Zach Oxman's Email Addresses & Phone Numbers

📖 Summary

Lead Software Developer (Consultant) @ Huron • Led development and release of new multi-tenant healthcare consulting workflow system (deploying MVP to QA/UAT/PROD)• Helped refine requirements and achieve common understanding and consensus (support for new file uploads)• Found performance improvements of ~25-35% in LINQ query layer (MARS) and during code reviews (~8s, < ~ 1s)• Introduced strategy and mediation patterns and data provider layer (data processing of files, generic workflow steps)• Helped on-board new developers, conducted code reviews, helped define, refine and improve requirements• (C#, ASP.NET Core, Angular 5, Git, AWS, Azure DevOps) From July 2019 to February 2020 (8 months) Denver, COSenior Software Developer (Consultant) @ Charles Schwab • Helped launch new Schwab Intelligent Portfolios Premium™ product, with subscription-based billing model• Worked with team and across teams to deliver our commitments by hard-deadline, imposed by business (SEC)• Implemented in-memory client-side caching strategy for HTTP API service calls in Angular 5• Identified and improved Webpack build process, fixing stale hash based on unchanged config content• Peer programming, shadowing and mentoring of other developers• Helped cut on-boarding from ~2 months, to ~2 weeks and bring new developers up to speed on various teams• (C#, ASP.NET Core, MSTest, MongoDB, Angular 5, Jasmine, Git) From October 2018 to May 2019 (8 months) Denver, ColoradoLead Software Developer (Consultant) @ Expedia Group - HomeAway • Led development of new ASP.NET Core API, replacing legacy XSLT data processing, working across teams• Implemented comparison strategy and achieved 100% matching accuracy, and developed unit testing framework• Analysis and refactoring to support pricing engine integration into backend accounting system• Database data distribution, metadata and schema analysis and creation of local sandbox data for testing• Documentation and presentation of challenges and cross-team blockers and dependencies• Pulling apart tightly coupled code in legacy backend accounting system to facilitate new pricing service• (C#, ASP.NET Core, xUnit.net, SQL Server 2016, XSLT, SSRS 2016, Git) From February 2018 to October 2018 (9 months) Denver, COSenior Software Developer (Consultant) @ HomeSphere • New service-oriented enterprise architecture w/Azure Service Bus, new adapters and CI/CD plans• Angular 4-5 new development and SPA design, fixed routing and deactivation of components• Uncovered security vulnerabilities, IdentityServer4 auth token fix (from self-contained to reference)• .NET Core API build out, developed unit testing and mocking standards• (C#, ASP.NET Core, Angular 4-5, MVC, Entity Framework, TFS. Azure, IdentityServer4) From November 2017 to February 2018 (4 months) Lakewood, COSenior Software Developer (Consultant) @ TransUnion • New public facing site and multi-tenant API project• Front end Angular 2-4 new feature development and SPA design (attended Angular 2+ week long best practices boot camp)• .NET Core API build out, unit testing and mocking with high code coverage• (C#, .NET Core, MS SQL 2014, Angular 4, MVC, Entity Framework, TFS) From February 2017 to November 2017 (10 months) Englewood, COSenior Software Developer @ North American Bancard • Product security and PCI, stability, usability and performance improvements to payment gateway• Process improvements, shortening sprints from ~6 months to ~1 month and reducing bug counts• (C# .NET 4.5, MS SQL 2012, AngularJS, BreezeJS, MVC, Web API, WCF, Windows Services, Git) From August 2015 to February 2017 (1 year 7 months) Denver, COLead Software Developer @ SNL Financial • Improved business intelligence reporting product stability, usability and performance• Selected to contribute to key new deliverable, assigned to new team to take on leadership role• Participated in design and development of new API and MVC platform• (F# & C# .NET 4.5, MS SQL 2012, SASS, Ext JS, CoffeScript, SignalR, MVC, WCF, OData, Solr) From June 2013 to August 2015 (2 years 3 months) Englewood, COSr. Architect, IT Software (Consultant) @ DirecTV • Maintenance, performance tuning and new functionality for inventory system• MS database project implementation and guidance