Open to select AI & product engagements

The man who architects his way

AI Engineer & Full-Stack Product Engineer

I build intelligent, scalable products that turn complex problems into clear, measurable outcomes.

View my workEmail me
Top 3% talentVetted by

Toptal Talent NetworkVetted for engineering, product delivery, and client collaboration.

Years shipping production software
Featured products across AI, SaaS, and mobile
Engineering teams I've worked with
Top 3%Toptal Talent Network

Selected work

Select a project to read the case study.

Verdivo project preview
SaaS / Fintech

Verdivo

AI-assisted chargeback and sustainability intelligence platform for modern eCommerce merchants.

Next.jsNestJSPostgreSQLLangChain
Power AI project preview
AI / Enterprise

Power AI

Enterprise knowledge and document intelligence powered by RAG, LLMs, and secure workflows.

Next.jsFastAPIQdrant
AppraiserUP project preview
AI / Real estate

AppraiserUP

AI coaching and appraisal guidance platform using secure retrieval and structured workflows.

Next.jsPythonFastAPI
Go Agents project preview
AI / Sales automation

Go Agents

AI-powered lead generation and outreach workflows for real estate and business teams.

ReactLangChainOpenAI
Marriage.pk project preview
Consumer / Conversational

Marriage.pk

WhatsApp-based intelligent matchmaking and guided communication experience.

Next.jsTwilioMongoDB
CF Cruncher project preview
Fintech / Data platform

CF Cruncher

Fundraising intelligence platform similar to Crunchbase and Apollo — helping startups discover, research, and connect with 300,000+ global investors through search, filters, company intel, and outreach pipelines.

ReactTypeScriptNext.jsMaterial UI
AI Fitness and Meal Planning app preview
AI / Health

AI Fitness & Meal Planning

AI-powered fitness and nutrition platform with personalized workouts, meal plans, Apple HealthKit and Google Health Connect sync, subscriptions, and App Store and Google Play delivery across iOS and Android.

React NativeExpoNestJSOpenAILangGraph
Clinica healthcare app preview
Healthcare

Clinica

HIPAA-compliant medical records and 3D body scan app for a wellness center — secure lab results, medical history, biometric login, and admin report workflows across mobile and web.

React NativeExpoNode.jsMongoDBAWS
AutoNova Systems project preview
Enterprise / Automotive

AutoNova Systems

NDA-protected enterprise automotive platform for dealership operations — deal lifecycle, finance workflows, RBAC, scheduling, DMS integrations, and real-time team communication.

NestJSPostgreSQLPrismaRedisTypeScript

Experience

  1. ToptalToptal Talent NetworkCurrent

    AI & Full-Stack Product Engineer

    Independent talent, Remote

    Selected as a member of the Toptal Talent Network, helping clients design, audit, build, and productionize AI-powered SaaS, web, and mobile products.

    • Build production-ready AI, SaaS, web, and mobile products for global clients.
    • Audit AI-generated and vibe-coded applications for architecture, security, performance, maintainability, and launch readiness.
    • Design LLM, RAG, agentic AI, workflow automation, and human-in-the-loop systems.
    Show 2 moreShow less
    • Translate early-stage product ideas and business requirements into scalable technical architecture.
    • Support projects across product strategy, implementation, deployment, optimization, and long-term scalability.
    Next.jsReactTypeScriptReact NativeNode.jsNestJSFastAPIPythonPostgreSQLOpenAILangChainLangGraphQdrantAWSGoogle CloudDocker
  2. CodingCopsCurrent

    Senior Full-Stack Software Engineer

    Full-time, Remote

    Leading the development of production-grade AI, SaaS, fintech, healthcare, and mobile products across modern web, backend, cloud, and LLM ecosystems.

    • Lead full-stack development using Next.js, NestJS, React Native, TypeScript, PostgreSQL, Python, FastAPI, and AWS.
    • Architect AI appraisal workflows using GPT-4o, RAG, Supabase, pgvector, validation guardrails, and structured report generation.
    • Build React Native and Expo applications with subscriptions, push notifications, secure authentication, offline workflows, and App Store and Google Play releases.
    Show 5 moreShow less
    • Implement AI-powered fitness and nutrition workflows using OpenAI, LangChain, LangGraph, PostgreSQL, Prisma, Redis, and BullMQ.
    • Design Neo4j graph models and Python ETL pipelines for relationship analysis, intelligent search, analytics, and entity discovery.
    • Integrate Stripe, RevenueCat, Apple HealthKit, Google Health Connect, Twilio, AWS S3, Redis, and external APIs.
    • Manage engineers across architecture, code reviews, technical planning, product delivery, and client communication.
    • Improve reliability through CI/CD pipelines, Docker deployments, API testing, monitoring, Swagger documentation, and production support.
    Next.jsReactReact NativeExpoTypeScriptNode.jsNestJSFastAPIPythonPostgreSQLMongoDBNeo4jRedisBullMQLangChainLangGraphOpenAIAWSGoogle CloudDockerStripeRevenueCat
  3. Verdivo

    Senior Software Engineer

    Product engineering, Remote

    Built and scaled an AI-powered chargeback automation SaaS for eCommerce merchants, improving dispute management and recovery workflows.

