Job Title: Senior .NET / Mobile Application Developer
Location: Toronto, ON
Work Arrangement: Onsite – 5 Days a Week
Contract Duration: 16 Months
Job Description
We are looking for an experienced Senior Software Developer to design, develop, implement, and maintain complex applications in a multi-platform environment.
The ideal candidate will have strong experience in cross-platform mobile application development, along with expertise in technologies such as Ionic, Cordova, Flutter, .NET, C#, JEE, Microsoft SQL Server, JavaScript frameworks, and Azure Cloud services.
The candidate will be responsible for developing scalable applications, enhancing existing features, integrating APIs, troubleshooting technical issues, and ensuring high-quality software delivery throughout the Software Development Life Cycle (SDLC).
Must-Have Skills
- Cross-Platform Mobile App Development
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5+ years of experience with cross-platform mobile application development.
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Hands-on experience with Ionic Framework, Cordova plugins, Google Flutter, or equivalent technologies.
- Application Development
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5+ years of experience designing, developing, and implementing complex interactive applications in a multi-platform environment.
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Experience with .NET, C#, JEE, Microsoft SQL Server, and JavaScript frameworks.
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Strong understanding of SOAP and REST web services.
Technical Skills & Requirements
Development Skills
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Experience with Azure Cloud services, including:
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Experience with XHTML, HTML5, JavaScript, jQuery, and AngularJS.
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Ability to develop web applications, web services (SOAP and REST), and Windows client applications.
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Experience developing and integrating APIs.
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Familiarity with Swagger, OpenAPI, Postman, and Apigee.
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Experience with multithreaded applications, Dependency Injection (IoC) frameworks, and concurrency patterns.
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Experience with code refactoring and optimization.
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Strong knowledge of object-oriented programming, design patterns, and architectural patterns.
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Ability to develop scalable applications using software design best practices.
Technical Skills
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Experience across the Software Development Life Cycle (SDLC) and Application Lifecycle Management.
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Experience with unit, performance, and load testing.
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Ability to translate business requirements into technical solutions.
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Knowledge of CI/CD pipelines and DevOps practices.
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Understanding of UI/UX design principles.
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Knowledge of security concepts, including authentication, authorization, encryption, digital signatures, PKI, and SSL.
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Experience with OAuth, JWT, SAML, OIDC, and Mutual TLS.
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Experience with version control systems such as Git.
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Troubleshooting, incident resolution, and post-implementation support experience.
Key Responsibilities
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Review existing application code and architecture and implement improvements to ensure modularity and scalability.
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Develop enhancements to existing features and build new features based on approved requirements.
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Translate technical specifications into functional and tested applications.
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Develop detailed programming specifications and write, maintain, and test code.
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Provide realistic development estimates to support project planning.
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Capture business requirements and update business rules accordingly.
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Follow structured development methodologies and software design best practices.
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Create custom reports using Microsoft technologies.
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Conduct application testing, integration, and deployment.
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Identify, analyze, and recommend solutions for production defects.
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Troubleshoot technical issues related to software implementation, conversion, and migration.
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Maintain clear technical documentation.
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Support the transition of developed applications to full-time resources.
General Skills
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Strong programming, analytical, and problem-solving skills.
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Experience working throughout the complete SDLC.
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Knowledge of Agile methodologies.
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Experience with object-oriented analysis and design.
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Strong communication and interpersonal skills.
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Ability to collaborate with technical teams and business stakeholders.
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Ability to manage multiple projects and meet deadlines.
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Experience working in large and complex environments.
Additional / Desirable Skills
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Experience developing internet-ready applications.
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Knowledge of Rapid Application Development (RAD) methodologies.
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Understanding of Information Management principles and practices.
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Experience with middleware and gateways.
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Experience reviewing and modifying product installation scripts.
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Ability to provide post-implementation support.
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Experience conducting design walkthrough sessions.
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Knowledge of Accessibility for Ontarians with Disabilities Act (AODA) and related standards.
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Ability to prepare user and system documentation.
