SertiKu
Co-Founder & Full Stack Developer
A digital certificate issuance, management, and verification platform powered by QR codes and blockchain | certificates that are easy to verify and hard to forge.
侍/ SAMURAI OF CODE | YOGYAKARTA, ID
RAMA DANADIPA
Full Stack Developer & Co-Founder SertiKu | I build clean, fast, and reliable web applications, from database to user interface.
一
道 | THE WAY
About
侍 | Yogyakarta, Indonesia
I'm Rama Danadipa Putra Wijaya, an Information Systems student at AMIKOM University Yogyakarta focused on software engineering, web development, and data-oriented problem solving.
As a Full Stack Developer and Co-Founder of SertiKu, I build a digital certificate issuance and verification platform | from backend architecture to user experience. Beyond that, I research hiking route recommendation systems (RuteStrip) published in a SINTA-indexed journal, and serve as a programming lab teaching assistant.
0GPA / 4.00
0Projects Completed
0Certifications
0ARCADIA Wins
歴 Education
- 2023 | PresentAMIKOM University YogyakartaInformation Systems · GPA 3.98/4.00
- 2026Coding Camp | DBS FoundationFull Stack Developer Learning Path
- 2019 | 2022SMA Negeri 1 BlitarScience
二
作 | WORKS
Selected Projects
Aeternum Webspace Studio
Founder / Full Stack Developer
Landing page & public website studio for company websites, landing pages, and internal web apps.
RuteStrip Research Prototype
Researcher
A hiking trail recommendation system prototype | Precision@5 of 0.60 across 39 routes in Java. Published in a SINTA-indexed journal.
TuneBoss Inventory
Freelance Full Stack Developer
An inventory management app for TuneBoss Indonesia's operations | stock, internal dashboards, and admin workflows.
TuneBoss Marketplace
Full Stack Developer
Marketplace frontend | music product catalog, product detail pages, and a ready-to-use shopping flow.
TuneBoss Official Website
Full Stack Developer
TuneBoss Indonesia's official landing page | brand, services, and a responsive main digital channel.
TipInAja
Founder
A Web3-based digital tipping & donation platform concept | transparent, low-fee, for creators and supporters.
TugasRadar
Full Stack Developer
A smart task management app | track tasks, priorities, and work progress in a structured way.
Personal Portfolio
Developer
My personal portfolio website | Next.js with an AI chatbot trained on my portfolio dataset. The previous version of this site.
三
歴 | HISTORY
Experience
Freelance Full Stack Developer
Aeternum Webspace Studio
Building and maintaining client web applications (Tuneboss Inventory App) | frontend, backend, REST APIs, database design, testing, deployment, and performance optimization.
Startup Incubation Participant
ABP Startup Incubator
Startup incubation for SertiKu | user validation, business modeling, MVP development, QR verification, and pitch preparation.
Teaching Assistant
Teaching Assistant Forum | AMIKOM University Yogyakarta
Assisting Programming I, II, and Digital Business labs | Kotlin, OOP, RESTful APIs, Laravel, MySQL, code reviews.
Human Interest Staff
FOSSIL
Open-source community engagement and helping organize the FOSSIL Cyber Security Seminar 2024.
四
技 | TECHNIQUE
Skills
Full-Stack Development
HTML · CSS · JavaScript · TypeScript · React.js · Next.js · Laravel · Express.js · FastAPI · REST API · Responsive Web · PWA
Backend & API
Laravel · Express.js · Node.js · FastAPI · CodeIgniter · RESTful API · Authentication · Authorization · Validation · Postman
Database & Data
MySQL · PostgreSQL · Supabase · Prisma ORM · Database Design · SQL · Data Fusion · GPX Data · Query Debugging
Research & AI
Python · SBERT · NLP · Cosine Similarity · Content-Based Filtering · RAG Chatbot · Machine Learning · AI Integration · Gemini · OpenRouter
Frontend & UI
React.js · Next.js · Tailwind CSS · Bootstrap · Figma · Component-Based UI · Landing Page · Dashboard UI
Tools & Workflow
Git · GitHub · Vercel · Postman · RabbitMQ · Debugging · Testing · Deployment · Performance Optimization
Product & Startup
User Validation · Business Model · MVP Development · Pitching · Product Iteration · Web3 Product · Digital Certificate Workflow
Soft Skills
Problem Solving · Teamwork · Communication · Adaptability · Critical Thinking · Creativity · Continuous Learning · Discipline
五
誉 | HONOR
Awards
2026
2026
1st Place | SertiKu
ARCADIA x GEMASI · Applications and Information Systems Category
2nd Place | RuteStrip
ARCADIA x GEMASI · Data Science Category
2026
PT Aeternum Kreasikan Bersama
Deed of establishment | the legal foundation of Aeternum Webspace Studio
六
論 | THESIS
Publication
Sistemasi: Jurnal Sistem Informasi · Vol 15 No 4 (2026)
Mountain Hiking Route Recommendation System using Content-based Filtering with SBERT and Cosine Similarity
Developed a mountain hiking route recommendation system using Content-Based Filtering with Sentence-BERT for semantic route-description features, numeric GPX attribute integration, and Cosine Similarity. Evaluated on 39 hiking routes across Java with an average Precision@5 of 0.60 | outperforming TF-IDF at 0.25.
七
絡 | CONNECT
Contact
Interested in collaborating, discussing research, or need a developer for your project?
ramadanadipa176@gmail.com+62 896-9710-0997 · Ngemplak, Sleman, Yogyakarta
