Ali is available for hire
Hire AliAli Aizaz
Verified Expert in Engineering
Software Developer
Karachi, Sindh, Pakistan
Toptal member since July 3, 2024
Bio
Ali is a multilingual software developer with five years of formal and informal experience, focusing on full-stack web application programming across multiple frameworks and architectures. He has a strong background in full-stack application development, including JavaScript, React, Next.js, Node.js, TypeScript, and NestJS. Ali prides himself on a proven and varied track record of building comprehensive solutions with tangible results.
Portfolio
Cognet
React, Node.js, Next.js, TypeScript, Claude API, Claude Agent SDK, ChatGPT...
Pumpify
Node.js, Blockchain, Express.js, JavaScript, MongoDB, Solana, turnkey, Multer...
Bestplay Systems S.L.
TypeScript, HTML, CSS, Svelte, SvelteKit, MacOS, iOS, User Interface (UI)...
Experience
- React - 6 years
- PostgreSQL - 5 years
- Tailwind CSS - 5 years
- HTML5 - 5 years
- Node.js - 5 years
- Express.js - 4 years
- Next.js - 4 years
- TypeScript - 4 years
Preferred Environment
GitHub, Visual Studio Code (VS Code), Node.js, Next.js, React, TypeScript, Windows, PostgreSQL, Cursor AI, MacOS
The most amazing...
...solution I've created is the Eden AI extension, which became the number one social media extension on the Chrome Web Store.
Work Experience
Senior Full-stack Engineer
2025 - PRESENT
Cognet
- Built a real-time collaborative workspace app with a custom WebSocket sync engine using CRDT algorithms for conflict-free data replication across 70+ node types.
- Architected an extensible plugin system with a middleware pattern supporting rich text, Kanban, charts, code editor, AI agents, and audio transcription plugins.
- Integrated enterprise SaaS stack (Auth0 authentication, Stripe payments, and Flagsmith feature flags) with TypeScript strict mode and 95% type coverage.
- Delivered a production-ready React 19 SPA with Vite, Plate.js editor, Monaco, TLDraw, Recharts, and Tailwind CSS, deployed on Cloudflare Pages CDN.
- Designed a comprehensive test suite covering sync reliability, WebSocket reconnection logic, tree reducers, and authentication flows using Vitest.
Technologies: React, Node.js, Next.js, TypeScript, Claude API, Claude Agent SDK, ChatGPT, Vercel, Vercel Analytics, AI SDK, Graph Databases, WebSockets, React Flow, TLDraw, Platejs, Shadcn, Dockview, Tables, TanStack Table, TanStack Router, React Motion, Amazon Web Services (AWS), Amazon S3 (AWS S3), API Integration, Cursor AI, Resend, Testing, Startups, Scalability, Security, Page Speed Optimization, Data Engineering, Data Pipelines, Web Animation, Documentation, Dashboards, Stripe, Authentication, Agentic AI, Generative Artificial Intelligence (GenAI), Recharts, Graphs, Electron, Desktop App Development, Vector Databases, Image Processing, AI Design, AI Programming, Neo4j, AI Tools, Slack, Jira, Integration, Model Context Protocol (MCP), User Roles, Payments, Shadcn UI, SaaS, Real-time Data, Role-based Access Control (RBAC), Server Sent Events (SSE), Databases, MVP Design, Full-stack, Amazon Bedrock, Amazon CloudFront, Webhooks, HeyGen, Expo, AI Agents, AI Chatbots, Automation, SMS, Claude Code, Snowflake, Data Quality, GitHub Actions, Software Development, Scalable Application, Scalable Architecture, Scalable Platforms, Claude, Codex, Development, LangGraph, Event-driven Design (EDD), Cloudflare, Loveable, Amazon Redshift, Apache Airflow
Senior Back-end Developer
2025 - 2025
Pumpify
- Built a full-stack Solana blockchain back end using TypeScript, Express.js, Raydium SDK, and Metaplex libraries to enable token creation, liquidity pool management, and DEX operations.
