Billy Sun Email & Phone Number

United States

Redmond, Washington, Us

Managed a $2.3M portfolio of Developer Support contracts, driving customer adoption of Cloud and AI solutions in alignment with Microsoft’s strategic objectives.Supported Ernst & Young in designing and implementing solutions across on-premises, M365, and Azure environments, ensuring seamless AI adoption and effective knowledge transfer to meet customer goals.Led a team of five Enhanced Designated Engineers across multiple service lines, resolving customer challenges, achieving fiscal year targets, and ensuring high levels of customer satisfaction.Collaborated with Customer Success Account Managers (CSAMs), Specialist Team Units (STUs), and Cloud Solution Architects (CSAs) to identify and pursue new business opportunities, ensuring accurate forecasting and successful execution.Partnered with Account Technology Units (ATU), Customer Success Units (CSU), and Product Groups (PG) to resolve customer issues efficiently and drive continuous improvement.Achievements:Expanded Ernst & Young’s Developer Support contract from ~$125K to ~$2.3M by building trust, delivering exceptional value, and becoming a trusted advisor.Aligned Big 4 CSAMs with organizational requirements, streamlining processes to drive success.Promoted to Level 64 within the first five years at Microsoft.

Redmond, Washington, Us

Redmond, Washington, Us

Seattle, Wa, Us

Primary responsibilities included leading a team of consultants to maintain and develop mobile solutions for various Fortune 500 companies. Worked closely with the Practice Area Lead to expand client footprint in media, healthcare, and retail sectors.Designed and prototyped solution to mobilize a public facing website for a major insurance company.

New York, Ny, Us

Designed and developed Openlink’s first mobile application using ASP.NET MVC 4/jQuery Mobile, target specifically to the iPad/iPhone platform. The primary function of this mobile application is to empower Openlink Findur users to access Trade Process Management reports via mobile devices.Interacted with various Development/Business teams on daily basis to ensure development cycle continuity.Maintained and developed the existing desktop framework for Openlink award winning E/CRTM applications; Findur and Endur. The desktop framework was written in C/C++/C# and was to be used by all vertical applications within Findur/Endur suite.Developed GUI elements to renew the existing Power Trading platform.Developed various APIs to expose core functionalities to external components.

Seattle, Washington, Us

Procter & Gamble – Managed a team of offshore .NET developers to develop and maintain Procter & Gamble’s Promotion Planning application. The application is a WinForms/Smart Client written using .NET 3.5 frameworks. It takes advantage of SQL CE engine/Custom Sync Framework to achieve mobility.Jefferies – Designed and developed a Silverlight application UPT for the Jefferies’ Global Forefront Identity Management Project. The application was developed using Silverlight WCF RIA framework for simplicity, and took advantage of the MVVM pattern and Microsoft RIA best practices. The application empowers Help Desk personnel to provision user without the need of accessing neither Activity Directory (AD) nor Forefront Identity Manager Portal (FIM).Pfizer - Led a team of 2 developers to refactor and improve the companywide Intranet portal. The portal provides self-service capabilities such as password reset, WIFI reconnection, etc. The portal was developed using ASP.NET and AJAX.ExpressScripts - Designed and developed an online wellness scheduling utility for a major pharmaceutical firm. Wellness Scheduling Utility (WSU) is a web based scheduling system that empowers Human Resources department to schedule wellness events with ease. By streamlining dispersed scheduling tasks into workflow, WSU simplifies the overall scheduling process. WSU was written in Microsoft ASP.NET with AJAX enabled on the presentation layer. It interacts with Microsoft Exchange using EWS to queries attendees’ availability and send invitation.Avanade - Led a team of 3 developers to develop an Intranet content builder tool. The tool was developed using WPF and various Enterprise Application Blocks. The tool processes xml input generated from SharePoint and output ASP.NET content for the company worldwide intranet portal.Also, re-architect a training courseware for internal training. The courseware was developed using ASP.NET and take advantage of various Enterprise Application Blocks.

New York, Us

AIG Investments is now PineBridge Investments.Lead a team of six senior .NET developers to re-architect EPIC, the core equities research applications at AIG/PineBridge Investments. EPIC is an n-tier, distributed SmartClient application, takes advantage of the latest .NET technologies and various MS Application Blocks. At the core, EPIC uses a modified CSLA framework which is developed in-house, to gain object mobility between various tiers. The modification eliminated unnecessary many MS Application Blocks artifacts, lowered the cost of ownership and improved the total application response time by 100%. Simplified the original business models design, such as Valuation and Empirical Valuation, so that models are dynamically configurable. This re-architecture has improved the overall application maintainability and allows the application to adopt newer business models with ease. Designed, modified and implemented the CSLA.NET framework to include asynchronous plumbing and UI Home pattern.Established coding guidelines and implemented iterative SDLC within the team.Provide mentoring to team members from basic coding structure, best practices and especially on design patterns such as Strategy, Template and Home. Lead a team of SharePoint developers to develop and maintain the company wide MOSS portal.Designed and developed various MOSS applications for many departments. These applications include Compliance Approval Process, Corporate Treasury EFT, PMO and Trade Error Reporting.Successfully launched EPIC to production. Successfully transited the MOSS environment from AIG to PineBridge Investments.

