Faisal Seraj
Verified Expert in Engineering
React Redux Developer
Swat, Khyber Pakhtunkhwa, Pakistan
Toptal member since November 18, 2024
Faisal Seraj is a senior full-stack engineer with 6+ years of experience building scalable, production-ready SaaS and web applications. He specializes in React, Next.js, Node.js, Stripe integrations, API-first architecture, DevOps, and TDD. Faisal delivers AI-powered solutions using OpenAI, LLMs, and RAG pipelines, leveraging AI tools to deliver efficiently and sustain long-term, high-trust client engagements.
Portfolio
Experience
- Node.js - 7 years
- React Redux - 7 years
- React - 7 years
- React Native - 7 years
- ChatGPT Prompts - 3 years
- ChatGPT API - 3 years
- OpenAI API - 3 years
- React Query - 3 years
Work Experience
Senior Full-stack Developer
Systems Ltd pakistan
- Developed an internal employee management portal using AEM with React SPA. Utilized Node.js, Java servlets, and APIs alongside AEM OAuth 2.0 for secure, efficient user interactions and data handling.
- Developed the next-generation sales app, a hybrid solution with web-client views rendered in a React Native app. Lead full-stack developer, leveraging React, React Native, and Node.js to enhance user engagement and streamline sales processes.
- Developed an educational platform for SCHOLASTIC, facilitating student submissions and teacher reviews. Implemented features for grading and awarding gold, silver, and bronze medals to top performers, enhancing academic recognition and engagement.
Full-stack Developer
Techverx
- Developed a Smart Parking system using Next.js and Node.js, integrating Google Maps for enhanced navigation, marker clustering, and route directions. Features robust calendar management for efficient scheduling. Optimized for online discovery.
- Developed a job assignment portal with React Beautiful DND and Next.js featuring a drag-and-drop interface and real-time updates via Hasura.io and web sockets, enhancing task management and user engagement.
- Developed a property display portal for the NTRIES system using Next.js, with Node.js back-end APIs fetching data to be stored in Azure DB for enhanced access and management.
Experience
Businesses Management Web App for Wifiten
The platform features advanced email systems, dynamic campaign tools for personalized marketing, and a comprehensive logging system for user activity and system events, enhancing performance and user experience. Additionally, integration with Google indexing and OpenAI optimizes lead generation and employs advanced AI for data insights. Google Maps and sophisticated dashboards provide intuitive navigation and real-time data visualization.
This project demonstrates my capability to develop scalable systems and strategic digital solutions that align technological advancements with business goals, showcasing my technical expertise and strategic approach to delivering high-quality digital solutions. It stands out in my portfolio as a testament to my innovation and technical prowess.
Full-stack AI Platform Development - Memporal
The platform is a powerful AI tool that will have potential customers in the future.
HITS Towing Manager
Hunt It Services
https://huntitservices.comBuilt as a high-performance single-page application, the platform tells the story of how complex operational software is delivered at scale, combining clean visual presentation with enterprise-grade front-end architecture. It showcases the company’s expertise in smart parking enforcement, towing workflows, inventory systems, and custom software development—reflecting the same performance, reliability, and attention to detail found in its live SaaS products.
Faisal Seraj Portfolio
https://faisalseraj.comThe platform highlights end-to-end projects I’ve built and shipped, including AI-powered SaaS tools, parking and towing management systems, and complex web applications used in live production. It demonstrates my focus on clean system design, performance optimization, SEO-first implementation, and scalable front-end architecture mirroring the same standards I apply when building commercial products for clients.
Built with a modern React and Next.js stack, the site emphasizes clarity, speed, and technical credibility, serving both as a professional presence and a technical reference point for clients evaluating long-term engineering partners rather than short-term task execution.
Education
Master's Degree in Computer Science
University of Swat - Swat, Kp, Pakistan
Bachelor's Degree in Computer Science
Univeristy of Swat - University Of Swat, VC2R+XWP, Swat, Khyber Pakhtunkhwa, Pakistan
Certifications
ChatGPT Mastery - Prompt Engineering
AI Pro University
Skills
Libraries/APIs
React, React Redux, Node.js, OpenAI API, React Hook Form, React Query, Google Maps, SerpApi, React DnD, Google API, CanvasJS, Three.js, Plaid API, API Development, Mapbox API, Google Maps API, AWS Amplify, Dexie.js, Currency Cloud API, FFmpeg, Livestream API, Stripe, Socket.IO, Vue, REST APIs, PyTorch, WhatsApp API, Puppeteer, Twilio API, D3.js, Playwright, Claude API, ArcGIS, Stripe API, Instagram API, React Router, Amazon EC2 API, Acuity Scheduling API, Google Sheets API
Tools
Cron, Query Plan, Git, GitHub, Figma to HTML, Asana, Trello, Chatbox, Canvas, Sentry, PM2, Turbo, Shadcn, Mongoose, Azure Kubernetes Service (AKS), NGINX, Docker Compose, Claude, Expo.io, Google Sheets, Zapier, Shopify Plus, FileMaker Pro, Google Vision AI, Expo, Amazon Simple Queue Service (SQS), JSON Schema, Prisma, Claude Code, GIS, Wix, JSX, Figma, n8n, Adobe Experience Manager (AEM), Slack, Android Studio
