Jack Unrau Email & Phone Number

Denver, Colorado, United States

Denver, Colorado, United States

• Technical lead for software engineers in the Integrated Payments Back Office department.
• Provide technical architecture, do greenfield/POC development, and provide technical direction for new projects, and hand off to senior-level engineers, both on- and offshore.
• Build frameworks to enable other engineers to accelerate development and eliminate duplicated effort across applications.
• Research new technologies and provide input to architecture roadmap for department.
• … Show more
• Developed coding standards for department.Key achievements:

Denver, CO

• Vantiv acquired the prepaid processing platform from Springbok’s bankruptcy. Technical lead on development team, responsible for architecting, designing, and developing new applications in addition to those acquired.
• Inventor on eight granted patents, and five pending for the platform.
• Created job scheduler for scheduling and running parameterized jobs. Used the Managed Extensibility Framework so that jobs could be discovered and managed independently of each other.
• Architected and developed telemetry subsystem to provide metrics, logging, and system health for the prepaid platform. Telemetry data allowed for quick troubleshooting, performance monitoring, and overall health of the.
• Designed and developed business rules engine for the transaction processor to apply rules to prepaid card transactions based on transaction content, velocity, and product configuration.
• Enhanced dashboard to include management and monitoring for all components on the prepaid platform, including card transactions, web service calls, and job runs.

• Technical lead on development team, responsible for architecting, designing, and developing new applications. Mentored other members of the development team. Architected and developed services layer and user interface.
• Real-time transaction processor architecture allowed for an arbitrary number of additional processors to be pooled at run-time to achieve load balancing and a high degree of scalability without using a third party load.
• Used WCF for communication layer between Windows services and dashboard user interface enabling duplex, real-time communication between all system components.
• Dashboard user interface provided real-time performance and exception monitoring, and administrative functions.
• New architecture increased overall transaction processing throughput by five times with half the number of servers as the old architecture required. Show less

• Lead member of the development team architecting and building a services layer for paper-based remittance processing system using Microsoft.NET technologies. System was to replace legacy VB6 applications, but provided.
• Designed and developed a plugin system so that the… Show more Lead member of the development team architecting and building a services layer for paper-based remittance processing system using Microsoft.NET.
• Designed and developed a plugin system so that the software could use pluggable components to allow for customer-specific functionality and for component updating without modifying core code.
• Developed components utilizing the WF Rules Engine so that core software could remain static, but use changeable, declarative business rules.
• Created clonable services so that legacy COM and third party components could be isolated in their own process. Show less

• Lead member of the development team designing and building a custom SOA-based ERP for prepaid debit cards; was technical lead for product and card management ERP modules. Designed and developed all tiers for modules.
• Built proof-of-concept for next-generation ordering module… Show more Lead member of the development team designing and building a custom SOA-based ERP for prepaid debit cards; was technical lead for product and card.
• Built proof-of-concept for next-generation ordering module using new.NET 3.5 data-bound controls and AJAX controls for a rich and responsive user experience.
• Used LINQ-to-SQL and stored procedures to rapidly develop data access layers. Show less

• Member of the development team building secure connection management software for mobile PC users in C#. Technical lead for design and development of client, as well as developer for the server application; coordinated.
• Implemented client application using Windows service and WinForms UI to create an asynchronous, message-based connection management system to control the user’s network connectivity and security.
• Consumed web services from policy management and distribution servers so that administrators could remotely update users’ connection and security policy, and from QOS server to track client usage and statistics.
• Created custom-drawn WinForms UI elements, and localized application in English and Japanese.
• Developed hardware management code using C# and C++ and substantial use of Windows APIs to control 802.3 and RAS/modem devices, as well as printing and removable media. Show less

Contractor at Gateway

• Key member of the development team building custom functionality into Siebel; enhanced Siebel CRM software, and participated in entire development cycle including needs assessment, design, development, and testing..
• Extended Siebel core functionality by developing COM DLLs and custom ActiveX controls deployed with Siebel, as well as extensive eScript scripting.
• Built applications using Excel and Access with VBA to upload, extract, and manipulate Siebel data from the desktop.
• Developed VB.NET applications, combined with Oracle stored procedures, to extract data from Siebel for import into other applications. Show less

Contractor at Gateway

• Managed several critical projects from conception through entire software development life cycle. Interacted extensively with end users at remote sites to establish and define requirements and offer technical expertise.
• Designed and developed multi-user Access application for easement tracking… Show more Managed several critical projects from conception through entire software development life cycle. Interacted extensively with end.
• Designed and developed multi-user Access application for easement tracking after acquisition of utility assets; program provided the ability to track and report on land rights, saving legal department from performing.
• Designed and developed multi-user Access application that tracked power plant pollution statistics and generated reports, and built a website to view the reports, resulting in a more robust solution which improved the.