Pratik Jha

Frontend Engineer

Mumbai, Maharashtra, India4 yrs 9 mos experience

Most Likely To SwitchAI ML Practitioner

Key Highlights

Architected AI-driven systems for high user engagement.
Engineered scalable solutions in Fintech and E-commerce.
Boosted developer velocity through reusable assets.

Stackforce AI infers this person is a Frontend Engineer specializing in SaaS and Fintech solutions.

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Skills

Core Skills

React.jsNode.js

Other Skills

REST APIsUser Experience (UX)Google Maps APINon-compete AgreementsHigh-Frequency TradingE-commerce SEOTech Career SkillsGitHubProgramming LanguagesData VisualizationInformation VisualizationTechnology EducationDisaster RecoveryGoogle GeminiDevelopment Tools

About

🚀 Frontend Engineer | React.js | Next.js | JavaScript | TypeScript | UI Engineer | Performance Optimization Frontend-focused Software Engineer with experience building scalable, high-performance web applications and modern user interfaces using the React ecosystem. I specialize in building fast, accessible, and maintainable frontend systems with a strong focus on performance optimization, clean architecture, and great user experience. I enjoy solving complex UI problems, optimizing rendering performance, and building production-scale applications used by thousands of users. 💻 Core Expertise ✅ Frontend Development React.js • Next.js • JavaScript (ES6+) • TypeScript • HTML5 • CSS3 ✅ UI Engineering & Design Systems Component Architecture • Reusable UI Systems • Responsive Design • Accessibility (a11y) ✅ State Management & Data Fetching Redux • Context API • React Query • Zustand • REST APIs • GraphQL ✅ Performance Optimization Web Vitals (LCP, CLS, FID) • Code Splitting • Lazy Loading • Memoization • Virtualized Lists • Bundle Optimization • Critical Rendering Path ✅ UI Libraries & Styling Tailwind CSS • Styled Components • Material UI • Chakra UI ✅ Animations & Interactive UI Framer Motion • Modern UI Patterns • Smooth Micro-Interactions ✅ Backend Familiarity Node.js • API Design • Authentication Flows ✅ Developer Tools Git • Docker (basics) • CI/CD • Jest • React Testing Library

Experience

4 yrs 9 mos

Total Experience

1 yr 7 mos

Average Tenure

1 yr 10 mos

Current Experience

Appinventiv

2 roles

Tech Lead (ReactJS)

Promoted

Apr 2026 – Present · 2 mos · Remote

Frontend Architect scaling AI driven systems

Senior Software Engineer

Aug 2024 – Apr 2026 · 1 yr 8 mos · Remote

Architected an enterprise-scale RAG-based AI chatbot for a global airline, serving 1.2M+ monthly users with
real-time flight support and reducing manual support tickets by 35%.
Engineered a low-latency audio UI module using Groq and Azure AI, achieving sub-500ms voice interaction
response times to enhance accessibility and user engagement.
Spearheaded the design of a Disaster Recovery platform, leading cross-functional teams to deliver
production-grade asset management systems for onsite resolution.
Boosted developer velocity by 40% by building a library of 30+ reusable technical assets and framework tooling
for internal project standardization.
Developed an E-commerce pattern management platform integrated with Etsy and WooCommerce, optimizing
for SEO and improving organic traffic visibility.

React.jsNode.js

Nx block trades pvt ltd

Software Developer

Jan 2024 – Aug 2024 · 7 mos · India

Engineered a High-Frequency Trading (HFT) IRMS using Micro-frontend architecture, improving system
scalability and reducing main-bundle size by 45%.
Optimized Strategy MSA (Micro-service Architecture) with database indexing, resulting in a 20% reduction in API
response times for critical trading data.
Implemented high-performance data sharing across browser tabs using Shared Workers and BroadcastChannel
API, maintaining centralized state control with zero lag.
Built a QueryBuilder and Analytics Dashboard using React-Echarts, enabling quant traders to visualize complex
warehouse data sets in real-time.

React.jsNode.js

Cognizant

Programmer Analyst

Sep 2021 – Jan 2024 · 2 yrs 4 mos · Hyderabad, Telangana, India · On-site

Developed efficient and scalable SPAs and UIs with React, translating designs and wireframes into high-quality code-structures.
Implemented PRS as a hybrid approach to balance the benefits of server-side rendering and client-side rendering
Developed custom, reusable components and stand-alone functions for internal modules.
Responsible for creating the screens with table-less designs meeting W3C standards
Configured Web pack to execute linters, magnifiers, pre/post-
processors, tests, transpires, etc. based on build target.
Improved performance by 40% through optimization techniques in React.
Integrated Redux for effective global state management in web apps.
Ensured cross-browser compatibility by thoroughly testing web applications on popular browsers like
Internet Explorer, Firefox, Safari, Opera, and Chrome.
Wrote application level code to interact with RESTful web services.
Mentored team, promoted knowledge sharing for successful project outcomes.
Performed manual testing using Jest framework, achieving a test coverage of 80%.