VIJAYAKUMAR MARIMUTHU

Senior Full Stack .Net Developer/Architect

Senior Full stack .Net Developer with15+ years of experience and a proven record of providing innovative business solutions for various business domains. Ensure an innate ability to adapt in ever-changing and challenging environments to better streamline operations. Education and experience in comprehensive problem solving, creative troubleshooting, and relationship building. Passionate and driven with effective collaboration skills, team building capabilities and leadership in diverse and multifaceted situations.

Areas of Expertise

Functional: HealthCare, Banking & Financials, Automotive, Supply Chain, Real Estate, Retail and Gaming

Programming Languages: C#, VB.Net, C/C++, Java

Scripting Languages: VB Script, Angular, ReactJS, Java Script, jQuery, AJAX, Shell Scripts

.NET Technologies: ASP.NET Core, Web API, ASP.NET MVC, Razor, SignalR, Entity Framework, WCF, WPF, LINQ, Web services

Architecture Frame Works: TOGAF 9.2, ITIL, Agile

Data Science: R, Python, Azure Machine Learning, Statistics, Apache Hadoop, ggplot2

Databases: Oracle, MS-SQL Server, DB2, Azure SQL, MySQL, TERADATA

ETL Tools: SSIS, SAP BODS, Data Stage, IBM Cognos Data Manager and SAS

EAI/ EDI Tools: Quark DIT, Sterling Integrator (B2B)

BI Tools: Power BI, Tableau, Excel, SSAS, SSRS, Crystal Reports, SAS, Business Objects and MicroStrategy

Other Tools: Microsoft .Net, Eclipse, R Studio, GIT, ER-Win, Microsoft Project, Visio, JIRA, Microsoft TFS, Rational Rose, JUNIT, TOAD, XML, UFT

SharePoint: SharePoint 2007/2010/2013

Cloud: Microsoft Azure, AWS

Knowledge: DevOps CI/CD, ServiceNow, Spark, Scala, Microservices

Professional Experience

CORTEX CONSULTING SERVICES Inc., XOME

Senior Developer (May 2020 – Current)

Atlanta, GA

As a senior developer design, develop, testing, multiple customers system integration and deployment of Xome Valuation applications.

Participated in daily Scrum and weekly meetings with the project managers, stakeholders, architects and offshore team to meet expectations and deadlines.

Designed and developed XVal web application’s new features using C#, Core.Net 2.0 and AWS Cloud

Designed and developed few RESTful service interfaces using MVC to the customer event API.

Developed user interface by using React JS for Order fees module.

Bootstrap used along with Angular in creating the EVM application

Testing API’s using Postman tool.

Used Data Contracts as the standard mechanism in the WCF for serializing .NET object types into XML

Created object model using Entity Framework to migrate legacy data into the XVal system.

Used LINQ to Entities, LINQ to SQL for retrieving the data proficiently

Implemented JWT Token based authentication to secure the ASP.NET Core Web API and provide authorization to different users.

Database design and writing Stored Procedures, Triggers, Views, Joins, performing Query Optimization and Performance Tuning in SQL Server 2016

Involved in Testing, Debugging, Tracing the application for errors, Documentation, and maintenance of the application.

Experience with AWS Cloud environment

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CORTEX CONSULTING SERVICES Inc., PANASONIC AUTOMOTIVE SYSTEMS (PASA)

Senior Developer (Jun 2013 – Apr 2020)

Peachtree City, GA

Enterprise application design, development, testing, business automation, system integration, data warehousing, business intelligence and data analysis across multiple business domains.

Drove automation of PASMX production backflush operation to integrate factory MES system.

Designed and developed OEE monitoring systems, Quality engineering systems and Service quality PANACLAIM application utilizing ASP.NET MVC, SignalR, C#, and multiple databases. Migrated them to Azure Cloud and Azure SQL Database

Created EBS applications for high-level landscape architecture for MES and SAP implementation.

Architected, designed, and developed middleware solutions utilizing C#.NET to better automate BOM uploads in Glovia for factory FTP sites from PLM.

Developed comprehensive architecture and SAS analytical system upgrade process enabling PASA Service Group to seamlessly consolidate requirements for PASA customers.

Implemented strategic vision, planning, and organizational effectiveness to ensure foray into emerging technologies including business intelligence, data science, and data visualization.

Cemented business continuity plans to better identify key functionalities and data particular to BOM and migration of data from Agile PLM utilizing Java.

Deployed PASA BI Data Mart to assist tracking PASA P&L by model, business division, factory, among others for revenue over $2.7B+ utilizing SSAS, SSIS, and C#.NET.

Oversaw a diverse and cross-functional team to build an Enterprise Data Warehouse and Business Intelligence Solution, providing 360-degree views of business connecting data from factory, accounting, service, quality, and supply chain as needed.

