Devaiah Kokkalemada

Technology professional with 25+ years of industry experience, last 12 in architecture related roles. Technical leadership roles in multiple large programs involving teams spread across the globe for fortune 500 clients. Responsibilities handled include solution definition, delivery ownership, team mentoring and pre-sales support.

• Certified SOA Professional (SOA-CP) from SOA school
• Honor Code certificate for the program "Analytics Edge" on edx platform (https://verify.edx.org/cert/fcf9238ef33948fb8eed3bb73bfb18dc)

Solution Architect (Applications)

• Design and implementation of several B2C applications, designed the technology framework aligned with Enterprise standards from ground up.
• Enabled creation of services on top of existing processes, incorporating AI & ML tools primarily from the Microsoft Azure platform to upgrade existing analytical tools used by research and marketing teams.
• Evaluation of No Code Platforms and tools and combining them with traditional tools and platforms to provide -"best of both worlds" experience for teams implementing custom solutions.

Architect - (Oil & Gas Digital practice)

August 2016 - April 2019

• Augmented Reality based Connected worker platform (POC and Technology Demonstrator): Built for Android with Azure cloud back-end. The system interfaces with other Enterprise systems like Asset Management systems (Maximo), Real Time Monitoring systems(OSI PI) and collaboration tools (Skype). Voice based authentication capabilities leveraging Azure Cognitive Services.
• Digital Twin for Drilling (Minimum Viable Product): Built using Unity 3D for visualization, Azure App Services, Azure functions and Signal R services for real-time data delivery. Consumes data from well logs, WITSML data sources and Real time analytics platforms.

Solution Architect for GROW platform, a Point Of Service Solution for Jiffy Lubes (SHELL subsidiary)

June 2014 - August 2018

Application modernization and cloud transformation of the legacy Point Of Service solution used in 2000+ stores across United states. Involved migration of 1.5 TB of data from customer's data center to the cloud, application framework upgrade from .Net 1.1 to .Net 4.5 for 1.2 Million lines of code.

Technology Landscape: Azure IaaS offering, .Net framework 4.5, SQL Server 2012, TFS 2013, BCM Device management solution, SSIS, SSRS, Contol-M Jobserver

Contributions:

• Solution architect for .Net applications portfolio
• Overall Technical Solution ownership for the last 3.5 years
• Defined and implemented script based code uplift strategy, successfully concluding the uplift and base-lining exercise in 3 weeks
• Worked with partner teams to define secure connectivity solution to the cloud,enabling 2000+ stores to connect to the Azure cloud backend in a seamless manner, overcoming platform limitations that allowed only 25 Site to Site VPNs
• Defined application framework to implement functional enhancements on top of existing code base
• High Availability SQL Server 2012 deployment on Azure IaaS
• Defined configuration management and build automation strategy based on Team Foundation Server
• Base lined security vulnerabilities by leveraging static code analysis tools and penetration testing
• Prepared development and execution plans for 80+ strong development team, assisted PMO in tracking the same ensuring on time delivery

E-SERVE PROGRAM - SHELL

April 2011 - May 2014

B2C eCommerce solution for retailers and distributors of SHELL's lubes business. Multilingual application supporting 20 languages and active across 37 countries with stringent availability requirements.

Technical Landscape: .Net Framework, ASP.Net , Windows 2008 , SAP Connector , Sharepoint 2010 , SSIS

Contributions

• Solution Architect with offshore delivery assurance responsibility
• Key role in stabilizing the application by addressing application performance and availability issues
• Proposed and implemented the re-engineering of key modules to improve maintainability and extensibillity of the solution , adopting pattern based design approach
• On-time and flawless execution of SAP Connector technology upgrade by scripting code generators to map the changed API definitions between the legacy and upgraded versions of the connector
• Platform upgrade for Windows Servers, Sharepoint and .Net framework , ensuring compliance requirements for the application are met achieved with minimal impact on availability of the solution
• Delivery ownership from offshore for multiple functional and technology upgrades

ADJACENCY AUTOMATION - (US based Top 10 Retail brand )

July 2008 - August 2009

Macro-level planning and workflow tool for Merchandising of stores that involves interfacing with Space Optimization and Planogram generation tools. Involved migration of functionality from Main frames to a web based GUI.Solution is built using SOA principles on top of WCF framework with ASP.net front end.

Technology Landscape:

ASP.Net 2.0, VB.Net, WCF, IBM DB2, Windows 2003, Visual Studio Team system

Contributions

• Technical Architect in a staff augmentation role for TARGET's captive development center, ownership of technical delivery for a key module
• Functional analysis and design with business analysts
• Ownership of low level design for the system
• Reference Implementation for Transactions in WCF services involving IBM DB2 database.
• Guiding and mentoring a multi-vendor development team.
• Support for Integration Testing and Performance testing.
• Implementation Planning and execution

SUPPLY CHAIN FINANCE - (Top 5 Australian bank)

November 2006 - June 2008

Customized financial products in Supply Chain space aiming to provide seamless integration of customer's Supply Chain Management systems with financing options provided by the bank.

Technology Landscape: ASP, ASP.Net 2.0, C#, HTML, DHTML, XML, XSL, SQL 2000, ASP.Net Webservices, COM+, C++ , Cruise Control, NUnit

Contributions:

• Performed role of Application Architect.
• Designed and implemented a business Applications framework aligned with organizational standards.
• Advocated and facilitated adoption of agile development practices -Test Driven Development and build automation.
• Implementation for key components
• Managed production implementation of two major releases

PROGRAM BUSINESS PLAN - (US based manufacturing Services company)

November 2009 - December 2010

A web based application to replace existing manual processes and excel based analysis tools used to track profitability of manufacturing projects executed at multiple locations across the globe.

Technology Landscape: ASP.Net 3.5, C# , SQL Server 2005

Contributions:

• Ownership of High Level Design.
• Reference implementations for the architecture framework.
• Design Review , Estimation, scheduling and management of workflow
• Guiding and mentoring the development team.
• Implementation Planning and support

SMART - (European publishing major)

April 2005 - May 2006

A strategic suite of applications built to function as ERP system for Books business of the company. The application requires strategic Enhancements from time to time along with on going production support.

Technology Landscape: ASP, HTML, DHTML, SQL Server 2000, JAVA, Websphere

Contribution:.

• Performed the role of project lead and technical lead
• High level design for interfaces to procurement systems.
• Designed and implemented ISBN-13 migration project.
• Managed delivery schedules of 3 independent development tracks in the application suite.

AUDIT CENTRAL - (US based multinational Semiconductor manufacturer)

Jan 2003 - December 2004

Workflow and tracking application for audit related activities aiming to maximize resource utilization, improve operational efficiency of the audit process and tracking of issues logged.

Technology landscape: C#, ASP.Net, HTML, DHTML, SQL Server 2000

Contribution

• Designed and implemented Authorization and Personalization module.
• Designed and implemented an extendable, configurable Reference data management system.
• Production implementation support