Summary
Overview
Work History
Education
Skills
Accomplishments
Onsite Experience
Timeline
Generic

Sanjeev Kumar

Senior Consultant - UI Developer
Kanchipuram

Summary

Skilled Senior Frontend Developer with 10+ years of experience specializing in designing and developing web and mobile applications. Proficient in frontend technologies such as React, HTML5, CSS3, JavaScript, and various frontend frameworks. Focused on creating clean, scalable and robust code with good quality.

Overview

11
11
years of professional experience
1
1
year of post-secondary education

Work History

Senior Consultant - UI Developer

Thoughtworks Technologies (India) Pvt Ltd.
10.2021 - Current
  • Working for a major banking client in developing web and mobile application using React/React Native.
  • Anchored multiple critical features and the primary responsibilities which includes technical analysis, development, code review and ensuring the deliverables are reaching production with good quality.
  • Improved the performance of the existing banking website by reducing its bundle/asset size by 40% and by adding the lazy loading to the routes, which was highly appreciated by the team and the client.
  • Re-skinned the screens for the existing web and mobile applications using mono repo approach and mass refactoring has been done to make the code reusable for both web and mobile platforms.
  • Active participation in code reviews and shared feedbacks to the team in increasing the code quality and reducing the tech debts.
  • Guiding & Mentoring Junior team members on development needs/issues.
  • Worked closely with Product owner and stakeholders to understand requirements
  • Participating in Agile development processes, including sprint/iteration planning, design review, daily stand-ups, and retrospectives.


Consultant - UI Developer

Thoughtworks Technologies (India) Pvt Ltd.
06.2020 - 09.2021
  • Developed and maintained frontend components and features for the web application using Angular, HTML5, CSS3 and JavaScript for a major manufacturing client.
  • Implemented responsive design to ensure optimal user experience across devices and platforms.
  • Participated in Agile development processes, including sprint/iteration planning, design review, daily stand-ups, and retrospectives.
  • Collaborated with QA engineers to identify and resolve bugs and performance issues.

Senior Developer

Visual BI Solutions
08.2018 - 06.2020

Val Q Admin Portal - Web Portal for user administration

  • Developed webpages and components for the frontend modules based on UI designs using ReactJs and Typescript.
  • Developed backend API's using NodeJs, HapiJs and TypeORM
  • Guiding & Mentoring Junior team members on development needs

Val Q Storage - Storage solution for ValQ custom visual

  • Developed webpages and components for the frontend modules based on UI designs using ReactJs and VanillaJs

VBI View - BI Web Portal to view all reports at one place.

  • Developed webpages and components for the frontend modules using AngularJs
  • Handled cross browser optimization across all browsers
  • Optimized the performance of VBI view website
  • Developed agent API's for storing PowerBI reports and dashboards using Python

Developer

KONE Elevators India Private Limited
02.2016 - 07.2018
  • Created highly reusable React components for UI
  • Worked on creating backend API's to integrate SalesForce and SAP systems using NodeJs, AJAX, PostgreSQL for the application
  • Test case development using Mocha for Unit testing.
  • Handled code refactoring for application enhancement and performance improvement.
  • Helped to optimize the application UI responsiveness for tablet and mobile devices using Bulma.IO Framework
  • Handled Javascript to Typescript code migration
  • Developed Automation test scripts using Selenium Web Driver IO
  • Participated in code reviews
  • Took additional responsibility to support manual testing team and service team with development needs

Engineer

KONE Elevators India Private Limited
09.2013 - 01.2016
  • Development of new products and change request implementation in Sales Application
  • Development of SL BOM and KDOC / GENDOC from Sales Application
  • Implementation of (TP) transfer pricing structure
  • Implementation of (ITE) Installation hour structure
  • Application functionality support for (FL) front line and (GD) global development
  • Source documentation support for supply services, R&D and Installation
  • Responsible for testing of Application changes, pricing structure and installation hours providing Front Line, Global Development and sales configurator key user support on configurations in production system via ticketing tool.

Intern

Ramco Systems
03.2013 - 08.2013
  • Development of ERP applications using Ramco Virtual Works


Education

HSC -

Anderson Higher Secondary School
Kanchipuram
03.2008 - 03.2009

Bachelor of Engineering - Electronics And Communication Engineering

Saveetha Engineering College
Chennai
May 2009 - 05.2013

Skills

React Js

React Native

Javascript

HTML

CSS

Typescript

Webpack

PostgreSQL, MS SQL

Express Js, Hapi Js

Node Js

Jest, React testing library

SASS/SCSS

Camos

Accomplishments

  • Got “Extra miler award” for the good development work done in the onsite trip in KONE.
  • Automated SalesForce user creation using NodeJs API script which reduces huge manual effort and got appreciations from the team for this work.

Onsite Experience

Onsite Trip to Finland (Espoo) - KONE
Time Duration: 05 June 2017 to 18 June 2017(2 weeks)
Purpose of visit:

  • To collaborate and work along with Onsite Developers (who are belongs to the company called Reaktor) for a new feature development called “Extra-large customers addition in NeMO Sales Application”

Onsite Trip to Finland (Espoo) - KONE
Time Duration: 05 Jan 2018 to 10 March 2018 (9 weeks)
Purpose of visit:

  • To work for a new feature development called “24/7 Service addition in NeMO Sales Tool” along with Onsite Developers.
  • Worked in developing new functionalities and did performance optimization for the NeMO sales Application.

Timeline

Senior Consultant - UI Developer

Thoughtworks Technologies (India) Pvt Ltd.
10.2021 - Current

Consultant - UI Developer

Thoughtworks Technologies (India) Pvt Ltd.
06.2020 - 09.2021

Senior Developer

Visual BI Solutions
08.2018 - 06.2020

Developer

KONE Elevators India Private Limited
02.2016 - 07.2018

Engineer

KONE Elevators India Private Limited
09.2013 - 01.2016

Intern

Ramco Systems
03.2013 - 08.2013

HSC -

Anderson Higher Secondary School
03.2008 - 03.2009

Bachelor of Engineering - Electronics And Communication Engineering

Saveetha Engineering College
May 2009 - 05.2013
Sanjeev KumarSenior Consultant - UI Developer