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
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
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