11/02/2026 updated
100 % available
Senior Full-Stack Software Engineer | Next.js, NestJS, Node.js, AWS
Lahore, Pakistan
Only remote
Bachelor of Software EngineeringAbout me
I’m Waleed, a full-stack engineer who’s spent 6+ years building web apps people actually use. I’ve worked on Prospeo, Tournated and WAWCD, mostly with React, Next.js, Node.js and AWS. I like taking messy or growing products and making them fast and stable.
Full Stack Development
Full-Stack Development with React & Next.js
Expertise in building scalable, high-performance consumer applications using JavaScript, TypeScript, React, Next.js, Redux, Redux Toolkit, RTK Query, Apollo Client, and Socket.io on the frontend, combined with Node.js, Express.js, NestJS, and GraphQL on the backend.
Cloud & DevOps Engineering (AWS)
Hands-on experience with AWS services including EC2, S3, RDS, Elastic Load Balancer, CloudFront, Route 53, CloudWatch, and Lambda. Proficient in Docker, Kubernetes, and CI/CD pipelines using GitHub Actions for automated deployments and infrastructure management.
Database Design & Management
Proficiency in relational and non-relational databases including PostgreSQL, MongoDB, and MySQL, using ORMs such as Prisma, TypeORM, and Mongoose for efficient data modeling and query optimization.
AI/ML Integration & Automation
Experience integrating AI-powered features including OpenAI API, AI auto-replies, and automation workflows using tools like Zapier and ChatGPT into production platforms.
Security Hardening
Knowledge of security best practices including JWT blacklisting, input sanitization, rate limiting, password encryption, escaping HTML, server information leaking prevention, and SQL injection prevention.
Testing & Quality Assurance
Skilled in test-driven development (TDD) using Jest, React Testing Library, Cypress, React Test Renderer, and Supertest to ensure code reliability and production stability.
Real-Time Systems with Socket.io & WebRTC
Building real-time features such as live score updates, streaming dashboards, and live annotations using Socket.io and WebRTC across multiple production platforms.
Styling & UI Frameworks
Proficiency in Tailwind CSS, Material UI, Materialize CSS, Ant Design, and React Materialize for building responsive and visually consistent user interfaces.
Search & Data Enrichment (Elasticsearch, Redis)
Experience with Elasticsearch for advanced search capabilities and Redis for caching and real-time data enrichment pipelines, achieving high accuracy and performance in data-intensive applications.
Payment & Escrow Integration
Integration of payment gateways including Stripe and Wallet & Escrow systems for secure financial transactions in marketplace and SaaS applications.
Expertise in building scalable, high-performance consumer applications using JavaScript, TypeScript, React, Next.js, Redux, Redux Toolkit, RTK Query, Apollo Client, and Socket.io on the frontend, combined with Node.js, Express.js, NestJS, and GraphQL on the backend.
Cloud & DevOps Engineering (AWS)
Hands-on experience with AWS services including EC2, S3, RDS, Elastic Load Balancer, CloudFront, Route 53, CloudWatch, and Lambda. Proficient in Docker, Kubernetes, and CI/CD pipelines using GitHub Actions for automated deployments and infrastructure management.
Database Design & Management
Proficiency in relational and non-relational databases including PostgreSQL, MongoDB, and MySQL, using ORMs such as Prisma, TypeORM, and Mongoose for efficient data modeling and query optimization.
AI/ML Integration & Automation
Experience integrating AI-powered features including OpenAI API, AI auto-replies, and automation workflows using tools like Zapier and ChatGPT into production platforms.
Security Hardening
Knowledge of security best practices including JWT blacklisting, input sanitization, rate limiting, password encryption, escaping HTML, server information leaking prevention, and SQL injection prevention.
Testing & Quality Assurance
Skilled in test-driven development (TDD) using Jest, React Testing Library, Cypress, React Test Renderer, and Supertest to ensure code reliability and production stability.
Real-Time Systems with Socket.io & WebRTC
Building real-time features such as live score updates, streaming dashboards, and live annotations using Socket.io and WebRTC across multiple production platforms.
Styling & UI Frameworks
Proficiency in Tailwind CSS, Material UI, Materialize CSS, Ant Design, and React Materialize for building responsive and visually consistent user interfaces.
Search & Data Enrichment (Elasticsearch, Redis)
Experience with Elasticsearch for advanced search capabilities and Redis for caching and real-time data enrichment pipelines, achieving high accuracy and performance in data-intensive applications.
Payment & Escrow Integration
Integration of payment gateways including Stripe and Wallet & Escrow systems for secure financial transactions in marketplace and SaaS applications.
Experience
Professional experience5 - 10 years
Freelancer since2020
Languages
EnglishGood
Project history
Built and maintained scalable backend services for a B2B sales intelligence platform with 300M+ profiles and 143M+ verified emails, serving 15,000+ companies. Developed high-performance APIs for email finder, domain search, and bulk processing using Node.js, NestJS, and PostgreSQL. Implemented real-time data enrichment and verification pipelines achieving 98% email accuracy with a 7-day refresh cycle. Set up monitoring and logging with AWS CloudWatch ensuring 99.9% uptime for critical services.
All-in-one esports tournament platform designed to professionalize leagues and tournaments with custom draws, live rankings, and real-time scores. Technologies: TypeScript, Next.js, Node.js, PostgreSQL, Socket.io, Redis.
AI-powered WA CRM and marketing automation platform trusted by 25,000+ users across 60 countries. Enables businesses to automate sales and support through bulk messaging, AI auto-replies, contact exporting, and campaign analytics. Integrates with Zapier, ChatGPT, Shopify, and HubSpot. Technologies: React, Node.js, Express, MongoDB, Socket.io, OpenAI API, Chrome Extension APIs.