Sanjay Mansel

Sanjay Mansel

Frontend Engineer

Transforming ideas intoelegant solutions

Senior Frontend Engineer & Tech Lead specializing in building scalable, high-performance web applications. Leading teams and driving innovation with cutting-edge technologies.

13+
Years Experience
50+
Projects Delivered
100%
Client Satisfaction

Skills & Expertise

Full-stack capabilities with deep frontend expertise

React.js

TypeScript

JavaScript

Node.js

Next.js

Redux

Tailwind CSS

Java

Spring

HTML5

CSS3

Leadership & Management

Technical Leadership

Guiding architecture decisions

Team Management

Leading 10+ engineers

Mentorship

Developing junior talent

Code Reviews

Ensuring quality standards

Experience

13+ years across global companies

Current Role

Tech Specialist

Kumaran Systems
Aug 2025 – Present
Chennai, India
10+Team Size
2 ProjectsImpact
  • Managing team of 10 employees with technical guidance
  • Overseeing Swap Logistics and Insurance platform projects
  • Directing task assignments for project stability

Senior Front-end Developer

Optimum Solutions
Feb 2025 – Aug 2025
Mashreq Bank
BankingImpact
  • Developed core loan payment features using React
  • Implemented secure financial workflows

Senior Frontend Engineer

Revcomm Inc.
Jul 2023 – Nov 2024
Tokyo, Japan
4Team Size
<1s LoadImpact
  • Built <1s CSV processing for 30K+ rows
  • Led team of 4 developers with reliable releases

Tech Lead

State Street
Sep 2019 – Nov 2022
Bengaluru, India
6 ProjectsImpact
  • Developed React framework adopted by 6 projects
  • Guided multiple teams on best practices

Senior Software Engineer

HCL Technologies
Jan 2017 – Aug 2019
Bengaluru, India
$1M SavedImpact
  • $1M annual cost savings through optimization
  • Led ExtJS to React modernization POC

Senior Software Engineer

Walking Tree Consultancy
Jan 2016 – Dec 2016
Hyderabad, India
UI UpgradeImpact
  • Architected UI upgrade for risk management engine
  • Built custom ExtJS components with Sencha Touch
  • Enforced coding standards through systematic code reviews

Software Engineer

Tata Consultancy Services
Dec 2012 – Dec 2015
Mumbai, India
6Team Size
Zero BugsImpact
  • Achieved first-time bug-free releases through rigorous testing
  • Modernized platform from HTML to ExtJS framework
  • Developed reusable PL/SQL functions across projects

Let's Work Together

Have a project in mind or want to discuss opportunities? I'd love to hear from you.

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