- Integrated Turnkey wallet-as-a-service with OTP authentication for seamless onboarding, automating sub-org creation, and non-custodial wallet generation for each user.
- Developed SPL token minting with Metaplex metadata standards, Arweave storage via Irys, authority revocation, and Raydium AMM integration for liquidity pools and markets.
- Built DeFi swap functionality with Raydium SDK V2 for AMM token swaps, implementing real-time price computation, slippage protection, and optimized transaction execution.
- Created a gamified rewards system with probabilistic distribution (0.1%-100% tiers), eligibility tracking, USDC distribution from the warchest, and comprehensive audit logging.
Technologies: Node.js, Blockchain, Express.js, JavaScript, MongoDB, Solana, turnkey, Multer, Metaplex, CoinGecko API, API Integration, Amazon S3 (AWS S3), Amazon EC2, Raydium, Anchor, Mongoose, Cursor AI, TypeScript, Expo, React Native, Architecture, APIs, Redux, Page Speed Optimization, Fastify, Blockchain Development, Smart Contracts, REST API Architecture, Shadcn, Slack, Integration, MVP Design, Full-stack, Cryptocurrency, Decentralized Exchanges (DEXs), Decentralized Finance (DeFi), Modular, Software Development, Compliance, Claude, Codex, Cryptocurrency Payments, Development
Front-end Developer
2024 - 2025
Bestplay Systems S.L.
- Enhanced user experience and engagement by fixing UI issues and implementing smooth animations across multiple components, resulting in a more visually appealing and intuitive interface.
- Improved mobile usability and accessibility by resolving responsiveness issues on various pages, leading to increased retention rates for mobile users.
- Enabled data-driven decision-making by recommending and integrating Hotjar, helping the team identify user behavior trends, reduce drop-off rates, and optimize critical user flows.
- Increased website stability and performance by addressing TypeScript errors and structural bugs, creating a more reliable and maintainable codebase.
- Accelerated product launch timelines by collaborating effectively with the team, ensuring the product was delivered on time and accessible to end users faster.
Technologies: TypeScript, HTML, CSS, Svelte, SvelteKit, MacOS, iOS, User Interface (UI), User Experience (UX), Front-end Development, PWA, Debugging, C#, JavaScript, Ruby on Rails (RoR), Firebase, Firebase Hosting, Firebase Analytics, Google Analytics for Firebase, Google BigQuery, Hotjar, Heroku, PostgreSQL, APIs, ESLint, Prettier, Front-end, Search Engine Optimization (SEO), Server-side Rendering (SSR), Twilio, Firebase Cloud Messaging (FCM), API Integration, Figma, Mobile First, Optimization, Performance, Responsive, Minimum Viable Product (MVP), Software as a Service (SaaS), Strategy, Leadership, Architecture, UI Development, Page Speed Optimization, REST API Architecture, Slack, Jira, Amazon Bedrock, User Roles, Shadcn UI, Role-based Access Control (RBAC), Google Cloud, Amazon CloudFront, Webhooks, Twilio API, Data Quality, GitHub Actions, Software Development, Compliance, Scalable Application, Scalable Architecture, Scalable Platforms, Development, Google Maps API
Front-end React and Vercel Expert
2024 - 2024
Kyle Foiles
- Developed a Minter application that enabled the minting of Pulsar tokens with a built-in buy-and-burn mechanism, effectively reducing token supply to support deflationary tokenomics and ecosystem sustainability.
- Designed and implemented secure and scalable smart contracts that facilitated smooth user interactions, contributing to the utility and stability of the Pulsar token.
- Leveraged React, Vercel, and TypeScript to build a responsive, high-performance front end, ensuring seamless user experience across devices.
- Integrated AWS and FastAPI to handle back-end operations, providing robust infrastructure and API support for the minter application.
- Ensured data integrity and type safety using Python with Pydantic, maintaining a strong, type-enforced codebase across the project.
