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Aibak Shahzad

@aibakshahzad

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Senior full-stack engineer specializing in Next.js, NestJS, and AWS.

Pakistan

Message

What I'm looking for

I want to build user-focused SaaS products where I lead architecture, mentor engineers, and improve product performance and reliability.

I am a senior full-stack engineer with 5+ years building SaaS and consumer applications using Next.js, NestJS, React, Node, and AWS. I focus on shipping production-ready features, improving performance, and mentoring engineering teams.

At Kosmic I led frontend development for an AI video-editing platform, implemented complex features with TypeScript and React, and ensured cross-browser session stability and payment integrations.

Previously I managed teams of 5+ developers at Devsinc, redesigned architectures, reduced sign-up drop-offs dramatically, and achieved high client satisfaction through careful library evaluation, caching, and refactoring.

I publish utility packages (npm), write tests with Jest and Cypress, and deploy on AWS and Docker; I seek roles where I can drive architecture, mentor engineers, and deliver impactful, user-centered products.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Kosmic

Jul 2023 - Present (2 years 11 months)

Led development of an AI-powered video editing platform from scratch, implemented complex TypeScript/Next.js features and improved registration and session flows while writing unit and integration tests to ensure reliability.

TypeScript Next.js React Redux Socket.IO FFMPEG Jest Cypress

Software Engineer

Devsinc

Oct 2022 - Jul 2023 (9 months)

Managed a team of 5+ developers across 4 clients, redesigned architecture and reduced sign-up drop-offs from 65% to 15% while improving engagement by 40% and increasing query performance by ~20%.

NestJS React Next.js GraphQL JWT Prisma AWS

Associate Software Engineer

Devsinc

Oct 2021 - Oct 2022 (1 year)

Implemented frontend features for a freelance marketplace using React and TypeScript, refactored legacy React 15 code to functional components, and improved onboarding by designing peer-mentoring programs that halved ramp time.

React TypeScript Jest React Testing Library CI CD GitHub Actions

Associate Software Engineer

Codility Solutions

Jul 2021 - Oct 2021 (3 months)

Refactored a legacy ERP system to remove duplicate code and optimize data structures, published a global state management npm hook, and developed React Native apps deployed to app stores.

React React Native Performance Optimization NPM Virtualization MongoDB