Available for new projects · Q3 2026

Senior
FullStack& AI Engineer

I'm Ali Hassan — 7+ years building production-grade web, mobile, and AI systems for clients across the US, UK, Australia, and the Middle East. I architect microservices, ship Vapi voice assistants, and turn fuzzy ideas into reliable software.

TypeScriptReactNext.jsNestJSNode.jsAWSPostgreSQLOpenAI

See selected work Let's talk

Currently

FourthD Inc.

Remote · PK

Ali Hassan

Senior Full Stack · AI Engineer

OPEN

Years

Companies

Continents

Next.js · NestJS

Vapi · OpenAI

portfolio — bash

❯▋

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01About

Engineerattheseamofproduct,AI,andinfrastructure.

I work end-to-end — designing systems, shipping the UI, owning the cloud they run on. I prefer real problems with real users over abstractions for their own sake.

Years building

Companies

Projects shipped

Continents served

I lead distributed teams, integrate Stripe and Twilio, and ship AI features that customers actually use — not just demo well.

B.Sc. Computer Science

Quaid-i-Azam University · Islamabad, PK

2014 – 2018

Full-Stack Engineering

React, Next.js, NestJS, Node, React Native — modular monorepos and clean architecture.

Production AI Systems

Vapi voice assistants, OpenAI-powered chatbots, generative AI features that move metrics.

Cloud Architecture

AWS & Azure microservices, infrastructure-as-code, CI/CD that ships in under 15 minutes.

Data & APIs

PostgreSQL, MongoDB, Redis, GraphQL & REST — schemas tuned for read-heavy workloads.

Enterprise Auth

Auth0 and Azure AD single sign-on, OAuth 2.0 / JWT, hardened against the OWASP top 10.

Cross-Platform Mobile

React Native iOS & Android with in-app subscriptions, TestFlight & Play Console releases.

developer.ts

Ali Hassan Portfolio

1// Contact me — I'm open to senior roles & product engagements

2const ali = {

3name : "Ali Hassan",

4role : "Sr. Full Stack & AI Engineer",

5years : 7, // of production experience

6open : true, // available Q3 2026

7stack : {

8fe : ["React", "Next.js", "TypeScript"],

9be : ["NestJS", "Node.js", "GraphQL"],

10cloud : ["AWS", "Azure", "Docker"],

11ai : ["OpenAI", "Vapi", "LLMs"],

12},

13email : "alihexan@gmail.com",

14} satisfies Developer

02Toolkit

Modernstack,pickedforwhatactuallyships.

Languages and tools I reach for daily. Deep on TypeScript, the React/Next ecosystem, NestJS on the server, and the Vapi/OpenAI side of the AI stack.

ReactNext.jsTypeScriptNestJSNode.jsGraphQLPostgreSQLMongoDBAWSAzureDockerVapiOpenAIReact NativeTailwindStripeAuth0RedisReactNext.jsTypeScriptNestJSNode.jsGraphQLPostgreSQLMongoDBAWSAzureDockerVapiOpenAIReact NativeTailwindStripeAuth0Redis

RedisAuth0StripeTailwindReact NativeOpenAIVapiDockerAzureAWSMongoDBPostgreSQLGraphQLNode.jsNestJSTypeScriptNext.jsReactRedisAuth0StripeTailwindReact NativeOpenAIVapiDockerAzureAWSMongoDBPostgreSQLGraphQLNode.jsNestJSTypeScriptNext.jsReact

Frontend

ReactNext.jsReact NativeTypeScriptReduxTailwind CSSMaterial UISSR / SSG

Backend

Node.jsNestJSExpressGraphQLRESTMicroservicesEvent-DrivenPrisma

Databases

PostgreSQLMongoDBMySQLRedisCosmos DBDynamoDBSequelizeMongoose

Cloud & DevOps

AWSAzureDockerGitHub ActionsAzure DevOpsVercelCloudflareDigitalOcean

AI

OpenAI APIsVapi Voice AICustom Sales AIChatbotsGenerative AIPrompt Engineering

Integrations

StripePayPalTwilioAuth0Azure ADApple IAPGoogle IAPOAuth 2.0

03Experience

Sevenyears,sixteams,onethroughline.

From Islamabad to fully distributed roles for clients across four continents — building, leading, and shipping production software.

Jul 2023 — Present
Remote
Jul 2023 — Present · Remote
FourthD Inc.
Current
Full Stack Developer
- Lead end-to-end development of scalable web and mobile platforms — owning architecture across diverse client engagements.
- Built generative AI features and Vapi-powered conversational bots; custom AI sales assistants lifted lead qualification by 25%+.
- Architected microservices in NestJS, Node, TypeScript & Express for modular, independently deployable services.
- Cut deployment time from hours to under 15 minutes via Azure DevOps and GitHub Actions pipelines.
- Shipped React Native apps to iOS & Android with in-app subscriptions through TestFlight and Play Console.
Next.jsNestJSVapiAzureAWSReact Native
Mar 2023 — Oct 2023
Remote
Mar 2023 — Oct 2023 · Remote
HCR International (formerly EdgeLabs)
Full Stack Developer
- Delivered full-stack web and mobile apps in React, Next.js, React Native (Expo), NestJS, and Node.
- Cut API response times 35% with Redis caching and standardized environments via Docker.
- Operated services on AWS (EC2, S3, RDS, Lambda) and DigitalOcean; frontends on Vercel and Cloudflare Pages.
- Led flagship products including app.miindset.com and influence.network.
ReactNestJSAWSRedisDockerCloudflare
Apr 2022 — Mar 2023
Remote
Apr 2022 — Mar 2023 · Remote
EdgeLabs
Full Stack Developer
- Delivered end-to-end projects in React, Next.js, and NestJS with clean architecture for maintainability.
- Built REST and GraphQL APIs against MongoDB, PostgreSQL, and MySQL with Mongoose and Sequelize.
- Integrated Stripe for payments and Twilio for SMS / voice; Auth0 + Azure AD for enterprise auth.
GraphQLPostgreSQLMongoDBStripeTwilioAuth0
May 2021 — Apr 2023
Remote
May 2021 — Apr 2023 · Remote
Creative Heads
Full Stack Developer · Part-Time
- Lead Developer on MERN stack apps, owning frontend and backend with strong test coverage via SonarCloud.
- Configured AWS infrastructure and integrated Zoho tools for CRM and business workflows.
MongoDBExpressReactNode.jsAWSZoho
Jun 2020 — Apr 2022
Islamabad, PK
Jun 2020 — Apr 2022 · Islamabad, PK
BitSol Technologies
Full Stack Developer
- Built production apps in Node, NestJS, and React; designed GraphQL APIs for improved data fetching.
- Tuned MongoDB and PostgreSQL schemas for read-heavy workloads; configured AWS autoscaling.
- Shipped client products: ipgen.io, ahoyoncall.com, and bosss.com.
NestJSGraphQLPostgreSQLMongoDBAWS
Jul 2018 — Jun 2020
Remote
Jul 2018 — Jun 2020 · Remote
ATechSight
Full Stack Developer · Part-Time
- Integrated Facebook, Instagram, and Stripe APIs for social auth, media ingestion, and secure payments.
- Delivered robust API layers with retry logic supporting app.getspectacle.com.
Node.jsStripeFacebook APIInstagram API

04Selected work

ThingsI'veshipped,liveinproduction.

A slice of the projects I've led or built end-to-end. AI products, marketplaces, healthcare platforms, and creator tools — all serving real users today.

AI · Health