JonathanLee.io

Hi, I’m Jonathan Lee

A passionate Software Engineer blending creativity and technology to build impactful solutions. I love working on open-source projects to continually enhance my skills.

View My Work Contact Me Download CV/Resume

About Me

I'm a software engineer with a passion for developing not just functional but powerful and user-oriented web applications. Through numerous open-source projects and my day-to-day tasks, I’ve built strong expertise in modern frameworks, tools, and scalable software architecture.

Whether working on frontend designs or backend challenges, I aim to make a difference by using technology to solve problems, simplify workflows, and create enjoyable user experiences.

Work Experience

Software Engineer @ Fidelity Investments

Nov 2023 - Present

Worked on end-to-end development and maintenance of key business applications.

Full-stackKubernetesCloud / AWSMicroservicesJavaAngular
  • Developed and deployed scalable web applications using Vue, Node.js, and TailwindCSS.
  • Optimized performance and reduced application load time by 30% through code refactoring.
  • Led a team of developers in building a RESTful API integrated with third-party services.

Software Engineer II @ Mastercard

Jan 2023 - Nov 2023

Focused on creating intuitive UI/UX interfaces for customer-facing web apps.

BackendB2B / FinanceJava
  • Collaborated with designers to translate wireframes into high-quality, responsive interfaces.
  • Improved accessibility ratings by implementing WCAG standards in multiple projects.
  • Refined complex financial dashboards using VueJS and d3.js for data visualization.

Software Engineer @ Ericsson

Nov 2021 - Jan 2023

Worked on creating intuitive UI/UX interfaces for customer-facing web apps.

Full-stackKubernetesNode.jsPythonJavaScriptAngular
  • Collaborated with designers to translate wireframes into high-quality, responsive interfaces.
  • Improved accessibility ratings by implementing WCAG standards in multiple projects.
  • Refined complex financial dashboards using VueJS and d3.js for data visualization.

Open-Source Projects

www.RoomyLedger.com

A description of the project that showcases its innovative use of technology and value.

Node.jsNestJSAngular
⭐ Give it a Star Visit Site

www.Kavindra.io

An exceptional open-source contribution aimed at improving developer workflows.

Node.jsNestJSAngular
⭐ Give it a Star Visit Site

Jenkify

Another amazing project that solves problems in innovative ways.

Node.jsNestJSCLI
⭐ Give it a Star Read Docs

Get in Touch

I’m always excited to connect! Feel free to reach out to discuss projects, opportunities, or just to have a chat.

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