Available for new opportunities

Hi, I'mExsel Predinal

Software Developer•Data Scientist

I build scalable web applications and real-time data solutions. With 3 years of experience developing RESTful APIs, responsive interfaces, and analytics dashboards.

10+

Projects Completed

Years Experience

12+

APIs Developed

25+

Technologies Mastered

About Me

Building Digital Solutions with Data Insights

I'm a software developer who loves to see the stories hidden within data. For the past three years, I've built responsive web applications and powerful APIs, but my true passion lies in using those tools to uncover insights and solve complex problems. I'm always looking for new ways to build systems that don't just work, but also learn.

Development

3+ Years Building

Creating scalable, user-centric applications with modern technologies and best practices.

PythonNode.jsVue.jsGitC++Bootstrap

Data Science & Analytics

Data-Driven Insights & Modeling

Applying data analysis, machine learning, and LLM techniques to optimize systems, forecast trends, and build advanced data-driven solutions.

GrafanaMySQLAnalyticsPerformanceMachine LearningLLM

Client Leadership

Team Coordination

Leading client IT teams to coordinate development efforts and resolve technical issues effectively.

Client CoordinationTechnical GuidanceIssue ResolutionProject Management

Skills

Technical & Data Skills

A comprehensive overview of my technical and data skills across web development and system monitoring.

Python

Proficiency90%

Vue.js

Proficiency85%

Node.js

Proficiency80%

Bootstrap

Proficiency85%

MySQL

Proficiency75%

RESTful APIs

Proficiency60%

Experience

Professional Journey

My career path and key achievements in software development and data science.

Junior Software Developer

Evo Smart Life • 2022 - 2025

YAMLPythonVue.jsJavaScriptNode.jsMySQLGrafanaBootstrap

Developed scalable web applications and APIs, focusing on real-time data processing and system optimization

Developed comprehensive stock opname website for inventory management

Built end-to-end web application for real-time stock counting and validation

Developed a custom LLM based on the Gemma model for vehicle license plate recognition

Achieved 95% accuracy in operational conditions, significantly improving system performance

Developed scalable RESTful APIs for real-time web-database communication

Built robust backend services handling high-volume data transactions

Built responsive web apps with Vue.js and Bootstrap for monitoring

Developed user-friendly interfaces for data analytics and system monitoring

Streamlined the client's reporting process by transforming a manual Excel workflow into a self-service Grafana dashboard

Achieved a 95%+ reduction in time spent on data analysis, enhancing efficiency and providing real-time insights.

Engineered a resilient data transfer system with a built-in retry mechanism to prevent data loss during internet outages

Enabled seamless data replication to multiple servers, improving system flexibility and redundancy

Designed optimized MySQL databases for time-series traffic data

Created efficient database schemas supporting large-scale data storage and retrieval

Collaborated across teams to deliver new features and improve UX

Worked with product and design teams to implement user-centered solutions

Performed system debugging and performance tuning

Improved application reliability and response times through optimization

Maintained comprehensive documentation and knowledge sharing

Created technical documentation and facilitated team learning

Projects

Featured Projects

A showcase of my recent work and personal projects in web development and data science.

Smart Sales Tracker

An intelligent sales management application that leverages AI to automate data entry from invoices and securely syncs all data to your personal Google account.

ReactGemini APIZustandGoogle Sheets APIGoogle Drive APITailwind CSS

AI Invoice Analysis

Secure Google Integration

Automated Deadline Tracking

Dynamic Financial Dashboard

Responsive & Modern UI

Stock Opname Inventory Management

A comprehensive web application for efficient stock counting and inventory validation, designed to streamline the physical inventory process for businesses.

Vue.jsPythonMySQLBootstrapJavaScript

Real-time Stock Counting

Inventory Validation

Data Synchronization

Dashboard Analytics

Custom LLM for Vehicle License Plate Recognition

A backup license plate recognition system using custom LLM based on the Gemma model to process unreadable plates that the main recognition system fails to identify.

PythonLangChainGemma ModelNumPyPandasMySQL

Fallback Recognition

Image Processing

Real-time Detection

High Accuracy Processing

Custom LLM for Matrix Data Analytics

A specialized application using LangChain library with Gemma LLM model designed for advanced matrix data analysis and pattern recognition using sales data from MySQL database.

PythonLangChainGemma ModelData AnalysisNumPyPandasMySQL

Sales Data Analysis

Matrix Operations

Pattern Recognition

Statistical Modeling

Real-Time Analytics Dashboard

Interactive dashboard for monitoring system performance and traffic analytics with real-time data visualization.

Vue.jsNode.jsGrafanaMySQLBootstrap

Real-time Charts

System Monitoring

Traffic Analytics

Performance Metrics

Resilient Data Transfer System

Local buffering solution with built-in retry mechanism to ensure complete data capture during internet outages. Features seamless data replication to multiple servers for improved system flexibility and redundancy.

PythonMySQLJsonlRequests

Data Buffering

Auto Sync

Outage Handling

Data Integrity

Retry Mechanism

Data Replication

Traffic Monitoring Interface

Responsive web application for monitoring and analyzing network traffic with intuitive user interface.

Vue.jsBootstrapJavaScriptGrafana

Traffic Visualization

Responsive Design

Real-time Updates

Analytics

Database Optimization Suite

Optimized MySQL database design for large-scale time-series traffic data with performance tuning tools.

MySQLPythonPerformance Tools

Database Design

Performance Tuning

Time-Series Optimization

Query Optimization

Solar-Powered Variable Speed Centrifuge

Design and implementation of an energy-efficient centrifugal machine powered entirely by solar energy, featuring a programmable and controllable speed mechanism for flexible use in laboratory or industrial applications.

Solar PowerArduinoEmbedded SystemsDC Motor ControlPWMRenewable EnergyMechanical Engineering

Fully Solar-Powered Operation for Off-Grid Use

Precise Variable Speed Control (using Pulse-Width Modulation - PWM)

Optimized Energy Conversion and Efficiency

Real-Time Speed Monitoring and Display

Compact and Portable Mechanical Design

Microcontroller-Based Automation

Prototype of IoT Flood Warning & Alarm System

A comprehensive Internet of Things (IoT) solution for real-time monitoring of water levels in high-risk areas, featuring automated alarms and remote notification capabilities to enhance public safety.

IoTArduinoPythonFirebaseData VisualizationReal-Time Systems

Real-Time Water Level Sensing

Automated Audible and Visual Alarm Triggers

Remote Data Logging to a Cloud Database (e.g., Firebase)

User-Defined Threshold Configuration

SMS/Email Alerting Functionality

Low-Power Consumption Design for Field Deployment

Contact

Let's Connect

I'm always interested in hearing about new opportunities, collaborations, or just a friendly conversation.

Email

exselpredinal@gmail.com

GitHub

github.com/Exsel1ent

linkedin.com/in/exsel-predinal

Ready to Collaborate?

Whether you're looking for a developer, have a project in mind, or just want to connect, I'd love to hear from you.

I typically respond within 24 hours