Technologies: Front-end, React, Vercel, UX Design, Blockchain, Ethers.js, Web3, Virtual Private Servers, Amazon Web Services (AWS), Python, FastAPI, Pydantic, Pytest, React Query, Testing, Docker, TypeScript, Twilio, API Integration, Figma, Optimization, Performance, Responsive, New Products, Software as a Service (SaaS), UI Development, Blockchain Development, Smart Contracts, REST API Architecture, Integration, Cryptocurrency, Decentralized Exchanges (DEXs), Decentralized Finance (DeFi), Software Development, Cryptocurrency Payments
Front-end Developer
2024 - 2024
Wen Foundation
- Integrated interactive elements and animations using Web Animations API and Framer, and collaborated closely with the designer to ensure design accuracy.
- Integrated Web3.js for user authentication and eligibility verification in a Web3 community, enabling secure wallet connections and automated token balance checks to validate user access.
- Developed and implemented a new landing page design using HTML, CSS, JavaScript, and Tailwind CSS.
- Ensured a responsive UI across various devices and browsers using Next.js and Tailwind CSS.
- Utilized Supabase for back-end integration and deployed the landing page on Vercel for optimal performance.
- Integrated dynamic maps and other interactive components to enhance user engagement.
Technologies: HTML, CSS, JavaScript, Responsive UI, Web Animation, Framer, Next.js, Supabase, Maps, Vercel, Tailwind CSS, Search Engine Optimization (SEO), REST APIs, Material UI, NPM, Single-page Applications (SPAs), Server-side Rendering (SSR), Web3.js, Solana, UX Design, QA Testing, Stripe API, Amazon S3 (AWS S3), AWS Lambda, Twilio, Firebase Cloud Messaging (FCM), API Integration, Figma, Optimization, Performance, Responsive, Software as a Service (SaaS), Strategy, Architecture, UI Development, Blockchain Development, Smart Contracts, Payments, Shadcn UI, Databases, MVP Design, Webhooks, Cryptocurrency, Decentralized Exchanges (DEXs), Decentralized Finance (DeFi), Software Development, Scalable Application, Scalable Architecture, Scalable Platforms, Google Maps API
Full-stack Developer
2023 - 2024
Eden AI
- Spearheaded the design and development of a minimum viable product (MVP) and proof of concept (POC), accelerating the seamless progression of the product development stages.
- Leveraged Supabase’s real-time capabilities to enable real-time chat functionality and notifications, enhancing the user experience.
- Architected and executed a new database structure that increased data query efficiency by 40%, streamlining database deployment and migration processes.
- Integrated Web3 packages, including Web3.js, Moralis, and Ethers, and implemented logics for NFT minting, connecting user wallets to the website and enabling trading, selling, and placing offers on users' NFTs.
- Integrated Supabase into the project, designing the database schema and implementing authentication features allowing secure user sign-up, login, and access control.
- Led the implementation of integral aspects of AMM automated financial calculations, including fee deductions and referral systems, enhancing overall financial operations' accuracy and efficiency.
- Identified and proposed the implementation of Sentry for comprehensive global error management; spearheaded the process of introducing a self-hosted Sentry server, significantly reducing system errors.
Technologies: TypeScript, Supabase, React, Next.js, Node.js, PostgreSQL, Tailwind CSS, Jest, Auth0, Vercel, Web3.js, Sentry, Rust, Express.js, HTML5, CSS3, Web3, HTML, CSS, SEO Tools, APIs, GraphQL, MySQL, OpenAI, Sequelize, Blockchain, Front-end Development, Solana, Ethereum, Redux, Decentralized Applications, Responsive UI, Web Animation, Full-stack, Chrome Extensions, Back-end Development, Web Development, ChatGPT, Artificial Intelligence (AI), Tailwind UI, OAuth, Social Networks, REST APIs, Google Cloud Platform (GCP), Large Language Models (LLMs), Cypress, NPM, Single-page Applications (SPAs), Server-side Rendering (SSR), Full-stack Development, Virtual Private Servers, QA Testing, Firebase Cloud Messaging (FCM), Figma, Responsive, Minimum Viable Product (MVP), New Products, Strategy, Leadership, UI Development, Electron, Desktop App Development, AI Design, AI Programming, Integration, Payments, Server Sent Events (SSE), Databases, Google Cloud, MVP Design, Webhooks, LangChain, AI Agents, SMS, Snowflake, GitHub Actions, Software Development, Scalable Application, Scalable Architecture, Scalable Platforms, Clerk, Nodemailer, Event-driven Design (EDD), Google Maps API
Full-stack Developer
2022 - 2023
Innox
- Developed a responsive admin dashboard from scratch, utilizing React and Framer Motion. The dashboard efficiently manages users and creators, providing insights, analytics, and controls for seamless system administration.
