Senior Experience Engineer · 8+ years
Suraj Sanwal
Frontend Architecture · React · Next.js · GenAI · Cloud-native
Faridabad, Haryana, India · sonusanwal65@gmail.com · +919760843156
https://www.linkedin.com/in/ssanwal/ · https://github.com/surajSanwal · https://www.surajsanwal.info/
Summary
Senior Experience Engineer with 8+ years of experience building scalable digital experiences across enterprise platforms, specializing in React, Next.js, frontend architecture, performance, accessibility and AI-powered applications.
Skills
- Frontend: React, Next.js, TypeScript, JavaScript, Vue.js, HTML, CSS, SCSS, Tailwind CSS, Bootstrap, Material UI
- Mobile: React Native, Android, iOS, Flutter
- Architecture: Frontend Architecture, Microfrontends, Reusable Component Architecture, Microservices, Sharetribe Flex
- State & Data: TanStack Query, Redux, Redux Thunk, Redux Saga, RTK Query, Zustand
- AI: Generative AI, Agentic AI, RAG, Google Vertex AI, Vector Databases, AI-assisted Development
- Backend: Node.js, Express.js, Hapi.js, Python, FastAPI
- Databases: MongoDB, SQL, PL/SQL
- Cloud & CI/CD: AWS, Google Cloud / GCP, Jenkins, GitLab CI, GitHub Actions, AWS CodePipeline, Fastlane
- Quality & NFR: Web Vitals, Accessibility, Performance, Security, SEO, Jest, Cypress, Playwright, React Testing Library
- Tools: Git, Bitbucket, GitLab, JIRA, Swagger, Postman, Docker
Experience
Senior Experience Engineer · Publicis Sapient
Sep 2025 - Present
Gurugram, India · React, Tailwind CSS, TanStack Query, JavaScript, API Integration, Python
Leading frontend architecture and delivery for Verizon’s NGD (Next Generation Digital) BYOD journey — translating complex business requirements into scalable, high-performance, user-centric web experiences.
- Spearheading frontend architecture and delivery for Verizon’s BYOD journey under the NGD transformation.
- Leading, mentoring, and scaling a team of 10 frontend engineers while partnering with product, design, and backend teams.
- Winner of The PS Aspire SPEED Awards 2026 for innovation and rapid problem-solving.
- Driving Architecture, Automation, and Upgrade (AU) initiatives to improve performance, scalability, and maintainability.
- Championing modern frontend practices, reusable components, and design-system adoption.
Experience Engineer L2 · Publicis Sapient
Jul 2021 - Sep 2025
Gurugram, India · React, Next.js, Webpack, JavaScript, HTML5, CSS3
Delivered performance-driven web applications for a major US telecommunications client across Sales, Logistics, Telecommunications, and Education.
- Drove site optimization that improved load time, responsiveness, and overall user experience on large customer-facing platforms.
- Specialized in non-functional requirements: performance, accessibility (a11y), and SEO.
- Led Webpack optimization and bundle analysis to reduce application size and improve runtime efficiency.
- Built and enhanced learning platforms with Next.js, semantic HTML, modern CSS, and test-driven development.
- Strengthened quality with Jest, Cypress, and Playwright for unit, component, and end-to-end tests.
- Provided production support with a focus on availability, incident resolution, and reliability.
Software Engineer · Appinventiv
Aug 2020 - Jul 2021
Noida, India · React, React Native, JavaScript, REST APIs, Sharetribe Flex, RTL
Frontend delivery with React and React Native across healthcare and marketplace platforms, including client-facing product work.
- Led React.js application development with an emphasis on performance, scalability, and clean architecture.
- Shipped Arabic mobile experiences with RTL layout support and localization-aware UI.
- Built interactive UI with advanced animations and reusable components.
- Participated in client communication, requirement gathering, and solution design.
- Mentored engineers on React.js and React Native delivery.
- Implemented Sharetribe Flex for customizable marketplace solutions.
- Led frontend work on a US healthcare platform for COVID-19 operations across patients, hospitals, and labs.
Software Associate II · smartData Enterprises
Sep 2019 - Jun 2020
Chandigarh, India · React, React Native, Node.js, JavaScript, REST APIs, RTL
Web and mobile frontend across healthcare and retail, with expanding Node.js full-stack work.
- Built scalable UI components in React.js and React Native with a focus on performance and usability.
- Collaborated with design, backend, and QA to ship reliable releases.
- Led frontend efforts on healthcare products to improve interface quality and flow.
- Contributed as a Node.js developer on selected projects, improving API performance and server-side behavior.
- Worked on Arabic and multilingual applications with LTR/RTL and localization practices.
Software Associate I · smartData Enterprises
Sep 2018 - Aug 2019
Chandigarh, India · React, React Native, Node.js, JavaScript, REST APIs, Agile
Scalable web and mobile interfaces, with growing full-stack responsibility.
- Implemented responsive React.js and React Native interfaces with attention to performance.
- Translated client requirements into technical specs and maintainable implementations.
- Debugged production issues to keep applications reliable.
- Integrated APIs and contributed to Node.js backend work as part of system delivery.
- Practiced Agile delivery with design, backend, and QA partners.
Software Consultant · smartData Enterprises
Jan 2018 - Aug 2018
Sahibzada Ajit Singh Nagar, India · React, Node.js, JavaScript, HTML5, CSS3, REST APIs
Foundation in full-stack web development across React.js and Node.js, from feature design through delivery.
- Built and troubleshot real-world React.js and Node.js applications.
- Designed end-to-end features and learned full-stack architecture patterns.
- Improved reliability through debugging and performance work.
- Practiced coding standards and SDLC with team and client collaboration.
- Gained early exposure to project management and on-time delivery.
Selected projects
- Leza-MDLZ AI Platform — Custom GPT Solution for Mondelez International. Proprietary AI assistant platform for Mondelez International and an internal alternative to external ChatGPT usage.
- HarriotReviveAI. AI-powered solution helping hospitality businesses recover from declining occupancy through data-driven strategy. ASPIRE SPEED Hackathon 2026 winner with team Turbo Titans.
Education
Master of Computer Applications (MCA), Computer Science
Amrapali Group of Institutes, Haldwani · 2016-2018 · 75%
Bachelor of Computer Applications (BCA), Computer Science
Amrapali Group of Institutes, Haldwani · 2013-2016
Awards
The PS Aspire SPEED Awards 2026 · Winner
Publicis Sapient
Best Coder of the Floor · Honor
Engineering recognition
Certifications
- Non-Functional Requirements in the Cloud Part 1: Overview · Cloud / architecture
- Software Architecture: From Developer to Architect · Architecture
- React Testing Library with Jest / Vitest · Testing
- SQL (Basic) Certificate · HackerRank (2021)
- JavaScript Intermediate · HackerRank (2021)
- JavaScript Basic · HackerRank (2021)
- Front End Web Development: Complete Guide · Udemy (2021)
- Certificate in Computer Application · Computer applications
- php MySQL · Amrapali Group of Institutes
- CutShort JavaScript Basic · CutShort
- CutShort React Native Basic · CutShort
- Translating Policy to Practice · Right to Education
Languages
English (Professional working proficiency) · Hindi (Native or bilingual proficiency) · Kumauni (Native or bilingual proficiency) · Punjabi (Elementary proficiency)