Available to hire
Hi, I’m Stan Kolker. I am a results-driven IT developer with extensive experience across the full Software Development Life Cycle (SDLC). I enjoy collaborating with business analysts and project managers to gather requirements and deliver customer-focused solutions, from analysis and design through development, testing, and deployment.
I specialize in building scalable web applications using C#, ASP.NET Core, Entity Framework, and modern front-end technologies like HTML5, CSS, JavaScript, jQuery, and Bootstrap. I’m a fast learner, adaptable to new challenges, and I thrive in both independent and team environments, consistently delivering maintainable, secure, and high-performance software.
Language
English
Fluent
Work Experience
Senior Software Developer at Momentuum/Celerity One Inc., Toronto
January 1, 2022 - PresentUtilized agile methodology in software development, participating in requirement analysis, prototyping, design, coding, testing, and implementation. Developed and enhanced project management tools for client management, intake processes, document organization (Dropbox API), and workflow automation for trustee firms and insolvency teams in Canada. Built a custom dynamic questionnaire system for trustees integrated with CRM to streamline client data management, and designed a survey system enabling users to create dynamic surveys with customizable question types. Rebuilt a case management web platform to streamline support workflows for municipalities and improve regulatory compliance. Migrated a classic ASP application to .NET Core to reduce maintenance overhead and improve performance. Implemented Dapper for efficient data access, and created interactive data visualizations with Chart.js to illustrate sales trends. Worked closely with designers, QA testers, and other stakeholders to de
Senior Software Engineer at eCapital Corp., Remote
January 1, 2020 - January 1, 2022Led SDLC activities in a team of eight developers to design and build two enterprise systems from the ground up. Developed a fully customized Client Management System (CMS) for client and account management, invoicing, debt tracking, reporting, and administration; and a Trucking Management System (TMS) enabling real‑time load tracking, driver payments, and reduced paperwork. Integrated a Credit Search Tool using eCapital data to improve business insights. Designed and developed using ASP.NET Core MVC with EF Code-First, Repository pattern, RESTful Web API, and an N‑Tier architecture. Implemented server- and client-side validations, AJAX, authorization/authentication, and robust exception handling to ensure security and reliability.
Software Developer Team Lead at GS1 Canada, Toronto
January 1, 2015 - January 1, 2020Gathers and analyzes business requirements for web-based projects from internal stakeholders, builds task lists, and allocates resources for successful delivery. Built and redesigned web apps for retailers and vendors across Canada, converting legacy ASP.NET applications to C#. Implemented a dashboard-style ASP.NET Core Razor UI with DI, EF Core, identity management, and reusable UI components. Created tools for Dynamics CRM and Great Plains integration, and a discrepancy reporting tool to track issues, resolutions, and dynamic dashboards. Mentored developers, led Agile sprints, and collaborated with product owners to clarify requirements and estimate enhancements, while migrating legacy systems toward more secure architectures.
Senior Software Developer at GS1 Canada, Toronto
January 1, 2008 - January 1, 2015Developed and maintained web applications using ASP.NET MVC and related technologies. Collected and analyzed business requirements, improved QA tooling, and created internal tools to streamline operations. Migrated ASP.NET Classic to C# and contributed to design, testing, and documentation. Built tools to interact with Dynamics CRM and Great Plains, created a discrepancy reporting tool with dynamic dashboards, and supported QA/Test teams with efficient testing utilities. Mentored teammates and managed teams using Agile methodologies, guiding design decisions and architecture evolution.
Web Developer at Pitney Bowes “Digital Cement”, Toronto
January 1, 2006 - January 1, 2008Worked on large-scale, customer-facing application websites for Kraft Foods, FedEx, General Mills, Bell, and others, using C#, ASP.NET, JavaScript, and SQL Server. Led key projects such as the Kraft Foods Key Influencer web app and General Mills Everyday Celebrations website, delivering scalable features used by millions. Developed custom controls and user controls for reusable UI components and helped establish development standards and documentation.
Technical System Analyst at RBC Finance Group, Toronto
January 1, 2005 - January 1, 2006Automated build, package deployment, and testing cycles by developing tools to remotely install/uninstall Windows Installer MSI files across 50 servers using C# and WMI. Built a product test unit tool and authored a user manual for ops staff. Created a program to replicate source code management files between repositories, leveraging XML configurations to automate offshore database synchronization.
Senior Software Developer at Momentuum/Celerity One Inc.
January 1, 2022 - PresentLed agile development across the SDLC, delivering enhanced client management and workflow tools, integrating Dropbox API for document organization, building dynamic questionnaires, and migrating legacy ASP to .NET Core to boost performance. Implemented Dapper for data access and ensured robust security and scalable design.
Senior Software Engineer at eCapital Corp.
January 1, 2020 - December 31, 2022Co-designed and developed two enterprise systems, including a Client Management System and a Trucking Management Software. Implemented ASP.NET Core MVC with EF Code-First, Repository Pattern, RESTful/Web API services, server/client validations, and authentication/authorization. Enhanced performance with AJAX-based partial updates and data integration.
Software Developer Team Lead at GS1 Canada
January 1, 2015 - January 1, 2020Gained requirements, built web apps for retailers and vendors across Canada; migrated from ASP.NET Classic to C#, redesigned internal apps with ASP.NET Core and Razor Views, and implemented DI, EF Core, and UI components. Led tooling for Dynamics CRM and Great Plains integrations and mentored junior developers within Agile teams.
Senior Software Developer at GS1 Canada
January 1, 2008 - January 1, 2015Developed and maintained web applications using ASP.NET MVC; led modernization efforts including migration from legacy ASP; built dashboards and tools to improve data interaction with vendors and retailers; mentored developers and supported QA and project management processes.
Web Developer at Pitney Bowes “Digital Cement”
January 1, 2006 - January 1, 2008Tuned large-scale customer-facing apps for Kraft Foods, General Mills, and others. Built in C#, ASP.NET, JavaScript, and SQL Server; created reusable controls and documented standards to improve development efficiency and consistency.
Technical System Analyst at RBC Finance Group
January 1, 2005 - January 1, 2006Automated daily build/deploy/test cycles; developed a Windows Installer MSI remote management tool across 50 servers; built QA tooling and documentation to streamline operational support and offshore replication tasks.
Education
Diploma at Seneca College, Toronto
January 11, 2030 - January 1, 2007Diploma at Seneca College, Toronto
January 1, 2007 - January 17, 2026Qualifications
Industry Experience
Software & Internet, Retail, Professional Services, Government, Education
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