- Implemented OAuth 2 and OpenID Connect (OIDC) configurational tasks along with integrating Web3 authentication using Wagmi, resulting in a high-performance, fault-tolerant, and type-safe front-end experience.
- Architected and implemented critical components of an existing system, which allowed slicing it and reducing its complexity.
- Led the implementation of integral aspects of automated financial calculations, including fee deductions and referral systems, enhancing financial operations' overall accuracy and efficiency.
- Added scheduled tasks, queues, and webhooks for user subscription billing cycles and built a custom log parser to manage events.
- Assisted dApp developers with the seamless integration of the React library such as Web3 and Ethers.js, improving the contract's versatility and efficiency.
Technologies: TypeScript, Firebase, PostgreSQL, Tailwind CSS, Next.js, React, Node.js, Express.js, React Native, Ethers.js, Stripe, HTML5, CSS3, HTML, CSS, SEO Tools, APIs, GraphQL, NextAuth.js, Communication, Styled-components, Blockchain, Front-end Development, Ethereum, Decentralized Applications, Web3, Responsive UI, Web Animation, Full-stack, Back-end Development, Web Development, Tailwind UI, OAuth, REST APIs, Large Language Models (LLMs), Cypress, NPM, Single-page Applications (SPAs), Server-side Rendering (SSR), Full-stack Development, Stripe API, Firebase Cloud Messaging (FCM), Agora, Figma, New Products, Leadership, Integration, User Roles, Databases, Amazon CloudFront, SMS, Snowflake, GitHub Actions, Cryptocurrency, Software Development, Cryptocurrency Payments, Clerk, Nodemailer
Web Developer
2022 - 2022
Emergen
- Designed and developed an app that enables users to subscribe to authors in their field of interest, facilitating access to relevant books and articles.
- Utilized Supabase RPC functions to handle business logic in the app, ensuring reliable and predictable communication between the front end and back end.
- Developed a subscription management service using Node.js and Stripe APIs. Enabled users to create, delete, and renew subscriptions for multiple authors.
- Worked on the data visualization part, building the charts in the dashboard and allowing upper management to view and analyze statistical subscription data in an easy-to-understand way.
- Migrated the internal service application that all service centers run on to a custom in-house stack that used Node.js, Express.js, React, and Redux.
- Designed and developed UI components and services to facilitate dashboards, payment, payouts, administration, and subscriptions.
Technologies: Node.js, JavaScript, React, Next.js, Firebase, TypeScript, Front-end, Back-end, Full-stack, MongoDB, Prisma, TypeORM, Tailwind CSS, HTML, CSS, Supabase, Stripe, SEO Tools, APIs, GraphQL, MySQL, Communication, Sequelize, Styled-components, Planning, Architecture, Front-end Development, UI Design, Bundler, Stripe API, NGINX, Responsive UI, Back-end Development, Web Development, Tailwind UI, OAuth, Search Engine Optimization (SEO), REST APIs, Material UI, Cypress, NPM, Single-page Applications (SPAs), Server-side Rendering (SSR), Virtual Private Servers, Amazon S3 (AWS S3), AWS Lambda, Databases, Expo, Azure, Software Development, Clerk, Nodemailer
Software Engineer
2019 - 2022
BitsFrame
- Developed new charts and features and improved architecture and performance leveraging React, styled-components, and Jest. I also wrote various unit and E2E tests.
