Jim Caldwell Email and Phone Number

OCTOBER 2016 – FEBRUARY 2024SENIOR PRINCIPAL SOFTWARE ENGINEER, DELL TECHNOLOGIES (AUSTIN, TX) Designed and planned out for next generation of plugin-based utilities that will eventually be utilized by the majority of the company’s apps. This entailed working with engineers, product management, design, and managers and defining the tasks and estimates for the required effort. Architect for plugin-based utilities that included video, audio, presence detection, networking. The was designed to reduce the number of installed apps and services that typically were installed on Dell systems. Security consultant that required training, and applying best practices to each applicable aspect of the software that was being released. This included threat modeling, open source examination, analyzing protocol usage, OWASP, etc. Wrote Rugged Control Center v2.0-4.5. Wrote the backend service to handle elevated functionality. Handled json-rpc/gRPC marshalling of events. Wrote parts of the UI with WPF. Implemented extended GPS information, barcode scanning. Managed CI/CD and installation. Managed team of 3 developers and coordinated with marketing, validation, localization, and project management. Designing GPS tracking system with messaging queue and Web app to follow employees’ locations in order to facilitate scheduling. Cloud based with Azure.

Working on a mobile test automation engine designed to be used by DevOps (DevTest). The product supports iOS and Android. Supports recording and playback in a graphical context. Handles assertions for application verification. Works with simulators, real devices, and mobile cloud partners. Wrote all the Android management parts. Contributed to the open source project Appium, a mobile automation service. Designed gesture recording, screen differentiation, assertion handling, headless operation of test suites for CI testing. Designed session handling for simulators, real devices, and cloud. Added significant improvements to stability and ease of use. Implemented remote recording. Develop new designs to migrate test automation engine to be cloud-centric, using virtual and real devices. Help client troubleshoot issues and provide patch fixes as needed. Worked in Java, Android, iOS, node.js, javascript, perforce, and git.

Working as team lead on the Autobahn project that manages application publishing, deployment, upgrade, and access policies. Ranked #1 in banking software for 4 straight years. This product was deployed to over 150,000 users throughout Deutsche Bank globally. Responsibilities are to coordinate with development and project management, lead junior development, work on new features, lead troubleshooting, and refactor designs to improve performance, scalability, and the development process. Dealt with security details and penetration testing remedies. The product involved web services, web front end, and a desktop application. Tools and Environment: Java,Eclipse,Web Services,Spring,C#,.NET,Oracle DB,JDBC, Maven, jQuery.

Served as Team Lead on the design and implementation of a rule-based load management system for XenApp server, executed real-time server cluster analysis and assigned client connections based on rule configuration. Developed scalable subsystem to accommodate a 1000 server cluster using the distributed architecture of Citrix. Worked on management infrastructure for the XenDesktop virtualization product. This entailed both administration and server portions to provide advanced features to the admins such as delegation and auditing. I also implemented global policies using active directory. Added important functionality to thin client-server product XenApp Server. This entailed design, implementation, and advanced debugging. Specifically worked on server details that handled remote application ticketing for single sign on authentication, launching remote applications, and session manipulation. Also served a significant role of enhancing scalability problems and troubleshooting trapping and memory issues in large server clusters. Worked on session capturing feature which was a mechanism to audit remote sessions and the ability to play them back. Worked on an analysis and performance tool to discover metrics and problem areas in the main ICA protocol virtual channels. Added administration tools to monitor the performance and health of system Developed web portal system incorporating customizable content, user access control and secure remote application launching. Implemented schema design and backend logic for next generation product. Implemented substantial parts of front-end administration using WinForms and .NET. Designed and developed prototype multi-server installation manager for thin client server product, enabling cluster installation and configuration from a single location. Tools & Environment: C, C++, C#, Java, RPC, WinDbg, WPF, WinDbg, Powershell, Wix, Visual Studio, MSMQ, XML, ASP.NET, JavaScript, SQL, . ADO.NET, SOAP, HTTP, Ajax, jQuery

Designed and implemented features for communication package GroupWise 3.0, 4.0, and 5.0 releases for Windows and Macintosh. Developed mail storage and transmission and scheduled group appointments, mail server gateways, data presentation, and user interface.