Christopher Rivas Email & Phone Number

Tampa, Fl, Us

Tampa, Fl, Us

Austin, Texas, Us

Austin, Texas, Us

Software Engineer at a software services company on a .NET based project in the education space

Westlake, Texas, Us

Senior Engineer on a small team working on a .NET based project

Austin, Tx, Us

At uShip I was a full stack web developer using wide array of technologies on multiple teams. I worked on the Payments team to decompose our monolith into a microservice architecture and migrate our payment solution to Stripe. I worked on one of enterprise teams to deliver features for our partner, DB Schenker. I worked with another team to build a backend for an experimental mobile project. I worked to look for performance bottlenecks on our backend to increase page load times and drive SEO.- Built cloud hosted microservices using .NET Core, NodeJS and AWS Lambda functions.- Built multiple front end components in React for SPAs.- Built A/B tests and incremental rollouts with Optimizely - Proved we could eliminate Paypal as a checkout option to cut costs- Worked as part of the payments team to migrate to Stripe for charges and withdrawals- Worked as part of an enterprise team to build microservice to maintain driver networks for DB Schenker- Led classroom style presentation on integration testing with in-memory hosting for .NET Core based Microservices- Built hundreds on unit, integration and end to end tests with multiple testing frameworks in C# and Node- Built webhook handlers to handle events from external partners

Austin, Tx, Us

I worked as the development lead on the company's next generation suite of mobile applications built on the Xamarin platform. As a highly effective member of a company with fewer than 30 employees, I filled multiple roles.- Served as scrum master for an agile/scrum development team where resources would not allow hiring a dedicated scrum master- Lead developer for native cross-platform iOS and Android applications using Xamarin.iOS and Xamarin.Android native APIs- Designed and implemented Android and iOS user interfaces using XML and XCode Storyboards- Beginning patent submission process for multiple innovations currently in development for the company’s new mobile applications- Designed and implemented RESTful web services using Microsoft WebAPI 2 and SignalR (WebSockets) for real-time mobile service communications- Spear headed the adaptation of unit testing and test driven development using XUnit, Moq and dependency injection across the company’s code base- Designed and implemented SMS module to communicate with cellular modems across COM and Ethernet- Built WCF based backend services for our main product

Austin, Tx, Us

Worked as a founding member of an engineering team built to re-architect the company’s flagship product, WIN-911, a mission critical alerting solution for industrial automation. I was the third developer to join the team. Our primary stack was MSSQL, WCF, and WPF/Silverlight. Our project successfully took over as the next generation version of our product.- Designed and implemented Google Glass prototype application using .NET and the Mirror API to gauge industry response at trade shows- Worked within an agile/scrum team while using Microsoft Team Foundation Server for Application Lifecycle Management- Assisted product support to incorporate user feedback into the development process- Designed and implemented XAML user interfaces in WPF and Silverlight using the MVVM design pattern- Built and designed WCF services for our product to build our product with a distributed Service Oriented Architecture- Built business objects and business rules using Component-based Scalable Logical Architecture (CSLA .NET.)- Wrote managed CLI/C++ and C# with COM Interop to interact with legacy third party assemblies- Used Microsoft Entity Framework and MSSQL for data access- Wrote software requirements for contract developers, served as technical liaison- Maintained iOS and Android applications written in Java and Objective-C- Managed company Google Play and Apple Developer accounts and app submissions- Built a state machine driven service to deliver interactive alerts over voice modems and VoIP with Speech Synthesis Markup Language (SSML)- Wrote XSLT to transform XML into HTML/plain text for emails, and SSML for voice calls

Austin, Tx, Us

As the twelfth member of the staff, I was hired in a dual QA/Technical Support role. I took the initiative to automate tasks for our office staff and build out our website after a relationship with a contractor fell through.- Developed an internal web application using PHP and MySQL to provide administration staff with access to customer license information- Developed an internal application to automate the update process for customer facing license information. This application updated an existing MySQL database from a dBase database- Developed a licensing application using PHP, MySQL, HTML and CSS to distribute key-based licenses for a Windows Mobile and Blackberry application- Rescued and completed an incomplete website based on Joomla, PHP and MySQL after a contract dispute left the company with an incomplete website- Wrote customer-facing documentation, e.g., user manuals, knowledgebase articles- Designed and performed white and black box software QA tests- Assisted customers with software integration over the phone and through email- Participated in design meetings as a customer advocate