- Streamlined user interface functionalities by unifying all form actions utilizing React Hook Form and Yup validations, which led to an intuitive and error-free user experience.
- Demonstrated proficiency in modern web development by contributing to several intricate web projects, resulting in enhanced user experience and performance.
- Authored a comprehensive set of Confluence documents outlining SEO best practices, contributing to enhanced web visibility and improved site rankings.
- Showcased expertise in modern web development by contributing to several intricate web projects utilizing React/Redux, resulting in enhanced user experience and performance.
- Implemented state management solutions to simplify complex data flows and reduce boilerplate code within Svelte components.
- Utilized SvelteKit's SSR (Server-Side Rendering) capabilities to improve load times and provide a smoother user experience across devices.
- Integrated Svelte animations to create engaging and interactive interfaces, contributing to a more polished, professional user experience.
Technologies: Auth0, Next.js, Node.js, React, Prisma, MongoDB, SQL, Redis, Vercel, Google Analytics, React Redux, Express.js, Stripe, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, Docker, NestJS, React Hook Form, Yup, SEO Tools, APIs, NextAuth.js, Communication, Front-end Development, UI Design, Bundler, NGINX, Responsive UI, React Native, Back-end Development, Web Development, Svelte, SvelteKit, Tailwind UI, OAuth, Search Engine Optimization (SEO), REST APIs, Material UI, Cypress, NPM, Single-page Applications (SPAs), Server-side Rendering (SSR), UX Design, Virtual Private Servers, Azure, Software Development, Google Maps API
Experience
Thermite Ticketing System | Front-end Development
Thermite is a ticketing system inspired by my experience using the various ticketing systems in the water company I worked for before graduating. After graduation, I wanted to start a professional project, so I created something similar to the ticketing systems I worked with. I provided detailed requirements and user stories for the project, ultimately creating Thermite. The system combines the best features of existing ticketing systems and adds some unique functionalities to make it more user-friendly.
POS Pluto | Full-stack Development
POS Pluto is a web development project that utilizes a variety of tools and techniques to create a custom POS (point of sale) builder. This project is built using Next.js, a popular React framework that enables server-side rendering, static site generation, and API routes. It also uses Tailwind CSS for styling, React Hook Form for form handling, Prettier for code formatting, and Yup for form validation.
Skeleton Punks | Front-end Development
Skeleton Punk is a project that allows users to create and mint their NFTs using OpenZeppelin's ERC-721 contract and Hardhat. The project includes a webpage where users can connect their MetaMask wallets and mint the NFTs.
Developed and deployed robust smart contracts for ERC 7210 iTokens and significant ERC 20 tokens, utilizing complex internal logic to bolster the efficiency and reliability of blockchain transactions.
Developed and deployed robust smart contracts for ERC 7210 iTokens and significant ERC 20 tokens, utilizing complex internal logic to bolster the efficiency and reliability of blockchain transactions.
