Open to Opportunities

Hi, I'mKafitra Marna

AI Researcher & SaaS Engineer

Building next-generation AI solutions and scalable SaaS platforms. Founder of Venusverse.

Explore My Work Get In Touch

About Me

Skills & Expertise

Technologies I use to bring ideas to life

Next.js

TypeScript

React Native

Tailwind

Laravel

Fastify

Node.js

TensorFlow

Deep Learning

LLM

Voice AI

Docker

PostgreSQL

Redis

Supabase

Years Experience

13+

Projects Delivered

Research Papers

3.90

Academic GPA

Portfolio

Featured Projects

A collection of AI-powered solutions, SaaS platforms, and open-source contributions.

Demo

E-MESp 4Cs

AI-assisted supervision system for educational 4C skills analysis (Critical Thinking, Creativity, etc). Served as primary instrument for published multi-disciplinary research.

LaravelReact NativeMachine Learning

View Project

web

Mentari Sehat Indonesia Finance

Complex accounting system with journal consolidation and multi-tenant architecture for financial management.

LaravelMulti-tenantAccounting

Private

mobile

Mentora

Comprehensive mobile application for medical internship management with digital logbooks, guardianship tracking, and real-time assessments.

React NativeLaravel APIHealthcare

Get on Play Store

saas

Demo

Scholar

Bot to retrieve academic papers via DOI sent to WhatsApp/Telegram using webhooks. Automated paper delivery for researchers.

Next.jsWebhookAutomation

View Project

opensource

Demo Code

TransisiDB

High-performance database proxy in Go for currency redenomination (1000:1). ACID-compliant dual-write logic with circuit breakers, achieving 10K+ QPS with <1ms overhead.

GoRedisDocker

View Project

saas

Demo Code

Connect

Open Source WhatsApp API Gateway optimized for high-throughput messaging. Engineered for SaaS infrastructure with Fastify and TypeScript.

FastifyTypeScriptWhatsApp API

View Project

health

Rujukan

Midwifery app with Voice Recognition for hands-free symptom recording. Integrated Leaflet (OpenStreetMap) for intelligent hospital routing based on diagnosis urgency.

React NativeAILeaflet

Private

Demo

Cek-AI

Fraud detection platform to verify image authenticity and detect AI-generated manipulation using Deep Residual Bi-LSTM Fusion architecture.

Next.jsDeep LearningBi-LSTM

View Project

saas

Demo

Ingetin

All-in-one platform for managing tasks, agendas, centralized finance, and letter administration with membership database and broadcast messaging.

Next.jsSupabasePostgreSQL

View Project

WhatsApp LLM Chatbot

Integrated Large Language Models into WhatsApp chatbot using Next.js/Express.js for public service automation at BPSDMP Kominfo.

Next.jsExpress.jsLLM

Private

web

Demo

OSCE UNIMUS

Exam scheduling system with dynamic rubrics and PDF export. Laravel-based scoring system with regression thresholding.

LaravelEducationPDF Export

View Project

web

Demo

Sipeta UNIMUS

Centralized thesis and internship administration portal with unified Laravel backend and PDF reports.

LaravelAdministrationPDF Export

View Project

web

Demo

Dipma Presensi

QR code attendance system reducing check-in time by 80%. Laravel-based with automated reminders and report exports.

LaravelQR CodeAttendance

View Project

Research & Academia

Publications & Teaching

Research contributions bridging AI, software engineering, and academia.

Research & Publications

Book

Co-Author

2025

E-MESp 4Cs: Mobile Evaluasi–Supervisi Terintegrasi

Penerbit KBM Indonesia

Contributed to the technical integration of mobile evaluation systems.

Journal

Research Team Member

2025

Analysis of the Integrated E-Mesp 4CS Mobile Instrument

JPP IPA

Validated digital instruments using R&D methodology.

DOI: 10.29303/jppipa.v11i11.12980

Journal

First Author

2025

Multi-Objective Bio-Inspired Hyperparameter Optimization for Brain Tumor MRI

Cognispectra

Developed a calibration-aware CNN model using Multi-Objective PSO (MOPSO). Achieved 95% test accuracy with 1.48% ECE and sub-millisecond latency (0.88ms).

DOI: https://journals.cognispectra.com/index.php/aisa/article/view/45

Journal

Co-Author

2025

Optimizing Hepatitis C Classification Through a Two-Stage Hybrid Approach of Random Forest and Genetic Algorithm.

Under Review

Optimized Random Forest hyperparameters using Genetic Algorithms. Achieved 99.59% accuracy with k-fold validation.

Journal

Co-Author

2025

AI as a Conclusion Engine in the E-MESp 4Cs Framework

Under Review

Integrated NLP and Machine Learning for data-driven supervision and Explainable AI (XAI).

Journal

Co-Author

2026

Pre-Learning Supervision Evaluation: Integration of 4Cs and 21st Century Graduate Profile Dimensions

Under Review

This article evaluates the readiness of a high school Chemistry lesson plan on Redox Reactions in integrating 21st-century skills (4Cs) and graduate profile dimensions through pre-learning supervision and document analysis.

Journal

First Author

2026

A Two-Stage Hybrid GA-ACO Framework for Feature Selection and Hyperparameter Tuning of XGBoost in Heart Failure Prediction

Submitted

Optimized XGBoost hyperparameters and feature selection using a two-stage hybrid approach of Genetic Algorithm and Ant Colony Optimization. Achieved 91.2% accuracy.

Journal

First Author

2026

Mitigating Vanishing Gradient in Synthetic Image Detection using Hybrid Residual-BiLSTM Network

Submitted

This article proposes a hybrid Residual–BiLSTM architecture to mitigate vanishing gradient issues and improve contextual feature learning for synthetic image detection, achieving strong performance on the CIFAKE dataset.

Teaching

Backend Developer Mentor

Informatic Study Club

April 2025 - July 2025

Delivered a 14-session curriculum covering PHP, Modular OOP, RESTful APIs, and Laravel Best Practices.

Guest Speaker / Workshop Lead

SMK Negeri 2 Semarang

May 2025

Led "FOR EDU 2025" workshop, training students in Digital Skills and Web Development.

Education

Bachelor of Informatics

Universitas Muhammadiyah Semarang

Focus: AI & Software Engineering

GPA: 3.90 / 4.00

Expected 2026

Contact

Get In Touch

Have a project in mind or want to collaborate? Let's create something amazing together.

Send a Message

Connect With Me

I'm always open to discussing new projects, creative ideas or opportunities to be part of your vision.

GitHub

Instagram

View Resume