Miranda Qi
Application Developer II
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About
Supported end-to-end SDLC delivery of enterprise mortgage applications, including analysis, development, testing, deployment, and production support in a regulated financial services environment Developed and enhanced C# .NET RESTful APIs to enable secure system-to-system integration between mortgage platforms and external client systems Performed production support and incident resolution, including root cause analysis, debugging, and preventative maintenance for Azure-hosted enterprise applications
Experience
Application Developer II - Nesto Cloud (formly known as Intellifi Inc.) - Markham, ON
(2022-10 - 2026-06)
- Supported end-to-end SDLC delivery of enterprise mortgage applications, including analysis, development, testing, deployment, and production support in a regulated financial services environment
- Developed and enhanced C# .NET RESTful APIs to enable secure system-to-system integration between mortgage platforms and external client systems
- Performed production support and incident resolution, including root cause analysis, debugging, and preventative maintenance for Azure-hosted enterprise applications
- Executed CI/CD-based deployments and release activities in alignment with enterprise change management, governance, and risk control processes
- Developed and optimized SQL Server queries, stored procedures, and SSRS reporting solutions to support business intelligence and operational reporting
- Collaborated with business analysts, QA, operations, and client stakeholders to translate requirements into technical specifications and production-ready solutions
- Provided 24/7 on-call support for mission-critical systems, ensuring high availability of batch processing, integrations, and financial data workflows
- Developed a C++ security utility to enforce access control policies and reduce unauthorized access to development environments
Full Stack Developer - Crane Supply - Vaughan, ON
(2021-09 - 2022-07)
- Developed internal enterprise applications using VB.NET and C#, improving operational workflows and reducing manual processing overhead
- Designed and delivered reporting and data solutions using Perl and SQL, enabling business stakeholders to gain actionable insights into sales performance
- Developed and maintained web services using ADO.NET for MySQL integration and backend system communication on Windows Server environments
- Led enterprise intranet modernization by upgrading Sitefinity from version 10 to 13.3, including framework upgrades, database connectivity improvements, and application refactoring
- Resolved 150+ application and system incidents through structured troubleshooting, Jira-based tracking, and cross-platform debugging (Linux/Windows)
- Conducted code reviews and contributed to improving system performance, maintainability, and adherence to engineering best practices
- Partnered with IT and business stakeholders to analyze requirements and deliver application enhancements aligned with operational needs
Quality Assurance Assistant - Ontario Ministry of Children, Community and Social Services - North York, ON
(2020-05 - 2020-12)
- Designed, developed, and executed comprehensive test plans, test cases, and testing processes using ALM, contributing to early defect detection, improved software quality, and successful audit outcomes
- Performed functional, regression, integration, and end-to-end testing to validate business requirements, verify system functionality, and ensure seamless application performance following deployments and enhancements
- Collaborated with developers, business analysts, and QA team members in Agile Scrum environments, participating in sprint planning, daily stand-ups, and defect review sessions to support timely project delivery
Education
Computer Programmer Diploma - Seneca College (2019-05 - 2021-04) Toronto, ON
BSc. with Honours Specialization - Psychology - Western University (2011-09 - 2015-04) London, ON