Summary
Overview
Work History
Education
Skills
Network Communications
Version Control
Data Sources
Cloud Computing
Other Positions Held
Clearance Level
Citizenship
References Available
Development Environment
Operating Systems
Languages
Accomplishments
Timeline
Generic

Yaw Ahenkorah

Woodbridge,VA

Summary

Adept at working effectively unsupervised and quickly mastering new skills. Analytical and skilled IT Professional dedicated to creating and delivering initiatives to guide organizational navigation of modern technology. Proven history of successfully translating technical requirements into business solutions. Strong proficiency in Software development in several market segments utilizing excellent communication to foster company rapport.

Overview

29
29
years of professional experience

Work History

Applications Development

Centene Corporation
St. Louis, MO
06.2022 - 03.2023
  • Development work on Decision Service Runner System
  • ASP .NET Core Rules Engine for Health Care Claims Processing
  • United Health Care Group CLAIMS Processing Application
  • REST API Specifications using Swagger
  • Worked with Oracle backend databases converted stored procedures to C# equivalents
  • Code quality and improvement, unit testing coverage using SonarQube
  • Developed API Endpoints and WEB pages to support Health Care Claims processing agents
  • Worked with MongoDB and Postgress
  • Integration with RightFax and DocuSign Modules
  • Agile Workflow, Gitlab Tools and CI/CD Pipeline deployments.

Applications Development

LPL Financial
Austin, TX
09.2021 - 04.2022
  • Development work on a Trust Account Management System
  • ASP .NET Core Development of Financial Applications and Tools
  • Cloud development in AWS
  • REST API Specifications using Swagger
  • Worked with Postgress databases
  • Performed technical presentations and demonstrations
  • Continuous integration and deployment using (Docker, TeamCity, Octopus Deploy)
  • Developed a service using Kafka Topics, API Endpoints generate AWS SNS Notifications.

Technical Lead Software Development

Peraton Inc
Chantilly, VA
04.2017 - 09.2021
  • Conceptualized and led several Service Oriented Architectures to support interagency cooperation and workflows within the Federal government
  • Lead Agile and SCRUM/Kanban development teams
  • Applications development using .NET Developer C#, VB.NET
  • Worked with several databases Oracle, SQL Server
  • Created applications using data repositories like ESB Message Queues, KafKa Topics, Endpoints etc
  • Performed legacy application migrations and modernization
  • Mainframe decommissioning at DHS and migration to a (SOA) service oriented architecture using windows services and .NET Core micoservices in Amazon Web Services (AWS)
  • Modernization of several USCIS-DHS agency interfaces and applications using C#/.NET
  • Technical lead responsible for generating client and agency reports and technical presentations
  • Continuous integration and continuous delivery/continuous Deployment (Devops/CI/CD)
  • Re-Architecture and development of USA Travel Booklet production system
  • Re-Write of “Green Card” Employment Authorization Declaration System using .NET core
  • Re-Architecture and Modernization of Notice Generation System as a Windows Service for USCIS.

Software Developer- Subcontractor

Computer Science Corporation
Washington DC
09.2009 - 04.2017
  • Modernization of existing Computer Linked Application Information Management System (CLAIMS 3) system into a new MVC/MVP architecture
  • Using several design patterns and object-oriented methodologies
  • Modernized development environment using TFS workflows, Agile and SCRUM development teams
  • Utilizing Microsoft's .NET infrastructure to create software solutions that meet clients' requirements
  • Reformulating existing code to ensure adherence to stipulated guidelines adding unit testing coverage as well
  • Software Design and Modeling using UML tools.

System Administrator/Developer

Accra Grammar School
Accra, Ghana
08.2007 - 09.2009
  • Developed WEB Based School Management System
  • Set up the entire wireless computer network infrastructure for 5 acre campus
  • Created a WEB presence and online applications for the school using PHP, Apache and MySQL and other open source software modules
  • Integration of Educational Based Open source Modules into the schools IT infrastructure (e.g
  • Moodle, Account Manager etc.)

Senior Consultant

Computer Science Corporation
Washington DC
03.2001 - 08.2007
  • Enhancements to the Computer Linked Application Information Management System (CLAIMS) in a Client Server Environment using VB 5, C languages
  • Extensive involvement in requirements specification, development, design, testing, maintenance and enhancements and documentation as well as customer support and deployments of entire systems for DHS (Department of Homeland Security (United States Citizenship and Immigration Services)
  • Supporting the upgrade of the CLAIMS backend BTRIEVE Database to MS SQL Server RDBMS.

