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Raza Haider

@razahaidertech

Full-Stack Engineer with 6 years of experience building scalable SaaS, AI-powered applications, and high-performance web solutions using React,Next.js

Pakistan

Message

I am a Full-Stack Software Engineer with 6 years of combined professional, freelance, and product building experience, specializing in scalable SaaS platforms, AI-powered applications, and high performance web systems.

My core stack includes React, Next.js, TypeScript, Node.js, NestJS, PostgreSQL, and MongoDB. I enjoy turning complex business requirements into reliable, user-friendly products, working across frontend development, backend architecture, API integrations, automation, and cloud deployment.

Throughout my experience, I have built data-intensive workflows handling 100K+ real estate lead records, contributed to products supporting 500+ daily active users, and optimized database queries from 4 seconds to under 150 milliseconds. I've also worked on AI-powered sales automation, lead generation, campaign management, analytics, and background processing systems.

I am comfortable working with remote, cross functional teams and taking ownership of features from initial requirements through development, testing, and production deployment. I'm always interested in building impactful products, solving challenging engineering problems, and helping teams turn ideas into scalable software.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Engineer

Current

PropIQ AI

Oct 2025 - Present (1 year)

Built Next.js interfaces and workflows for 100K+ real-estate lead records, developed 5+ internal and customer-facing tools, and optimized PostgreSQL queries reducing latency from 4 seconds to under 150 ms.

Next.js PostgreSQL React TypeScript NodeJS Render API Integration Performance Optimization

Full-Stack Engineer

CogniClose

Aug 2023 - May 2025 (1 year 9 months)

Built core features for an AI-powered outbound sales platform using Next.js, NestJS, PostgreSQL, Supabase, and third-party integrations, including lead discovery, campaign generation, and analytics workflows.

Next.js NestJS PostgreSQL Supabase Redis BullMQ TypeScript NodeJS API Integration

Full-Stack Engineer

Wedfluencer & Higlax Solutions

Jul 2020 - May 2023 (2 years 10 months)

Delivered end-to-end web features and deployment workflows using Next.js, NestJS, and PostgreSQL, including a consumer platform supporting 500+ daily active users, and standardized deployment for 13+ client websites.

Next.js NestJS PostgreSQL Flutter AWS Lambda S3 Amazon Cloudfront Stripe Sendgrid Authentication RBAC

Backend Developer

SGI (Shani Group of Industries)

Jan 2022 - Jan 2023 (1 year)

Led backend development using Node.js, Express.js, PHP, and MongoDB for internal tools and application features, improving data retrieval through query and index optimization.

NodeJS ExpressJS PHP MongoDB API Optimization Security Encryption Input Validation

Full-Stack Developer

Freelance & Contract Projects

Delivered enterprise and client projects for international teams, including a two-month contract with Pixel Makers (Romania), collaborating remotely using Git, Slack, Jira, and code reviews.

Git Slack Jira Code Review Remote Collaboration Fullstack Development