Sahil Walecha
Staff Engineer
QUERETARO
Summary
Experienced React specialist with 7+ years of experience developing high-performance web applications. Recognized as a top 10% performer in React Public Test rankings. Proficient in Next js, Redux, and modern frontend frameworks, specializing in scalable component architectures and optimized UI rendering.
Overview
9
9
years of professional experience
4
4
years of post-secondary education
4
4
Certifications
Work History
Staff Engineer
Nagarro
Queretaro
01.2021 - Current
- Architected a scalable, modular React component library adopted across multiple enterprise applications, reducing UI development time by 40% and enabling consistent UX patterns
- Optimized rendering performance in React applications through strategic use of memoization and virtual DOM insights, enhancing runtime efficiency and user experience
- Implemented server-side rendering with Next.js, reducing initial load times by 25% and significantly improving SEO for high-traffic public-facing pages
- Developed and maintained custom React hooks to encapsulate shared business logic, improving code reusability and reducing duplication across teams
- Led the migration from class-based to functional React components with Hooks, improving maintainability and reducing defects by 35%
- Directed the architecture of a dual-channel (B2B & B2C) eCommerce platform using Magento Commerce Cloud, resulting in a 20% increase in conversion rates and improved scalability
- Engineered complex asynchronous data flows from multiple REST APIs using Redux middleware and advanced action orchestration
- Mentored and coached junior and mid-level developers, increasing overall team delivery velocity by 25% and promoting best practices in component design and architecture
Team Lead / Programmer
ITWINGS INFOSYSTEM PRIVATE LIMITED
Gurgaon
09.2019 - 12.2020
- Managed Agile development of government sector projects for GMDA
- Architected Vehicle Challan system using React.js and Redux for state management
- Developed offline-first capabilities using service workers and IndexedDB
- Implemented responsive UI with CSS Grid and Flexbox for cross-device compatibility
- Created reusable React components for the sports application tracking system
- Utilized React Context API for theming and global state management
Software Developer
RICO AUTO INDUSTRIES LTD.
Gurgaon
05.2018 - 02.2019
- Built responsive web interfaces using modern CSS frameworks
- Implemented cross-browser compatible solutions addressing specific browser quirks
- Developed interactive UI elements with vanilla JavaScript and ES6 features
- Utilized BEM methodology for maintainable CSS architecture
- Improved software efficiency by troubleshooting and resolving coding issues.
- Saved time and resources by identifying and fixing bugs before product deployment.
Specialist Software
GLOBUS EIGHT INC
Gurgaon
01.2018 - 03.2018
- Developed Android application for IoT device control using Java
- Created RESTful API client for device communication
- Implemented gesture recognition using Android sensor APIs
- Collaborated with cross-functional teams to achieve project goals on time and within budget.
Intern
Tata Consultancy Services
Noida
06.2017 - 07.2017
- Researched and prototyped NFV and SDN technologies
- Developed network optimization algorithms
- Gained valuable experience working within a specific industry, applying learned concepts directly into relevant work situations.
Intern
IBM India Private Limited
Gurgaon
07.2016 - 08.2016
- Participated in enterprise software development training
- Contributed to a positive team environment by collaborating with fellow interns on group projects and presentations.
- Gained hands-on experience in various software programs, increasing proficiency and expanding technical skill set.
Education
Bachelor of Technology - Computer Science
The NorthCap University
India 01.2014 - 01.2018
Skills
React
Nextjs
Redux
HTML5
CSS3
JavaScript ES6
Context API
Redux Toolkit
Babel
Vite
ESLint
Jest
React Testing Library
GitHub Actions
Jenkins
Vercel Deployments
Lighthouse optimization
Code splitting
Lazy loading
REST API integration
Certification
React - The Complete Guide (incl. Hooks, React Router, Redux), 2023
Timeline
Staff Engineer
Nagarro
01.2021 - Current
Team Lead / Programmer
ITWINGS INFOSYSTEM PRIVATE LIMITED
09.2019 - 12.2020
Software Developer
RICO AUTO INDUSTRIES LTD.
05.2018 - 02.2019
Specialist Software
GLOBUS EIGHT INC
01.2018 - 03.2018
Intern
Tata Consultancy Services
06.2017 - 07.2017
Intern
IBM India Private Limited
07.2016 - 08.2016
Bachelor of Technology - Computer Science
The NorthCap University
01.2014 - 01.2018