    • Built AI-driven chargeback evidence generation using LLMs and structured merchant data.
    • Integrated Ethoca, RDR, and CDRN networks for real-time chargeback and dispute alerts.
    • Designed Shopify-compatible workflows that reduced manual dispute handling.
    Show 3 moreShow less
    • Developed secure authentication, role-based access control, and multi-tenant merchant architecture.
    • Created an SEO-optimized server-rendered frontend using Next.js.
    • Led end-to-end product delivery from merchant requirements through architecture, implementation, and production deployment.
    Next.jsNestJSNode.jsTypeScriptPostgreSQLPrismaGraphQLShopify APILangChainLangSmithOpenAIRedisDockerVercelAWS S3Stripe
  4. Fliclicks

    Full-Stack Software Engineer

    Full-time, Remote

    Built and maintained scalable web applications, dashboards, admin platforms, APIs, integrations, and workflow automation for client-facing products.

    • Developed full-stack applications using React, Node.js, Express, MongoDB, SQL, and REST APIs.
    • Built reusable UI systems, administrative dashboards, reporting views, charts, and workflow tools.
    • Designed backend services and database models for authentication, RBAC, reporting, and business automation.
    Show 4 moreShow less
    • Integrated Stripe, Twilio, Google Maps, AWS S3, payment providers, notifications, and location-based services.
    • Improved API response times, database queries, frontend rendering, and production stability.
    • Implemented GitHub Actions, Docker deployments, cloud infrastructure, automated jobs, and webhooks.
    • Produced Swagger documentation, API specifications, and technical implementation guides.
    ReactJavaScriptNode.jsExpress.jsMongoDBMySQLPostgreSQLREST APIsGraphQLAWSDockerGitHub ActionsStripeTwilioGoogle MapsMaterial UI
  5. Devmind Studios

    Software Development Engineer

    Full-time, Remote

    Started my professional software engineering career by contributing to full-stack web applications, reusable UI components, APIs, and database-backed business workflows.

    • Developed client-facing web applications using JavaScript, React, Node.js, Express, and MongoDB.
    • Built reusable frontend components and integrated REST APIs.
    • Supported backend development, database modeling, debugging, and release workflows.
    Show 2 moreShow less
    • Collaborated with senior engineers and product teams to convert requirements into maintainable features.
    • Built a strong foundation in clean code, scalable architecture, testing, and end-to-end delivery.
    JavaScriptReactNode.jsExpress.jsMongoDBHTML5CSS3REST APIsGitMERN StackAdonisJSInertia.js

Services

AI Solutions

Production LLM features, RAG systems, AI agents, evaluation, and intelligent automation.

Full-Stack Development

End-to-end web applications with scalable APIs, modern frontends, and clean architecture.

Product Engineering

From discovery and architecture to implementation, deployment, and continuous improvement.

System Architecture

Reliable cloud-ready systems, event-driven workflows, security, observability, and scale.

Consulting

Technical audits, MVP hardening, AI strategy, engineering leadership, and launch readiness.

Tech stack

Frontend

Next.jsReactTypeScriptTailwind CSS

Mobile

React NativeExpo

Backend

Node.jsNestJSExpressPythonFastAPIGraphQL

Data

PostgreSQLMongoDBRedisPrisma

AI

LangChainOpenAIAnthropicQdrant

Infrastructure

AWSDockerVercelKubernetesTwilioSocket.IO

About me

Muhammad Umair portrait

I'm Muhammad Umair, an AI engineer and full-stack product engineer with 6+ years of experience building intelligent, scalable, and user-focused products across web, mobile, SaaS, and AI.

I enjoy turning complex business problems into simple, maintainable systems that teams can trust and grow.

Get in touch

What clients say

Umair combines strong technical depth with product ownership and clear communication. He consistently turns complex requirements into reliable, production-ready solutions.

Kallen LangleyVerdivo
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