
Ayush Agrawal
Verified Expert in Engineering
Software Developer
Bahraich, Uttar Pradesh, India
Toptal member since April 8, 2026
Ayush is a results-driven full-stack developer with 4.8+ years of experience building scalable, high-performance web applications using React, Next.js, Vue, and Node.js. He specializes in crafting seamless user experiences. He optimizes system performance and delivers data-driven solutions that enhance engagement and business growth.
Portfolio
Experience
- Vue - 5 years
- JavaScript - 5 years
- React - 5 years
- Next.js - 5 years
- Node.js - 5 years
- Go - 4 years
- TypeScript - 4 years
- Python - 3 years
Preferred Environment
React, JavaScript, Next.js, TypeScript, HTML, API Integration, PostgreSQL, MySQL, Python, Go
The most amazing...
...development I've lead for an AI-powered CRM boosted customer retention through personalized, data-driven engagement strategies.
Work Experience
Web and iOS App Developer
MyBibleLens
- Implemented React 19 concurrent rendering model, the custom geometry algorithm for Bezier connections, and the real-time synchronization engine used for multi-user collaboration. It covers everything from viewport math to iOS performance optimization.
- Implemented the AI Gateway design, including the automated fallback logic between Gemini, Claude, and GPT-4o. It also breaks down the Vision AI processing for physical scripture analysis and the DALL-E 3 generative art pipeline.
- Added a Supabase/PostgreSQL back end, integrated the Stripe monetization and seat-management system, and developed a comprehensive DevOps/observability setup using Sentry, addressing security and GDPR compliance workflows.
Senior Software Development Engineer
doodleblue
- Led full-stack development of AICRM, an AI-powered personalization engine boosting customer retention through RFM-based segmentation.
- Architected data pipelines integrating CRM systems, improving offer accuracy by 30%.
- Redesigned front-end architecture using reusable React components, improving development speed by 25%. Optimized the API layer for scalability, reducing latency by 18%.
- Collaborated across AI and design teams to deliver insights-driven features, increasing user engagement.
Software Development Engineer
Welocalize
- Developed and optimized data pipelines supporting AI/ML model training workflows.
- Automated labeling and QA pipelines, increasing dataset consistency and throughput by 20%.
- Implemented tools for model evaluation visualization, enhancing collaboration between data scientists and engineers.
Software Development Engineer
Mobcoder
- Developed core modules for Magnifi, an AI-powered investment platform integrating brokerage APIs. Implemented realtime WebSocket dashboards for live stock analytics and charting.
- Improved application responsiveness and performance by 25% via optimized state management.
- Worked on the bidding platform for the buyer, seller, and financier.
Experience
MyBibleLens
https://mybiblelens.us/InvoiceMart
https://www.invoicemart.com/Education
Bachelor's Degree in Computer Science
APJ Abdul Kalam Technical University - Lucknow, India
Skills
Libraries/APIs
React, Node.js, Vue, Stripe, REST APIs, React Navigation, Three.js
Tools
GoLand, Slack, Git, NPM, Capacitor, GitHub, Claude Code, Jira, Codex, Webpack
Languages
JavaScript, TypeScript, Python, Go, CSS, HTML, GraphQL
Frameworks
Next.js, React Native, Tailwind CSS, Angular, Redux, Material UI, Yarn, Express.js, NestJS
Platforms
Amazon Web Services (AWS), Vercel, Firebase
Storage
PostgreSQL, MySQL, MongoDB
Paradigms
Testing
Other
Cursor AI, Artificial Intelligence (AI), APIs, Full-stack, Front-end, Figma to React, Payment APIs, Payments, User Experience (UX), Security, API Integration, Supabase, CI/CD Pipelines, Technical Architecture, CRM, Customer Relationship Management (CRM), Full-stack Development, User Interface (UI), User Roles, Vite, AI Tools, Casino Games, WebSockets, Technical Leadership, Web Development, FastAPI, Front-end Development, Supabase Auth, Optical Character Recognition (OCR), Gemini API, QR Codes
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring