Abdul Haseeb
Verified Expert in Engineering
Full-stack Engineer and Developer
Islamabad, Islamabad Capital Territory, Pakistan
Toptal member since May 1, 2026
Abdul is a senior full-stack engineer with 5+ years of experience building scalable cloud systems, high-performance web applications, and data platforms that deliver real results. He operates across the full stack, from back-end architecture to front-end development and analytics pipelines, always with a sharp focus on performance and cost efficiency. Now expanding into ML and AI engineering, Abdul brings hands-on expertise in LLMs and intelligent automation to help teams build smarter.
Portfolio
Experience
- JavaScript - 7 years
- Tailwind CSS - 6 years
- TypeScript - 5 years
- Full-stack Development - 5 years
- PostgreSQL - 4 years
- NestJS - 4 years
- Next.js - 4 years
- Amazon Web Services (AWS) - 3 years
Preferred Environment
Postman, Docker, Git, Slack, Jira
The most amazing...
...solution I've built is CityPerks, a live smart city platform connecting residents, businesses, and governments through QR rewards and real-time analytics.
Work Experience
Senior Full-stack Engineer
Texinity Technologies
- Designed and delivered multi-tenant data lake pipelines for a large-scale client using Dataflow and Apache Beam, enabling high-volume ingestion and transformation across multiple downstream tenants.
- Developed an enterprise-grade analytics platform on GCP leveraging BigQuery and Cloud Workflows, optimizing large-scale data processing and reducing cloud costs by 10% across multi-tenant workloads.
- Consolidated numerous Cloud Run jobs into a centralized, scheduled Cloud Workflow for a high-traffic system, orchestrating diverse processes in a single pipeline to streamline operations, improve performance, and reduce operational overhead.
- Built automated testing infrastructure for internal AI endpoints by developing dynamic test-generation scripts and maintaining timestamped test records in Cloud Storage, ensuring reliability and scalability for a large, multi-client environment.
Full-stack Engineer
Freelance Clients
- Designed and maintained a fully-featured influencer marketing platform, owning the entire stack, front end, back end, AWS infrastructure, CI/CD pipelines, and role-based access control.
- Built a real-time concert request application supporting live song submissions, an admin dashboard, and a large display system, engineered for high concurrency using Next.js.
- Implemented secure token lifecycle management for TikTok, YouTube, and Instagram APIs, including automated refresh mechanisms to ensure uninterrupted 3rd-party integrations.
- Developed a contract-based collaboration platform modeled after online freelance agencies, enabling structured, enforceable agreements between clients and service providers.
- Delivered AI-powered automation solutions across multiple client engagements, helping businesses eliminate bottlenecks and measurably improve operational efficiency.
Full-stack Engineer
NESL
- Led a team of engineers to build a community-driven platform from scratch to full deployment, owning architecture decisions and working closely with stakeholders to deliver using modern technologies.
- Shipped modern web applications with real-time and AI-powered features, boosting user engagement and system performance through agent-based workflows and optimized data processing.
- Engineered a generative CAD system driven by AI, drastically reducing manual design effort and accelerating end-to-end production workflows.
- Oversaw full lifecycle delivery of cloud-native applications—spanning back end, front end, infrastructure, and CI/CD—slashing deployment time by 45%.
Full-stack Engineer
Bloom
- Architected and delivered end-to-end applications using React, Next.js, and Node.js, consistently hitting deadlines while maintaining high performance standards across the full stack.
- Designed and deployed an automated booking platform that streamlined scheduling workflows end to end, cutting manual effort by 40%.
- Integrated full Stripe payment systems across multiple projects, improving transaction reliability and enabling scalable, production-ready payment processing.
- Engineered a mobile-responsive management and calculation application for a trucking business, reducing reporting time by 30% and measurably improving day-to-day operational efficiency.