to facilitate database change management• Mobile application development for internal project management system• (C# .NET 4.0, MS Server SQL 2008, SSRS, JavaScript, jQuery Mobile, backbone.js, TFS) From October 2012 to June 2013 (9 months) Englewood, COSoftware Developer @ PaySimple • Revamped old notifications system, migrating from MS Unity to templatized master page system• Automated build process improvements and additions, e.g. improved logging, added build projects• (C# .NET 4.0, MS Server SQL 2008, NHibernate, MSBuild, MVC & ASPX, WCF, SVN) From March 2012 to October 2012 (8 months) Denver, COSenior Software Developer @ Lender Processing Services • Maintenance and new development of internal data processing systems and client facing websites• Single Sign On and 508 compliance project for OCC, Wells Fargo, U.S. Bank and others• (C#/VB .NET 2.0 - 3.5, MS Server SQL 2008, Web Apps, Console Apps, Windows Forms) From November 2009 to February 2012 (2 years 4 months) Denver, COSoftware Developer (Consultant) @ Private Equity Technologies, Inc. • Using SharePoint & WCF built document management system for Windows client application (C# .NET 3.5, MS Server SQL 2005, Windows Forms)• Added ability to save and load user defined financial reports using DevExpress pivot grids From April 2009 to October 2009 (7 months) Denver, COSoftware Developer (Consultant) @ The Society of Leisure Enthusiasts • Re-engineered CMS for startup in travel industry (LAMP, SVN, AJAX, JSON, EXTJS, FPDF)• Focused on refactoring database – normalized, standardized and expanded schema, transferred data to new schema, added indexes and stored procedures• Assisted in re-architecting project folder/file structure – greatly improved project maintainability From March 2008 to December 2008 (10 months) Denver, COLead Developer @ Fetter Logic • Led a small team in developing an online reporting application for Fidelity and others in the financial services industry (C#.NET 2.0, MS SQL Server 2005, AJAX)• Focused initially on requirements, design, implementation and Q/A• Promoted to team leader - delegating tasks, providing progress updates, ETA’s and SWAGs From February 2007 to December 2007 (11 months) Denver, COSoftware Developer (Consultant) @ Battle Scores, Inc. • Developed a competitive gaming portal site (PHP, MySQL, PostNuke)--- • Consulted with client on business objectives, site usability, layout and design--- • Learned and customized PostNuke to meet client’s request to use this technology--- • Optimized databases with millions of records (400%+ efficiency gains) From January 2006 to February 2007 (1 year 2 months) Denver, COSenior Software Developer @ IronSpark • Built various web applications – eCommerce, content management, file management system, etc• Lead on/off site effort to convert MS Access desktop app. to ASP.NET/MS SQL Server 2000• Transitioned through various technologies – ASP > VB.NET > DeKlarit From June 2000 to August 2005 (5 years 3 months) Denver, COSupervisor @ RSM US LLP • Led projects, managed client relationships, interviewed candidates, led presentations and demos• Brought in to help meet tight deadline, with meaningful contributions within a few weeks• Cleaned up ~145 project solution to load and build in Visual Studio• Developed new rules for complicated internal rule engine to improve system usability• Planning and grooming, bug fixing, story work, collaboration across teams, business demos• (C# 8, GIT, Azure DevOps, SQL Server, TFS, ASP.NET MVC, Knockout.js)• Led development of new responsive dealer portal web application• Met with client to establish and refine requirements and understand need• Created wireframes, built Angular 9 portal, using material, creating reusable components• Developed mock-api to facilitate development• (Angular 9, Material, Git, NetSuite, http-server, node, Postman)• Contributed to supplier portal angular 9 web application development• Added user management functionality, filtering and search capabilities and client-side auth• Coached others on Angular development - unsubscribing from observables, single responsibility for more reusable components, angular style guide and linting, structural directives, and more• (Angular 9, Material, Git, NetSuite, json-server, node, Postman) Denver, Colorado, United States