Jun Guo

Senior Software Engineer

gjuoun@gmail.com ·github.com/gjuoun ·linkedin.com/in/gjuoun ·Montreal, Canada

Jun Guo is a team player and open-source contributor with 5 years of experience building scalable web applications in JavaScript and TypeScript, leading teams to deliver complex projects from ideation to completion. He works closely with data teams and diverse stakeholders to integrate AI features into backend systems, learns new technologies quickly through hands-on work, and applies large language models to enhance work processes.

Experience

  1. Senior Developer II, Mistplay

    On-site · Montreal, QC, Canada

    • Developed a backend-driven notification system that serves over 1 million active users in real time.
    • Collaborate with the data team to integrate AI features into the backend, driving significant revenue impact for the company.
    • Created an innovative approach to analyze Google Play reviews using large language models (LLMs), enhancing user sentiment analysis.

  2. Lead Software Developer, Mistplay

    On-site · Montreal, QC, Canada

    • Delivered a mobile loyalty platform on IOS.
    • Lead and build an internal facing admin panel.

  3. Senior Developer, Curbie Cars

    Remote · Saskatoon, SK, Canada

    • Lead building core product with modern web technologies (React & TypeScript).
    • Design and implement DevOps workflows using AWS codebuild, ECS, ECR.
    • Use cloudflare workers as an innovative way for web traffic control and routing.

  4. Full-stack Developer, Affinio

    Remote · Halifax, NS, Canada

    • Develop core product with React.js and Node.js (Typescript).
    • Building Restful API and GraphQL microservices (Scala, Java, Node.js).
    • Maintain Kubernetes (K8S) clusters on Azure.
    • Migrated CI platform from Jenkins to Github Actions, CD platform from DC/OS to Kubernetes.

  5. Software Engineer, IBM

    On-site · Halifax, NS, Canada

    • Develop and maintain a CURAM (Java) application for the public sector.
    • Work with large datasets (Db2) and troubleshooting.

Education

  1. Dalhousie University

    Bachelor's Degree, Computer Science

Skills

React · TypeScript · JavaScript · Node.js · GraphQL · Kubernetes · AWS · Cloudflare Workers · Java · Scala · Db2 · Large language models