Tariq Khan

Senior Engineering Leader

Senior engineering leader and hands-on architect with 13+ years of experience designing scalable web platforms and distributed systems. Strong background in React, Node.js, and cloud infrastructure. Experienced in building and integrating LLM-driven features and AI orchestration workflows into real-world production environments. Thrive at the intersection of leadership, architecture, and execution.

Toronto, ON

Experience

Senior Frontend Developer

Lowblaw Digital

09/2025 – 01/2026
  • Engineered scalable web platforms with AI-driven features using React and Next.js, enhancing performance and modular design for optimal user experience.
  • Developed backend system design with Node.js and GraphQL, specifying schema strategies and API standards tailored for AI-centric production workloads.
  • Architected micro-frontend platforms utilizing Module Federation, facilitating independent deployments and distinct domain boundaries for AI initiatives across teams.
  • Designed event-driven architectures leveraging Kafka, establishing robust message contracts and reliability patterns for distributed AI services.
  • Constructed an internal MCP server to enable secure integration of LLMs within multi-agent AI workflows, standardizing access to internal systems for developers.
  • Managed cloud infrastructure on AWS, implementing CI/CD pipelines with a focus on AI deployments and maintaining infrastructure as code using Pulumi.
  • Orchestrated container management on Kubernetes, utilizing Helm to ensure environment consistency and controlled releases for AI applications.
  • Integrated Stripe subscription and payment systems, streamlining secure billing flows, webhook reliability, and lifecycle management to support AI service monetization.
  • Designed and integrated production-ready Conversational AI solutions using AWS Bedrock, Google ADK, Vertex AI (Gemini), and Azure OpenAI (GPT), employing structured prompting and guardrails to maintain cost efficiency.
  • Architected AI orchestration workflows with Agent Core patterns, enabling seamless multi-step task coordination and state management across tools.
  • Instituted observability standards using Datadog, defining monitoring, alerting, and reliability protocols specifically for AI services and applications.

Lead Frontend Developer

Paypal

10/2024 – 09/2025
  • Built an internal SSR-enabled microfrontend framework, allowing server-rendered pages to be composed from independently deployed frontend modules.
  • Columbia
  • Built a scalable microfrontend platform using Fastify, React, and Webpack 5 Module Federation, allowing teams to ship features independently.
  • Developed internal CLI tools to simplify setup, configuration, and deployment, making it easier for developers to get started and stay productive.
  • Built a high-performance Node.js proxy server to handle API routing between Next.js apps and backend services.
  • Established solid testing practices using Jest, React Testing Library, and Cypress to ensure reliability across the platform.
  • Established platform-wide observability using Sentry and Datadog, implementing distributed tracing, error tracking, and production alerting to improve reliability and incident response.
  • Worked with Kubernetes, Helm, and AWS to manage deployments and maintain stable production environments.
  • Improved performance and SEO using Next.js SSR and edge caching, helping enhance Core Vitals and overall user experience.

Lead Software Engineer

Lululemon Athletica

04/2022 – 06/2024
  • Led development of key e-commerce features using React, Next.js, and Node.js, supporting user engagement and revenue growth.
  • Revamped and federated the search experience using Module Federation, decoupling it into an independently deployable microfrontend and improving modularity and release flexibility.
  • Modernized legacy and deprecated components across the codebase, reducing technical debt and improving long-term maintainability.
  • Drove migration to a Next.js architecture, improving performance, SEO, and overall site reliability.
  • Built full-stack solutions using the MEAN stack (MongoDB, Express, Angular, Node.js), delivering end-to-end functionality from database design to frontend implementation.
  • Developed scalable backend services with Node.js, integrating both REST and GraphQL APIs to support frontend and partner applications.
  • Deployed and managed applications on AWS, leveraging Lambda@Edge, CloudFront, and S3 to improve global performance and scalability.
  • Implemented and maintained CI/CD pipelines with automated testing, streamlining releases and reducing deployment risk.
  • Led AWS cloud workshops for cross-functional teams, strengthening cloud knowledge and engineering best practices.
  • Developed Progressive Web Applications (PWA) to enhance user experience, engagement, and offline capabilities.

