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Software Engineer · Full-Stack & Mobile Development

Asadullah Mohammed

Software Engineer with 3+ years of experience building full-stack web and cross-platform mobile applications, including a healthcare platform used by 400+ clinics. I own features end to end, from architecture and implementation to deployment, across healthcare, SaaS and consumer products.

Get in touchGitHub

Toronto, ON

Experience

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  1. Oct 2025 – Present

    Toronto, ON

    Software Engineer

    Medaquire Inc.

    PatientQ — Multi-Location Healthcare Platform · patientq.io

    • Build and maintain PatientQ’s NestJS GraphQL API (PostgreSQL, Auth0, background jobs), used by 400+ clinics and powering Next.js CRM, sales and EMR apps for patients, appointments, staff, services, locations and permissions, with Jest and Supertest coverage on the API.
    • Develop clinic communication on Twilio SMS, email and voice with AI conversation agents, including Retell AI voice agents, and automated appointment reminders, streaming CRM conversations live over authenticated GraphQL WebSocket subscriptions; also integrate Square payments, Meta Ads, Google/Apple Calendar, Zenoti and GoHighLevel.
    • Engineer clinical documentation across the CRM and a React Native (Expo) companion app, where Plaud voice recorders upload consultations through the GraphQL API into searchable transcripts, AI-generated SOAP notes and consultation insights on the patient record.

    TenLease — Commercial Leasing Platform for Retail Centers · tenlease.ai

    • Lead engineering for TenLease, a commercial leasing platform for retail centers, covering properties, suites, rent rolls, contacts and vacancy campaigns for leasing teams.
    • Build AI voice and SMS outreach that records call outcomes, proposes site-visit times for human confirmation and creates follow-up tasks and calendar events.
    • Design the PostgreSQL schema and NestJS APIs behind a Next.js app, with organization-scoped access control and background jobs for lease extraction, renewal reminders and Google Calendar sync.

  2. Jun 2026 – Present

    Toronto, ON

    Founder & Software Engineer

    ImmigrateOS

    immigrateos.com

    • Build ImmigrateOS, a multi-tenant SaaS platform that takes Canadian immigration consulting firms from client intake and eligibility through case tracking to complete document submission packages.
    • Architect the platform on Next.js and NestJS with PostgreSQL on Google Cloud SQL, WorkOS authentication and Cloud Storage, isolating each firm’s cases, documents and client portal with separate staff and applicant sign-in.
    • Develop case-tracking workflows, document checklists and automated deadline reminders that replace the spreadsheets and email threads firms use to manage cases.

  3. Sep 2023 – Sep 2025

    Toronto, ON

    Freelance Software Engineer

    Self-Employed

    • Delivered custom web and mobile applications for small businesses and startups, owning requirements, architecture, deployment and ongoing support for each engagement.
    • Built React/Next.js web apps and React Native mobile apps integrating REST and GraphQL APIs, Firebase and Supabase.
    • Implemented Stripe payment flows, e-commerce storefronts and admin dashboards that let non-technical clients manage their own content and orders.

  4. Jan 2023 – May 2023

    Toronto, ON

    Project Coordinator Intern

    eFone.ca

    • Gathered requirements with the tech lead and built the project scope, task breakdown and milestone schedule in MS Project, keeping delivery dates visible to the team.
    • Tracked task progress and dependencies, flagged schedule risks early and sent weekly status updates to 6 stakeholders.

  5. Sep 2021 – Dec 2021

    Toronto, ON

    Web Developer Intern

    Shayan Aromatics

    • Interviewed customers to build user personas, then designed the site’s page layouts and shopping flow as high-fidelity Figma prototypes for owner review.
    • Built the website and set up the Shopify store, including product catalog, collections, checkout and payments, and trained the owners to manage products and orders themselves.

Case studies

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Selected projects

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Skills

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Languages
  • TypeScript
  • JavaScript
  • Python
  • SQL
Frontend
  • React
  • Next.js
  • HTML5
  • CSS3
  • Tailwind CSS
  • TanStack Query
Backend
  • Node.js
  • NestJS
  • GraphQL (Apollo)
  • REST APIs
  • WebSockets
  • Authentication & RBAC
Databases
  • PostgreSQL
  • Supabase
  • Firebase
  • Redis
Mobile
  • React Native
  • Expo
  • EAS Build
  • Android Studio
Cloud & DevOps
  • Google Cloud Platform
  • Vercel
  • Docker
  • GitHub Actions (CI/CD)
Integrations
  • Twilio
  • Stripe
  • Square
  • Auth0
  • WorkOS
  • OpenAI API
  • Retell AI
  • Google & Apple Calendar
  • Meta Ads
  • Webhooks

Education

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Contact

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Let's work together.

Open to software engineering roles, freelance work and collaborations. Based in Toronto, ON.

asadasshu@gmail.comGitHub