Haseeb Ali Sajid

Full Stack Engineer

Islāmābād, Pakistan4 yrs 9 mos experience

Most Likely To Switch

Key Highlights

Led a team of developers to build scalable web applications.
Achieved 90+ Lighthouse SEO scores across multiple websites.
Reduced domain setup time by 60% with innovative solutions.

Stackforce AI infers this person is a Full Stack Developer specializing in SaaS applications with a focus on performance and scalability.

Contact

Skills

Core Skills

ReactNode.jsAwsGraphqlCypressPostgresql

Other Skills

API DevelopmentAWS LambdaAWS Route53AWS S3Amazon DynamodbAmazon S3Amazon Web Services (AWS)BootstrapCascading Style Sheets (CSS)ClickHouseComputer GamingCypress.ioExpress.jsFirebasaeFirebase

About

Full Stack Developer with 4+ years of experience in building scalable and modern web applications using React, Next.js, Node.js, NestJS, and AWS. Proven experience in leading teams, managing projects end-to-end, and improving performance, reliability, and maintainability across large-scale systems. ------ The views expressed on this platform are my own and may not necessarily reflect the views of my company or any of its officials.

Experience

4 yrs 9 mos

Total Experience

1 yr 2 mos

Average Tenure

2 yrs 5 mos

Current Experience

Aio

Full Stack Engineer

Jan 2024 – Present · 2 yrs 5 mos · Islāmābād, Pakistan · On-site

● Leading a team of 5–6 developers across multiple squads, including the web builder and digital menu boards. Leading system architecture, sprint planning, and delivery to ensure high performance and scalability.
● Built a domain management system using AWS Route53 and Lambda that reduced domain setup time by 60%, supporting both custom and staging domains.
● Designed a real-time analytics dashboard showing traffic, SEO scores, and engagement data, helping users monitor site performance easily.
● Achieved 90+ Lighthouse SEO scores on all published websites by improving meta tags, headings, and structured data across the platform.
● Reduced average page load times by 35% through optimized code splitting, image handling, and lazy loading across components.
● Created a modular component system that improved development speed by 30%, made styling consistent, and cut down repetitive code.

AWSReactNode.jsNestJSSystem DesignPerformance Optimization

Numu

Full Stack Engineer

Mar 2023 – Dec 2023 · 9 mos · Islāmābād, Pakistan · Hybrid

● Managed systems that handled 200,000+ influencer profiles from TikTok and Instagram.
● Boosted reliability and speed by improving background(cron) jobs using AWS Lambda and S3.
● Built a shared component library with React, TypeScript, Tailwind, and Storybook to keep design consistent across 5 projects.
● Set up Sentry for real-time error tracking, which helped fix bugs 40% faster.

AWS LambdaReactTypeScriptTailwindStorybookAWS

Fullstack labs

Software Engineer

May 2022 – Dec 2022 · 7 mos · California, United States

● Wrote end-to-end tests with Cypress, helping reduce production bugs by 40% and increasing confidence in releases.
● Built a custom analytics dashboard using GraphQL and AWS S3, which improved visibility into app performance and made debugging faster for the team.
● Improved database performance by 25% by optimizing Prisma schema and refining slow queries.
● Integrated Jira directly into the app, making it easier for QA to report bugs and reducing back-and-forth during testing.

CypressGraphQLAWS S3Prisma

Red buffer

Software Engineer

Feb 2022 – May 2022 · 3 mos · Islāmābād, Pakistan

● Built a fast data pipeline to move large datasets from PostgreSQL to ClickHouse, improving data sync speed by 30%.
● Set up background workers in ClickHouse to generate automated analytics reports, saving the team hours of manual effort.
● Created a smooth data transfer system from ClickHouse to Microsoft Power BI, making it easier for teams to visualize reports without delays.
● Developed an internal tool using React, Redux, and Material UI that allowed the agency to submit insurance claims online, reducing processing time by 50%.
● Added PDF drawing features using the Canvas API, improving internal document reviews and enabling easier collaboration.
● Designed clean dashboards and data tables to help teams analyze data more clearly and make faster decisions.

PostgreSQLClickHouseReactReduxMaterial UI