Immanuel Janis
Fullstack Dev. Web3 Builder. AI Crafter. Future Business Architect.
About Me
I'm Immanuel Janis, a fullstack web developer from Tangerang Selatan with a passion for merging scalable systems with emerging tech like Web3 and AI. I specialize in building dynamic and scalable web and mobile applications, I focus on solving real-world problems with elegant interfaces and solid architecture. With a strong foundation in both frontend and backend development, I excel at creating seamless, user-friendly solutions that meet client requirements. My experience includes leading small teams and delivering projects with high user satisfaction.
Skills
Programming Languages
- JavaScript
- TypeScript
- PHP
- Python
Blockchain
- Solidty
- Monad
- Lisk
- Hardhat
- Foundry
Frontend
- React.js
- Next.js
- Tailwind CSS
- DaisyUI
- MaterialUI
Backend
- Node.js
- Express.js
- Flask
- CodeIgniter 4
- Laravel
Mobile
- React Native
Database
- MySQL
- MongoDB
- PostgreSQL
- Prisma
- Oracle DB
Concepts & Tools
- Redux
- JWT
- OAuth
- RESTful API
- Git
- Midtrans
- Microservices
- Asana
Work Experience
Developer Engineer
PT. Integrasi Logistik Cipta Solusi - Pelindo Solusi Digital — Mar 2024 – Present
- Developed and maintained internal tools using React.js, Next.js, and Express.js to enhance team productivity.
- Conducted bug fixing and stabilization for the Customer Portal, Port Operation, and Billing System (Parama, Praya, Palapa) across multiple branches in Indonesia.
- Business trip to conduct application socialization and stabilization at several ports in Indonesia.
Fullstack Web Developer
PT. Septa Astha Nawa — Sep 2022 – Nov 2022
- Led a small team and developed the E-Office website for PT Septa Astha Nawa.
- Created a monolithic app using PHP and CodeIgniter 4 framework.
- Implemented features such as document generation (PDF, Excel), QR Code-based digital signatures, and user management with 8 distinct roles.
- Delivered the project with a 'Very Satisfied Result' rating from stakeholders.
Projects
IMZN Reservation Hotel (Final Year Project)
As part of my final school project, I engineered a full-featured hotel reservation web application using Python (Flask)
and MySQL as the backend stack. The app supported user and admin management, room booking workflows, dynamic discount logic,
and PDF-based receipt generation. I integrated the Midtrans Payment Gateway to enable real-time online payments.
The project received a score of 97/100 from external examiners for its functionality and user experience
IMZN Technology
I developed a fully responsive company profile website using Next.js, designed for optimal performance and mobile
usability. The site was built with clean UI principles, leveraging dynamic routing and optimized assets. As a result,
the project achieved an average PageSpeed Insights score of 98.6, ensuring fast load times and a seamless user experience
across devices.
E-Vote OSIS Chairman (SMK Bina Informatika)
I designed and deployed a web-based electronic voting system to facilitate digital elections at my vocational high
school. Built with PHP and MySQL, the application featured role-based user access and a streamlined voting interface.
It was successfully utilized by over 350+ students and staff, significantly improving the transparency and efficiency of
the school's electoral process.
E-Office PT. Septana
I led a small development team to deliver a custom E-Office web application for PT. Septa Astha Nawa, using PHP
with the CodeIgniter 4 framework. The system was designed as a monolithic solution to centralize internal documentation
and administrative workflows. It featured dynamic letter generation tools capable of exporting to .PDF
and .XLSX, integrated QR Code-based digital signatures to replace manual signing, and a robust user management system
supporting 8 distinct roles. The project was successfully completed and received a “Very Satisfied Result” rating from
the stakeholders.
Education
Leadership Camp by Merry Riana
Leadership & Character Development
April 2025
Purwadhika Digital Technology School
Fullstack Web Development
Oct 2023 – Mar 2024
SMK Bina Informatika
Software Engineering, GPA: 97/100, Best Project Award
Jul 2020 – Aug 2023
Certifications & Awards
Best Project – Web Hotel Reservation
SMK Bina Informatika
2023
Highest Predicate – Final Competency
SMK Bina Informatika
2023
Gold Medal – National Informatics Competition
Kompetisi Pelajar Nasional
2022
Services
Web Application Dev
I build scalable and performant web applications from landing pages to full admin dashboards, I deliver pixel-perfect and optimized solutions
Smart Contract Development
I develop **Solidity-based smart contracts** for various applications like **DeFi, NFTs, and DAOs**. My code is optimized for gas efficiency and follows best practices for security and scalability.
AI Integration
GPT-powered tools, chatbots, and automations for your apps or workflows. I craft AI-driven experiences that elevate user engagement
Let’s Build Something
Reach out for collabs, freelance, or ideas. Always down to connect.