Languages
JavaScript, TypeScript, CSS, HTML, HTML5, Python, PHP, Markdown, GraphQL, Bash, SQL, Go, CSS3, Java 14, JavaScript 6, Python 3, C#, C++, Rust, Java
Frameworks
Next.js, Tailwind CSS, WebApp, JSON Web Tokens (JWT), Express.js, NestJS, ASP.NET Web API, Django, LangGraph, Cypress, Redux, Next.js 14, Jest, Flutter, Laravel, Angular, Bootstrap, Selenium, React Native, Electron
Paradigms
Web Performance Optimization (WPO), App Development, UI Design, DevOps, API Architecture, Serverless Architecture, Mobile Design, Responsive Web Design (RWD), UX Design, Back-end Architecture, Search Engine Optimization (SEO), Testing, Mobile App Design, Database Design, Visual Design, Mobile Development, Gang of Four (GOF) Design Patterns, Automation, Offline-first Development, Refactoring, Asynchronous Programming, HL7 FHIR Standard, Microservices Architecture
Platforms
iOS, WordPress, Backendless, Heroku, Amazon Web Services (AWS), Google Cloud Platform (GCP), Azure, Linux, Web, Mapbox, Vercel, Power Automate Desktop Flow, Docker, Kubernetes, Storyblok, Firebase, Salesforce, DigitalOcean, Twilio, LiveKit, Android, Webflow, Shopify, FlutterFlow, Algolia, Netlify, Replit, Amazon EC2, Windows Server, GoHighLevel, Visual Studio Code (VS Code)
Storage
MySQL, MongoDB, Redis, Databases, PostgreSQL, JSON, Microsoft SQL Server, Hasura, Elasticsearch, Database Structure, PostGIS, Azure SQL, Google Cloud
Industry Expertise
Web Design, E-learning, Project Management, Photography, Social Media, Healthcare, Telecommunications
Other
ChatGPT API, ChatGPT Prompts, OpenAI, Lead Generation, Web App Development, Figma to React, APIs, Full-stack, Web UI, Application State Management, CI/CD Pipelines, Complex Problem Solving, Creative Problem Solving, Collaboration, Cross-browser Compatibility, Version Control Systems, Version Control, UX Wireframes, UI Components, RESTFul APIs, Performance Optimization, Figma Prototyping, Web Development, AI Design, AI Programming, Artificial Intelligence (AI), Coding, API Integration, Software Development, Software, Google SEO, Chatbots, Large Language Models (LLMs), Full-stack Development, Email Authentication, FastAPI, Web UX, Data Cloud, Inventory Management, Inventory Tracking, Supabase, Back-end, Payment Processing, Development, Front-end Development, Dashboards, Design, Discord, SaaS, Mobile eCommerce, Integration, Landing Pages, Online Payments, AI Model Training, Learning Management Systems (LMS), Mobile Apps, Design Systems, Front-end, DNS, Debugging, SSH, GoDaddy, WebSockets, API Design, API Testing, AI-generated Code, Cursor AI, Deployment, Vite, English, Applicant Tracking Software (ATS), SSL Certificates, Transport Layer Security (TLS), AI Agents, Authentication, Autonomous AI, LangChain, Pub/Sub, CTO, Fractional CTO, Minimum Viable Product (MVP), AI Integration, CRM APIs, Analytics Implementation, Server-side Rendering (SSR), Framer, Retrieval-augmented Generation (RAG), Supabase Auth, Natural Language Processing (NLP), LiveStream, Video Livestreaming, Machine Learning, Branding, User Interface (UI), User Experience (UX), Deno, Back-end Development, Document Parsing, Optical Character Recognition (OCR), Scalability, Vibe Coding, Marketplaces, Portals, GraalVM, RESTful Microservices, Telemetry, Gemini, Workflow Diagrams, Security, eCommerce, Code Review, Early-stage Startups, UX Engineering, Software Architecture, Product Engineering, Troubleshooting, Website Maintenance, Authorization, Content Management Systems (CMS), Website Optimization, Data Analysis, Data Visualization, Web Scraping, Documentation, PayPal, Payment Gateways, Scheduling, Exercise & Fitness, Image Processing, Row-level Security (RLS), Gmail, Architecture, CSS5, Anthropic, RAG Architecture, Web App UX, Cloud Architecture, Infrastructure, Payment APIs, Production, Code Auditing, Game Development, Web Applications, WPGraphQL, Integration Testing, PDF, Generative Pre-trained Transformers (GPT), HTML Templates, AWS Cloud Architecture, AirPlay, Casting, Chromecast, Video Streaming, Data Reporting, Shopify Customizations, Shopify Design, Bootstrap 5, Admin Panels, Geolocation, Mobile App Development, Contract, Contract Drafting, Contract Lifecycle Management (CLM), DocuSign, Spreadsheet Automation, Communication, Health IT, Email, Webhooks, App Design, Apps, Healthcare IT, Strapi, Leadership, SMS, Agentic AI, AI Social Media Content Creation, Digital Marketing, Headless CMS, Asynchronous REST APIs, Lovable, HL7, Progressive Web Applications (PWAs), Queue Management, AI Chatbots, Dashboard Development, Charts, Dashboard Design, Real Estate, System Architecture, Enterprise SaaS, Senior Users, Airtable, AI Tools, Unbounce, Landing Page Optimization, AssemblyAI, Speech-to-Text (STT), Buyer Personas, Customer Acquisition, Growth Hacking, Growth Strategy, Marketing Analytics, Agentic Workflow Design, LLM Integration, Data Engineering, Satellite Images, Component-based Architecture, Fintech, Proptech, Responsive UI, Squarespace, Reporting, User Authentication, Subscriptions, Multi-tenant SaaS, Open-source LLMs, Generative Artificial Intelligence (GenAI), North America, Prompt Engineering, Embeddings from Language Models (ELMo), Budgeting, Electronic Payments, Saudi Arabia, Software as a Service (SaaS), Consumer Applications, Grocery Delivery, Product Requirements Documentation (PRD), Technical Leadership, Email Campaigns, User Management, SMS Marketing, Motion AI, Scroll Animations, AWS DevOps
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