernetes.
Solid understanding of software design principles and development best practices.

Nice To Have

Experience with Elastic Search.
Knowledge of monitoring and observability tools such as Grafana.
Experience in capital markets, collateral management, or banking environments.
Knowledge of exchange-traded products, including equities and futures.

Partenaire technologique de grandes entreprises depuis 1979, le Groupe SII est au cœur de l'économie de l'innovation, avec 16 000 employés, une présence internationale dans 20 pays et un chiffre d'affaires dépassant 1,621 milliard de dollars canadiens.

SII Canada offre à ses clients une expertise technique de pointe dans les domaines du développement d'applications, du web et du mobile, de la cybersécurité et du cloud computing. Nous fournissons également des services d'ingénierie, notamment pour les systèmes embarqués dans divers secteurs industriels. Notre ambition est de faire progresser les systèmes d'information et de contribuer à la création des produits et services de demain pour nos clients.

De plus, l'inclusion est au cœur de notre culture d'entreprise. SII Canada s'engage à offrir un environnement de travail équitable et respectueux qui favorise la diversité et l'égalité des chances

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More about this job

Responsibilities

Design, develop, test, deploy, and maintain mission-critical C# and .NET applications in an Azure environment, contributing across the software development lifecycle from requirements analysis through production support. Participate in architecture and technical design, collaborate with stakeholders in an Agile team, and improve development and delivery processes.

Requirements

Requires at least eight years of C# and .NET software development experience, including multithreaded applications, Microsoft Azure, SQL databases and performance optimization. Candidates should also have experience with Angular and/or React, Git, Jenkins, Docker, Kubernetes, and software design best practices; capital markets, collateral management, banking, Elastic Search, and Grafana experience are advantageous.

Skills

C#
.NET
Multithreaded Application Development
Microsoft Azure
SQL
Database Performance Optimization
Angular
React
Git
Jenkins
Docker
Kubernetes
Software Architecture
Agile
Application Testing
Production Support

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET
Microsoft Azure
Full-Stack Development
Multithreaded Applications
SQL
Database Performance Optimization
Angular
React
Git
Jenkins
Docker
Kubernetes
Software Architecture
Technical Analysis
Agile
Application Testing
Deployment
Production Support
Continuous Improvement
Elastic Search
Grafana
Monitoring
Observability
Capital Markets
Collateral Management
Banking
Equities
Futures

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