Created a comprehensive data science advanced analytical platform utilizing Azure Machine Learning and R & Python for better understand and usability of infotainment data and quality issues classifications for critical decision-making.

Co-ordination with various stakeholders and offshore team with daily status call.

ZYTUS Inc., LOCKHEED MARTIN

Senior Software Engineer (Aug 2011 – Dec 2012)

Rockville, MD

As Senior Engineer developed web tool for data visualization and conduct failed bank assessment/data capture activities for bankrupted financial institutions that had managed excess of $100M - $14B+ in deposits, loans, and investment portfolios

Interacted with cross-functional departments and SMEs to understand and map their business processes, systems architecture and data center architecture.

Designed and developed data visualization tool using ASP.Net, C# to view data from Oracle data warehousing and created user centric reports

Designed and developed tools to extract data from structured/ unstructured data, Big data using C#.

Troubleshoot and resolved technical issues pertaining to archived data stored in legacy systems.

Documented program functions and steps required to develop or modify complex programs.

Created detailed design documents and programming specifications for 14+ failed banks.

Planned and prepared technical reports, instructional manuals, Workflow charts and diagrams to specify in detail operations to be performed by computer programs and by personnel.

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ZYTUS Inc., EMQ FAMILIES FIRST, Campbell, CA

Senior System Analyst (May 2007 – Jun 2011)

Served as senior system analyst and provided solutions for integrating COTS / OOTB applications, supporting company merger and acquisition, data warehousing and business intelligence solutions.

Designed, developed and implemented single sign on (SSO) authentication service using UML, Triple DES Encryption/ Decryption algorithm, Active Directory, C#, ASP.Net.

Analyzed the existing legacy system, provided gap analysis and created high level architecture to customize and upgrade the legacy ERM system TIER from older version.

Designed data migration architecture tool and migrated data from ERM system (echo) to TIER.

Developed a decision supporting system by creating Data Marts and provided business intelligence solutions, interactive executive dashboards and reports.

Created Web Parts, WCF components and integrated with SharePoint

Designed and developed back-office web application to admin ERMS application

Implemented many features by customizing ERMS system using DELPHI and Oracle.

Designed, developed an exempt employee job-costing tool in Excel macro using VBA scripts.

ZYTUS Inc., TMA RESOURCES, Vienna, VA

Tech Lead (July 2006 – Apr 2007)

Implemented and customized TMA integrated membership software solutions TIMSS/Personify n-tiered association management system software at various customer locations.

Analyzed the existing legacy system for better understanding the business logic and its functionalities then provided gap analysis to customize and migrating data to TIMSS.

Designed, developed and customize the product using ASP.Net, C#, Oracle/SQL Server, ER-Win.

Migrated data from legacy system to TIMSS using TIMSS data conversion tool, XML, excel, Oracle, FoxPro and SQL Server 2000/2005, DTS/SSIS, SSAS

Designed and developed 30+ Crystal Reports.

Migrated Crystal Reports to Business Objects reports for new version of TIMSS clients.

Responsible for documenting and maintaining the changes occurred during system re-designs.

QUARK Inc., Chandigarh, India

Senior Engineer / Tech Lead (Apr 2000 – Jun 2006)

Designed and developed SCM software product QCMS and implemented solution at multiple customer locations in US, Switzerland, Canada, Japan and India.

Responsible for Requirement analysis, Design, Development and implementation activities throughout the Software Development Life Cycle (SDLC) of the N-tier Product (QCMS).

Designed and developed Web Framework, Back Office Client Framework using MVC Pattern.

Designed and developed server components, web applications and data modelling for modules like ECC, SOP, eStore, Pricing, PoS, WMS using C#, ASP.Net, ADO.Net, Web Services, XML, SOAP

Developed a Web Analyzer reporting tool for end user ad-hoc reporting using C#, ASP.Net and XML.

Migrated applications from ASP, C++ COM/DCOM, ADO to .Net (C#, ASP.Net, ADO.Net)

Led and mentored various teams in various level of product development life cycle phase.

Successfully implemented QCMS product at various customer location and resolved many issues during product customization, gap analysis, data migration, data mining and post implementation

Identified and led the MDM effort at customer location to remap product SKUs across the system resulting in a significant decrease in SKUs and increased efficiency in product reporting.

Education

Electronics & Communication Engineering, BE - University of Madras - India

Diploma in Advanced Computing – CDAC – India

Certification

Microsoft Certified Professional Program in Data Science – Microsoft

Statistical Thinking for Data Science and Analytics – Columbia University

Cell: 703-***-**** E-mail: adhiqu@r.postjobfree.com

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