Karthik Iyer
Senior Cloud Developer
Houston,TX
Summary
Experienced Senior Cloud Developer with over 13 years of experience in the Technology domain across various Industries. Excellent reputation for resolving problems and improving customer satisfaction.
Overview
14
14
years of professional experience
8
8
years of post-secondary education
5
5
Certifications
Work History
Senior Cloud Developer
GEP Worldwide
Houston, TX
11.2020 - 12.2022
- Developed gRPC based microservices for Cloud agnostic Blob Storage in Azure, AWS.
- Developed different configuration and queries using MongoDB Atlas being deployed in a true cloud agnostic fashion.
- Used AWS Lambda and Azure functions for various Storage service triggers, queues and AWS SQS and SNS based architectures.
- API testing using Postman.
- Used JWT tokens for Authorization.
- Used
JIRA
for project management and sprints. - Used New Relic for logging and monitoring.
Senior Engineer
Slalom
Houston, TX
12.2019 - 10.2020
- Developed Tariff Rate modules using AWS
Microservices
/Lambda to set up rates for billing. - Developed Charge Types using Microservices for billing and invoicing.
- Developed workflow modules using
PEGA
for getting statuses for User and admin roles. - Developed Invoice Engine modules to support the invoice flow from other systems like Allocations and Nominations.
- Used
SNS, SQS
for inter lambda communication. - Used
DynamoDB, DocumentDB
for Gas Rates information. - Used Cloudwatch for logging and monitoring.
Software Developer
Big River Steel
Osceola, AR
06.2019 - 11.2019
- Designed, Developed, maintained L4 (Ordering system) and L3(Parts System) using
.NET Core MVC. - Used
Azure Repos
for source version control. - Used
Azure pipelines
for CI/CD. - Used
Azure Boards
for running the sprint planning schedule and track stories. - Used
Microsoft flow
for automating and setting up internal business processes.
Business Developer Associate
Insperity
Kingwood, TX
03.2015 - 06.2019
- Successfully implemented Secure Authentication module for Insperity (Employment Service Center).
- Saved Insperity over a million dollars by replacing Enwisen benefits (Vendor) with in-house solutions.
- Increased customer base by Modernizing to the new Insperity Premier platform.
- Increased user engagement and personalization using Premier Image Management.
- Enhanced customer renewal experience using the eSignature project for Bid Renewals and new Bid.
- Analyzed test cases during modernization of Legacy Systems (Butterfly Engagement).
- Developed and maintained features within the Financial Analysis Tool used by Growth enhancement department.
- Designed, developed and maintained applications using .NET Core, C#, Web Services .
- Designed and developed UI modules and components in Angular 6.
- Used SQL Server and Informix as backend Database.
- Designed, developed and maintained applications using .NET Framework, C#, Classic ASP for Insperity Employment Screening.
- Integrated with Taleo third party services for employment data updates and screening.
.NET Programmer
Global Shop Solutions
The Woodlands, TX
12.2014 - 03.2015
- Designed, developed and maintained applications ERP Modules using VB.NET and GAB for One System ERP
- Used Pervasive SQL as a backend for the ERP system.
.NET Developer
Ethosiq
Houston, TX
04.2014 - 09.2014
- Designed and Developed Call recording software for the Customer Engagement platform.
- Designed and Developed IVR flows based on the Genesys IVR platform.
- Used C#, WPF, Oracle 11g, PL SQL to develop CEP applications
- Used Toad as a PL/SQL Client.
- Used LINQ for querying and manipulating databases as well as collections for CEP applications.
- Developed the web based UI using ASP.NET MVC and Razor.
- Used Genesys APIs to develop CEP interfaces and products.
Ruby on Rails Developer
Enveritas Group
Greenville, SC
06.2012 - 04.2014
- Developed,Enhanced and maintained features for the Customer Lifecycle Management system and People Center Portal.
- Created, Installed and configured AWS EC2 Instances and managed EC2 Snapshots.
- Migrated applications from in-house to AWS for better maintainability and added 600 dollars/month of savings.
- Monitored AWS instances for memory and CPU issues.
- Used Ruby(1.8.7,1.9.3) on Rails(2.x, 3.x), Mac OSX Local Development environment, Vim, Debian, CentOS, AWS,
Capistrano , CarrierWave (ImageMagick), Ruby and Unix scripting, MySql, AWS S3, HTML, CSS, Jquery for the applications. - Moved from Salesforce to FatFree CRM (ROR Open source CRM) saving 20,000$ a year for Enveritasgroup.
