Full-Stack Product EngineerAvailable for selected projects

I build digitalproducts thatactually work.

I'm Usman Khalid, a full-stack product engineer helping founders and businesses turn complex ideas into reliable SaaS platforms, AI products, mobile applications and automated systems.

Based in PakistanWorking worldwide
SAAS PLATFORMS — AI PRODUCTS — MOBILE APPS — PAYMENTS — AUTOMATION —
01 / Selected work

Systems designed to create real business value.

01AI Voice Platform

HelloSenseAI

A production AI communication platform combining voice workflows, automation, call intelligence and scalable backend infrastructure.

Problem
Turn complex, real-time voice interactions into a dependable product teams can operate and improve.
Role
Product engineering, architecture and delivery
Selected result
1M+ customer interactions per month
Next.jsVAPITwilioFastAPISupabase
View case study
02Healthcare Management System

PakHIMS

A multi-clinic healthcare platform connecting patient operations, laboratory systems, billing, administration and payment infrastructure.

Problem
Connect clinical and administrative workflows that previously lived across disconnected tools and manual processes.
Role
Full-stack engineering, integration and product delivery
Selected result
Production system for multi-clinic healthcare operations
ReactNest.jsMongoDBPostgreSQLPayments
View case study
03AI Lead Intelligence Platform

Lead Engine

A lead discovery and qualification platform that collects public business data, analyses opportunities, scores prospects and creates personalised outreach angles.

Problem
Replace fragmented prospect research with a repeatable intelligence workflow that keeps humans in control.
Role
Product design, AI integration and full-stack engineering
Selected result
Automated research-to-outreach workflow
Next.jsNode.jsPostgreSQLOpenAIAutomation
View case study
02 / Expertise

I connect product thinking with engineering execution.

03 / Technical depth

Behind every polished interface is a dependable system.

01

Experience

Clear interfaces shaped around real user decisions.

React / Next.js / React Native
02

Frontend

Responsive, accessible product surfaces with maintainable systems.

TypeScript / Tailwind / Motion
03

Application logic

Explicit workflows, permissions and domain rules.

Node.js / Nest.js / APIs
04

Backend services

Reliable services designed for change and recovery.

REST / GraphQL / Workers
05

Data

Models and pipelines that preserve meaning and integrity.

PostgreSQL / MongoDB / Supabase
06

Integrations

Payments, AI, communications and operational tooling.

Stripe / OpenAI / Twilio / n8n
07

Infrastructure

Repeatable delivery and production-ready cloud foundations.

AWS / Vercel / Docker / Cloudflare
08

Monitoring

Visibility into health, usage and product quality.

Logs / Metrics / Alerts
04 / How I work

A clear path from complex idea to dependable product.

01

Understand

Clarify the product, users, constraints and commercial goal before committing to a solution.

Product brief / priorities
02

Architect

Shape the experience, system boundaries and delivery plan around the decisions that matter most.

Flows / architecture / plan
03

Build

Engineer the product in focused increments, with visible progress and production quality from the start.

Working product increments
04

Launch & improve

Validate the complete system, deploy it responsibly and use real feedback to guide what comes next.

Release / learning loop
05 / About

Engineering with product ownership.

I'm Usman Khalid, a full-stack product engineer focused on turning complicated business requirements into dependable digital products.

My work goes beyond implementing screens. I help shape product decisions, design system architecture, connect services, solve production problems and carry products through deployment.

I work best with founders and teams who value clear communication, thoughtful engineering and software that creates measurable business value.

Usman Khalid, product engineer
Location
Pakistan
Availability
Selected freelance and contract projects
Focus
SaaS, AI, mobile, payments and automation
06 / Portfolio evidence

Shipped products with real operational scale.

500K+

patients served worldwide by a medical AI platform designed for consultation, lab analysis and health assistance.

docus.ai
100K+

farms supported by an agriculture platform spanning records, payments, geospatial mapping and compliance.

orijin.io
50K+

monthly quizzes supported by a gamified exam-preparation platform with subscriptions and learning analytics.

qiyas.pro
07 / Start a project

Have a serious product to build?
Let's make it work.

Tell me what you are building, what stage it is at and where you need support.

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