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I am a creative and curious Software Engineering graduate with 3 years of full-stack experience using JavaScript, Python, Java, Git, AWS, and SQL across diverse team environments. Backed by 2 years of tutoring in software design patterns and customer service experience, I bring strong communication and adaptability skills to bridge technical and non-technical gaps. I am excited to join a collaborative team that values continuous learning and meaningful impact.…I am a creative and curious Software Engineering graduate with 3 years of full-stack experience using JavaScript, Python, Java, Git, AWS, and SQL across diverse team environments. Backed by 2 years of tutoring in software design patterns and customer service experience, I bring strong communication and adaptability skills to bridge technical and non-technical gaps. I am excited to join a collaborative team that values continuous learning and meaningful impact.

Justin Leiie

Full Stack Developer, Developer, Web Developer, +1

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I am a creative and curious Software Engineering graduate with 3 years of full-stack experience using JavaScript, Python, Java, Git, AWS, and SQL across diverse team environments. Backed by 2 years of tutoring in software design patterns and customer service experience, I bring strong communication and adaptability skills to bridge technical and non-technical gaps. I am excited to join a collaborative team that values continuous learning and meaningful impact.…I am a creative and curious Software Engineering graduate with 3 years of full-stack experience using JavaScript, Python, Java, Git, AWS, and SQL across diverse team environments. Backed by 2 years of tutoring in software design patterns and customer service experience, I bring strong communication and adaptability skills to bridge technical and non-technical gaps. I am excited to join a collaborative team that values continuous learning and meaningful impact.

Available to hire

I am a creative and curious Software Engineering graduate with 3 years of full-stack experience using JavaScript, Python, Java, Git, AWS, and SQL across diverse team environments. Backed by 2 years of tutoring in software design patterns and customer service experience, I bring strong communication and adaptability skills to bridge technical and non-technical gaps.

I am excited to join a collaborative team that values continuous learning and meaningful impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Junior Full-Stack Developer at Tech Scrum

July 1, 2025 - August 22, 2025

Developed a centralised Winston-based logging system in Express.js to catch validation and custom errors with enhanced contextual information, reducing debugging time across 5 developers. Built a dynamic backlog and board page with React, HTML, CSS, Mongoose (NoSQL), and TypeScript, enabling interactive drag-and-drop ticket reordering with persistent sorting using LexoRank to help users prioritise tasks. Integrated Stripe billing in a multi-tenant SaaS app, resolved webhook desync issues, and wrote 6 Jest tests to ensure 100% accurate tenant subscription mapping across MongoDB and Stripe API. Deployed 14 local AWS Lambda functions using the Serverless Framework configured with serverless.yml file, ensuring offline development mirrored production closely. Set up and configured local AWS DynamoDB with Docker Compose to support efficient local development. Created AWS IAM users with fine-grained permissions to list, describe, and replicate 28 production database tables, ensuring secure an

Software Engineer Intern at DenekaIT

October 1, 2023 - August 22, 2025

Led the UI/UX feature development by designing 5+ high-fidelity responsive UI mockups using Figma, including IT service purchase dashboards and user registration, improving platform usability. Collaborated with 3 backend engineers in an Agile Scrum team, contributing weekly CI/CD compliant pull requests in GitHub while participating in daily stand-ups and retrospectives. Built a dynamic service usage dashboard in React.js, HTML, CSS, integrated with an Express.js backend and SnowSQL to enable dynamic data retrieval of user purchases and visualization of customer plan metrics.