Nick Chang Email & Phone Number

Wayne, Pennsylvania, US

Burlingame, California, US

La Jolla, CA, US

* Lead development in a Business Intelligent tool built in React with Looker backend. Tasks included: added server-side sorting feature, migrated existing widgets to Material UI Widgets, (DateRangePicker and X-Grid), upgraded React, TypeScript, Material UI, and eslint versions.* Lead development in a healthcare supply inventory tracking portal built in.

New York, NY, US

Mentoring aspiring full-stack software developers in the following subjects, HTML, CSS, Javascript, jQuery, ReactJS, Node, ExpressJS, Sequelize, Knex, Postgres, MongoDB, JWT, Javascript testing framework, Data Structures, and Algorithms

Bethesda, MD, US

* Built data visualization apps on time series data using Angular and Python for the on-campus utility plant. * Built a command center / facility monitoring app for Current Good Manufacturing Practice for critical facilities.

Implemented record deduplication engine that uses the following algorithms, N-Gram, MinHashing, SoundEx, and Levenshtein.

* Maintain and implement features for a rule based provisioning engine that produces routerconfigurations.* Work collaboratively to maintain a front end system that produces DB changes to be consumed by the provisioning engine.

Arlington, VA, US

• Developed the company’s next generation flagship product in HTML5 - an enterprise portal and data visualization tool
• Worked in the development team to implement product's features, including Session Management, Password Policy, Visualization Widgets, Content Provisioning, etc. The product's frontend is using angularJS and the backend.
• Enhanced the core portal product by adding new features including product internationalization, cookie/session management, server side expression evaluation, third party database integration, etc.
• Developed product integration modules for various vendor's network application tools.
• Designed and implemented add-on components to the core product, such as custom LDAP authenticators, reporting tools, self service password reset module, etc
• Directly supported clients by customizing the product per client requirements and conducting training sessions to help clients to understand the portal software and gain the necessary skills to perform in-house.

• Developed a case management system (CM/ECF) for the Appellate courts using Java Servlet, JSP, Swing, and XML technologies. Duties involved analyzing requirements, creating detailed design documents, interacting with.
• Developed an Authentication Control System, using C# and.NET technology. Responsible for developing GUI tier; designing and building complex GUI components to control access to the data and to display the data using.
• Responsible for integration of hardware device drivers that are used to capture images from fingerprint capture devices and digital cameras.

Falls Church, VA, US

• Performed software development to support a data-mining product that is used by major financial services companies such as Merrill Lynch, Charles Schwab, and Salomon Smith Barney.
• Enhanced a Java GUI client for Best Execution Auditing and Monitoring System.
• Improved a data-mining engine by enhancing its sequence matching algorithm; duties including a full lifecycle development using Rational Rose, C++, Rogue Wave SourcePro, and interfacing with Oracle and Sybase databases.
• Enhanced a Java GUI administration tool for creating metadata for data-mining engine. Completed assigned tasks in half the allotted time.

• Software Engineer Consultant Helped rollout GE business-to-business trading web site
• Synchronized the business objects between web CommerceDesk database and legacy Clarify database using XML and GE enterprise messaging middleware.
• Implemented services in Java to process transactions using FTP, JDBC, and XML packages.

• Implemented Stock Order Audit Trail System (OATS). OATS supports electronic filing and web-based viewing of Nasdaq customer order information received from securities firms.
• Created S/MIME applications for secure e-mail transmission over the Internet, including implementing a decryption engine using RSA toolkit, building a POP3 client and a MIME parser, and interfacing with VeriSign.
• Designed and implemented solutions for trade record submission using Sterling Commerce's CONNECT:Direct.
• Utilized COM technology to implement ActiveX objects out of existing C++ classes for Web development.
• Developed, integrated, and tested the system in a client-server environment where ORACLE is the back end database.