Rattandeep Chauhan

Client

Working for client Sunrise Communications in EAI & Portals team which bears the responsibility of handling frontend portal applications and middleware integration applications.

Sunrise Communications AG (commonly known as Sunrise), is a Swiss telecommunications provider based in Zurich. It has 2.99 million customers making it the second largest telecommunications company in Switzerland after Swisscom. It provides mobile and landline phone and internet services.

Projects

SBA 2.0: This project aims at rewriting their existing Sunrise Business Account (used by business customers and agents) with the state of art new tech stack introducing new application architecture which needs to be followed for all new developments. The frontend is being written in Angular indrectly communicating with backend Spring Boot Restful services through a GraphQL API. My main responsibility is leading the backend API delveopment and supporting other layers in their development. Backend API is being developed using API first approach (OpenAPI specification) and is being documented using Swagger

CSI Legacy Migration: This project aimed at migration of CSI Portal (php based legacy appication). UI for this Portal was developed in Sencha Extjs 6.5 while the backend was developed in J2EE to provide restful services for these UIs.

Post Return Automation: This project introduced a new application developed in Sencha Extjs as frontend and restful services in the backend, for Sunrise internal users to manage the return of documents via Swiss Post. Earlier user need to deal with xl sheets and process data manually, now entire process is automated.

CCIS & LI Notsuche: This project introduced a new application developed in Sencha Extjs as frontend and restful services in the backend, for legal interception team to efficiently manage and respond to police requests, Gmaps api was used to show customer location on Gmap.

Manhattan : This project aimed at allowing customers to share their data plans on more than one devices. This required extensive changes in data model and services.

Microsoft OneDrive: This project involved changes in frontend portal application and middle layer integration application to capture necessary information for allowing installation of OneDrive for Business Customer.

Clarify performance improvement: This project aimed at improving the existing system processes, removing redundant components, segregating core functionalities, refactoring existing code and introducing new web-service standards.

Brooklyn: This project aims at providing real time customer and order data to the new frontend webshop application. Most of the work is related to exposing data through rest webservices, new and simplified database structure, documenting system knowledge for new frontend vendor and conducting knowledge sharing sessions.

Technologies

Java (Java 8 and below) , Javascript, Angular, ReactJs, Jquery, ajax, richfaces, Spring Framework, Hibernate, Oracle, PL SQL, Soap and Rest Webservices, Sencha Extjs, Jboss Seam, Jsf, Gmaps Api

Roles & Responsibilities

Leading project team to ensure successful e2e delivery of project requirements.

Project/CR scoping and providing estimates.

High and low level design and development of the project tasks.

Creating UI mockups and presenting to customer.

Attending scrum meetings and planning for project tasks completions.

Supporting operations team being application spoc.

Lead and peer code reviews for projects and CRs.

KT, project documentation and knowledge management activities.

Achievements

Delivered 20+ of projects and dozens of CRs so far with best quality.

Special recognition and goodie from client for excellent project delivery and incident management.

Pat on Back Award (2), Best team award.

Was the youngest team member at onsite.

Consistently excellent client feedback.

Rich experience in dealing with client from both offshore an onsite location.

Client

Worked for a small business enterprise which is focused on disruption in Electronic goods market in India.

Projects

Invoicing and Inventory Management App: The scope of work included, presenting a feasible cloud solution, designing of AWS cloud infrastructure, development of restful backend, angularjs ui and other application features.This project aimed at providing a cloud hosted scalable web application solution to help a small business enterprise to create and manage the invoices and inventory for them and the retailers.

Functional requirements implemented

• User and role management
• Distributor registration and login
• Client account registration and login
• Create Invoice functionality (which includes PDF Invoice generation, bar code scanning for product details)
• Inventory management (creating new products, importing product list from excel)
• Contacts management
• Sales and transactions reports

Non Functional requirements implemented

• Application health monitoring
• Application metrics (request/sec, cache stats, jvm stats)
• Logging management
• Active sessions management
• Automatic backups of cloud data
• Sales and transactions reports

Technologies

Backend: Java 8, Spring Boot, Spring Data, Maven, MySql, Angularjs 1.5, Bootstrap, Npm, Gulp, Karma, Jasime

Roles & Responsibilities

Requirements gathering and scoping.

Designing of AWS cloud infrastructure for hosting the solution.

Development of restful backend uaing Spring Boot.

Development of Angularjs UI.

Achievements

Whole project was delivered on very tight deadlines.

Delivered project with high quality with no defects raised during UAT.

Latest tools and technologies were used to build a scalable and usable cloud based solution.

Completed AWS Certified Software Associate course.

Client

Lexis Nexis, a division of Reed Elsevier, Inc publishes legal information and has several legal and business products catering to local markets worldwide. Lexis Nexis project involves Infosys managing IT operations for the client.

Projects

NFD: The scope of work includes providing Developing Single and Multithreaded Java applications, Web appications, Enhancements, Bug Fixes for all IT systems, maintain systems on an ongoing basis, take up inflight projects and, estimate and execute development projects that align with Lexis Nexis business needs.

Technologies

Core Java, Javascript,Jquery, JSP, Servlets, Struts, Spring, Hibernate, Oracle, PL SQL, Tomcat

Roles & Responsibilities

Design and development in Projects/CRs

Release and post production support.

Impact analysis of CRs.

Knowledge management and transfer activities.

SPOC for daily application health monitoring.

Achievements

Above and Beyond award for excellent project work.

Appreciations from client as well as higher management on multiple occasions, for critical releases and defect free deliveries on a very short notice.

Completion of Infosys Technical certification of java technology.

Completion of Infosys STAR certification..