Gunjan Patel

Led engineering teams in the development and maintenance of software platforms and tools to support machine learning science models, facilitating time series forecasting for three key use cases: Orchestrated the prediction of total infrastructure costs for Amazon's operations over the next year, enabling finance and service stakeholders to effectively plan and manage software expenses

• Spearheaded the creation of infrastructure capacity plans for Amazon's business operations spanning a two-year horizon
• These plans were instrumental for AWS in procuring hardware tailored to specific regions and availability zones worldwide
• Directed the forecasting of infrastructure scaling guidance for routine operations and peak events (e.g., Prime Day, Cyber Monday, Christmas), leveraging Amazon business drivers to configure the precise number of servers required for each service
• This ensured optimal resource allocation and performance during peak periods.

• Engineering Manager for CapitalOne’s Consumer Common Capability Platform
• Lead 3 tech teams to create PreQual Application which supports multi lender
• This new application will be created with Micro Front End (MFE) architectural pattern
• MFE pattern helps to integrate functionality across different products like Auto Navigator, Leads Navigator, etc
• 2nd scrum team worked on Prequalified Calculator application using MFE architectural pattern
• Works with product owner to define the roadmaps and provide technical leadership for above 2 products
• Also make trade-offs on short-term vs long term business and technical needs
• Work with each engineer to help them solve technical issues and provide guidance for their career
• Provide leadership team with clarity and transparency for the timelines
• Technologies Used: Vanilla JavaScript, HTML5, CSS3, Java, Postgres Db, different AWS services.

• Technical Lead for CapitalOne’s Leads Navigator Product
• Lead a tech team to enhance application to support multi lender initiatives
• With this enhancement, customers will get APR for Vehicles not only from CapitalOne but also from different lenders which that Auto Dealer works with
• Dealers will get qualified lead for their sales
• Designed the system and worked with Architecture, Infrastructure Security and Data governance team to get an approval of the proposed system
• Worked on mentoring engineers by doing code reviews, helping them understand requirements and all
• Technologies Used: Java, NodeJs, React, HTML5, CSS3, PostgreSQL DB, Kafka Streams, AWS Infrastructure.

• Auto Loans: Marketing Navigator Application
• Developed an application to send millions of marketing email every month
• This application helped to move manual batch project to real time more intelligent process
• Lead a team to create an multi armed bandit algorithm (advanced version of A/B testing) to recommend a creative for customer and also accepts the feedback to learn and optimize it
• Algorithm learns by itself based on the feedback received and then recommends the winning creative more than other creatives
• Worked on the creative setup application where marketers can setup different bandits’ campaigns
• All the creative gets storied in CMS system
• Technologies Used: Spring Boot, Java, Angular, AWS.

A browser based responsive web application used by TAX Accountants (CPA’s) to manage their Lacerte and ProSeries products. This application provides capabilities to download, renew their software, setup auto renew preferences, take product trainings, account management, etc.

• Worked on major end to end re-write of download, product trainings and online renewal features to increase customer usability and performance of the application.
• Mentored entry level engineers on the team and helped them to resolved complex issues.
• Designed and implemented REST based micro web services for each of the newly designed features which will help to maintain and scale the application.
• Migrated all the Marketing pages from old JSP technology to new Adobe Content Management System (a.k.a Adobe CQ5) system.
• Developed and maintained key features in current application. Upgraded current features as per business needs in both old and new platforms.
• Analyzed and solved various production issues as and when required.
• Enhanced application to provide dynamic content based on user profiles.

Technologies Used: J2EE, jQuery, AngularJS, node.js, Karma, Jasmine, HTML5, CSS3, AJAX, Spring, Maven, JMockit, SQL Server, Cassandra, Tomcat 7.0.11, Oracle ATG

• Sabre Sonic Web – Mobile E-commerce
• A browser based White Label Mobile Web application which has different modules like Book My flight (BMF), Check-In, Manage my Booking (MYB), Flight Schedule and Flight Status
• Based on the requirements of different airlines application is customized by changing flows, colors, style sheets and images
• This application has end to end solution for an airline e-commerce business
• Worked extensively on front end development using backbone, jQuery, node.js, underscore.js, etc
• To develop different features like flights detail, seat map, ancillaries, documents, boarding passes, etc
• Played key role in converting entire website into Responsive Web Design application by using media queries for making decision in rendering the page contents based on screen size
• Converted entire website into Single Page Application, using different front-end technologies
• Worked on middle layer Spring MVC based service engine platform which orchestrates various transactions
• These services are exposed to external and internal clients, which acts like SaaS platform.

• Command Center and Revenue Integrity
• Customer interface website called Command Center is basically used for defining business rules for trip archive, revenue integrity and airline seat maps
• Revenue Integrity is basically suite of backend automated processes which evaluates all the business rules and performs actions on passenger bookings
• Developed an automated Missed Ticket Process to help ensure timely and accurate identification of ticket issuance of AMEX US/CA/MX/UK/IE point of sale customer reservation in the Sabre and Apollo GDS
• The process objective is to lower the incidence of missed tickets due to simple agent error or mishandling and lower the work load for manual processing required by AMEX Travel Specialists
• Developed an automated Schedule change process
• Passenger booking’s on a schedule change queue defined in the configuration file are read and analyzed for changes
• Modifications are classified as either Major or Minor changes and rules defined by rules engine
• Once evaluated proper actions are taken based on customers’ requirements.

• Worked as a web master for PSD University
• Developed, maintained and enhanced features on PSD University website.

• Webmaster for Computer Science department at UT Arlington (www.cse.uta.edu)
• Website got a very positive feedback during annual IT survey.

• Website Development for Orion Ornamental
• Orion Ornamental Iron Inc
• Sales different hardware parts on their website
• The application includes a web interface for server-side components and the end user components that interface with local court case management database
• Developed a shopping card feature which allow customer to buy different goods on website
• Designed and implemented various advertisement and promotional offer configurable pages
• Implemented a profile creation feature on the website.