System Architect

Oracle Corporation
05.1999 - 05.2000
  • Responsible for system design and development of call center applications Computer Telephony Integration (CTI), Oracle CRM products
  • Responsible for the integration of Oracle CRM products with Workflow software for Telefonica Argentina in Buenos Aires Argentina
  • Design and customization of a call center application for Zivnostestanka Banka in Prague (Czech Republic)
  • Worked with Oracle products and development tools (SQL and PL\SQL) developed stored procedures and reports
  • Developed GUI front ends for Oracle RDBMS systems using Visual Basic and ASP for web-enabled applications.

Consultant

Electronic Data Systems (EDS)
03.1998 - 03.1999
  • Part of the team that migrated United States Citizenship and Immigration Services (USCIS) to Y2K compliance
  • Y2K code modifications and enhancements and documentation, systems upgrades for CLAIMS 3 receipting module for the (USCIS), using Visual Basic and C
  • Worked on the integrated Card Production System (ICPS) in Visual C++
  • Very conversant with the SDLC (Software Development Life Cycle) model.

Software Consultant

iQuest Solutions
03.1997 - 03.1998
  • Responsible for the design, development and integration of a turnkey Computer Telephony Application for Mellon Bank (Delaware)
  • Used CTI Active X components, IVR (Interactive Voice Response) modules Oracle RDBMS, mainframe integration and WEB Servers
  • Was involved in the entire life cycle of the project
  • Developed the middleware ActiveX components to support IBM MQ Series integration with mainframe and PC based systems at Mellon Bank Delaware
  • Consulting services to clients in different areas of Information Technology including Hardware/Software
  • Responsible for providing programming solutions to clients.

Programmer

Corning HTA (Health Technology & Associates)
05.1994 - 02.1997
  • Developed (OLTP) Online Transaction Proccessing Systems for Indigent Patient Care Programs using Visual Basic, SQL Server 4.2 and Foxpro 2.6/3.0
  • Developed Online Data gathering systems to track quality of life data for patients on Phase III clinical trials for several leading drug companies (Amgen, Pfizer, Biogen, Glaxo Welcome, ELI Lily, Dupont etc.) Prepared data sets using SAS (Statistical Analysis Software) from large databases (MEDPAR –National Medicare Records/ BMED Physician records) for data mining and trend analysis.

Education

MS - Computer Sciences

George Mason University
05.1994

BS - Mathematics

University of Science & Technology
12.1989

Skills

  • Requirements Analysis
  • Agile Development
  • Applications Development
  • User Support
  • Product Development
  • Business Development Support

Network Communications

  • Windows Based Wired/Wireless
  • VPN

Version Control

  • GITHUB/JIRA
  • Confluence
  • Team Foundation Server(TFS)

Data Sources

  • Oracle
  • MS-SQL Server
  • MySQL
  • KafKa
  • Message Queues (ESB)
  • Postgress
  • Mongo DB

Cloud Computing

  • AWS SNS
  • EKS
  • Lambda
  • Glue
  • Cloudformation etc.

Other Positions Held

  • Insight Interactive, 06/01/00, 08/01/00, Developed a WEB Based software for hand held flat panel data input devices., Developed utility using Visual Basic/ ASP to update WEB content for a wireless Intranet, deployed at Presbyterian Hospital New York., Worked on user requirement changes for the WEB site (www.comedycentral.com).
  • NeteXc Inc, 04/01/99, 04/01/99, Developed SQL Server based RDBMS for the initial startup of a contact management WEB site for www.netexc.com., Developed all in house data import, formatting and export utilities using XML.

Clearance Level

5C

Citizenship

US Citizen

References Available

True

Development Environment

  • Visual Studio
  • AWS
  • Devops
  • CI/CD(TeamCity/Octopus Deploy)

Operating Systems

  • Windows
  • Linux
  • Unix

Languages

  • C#
  • .NET Core
  • VB.NET
  • SQL
  • HTML
  • PHP
  • ASP
  • C
  • JavaScript

Accomplishments

  • MODIS Government Services - Recognition of Excellence, 10 years of Outstanding Service and Dedication

Timeline

Applications Development

Centene Corporation
06.2022 - 03.2023

Applications Development

LPL Financial
09.2021 - 04.2022

Technical Lead Software Development

Peraton Inc
04.2017 - 09.2021

Software Developer- Subcontractor

Computer Science Corporation
09.2009 - 04.2017

System Administrator/Developer

Accra Grammar School
08.2007 - 09.2009

Senior Consultant

Computer Science Corporation
03.2001 - 08.2007

System Architect

Oracle Corporation
05.1999 - 05.2000

Consultant

Electronic Data Systems (EDS)
03.1998 - 03.1999

Software Consultant

iQuest Solutions
03.1997 - 03.1998

Programmer

Corning HTA (Health Technology & Associates)
05.1994 - 02.1997

MS - Computer Sciences

George Mason University

BS - Mathematics

University of Science & Technology

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Yaw Ahenkorah