New York, Ny, Us

Architected and designed an n-tier, distributed framework for the next generation of BlueCherry, a very successful commercial grade ERP system. The legacy BlueCherry was written in VFP and was targeted specifically for the apparel industry. A newer framework was required thus BlueCherry.NET can be expanded to other industries with ease. The framework was developed using .NET 2.0 and adopt latest Microsoft Workflow Framework on the server side for business processing. The framework included various sub-systems and all were driven by metadata. The goal was to expedite the development effort and enable application developer to describe domain solution without writing much code, but metadata. Designed and developed metadata driven WinForm UI framework. The framework uses the Strategy Pattern heavily and enables 500+ data entry forms to be generated using just a single base class. Form’s behavior is injected to the base class during runtime. Both Command and Template Pattern are also used in various operations within the class. The framework has shortened the entire project timeline for more than 20%.Architected and designed an Enterprise Portal Solution to consolidate BlueCherry.NET with a suite of CGS applications written in ASP.NET and other technologies. The EPS was deployed as a Smart Client using Microsoft ClickOnce technology. Followed Microsoft best practice guidelines in all area of SDLC and utilized design patterns where possible.Successfully demonstrated BlueCherry.NET in CGS held user conference for two consecutive years.Successfully developed Form Generator where all data entry forms, 500+, are generated using metadata. The engine has shortened the entire project timeline for more than 20%.

Wayne, Pa, Us

Designed and developed a Hedge Fund Accounting Framework using .NET technologies. The Framework was written in C# and it was one of the foundations for the InvesTier’s core engine. Also designed and developed APIs, which to be utilized by both internal and external development.Produced architectural documentation in UML and .CHM, using Visio, Visual Studio 2005 Beta 2 and NDoc.Evaluated various products like obfuscator, Microsoft Enterprise Application Blocks and made essential recommendation.

Designed and developed a patient tracking and nursing documentation system for major Northern New Jersey hospital groups to improve physician and nursing productivity.Designed and developed a hospital facility charges capturing sub-system to accurately measure facilities usage on patient and eliminate on-going billing negligence.Exercised XP methodology where possible to improve process cycle. Worked closely with Domain Expert and Business Analyst for requirements gathering.Provided technical expertise to team members in all phases of development life cycle. Trained junior developers and provided guideline where necessary.

Designed and developed a multipurpose CIS correlation system to tracks customers’ activation, services acquired and equipments sales. Incorporated a sub-system where periodic status report is generated for better customer services. The return customer ratio has increased 45% since inception. The system is developed using ASP.NET with code-behind C#. Designed and prototyped an added-value WAP entertainment suit where customer can access it via GSM devices. The suit is developed using Microsoft Mobile Toolkit and 25% of mobile devices are tested and achieved favorable result.

Bethpage, New York, Us

Designed and implemented Tivoli Policy Region and Profile Manager hierarchy for the Integrated Network and System Management project. Developed various tools and utilities using C and PERL on Windows NT platform, that co-working with the Tivoli Event Console, Tivoli Inventory, and Tivoli Software Distribution, to manage in-house data warehouse, digital set-top box and enterprise wide desktops. Designed test script and tested Tivoli products for Y2K compliance and achieved favorable results.

New York, Ny, Us

Designed and developed new client distribution method for Tivoli TME 10 Framework specific to Merrill Lynch standard using InstallShield 5.1. Designed and developed Avatar 2.0, a JAVA applet, to enhance traditional Tivoli Event Console monitoring.

Developed and managed 4 automation systems, running IBM AIX, QNX, OS2 and Windows, in three geographical locations.Developed analytical tools using Tandem TACL and C, to assist Operations staffs for troubleshooting on-line problems and drastically reduced the Mean Time to Recovery ratio.Developed “The Launcher”, using C to consolidate all Tandem systems and applications runstreams to eliminate human error and achieved zero Mean Time of Error.Developed “The Hardcopy”, using TACL to eliminate all paper consoles and saved the company more than 65% in paper expense.100% automated the daily batch cycle.

It was over 20+ years ago. I don't remember what I did there.