Software Engineering Lead

Deloitte

07/2020 – 03/2022
  • Delivered full-stack and cloud modernization solutions across multiple enterprise clients.
  • Developed advanced mobile features using React Native (push notifications, biometrics, maps, accessibility), improving user experience and engagement.
  • Built full-stack solutions using React, Express, and Node.js in an Agile delivery model.
  • Contributed to migration of databases and infrastructure to AWS and Azure, improving scalability and reliability.
  • Led and mentored a team of 10 engineers, driving delivery standards and technical quality.
  • Purolator
  • Led a cross-functional team of 7 developers across frontend and backend initiatives.
  • Designed and built an enterprise ERP system using React, Node.js, JavaScript, and TypeScript.
  • Architected PostgreSQL schemas and complex queries to support operational workflows and reporting.
  • Containerized applications using Docker and led migration of legacy systems to Kubernetes, maintaining 99.9% availability.
  • Designed scalable cloud solutions on Azure and AWS, improving system resilience.
  • Integrated Redis to enhance performance and real-time processing.
  • Built interactive dashboards using Chart.js to support operational visibility and decision-making.
  • Designed and managed CI/CD pipelines, reducing deployment time and improving release stability.
  • Built and optimized backend APIs using Node.js and Express, integrating with Angular frontend applications to streamline data flow and improve application performance.

Senior Application Developer

Ontario Ministry of

05/2019 – 06/2020
  • Designed and delivered full-stack applications using React, Java, Node.js, and SQL Server, Children improving scalability and long-term maintainability.
  • Architected backend services with NestJS, establishing clean module boundaries, authentication patterns, and consistent API design standards.
  • Defined and enforced SLA/SLO frameworks, improving production reliability and operational transparency.
  • Led adoption of automated testing practices using Jest and Protractor, reducing regression issues and strengthening release confidence.
  • Optimized MongoDB data models and queries, improving performance by 20%.
  • Managed and tuned PostgreSQL and Redis infrastructure to support high availability and real-time workloads.
  • Mentored engineers on backend architecture, API design, and clean code practices while contributing hands-on to complex features.

Senior Software Engineer

MyBee Technologies

05/2015 – 05/2019
  • Managed full life-cycle software development across multiple environments.
  • Documented technical specifications and testing methodologies for project continuity and Toronto, ON reference.
  • Conducted functional, non-functional, regression, and performance testing for system updates.
  • Developed mobile apps using React Native, Java, and Objective-C.
  • Created web applications with React, Next.js, NodeJs and JavaScript.
  • Collaborated in a full-stack development environment, leveraging Node.js and Express for backend development.
  • Utilized Redux for effective state management in development projects.
  • Developed and deployed databases in Postgres and MongoDB to production environments.
  • Applied Site Reliability Engineering (SRE) principles to manage large-scale, highly available systems, reducing system outages by 40% and improving incident response time by 50%
  • Dockerized React projects and implemented CircleCI for CI/CD, leading to accelerated project delivery times.

Software Developer

XSensor Corp

05/2013 – 05/2015
  • Conducted in-depth studies of platform-specific characteristics, guiding application development for iPhone, Android, Windows, and OSX.
  • Led the design, development, and deployment of React Native CLI and Expo apps, achieving successful launches on both PlayStore and App Store.
  • Utilized Detox for end-to-end testing of React Native applications and maintained automated test scripts, aligning with the latest industry practices.
  • Enhanced React Native app performance through a custom Profiler API and software modifications, adding innovative features.
  • Collaborated with product and engineering teams to conceptualize and develop new product ideas.
  • Integrated Java applications with database systems like MySQL, Oracle, and MongoDB, focusing on complex data modeling and optimization.
  • Successfully developed and deployed a React Native mobile app to the App Store and Play Store.
  • Developed interactive dashboards using Chart.js to visualize sensor data, providing actionable insights and improving user experience.

Education

Centennial College Of Applied Arts And Technology

Bachelor of Science, Software Engineering Technology

– 04/2018

Skills

Languages

JavaScript (ES6+)TypeScriptPythonJava

Containerization & Orchestration

DockerKubernetes

Front-End

HTML5CSS3AngularReactNext.jsVue.jsRxJSResponsive UI Development

DevOps & CI/CD

JenkinsCircleCIGitlabs

Back-End

Node.jsFastAPINestJSJava (Spring Boot)

Testing

Unit testingIntegration testingEnd-to-end testingJestDjangoRuby on Rails.NETMochaSelenium

Databases

SQLNoSQLMySQLPostgreSQLMongoDB

Security

OWASP best practicesSSL/TLS implementationCassandra

APIs & Integration

RESTful API design and developmentGraphQLJWT/OAuth2 authentication

Performance Optimization

Performance OptimizationLazy loadingCode splittingScalable system design

Version Control

GitSVN

Responsive Design

Cross-browser compatibility

Cloud Services

AWS (EC2, S3, Lambda, API Gateway, Bedrock)AzureGCP

AI & LLM Engineering

Large Language Model (LLM) integrationAWS BedrockAgent CoreMulti-agent orchestration patternsPrompt engineeringContextual injection (RAG patterns)Conversational AI systemsIntelligent workflow automation

Certifications

AWS Certified Practitioner (CPP)

AWS Solution Architect (SA)

AWS Certified AI Practitioner

Get in touch

Open to opportunities and collaborations.