RAIHAN OZA
SAMUDERA SIREGAR
Full Stack Developer
+62896-5216-4724
raihanoza18@gmail.com
LinkedIn
GitHub
Portofolio
Medan, ID
TECHNICAL SKILLS
Languages:
TypeScript
JavaScript
HTML
CSS
SQL
Technologies:
PostgreSQL
MongoDB
Prisma
React
Next.js
Nest.js
Redis
Laravel
React Native
Express.js
Node.js
Soft Skills:
Problem-solving
Communication
Teamwork
Work ethic
Adaptability
Creativity
Innovation
I am a Full Stack Developer with over 2 years of professional experience and a Bachelor's degree in Information Systems. I specialize in developing scalable web applications with a solid foundation in software engineering, system design, and application development.
EDUCATION
Muhammadiyah University Of North Sumatera
Bachelor Degree in Information Systems Engineering
Cumulative GPA: 3.65/4.0
Relevant Coursework: Algorithms; Data Structures; Software Engineering; Object-Oriented Programming; Database;
Sep 2020 – Sep 2024
Medan, ID
PROFESSIONAL EXPERIENCE
PT. TRANSPORINDO AGUNG SEJAHTERA
Fullstack Web Developer - Fulltime
Aug 2024 – Present
Medan, ID
- Designed, developed, and maintained multiple internal web-based systems to support core business operations using Next.js and NestJS.
- Built an Internal ERP Web Application for Export Cargo Shipping, responsible for managing export loading data, operational records, and internal company workflows to improve data accuracy and efficiency.
- I Developed a Human Resource Management System (HRMS) to manage employee data, leave requests, approvals, and leave balance tracking, ensuring structured and centralized HR data management.
- Created a WhatsApp Bot Monitoring Service to monitor website and server availability; the system automatically sends real-time alerts to WhatsApp groups when services are down, improving response time and system reliability.
- Implemented Microsoft SQL Server as the primary database, handling data modeling, query optimization, indexing, and large-scale data operations.
- Applied Redux for predictable and scalable state management across complex frontend applications.
- Actively involved in full development lifecycle including requirement analysis, system design, development, testing, debugging, deployment, and maintenance.
- Collaborated closely with internal teams to translate business requirements into technical solutions and ensure system stability and scalability.
DINAS SOSIAL KOTA MEDAN
Front End Developer - Internship
Aug 2023 – Dec 2023
Medan, ID
- Collaborated with 5 cross-function teams to brainstorm, design, and develop a service product to help people get hired.
- Developed a website for the general public to easily check their social assistance status. (ReactJs, Typescript, Zustand, Tailwind, ShadCn Ui)
- Implemented front-end engineering best practices and patterns, presenting these strategies to other engineers.
- Responsible for brainstorming, developing, testing, collaborating, code reviewing, debugging, and deploying frontend features in 3 different teams. (GitHub, CI/CD)
PT.METROMATIKA TEKNOLOGI REKAYASA
Full stack Developer & Mobile Developer
Jan 2023 – Aug 2023
Medan, ID
- Developed and launched multiple web applications, including admin dashboards and mobile applications, for official services in Indonesia using modern technologies such as React (React (Next Js), Laravel, Tailwind CSS, Zustand, Redux, React Query)
- Ensured the security and optimal performance of applications by conducting regular maintenance, updates, and improvements to the codebase.
- Optimized mobile application performance across various devices, delivering a seamless user experience.
- Provided innovative and scalable solutions to complex challenges in mobile application development, enhancing the overall functionality and user engagement.
- Collaborated closely with cross-functional teams to align business goals with technical requirements, ensuring the successful delivery of high-quality digital solutions
DISKOMINFO KOTA MEDAN
Fullstack Developer - Internship
Aug 2022 – Dec 2022
Medan, ID
- Gained hands-on experience in front-end engineering, with a focus on delivering high-quality code and optimizing web performance using React and TypeScript. (React, TypeScript)
- Developed the "Balitaku" mobile application in just two months, utilizing React Native to create a user-friendly interface aimed at supporting mothers.
- Engineered a QR code-based system that integrated with other applications, streamlining interactions and enhancing functionality for users.
- Designed and built a website interface that enables the Medan city government to create additional sites for various municipal services.
- Managed and supported over 100 users, integrating their data with other applications to facilitate smooth communication and data transfer across platforms.
PT.INDONESIA GADAI OKE
Fullstack Developer - Internship
Jan 2022 – Mei 2022
Medan, ID
- Managed The Pawnshop System at PT.INDONESIA GADAI OKE with more than 10 outlets in Sumatera Utara ( PHP, Laravel, Bootstrap)
- Accomplished Manage Pawnshop data with more than 100 Transactions every day
- Succeed doing college and work while maintaining control of college grades with 3.62 GPA and doing a nice work at company
- Always Solved System Problems on time so as not to interfere with the running the system in the company and so almost that 90% of other workers are happy with developed system
- Successfully Improved the convenience of the system,Resulted in an increase in at transaction of up to 40% and convenience for other workers
PROJECTS
Ameera Travel Umroh – Finance Website
Jul 2024 – Sep 2024- Designed, developed, and deployed a comprehensive finance website, handling all aspects of frontend, backend, and DevOps independently.
- Built responsive and user-friendly interfaces using React.js, Tailwind CSS, and TypeScript, ensuring an intuitive user experience.
- Developed a secure and scalable backend using Node.js, Express.js, and PostgreSQL, implementing APIs and integrating business logic.
- Implemented user authentication, role-based access control, and secure data handling practices (JWT, encryption) to protect sensitive financial data.
Aplans Boster – Website
Oct 2023 – Dec 2023- Work with the ui/ux team and backend developers in developing a website that is useful for people to check their data.
- User-friendly interface to fill out forms and view submission history.
- Utilized: React JS, Vite, React-Query, Shadcn UI, Zustand, Tailwind CSS, Laravel (Backend).
Aplans Verivali – Mobile Application
Aug 2023 – Sept 2023- Mobile application created for verification and validation of data on residents who receive assistance funds
- Utilized: React Native, Zustand, React-Query, Whatsapp Gateway.
Balitaku – Mobile Application
Oct 2023 – Dec 2023- Mobile application created for verification and validation of data on residents who receive assistance funds
- Made for prevent and reduce disease rate stunting for baby in Medan, and and provides various kinds of information related to baby health in it
- Used OTP sent via whatsapp user For authentication
- Utilized: React Native, Express Js, React-Query, Whatsapp Gateway.
SIIMPAL – Mobile Application
Mei 2023 – July 2023- Attendance application for the tourism office of Medan city, where employees declare their attendance by selfie in this application.
- Utilized: React Native.
