Jinu John Email & Phone Number

San Jose, Ca, Us

• Lead the Crypto Hub Client functionality for multiple features with primary focus on web client • Led the engineering effort for PayPal USD (PYUSD) (PayPal stable coin -first of its kind from a globalpayment service provider) experience and functionality for both web and native clients.• Developed PYUSD functionalities like Buy/Sell/Hold, Transfer, and Swap in web client• Developed the initiative for customers from the Bankrupt cryptocurrency lending platform Celsius to redeem the crypto through PayPal crypto hub• Developed reusable UI components using React/Redux.• Lead Performance improvement for the web client crypto hub application.• Manage the Release cut and Production deployment during each Sprint cycle.• Develop modules and functionalities to increase developer productivity through cypress automation

London, Gb

Developed nodejs module to be used as AWS Lambda function to generate and publish the digital publication from the proprietary authoring platform. This ultimately resulted in reducing the effort for creating the final title by 25% and having a faster go-live date for course titles.Develop reusable data visualization modules for the adaptive learning and teaching assessment using React and D3.Develop reusable UI components using React.Integrate the build process with Jenkins and GitHub. Streamline the development build process by integrating jest unit test cases and Storybook for faster development.Enhance the performance of the adaptive assessment site by effectively strategizing the bundle size by making use of concepts like lazyloading.Mentor Junior developers.

Brea, Ca, Us

Brea, Ca, Us

San Francisco, Ca, Us

As a consultant from Nisum Technologies following were my responsibilities and accomplishments• Developed reusable UI functional modules along with appropriate test cases which helped in User Interface data modeling, configuration, and web component module development using ES6 with the help of Lit Element, Lit Html, Jest, Webpack, and other node modules.• Implemented new features after having product discussions with different stakeholders adhering to the architectural framework and coding patterns.• Designed and developed the search page using reusable web components that work across modern browsers and devices of different form factors. These components can be used with any JavaScript library or framework that works with HTML Web components thus allowing us to extend to multiple brands of WSI with ease.• Build CLI and other tools needed for the development of reusable UI components which helped the team to make quick progress.• Implementation of the new features adhering to the best approach for accessibility and SEO.• Learning and evaluating new technical framework and approaches for identifying new opportunities.• Troubleshoot and solve integrations, data, and functional issues.• Performance improvement through mathematical and statistical analysis.

New York, Ny, Us

As a consultant from Nisum Technologies following were my accomplishments and responsibilities.Designed and developed, responsive reusable testable front-end modules (JS & HTML5) as per UX guidelines for new Single Page 'signed in' and 'guest' checkout. This project drove an over 10% YOY increase in checkout conversion across devices, and contributing over $60MM in incremental sales annually.Done multiple customers facing experiments like providing functionality for managing tender types (credit cards, debit cards, brand promotions), user-friendly notification messages, different shipping flow experiences, etc in a lean lab environment for getting better user experience and thereby increasing the confidence of our customers.As a point of contact for the checkout experience took part in the planning and discussions of different features that need to go in with each release cycle.Implemented error handling, client-side validations and other optimization techniques like bundling and compressing the resources and response for the checkout experience for faster load time. Integrated PayPal tender type which communicates to the cardinal system for both Guest and Signed In Checkout.Implemented accessibility standard across checkout flow.Front end modules are developed using technologies like BackBone, HandleBars, Marionette, Grunt, NodeJS, Jasmine, karma, Mocha.

As a consultant from Infosys, I was responsible for coordinating the onsite offshore development activities of secured message application on desktop.  Acted as an onsite coordinator which involved both development and project management activities like providing system design document, developing the architectural design to be followed, gathering business requirement, providing, estimates, status updates, managing deliverables, and coordinating with different stakeholders for efficient delivery mechanism.  Provided the system architecture documentation taking care of lightweight secured request response structure and scalability. Demos & Presentation to client and management. Developed Unified Modeling Language (UML) diagrams for frontend using Enterprise Architect Developed frontend architectural frameworks and coding patterns to be followed for the project. Developed reusable testable require JS HTML5 UI module for different use cases taking care of web accessibility guidelines (WCAG). Developed frontend file download module for iPad and Android devices. Created responsive style sheets using LESS and frontend user interface template-using Dust JS. Mentored and guided the junior development team. Conducted interviews for recruitment purpose.Technologies Used:  HTML5, jQuery, Require JS, CSS3, Spring3.0, Grunt, LESS, Dust JS, Karma, Spring Tool Suite, Sublime, NPM, NodeJS, Enterprise Architect

Bangalore, Karnataka, In

Requirement gathering, Proposing the technology stack, Designing the system, Developing the framework for the system.Mentoring the Junior team members.Also an active member in recruiting the talented minds to the company.Multiple technical papers are also submitted to the internal knowledge base.

As a consultant from Infosys, lead the development of in-store associate hybrid guided sales application from offshore. This state of the art application allows the in-store associates to lookup inventory and product details on the fly in mobile devices both on tablet and phones, which helped the customers to make informed and swift purchase decisions. I was involved in business requirement gathering, providing system architecture design and developing reusable modules like customer rewards lookup, payment section, merchandise pick up, item subscription etc.

Mumbai, Maharashtra, In

As part of L&T Infotech Product Engineering Services designed and developed Server and mobile components as demanded by the assignments.Server modules was built mostly using Spring framework. But as based on different assignments Struts was also used.Mobile applications were built on Android, J2Me and blackberry devices.Was part of the core team to develop the Inter messaging chat hub server which uses XMPP, SIP and IMPS protocol. This was first of a kind during the time for integrated chat which can be used in mobiles as well as desktop.Developed Server module to get the Collaborated information from different social platforms like googleplus, google profile using OAUTH token. The information from different CRMS was also integrated using appropriate auth mechanism.Developed and ported games and application for different vendors on different make and built of mobile devices and different carriers.Guided the junior team members in achieving the target.

Cincinnati, Ohio, Us

As a consultant from L&T Infotech, designed and developed the financial dashboard in HTML for making effective decisions by the executives. Designed and developed the SAP JCO layer for getting the data. Implementation of SAP Java connector object layer was essential for the Single Sign on authentication mechanism. This SAP JCO layer helped in formulating the data from the SAP ABAP layer and acted as the abstraction layer which transferred the data to the UI layer.We used highcharts Js for rendering the data.

Nashville, Tennessee, Us

As a consultant from L&T Infotech, gathered the requirements and developed the Mobile Backing up application for Canadian carriers and US telecom Carriers.Developed server modules for getting the provisioning information

Lysaker, Oslo, No

As a consultant from L&T Infotech gathered the requirements and developed the Instant Message and Presence (IMPS)Client for j2me and blackberry devices.Designed and developed the WBXML (Wireless Binary XML) encoder and decoder (parser) for the devices which have less memory print in accordance with the IMPS protocol (Open mobile Alliance) standard. This low memory footprint parser was necessary for the efficiency and success of the targeted mobile devices which was primarily based on MIDP1.0 profile.