Education
2018 - 2022
Bachelor's Degree in Computer Science
DHA Suffa University - Karachi, Pakistan
Certifications
SEPTEMBER 2023 - PRESENT
Principles of UX/UI Design
Coursera
SEPTEMBER 2023 - PRESENT
Advanced React
Coursera
AUGUST 2023 - PRESENT
Programming with JavaScript
Coursera
AUGUST 2023 - PRESENT
DevOps on AWS: Code, Build, and Test
Coursera
AUGUST 2023 - PRESENT
HTML and CSS in Depth
Coursera
AUGUST 2023 - PRESENT
Version Control
Coursera
Skills
Libraries/APIs
React, Node.js, React Redux, React Hook Form, Yup, Zod, Stripe API, REST APIs, Google Maps API, Web3.js, Stripe, NumPy, Pandas, Twilio API, OpenZeppelin, Wagmi, Pydantic, React Query, CoinGecko API, Claude API, React Flow, TanStack Table, React Motion, Recharts
Tools
GitHub, Git, Prisma, Sequelize, Bundler, NGINX, ChatGPT, NPM, Firebase Cloud Messaging (FCM), Agora, Figma, Shadcn UI, Expo, Shadcn, Amazon CloudFront, Claude Code, Claude, Codex, Sentry, Apache Airflow, Jira, Slack, Auth0, Webpack, Google Analytics, MetaMask, Pytest, Firebase Analytics, Google Analytics for Firebase, Hotjar, Prettier, Multer, Mongoose, Claude Agent SDK, AI SDK, TanStack Router
Languages
TypeScript, HTML5, CSS, JavaScript, SQL, CSS3, HTML, GraphQL, Python, Snowflake, Rust, Solidity, C#
Frameworks
Next.js, Tailwind CSS, Bootstrap, Express.js, React Native, NestJS, OAuth 2, Redux, Material UI, Cypress, Jest, Svelte, Electron, Fastify, LangGraph, Hardhat, Ruby on Rails (RoR), Anchor
Paradigms
REST, UI Design, Search Engine Optimization (SEO), UX Design, Responsive, REST API Architecture, Model Context Protocol (MCP), Scalable Application, Testing, DevOps, Desktop App Development, Role-based Access Control (RBAC), Automation, Event-driven Design (EDD)
Platforms
Windows, Visual Studio Code (VS Code), Vercel, Firebase, Blockchain, AWS Lambda, Twilio, Clerk, MacOS, Docker, Amazon Web Services (AWS), Ethereum, Google Cloud Platform (GCP), Azure, Decentralized Exchanges (DEXs), iOS, Heroku, Amazon EC2
Storage
PostgreSQL, MongoDB, MySQL, Amazon S3 (AWS S3), Databases, Redis, Data Pipelines, Google Cloud, Graph Databases, Neo4j
Other
Supabase, User Interface (UI), User Experience (UX), ESLint, Front-end, Back-end, Full-stack, TypeORM, SEO Tools, APIs, Communication, Styled-components, Planning, Architecture, Front-end Development, Startups, Decentralized Applications, Responsive UI, Web Animation, Chrome Extensions, Back-end Development, Web Development, Artificial Intelligence (AI), Tailwind UI, OAuth, Social Networks, Social Networks Development, Large Language Models (LLMs), Single-page Applications (SPAs), Server-side Rendering (SSR), Full-stack Development, Virtual Private Servers, FastAPI, QA Testing, API Integration, Mobile First, Optimization, Performance, Minimum Viable Product (MVP), New Products, Software as a Service (SaaS), Strategy, Leadership, UI Development, Page Speed Optimization, Smart Contracts, Integration, Payments, MVP Design, Webhooks, HeyGen, Cryptocurrency, Software Development, Scalable Architecture, Scalable Platforms, Cryptocurrency Payments, Development, Nodemailer, Amazon Redshift, Ethers.js, Web3, Solana, SvelteKit, Security, Data Engineering, Agentic AI, Vector Databases, Image Processing, AI Design, AI Programming, AI Tools, Amazon Bedrock, User Roles, SaaS, Real-time Data, Server Sent Events (SSE), LangChain, AI Agents, AI Chatbots, SMS, Data Quality, GitHub Actions, Decentralized Finance (DeFi), Modular, Compliance, Cloudflare, Loveable, Calculus, Version Control, Accessibility, Prototyping, User Experience Design, Storybook, CORS, Computer Science, OpenID Connect (OIDC), ERC-721, Point of Sale, POS, OpenAI, NextAuth.js, Framer, Maps, Uniswap, PWA, Debugging, Firebase Hosting, Google BigQuery, turnkey, Metaplex, Raydium, Cursor AI, Vercel Analytics, WebSockets, TLDraw, Platejs, Dockview, Tables, Resend, Scalability, Documentation, Dashboards, Authentication, Generative Artificial Intelligence (GenAI), Graphs, Blockchain Development
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