David Tin Email & Phone Number

Toronto, Ontario, Canada

• Provided technical leadership and guidance for development teams in Fulfillment byAmazon (FBA), Demand Forecasting and AWS Identities• Designed and developed scalable solutions to handle millions of products and customersworld wide.• Gathered and presented key technical and business metrics to the senior management team.• Established the short and long term technical roadmaps for development teams.• Improved daily and seasonal demand forecast of all Amazon products.• Led emergency forecasting project during the COVID-19 pandemic.• Built new system to automatically detect and delete poor performing forecasts.

Toronto, On

• Designed and developed all new payment methods and third party integrations in existing and new territories.• Developed the pricing and tax system supporting entire product catalog for all devices and platforms.• Mentored and trained senior developers on the architecture of the purchase and pricing systems.• Established the training material and development path for all new developers in the R&D department to accelerate growth and improve knowledge.• Reviewed all critical commits into the code base and provided comments and feedback for the author.• Managed relationships between Kobo and all third party payment service providers (Moneris, WorldPay, Redecard, HostedPCI, Givex, and Incomm)

Toronto, On

• Managed a team of developers and test engineers to complete sprint stories and meet business objectives.• Lead sprint planning and backlog grooming sessions for every sprint cycle.• Presented and demonstrated completed sprint stories to upper management and executives.• Participated in story writing and estimation sessions with product owner and architecture team.• Established career goals and objectives with each developer and provide

Toronto, On

• Maintained and improved the mobile API to support all of Kobo’s eReader and mobile devices.• Designed and developed the backend features needed to support new web features on kobobooks.com• Implemented new services and caching strategies to improve overall system performance.

Redmond, Wa

• Developed robust and efficient features for Office.Microsoft.com using C#, ASP.NET and Microsoft SharePoint 2010.• Developed fast performing and cross-browser compliant web features using JavaScript, AJAX, jQuery, WCF and CSS.• Created web services for the Office 2010 client application and the Office.Microsoft.com website.• Proficient with SQL Server 2008 management, queries and stored procedures.• Experienced with developing, reviewing and estimating product requirements

Toronto, On

• Designed informative and organized user interfaces using Windows Forms, Infragistics NetAdvantage for .Net, ChartFX and DevExpress XtraReports.• Established client-server communication throughout the product with web services and XML.• Provided a robust data access layer using SQL Server 2000/2005 and PostgreSQL.• Developed a powerful and secure online disaster recovery solution using ASP.NET, AJAX, JavaScript and CSS.• Involved in the creation of the architectural designs of specific subsystems in the products.• Experienced gathering and documenting new product requirements.