Experience
Quizzio AI Application
https://www.abhaseeb.com/project/quizzioCityPerks Platform
https://www.cityperks.ai/Influindex Influencer Marketing Platform
https://influindex.com/DocuMind AI Application
https://www.abhaseeb.com/project/documind-aiCVForge AI Optimization Tool
https://www.abhaseeb.com/project/cvforge-aiEducation
Bachelor's Degree in Software Engineering
COMSATS University Islamabad (CUI) - Islamabad, Pakistan
Certifications
Introduction to HTML5
Coursera
Java Programming: Solving Problems with Software
Coursera
Skills
Libraries/APIs
React, Node.js, Stripe, Instagram API, TikTok API, YouTube API, REST APIs, Google Maps, Facebook API, Claude API, Stripe API, Auth, D3.js, Zod, React Testing Library, API Development, Social APIs, Social Media APIs, OpenAI API, OpenAPI, Google Maps API, Leaflet, GraphQL API, QuickBooks API
Tools
Postman, Prisma, Git, Slack, Jira, Claude, GitHub, Claude Code, Bitbucket, n8n, GIS, ChatGPT, Codex, NGINX, Lighthouse, Sentry, Auth0, Windsurf, Amazon Elastic Container Service (ECS), Figma, Webpack, Google Analytics, Notion API, Shadcn, Expo, CAD, LaTeX, Apache Beam, BigQuery
Languages
JavaScript, TypeScript, Python, HTML, CSS, HTML5, SQL, PHP, GraphQL, Snowflake, Java, PHP 8
Frameworks
Next.js, Express.js, NestJS, Tailwind CSS, React Native, Jest, tRPC, Swagger, JSON Web Tokens (JWT), Material UI, Redux, OAuth 2, Django, Cypress, Vanilla JS, LangGraph, Payload CMS, Laravel, Laravel 8
Paradigms
Agile Software Development, Role-based Access Control (RBAC), Back-end Architecture, Continuous Delivery (CD), Continuous Integration (CI), Microservices, REST API Architecture, Automation, B2C, UI Design, REST, Web App Design, Real-time Systems, Agile, Model Context Protocol (MCP), Clean Code, Microfrontends, DevOps, UX Design, Serverless Architecture, Dataflow Programming
Platforms
Google Chrome, Firebase, Vercel, Mapbox, Linux, Web, Mobile, Ollama, Docker, Amazon Web Services (AWS), Google Cloud Platform (GCP), Twilio, Webflow, Contentful, Zoho CRM, YouTube, WordPress, Clerk, Algolia, Kubernetes
Storage
PostgreSQL, NoSQL, Databases, Amazon S3 (AWS S3), DB, Data Pipelines, Relational Databases, Cloud Deployment, Database Structure, Google Cloud, MongoDB, MySQL, Redis, Data Lakes, Elasticsearch
Industry Expertise
Project Management, Social Media, Healthcare
Other
Table Plus, Software Engineering, Full-stack Development, FastAPI, Supabase, MERN Stack, OpenAI, Vector Databases, Problem Solving, SaaS, Minimum Viable Product (MVP), Digital Platform Development, Dashboard Design, Charts, Data Visualization, Full-stack, Architecture, APIs, Artificial Intelligence (AI), Software Architecture, User Experience (UX), User Interface (UI), Dashboards, AI Integration, Back-end Development, Large Language Models (LLMs), Scalability, Technical Documentation, Cloud Infrastructure, Cursor AI, Gemini, Technical Leadership, Agentic AI, Advertising, Legacy Software, Performance Optimization, QR Codes, Web Development, Data Analytics, Code Auditing, Code Review, Progressive Web Applications (PWAs), Webhooks, Row-level Security (RLS), Back-end, Back-end Performance, AI-generated Code, Workflow Automation, Workflow Automation & System Integration, AI Programming, Data Aggregation, Product Owner, Instagram, Location Services, GPS, Recommendation Systems, Cloud Networking, Support & Maintenance, CI/CD Pipelines, Cloudflare, Data Engineering, GitHub Actions, Audits, Auditing, API Integration, Third-party APIs, Storage, AI Tools, Workflow, Front-end, Vibe Coding, Deployment, eCommerce, Accessibility, BetterAuth, Vite, Serverless, PWA, OAuth, System Architecture, Single Sign-on (SSO), Gemini API, Marketplaces, Payment APIs, Integration, Modular, Software Development, Ajax, Front-end Development, Agentic Coding, RESTFul APIs, Supabase Auth, Inventory, Reporting, Asset Management, Lovable, Web Application Security (Web AppSec), Product Ownership, Product Strategy, System Improvements, Third-party Integration, Software as a Service (SaaS), Stripe Subscriptions, React Components, Software Design, AI-assisted Development, Design Systems, Front-end Architecture, User Flows, Startups, Authentication, WebSockets, Generative Artificial Intelligence (GenAI), Leadership, Multitenancy, Solution Architecture, Live Chat, Retrieval-augmented Generation (RAG), LLM Integration, Analytics, Communication, Multi-tenant SaaS, Web Applications, Data Modeling, Scalable Architecture, CRM, Inventory Management, Resend, Debugging, Product Management, Digital Design, API Design, Payments, SMS, Web App Development, Memoization, Agentic AI Systems, MVP Design, Application State Management, Responsive UI, Zustand, Integrations, Agentic Workflow Design, AI Architecture, AI Engineering, Travel, Design, Apache Beam Framework, LangChain, RAG Systems, Education Technology (Edtech), AI Agents, AI Automation, Financial Systems, Mobile App Development, Networking, Word Embedding, Pgvector, Compliance, Internet of Things (IoT), Railway, Strategy, Venture Capital, Documentation, Security, Prompt Engineering, Multi-agent Systems, Workflows, Maps, Mobile Apps, TikTok, PDF, Multi-agent Orchestration, AI Agent Orchestration, Pinecone, Email Automation, Fractional CTO, AI Voice Agents, Speech-to-Text (STT), Financial Services, Fintech, Optical Character Recognition (OCR), Prototyping, Computer Vision, Finance, Storybook, CMS, RAG Pipelines, FAISS, Google Cloud Dataflow, Data Warehousing, Scraping, Human Resources (HR)
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