- Performed Database backups using cron jobs.
.NET Contractor
Visionary LLC
Greenville, SC
10.2011 - 06.2012
- Designed, developed and maintained CakeSupplies4u, an ecommerce based platform developed in .NET and SQL server for ordering cake and baking supplies.
- Created custom modules in BVCommerce Store.
- Maintained and installed certificates for the ecommerce store using IIS , Windows Server and ASP.NET.
- Maintained and backed up CakeSupplies SQL Server Database for Disaster recovery purposes.
- Fixed payment gateway modules in the CakeSuppliesStore as a result of security issues.
- Maintained Windows servers by monitoring memory , CPU and Disk usage.
- Used GoDaddy domain registrar for maintaining certificates and domains.
- Maintained various Wordpress websites for VisionaryLLC
- Designed, developed and maintained Inventory management system for Michelin.
- Used DevExpress controls for Rich UI Experience.
- Used
SSRS
for generating custom reports. - Used
SSIS
to transform data from files in a remote FTP server into SQL server database. - Designed Database objects in the SQL Server Inventory Management Database.
- Used ASP.NET Membership provider to create users and roles.
.NET Programmer
Utah Water Research Lab
Logan, UT
07.2008 - 06.2011
- Monitored, measured and studied Trinity River measurement parameters historically as well as in real time.
- Developed Time Series, histogram, probability and box and whisker plots for studying River patterns.
- Created thick and thin client applications for TRRP.
- Developed Winform based applications using VB.NET, Oracle as an initial version for TRRP.
- Re Architected and developed the Winform application as a Web App using ASP.NET web forms and SQL Server 2008 Database.
- Translated client request into technical specifications.
Education
Master of Science - Computer Science
Utah State University
Logan, UT 06.2008 - 08.2011
Bachelors in Engineering - Instrumentation
Mumbai University
Mumbai, India 06.1996 - 06.2001
Skills
C#
NET Core
Design Patterns
Relational DB (MySQL, SQL Server, Oracle, PostgreSQL, Aurora DB)
No SQL DB(Document DB, Mongo DB, DynamoDB)
Software Architecture
Unit Testing(XUnit , NUnit , MSTest)
Angular
Typescript
Ruby On Rails
REST , SOAP
DevOps Tools( Azure DevOps, CI/CD, Octopus Deploy, Circle CI, JFrog Artifactory)
Scrum/Tracking tools(Jira, Azure Story Boards)
AWS Services(EC2, EBS, S3,SNS, SQS, AWS Lambda, Cloud Formation, VPC, EC2, Security Groups, NAT Gateway, Cognito Identity with Microsoft Active Directory , Cloudfront, Cloudwatch, cloudtrail, redshift, Aurora Serverless, Redis, DynamoDB , DocumentDB)
Azure Services(Azure DevOps, Azure Boards, Azure Pipelines, Azure Functions (for microservices), Azure Service Fabric, Azure Blob Storage and Storage Accounts, Azure Repos (Azure Source Control (TFS, GitHub)), Azure Event Grid, Azure Queue Storage, Azure Service Bus, Azure Data Box, Azure storage tiers, Azure CDN, Azure Active Directory, Azure Resource Manager, Azure Virtual Machines, Azure Redis , Azure Powershell , Azure App Service)
Toastmaster International for Public Speaking
Customer Support Experience - Xfinity Business Services
Certification
Microsoft Certified Software Developer
Timeline
Azure Fundamentals
01-2022
Senior Cloud Developer
GEP Worldwide
11.2020 - 12.2022
AWS Certified Solutions Architect Associate
03-2020
Senior Engineer
Slalom
12.2019 - 10.2020
AWS Cloud Practitioner
09-2019
Software Developer
Big River Steel
06.2019 - 11.2019
Microsoft Certified Software Developer
12-2018
Microsoft Certified Software Associate
12-2018
Business Developer Associate
Insperity
03.2015 - 06.2019
.NET Programmer
Global Shop Solutions
12.2014 - 03.2015
.NET Developer
Ethosiq
04.2014 - 09.2014
Ruby on Rails Developer
Enveritas Group
06.2012 - 04.2014
.NET Contractor
Visionary LLC
10.2011 - 06.2012
.NET Programmer
Utah Water Research Lab
07.2008 - 06.2011
Master of Science - Computer Science
Utah State University
06.2008 - 08.2011
Bachelors in Engineering - Instrumentation
Mumbai University
06.1996 - 06.2001