Hello and Welcome!

I'm Reksa Alamsyah

A Mathematics graduate with a strong foundation in logical thinking and problem-solving, now fully focused on a career as a Programmer and Data Analyst. Skilled in backend development using Java Spring Boot, frontend development with React.js, and basic mobile development using React Native. In addition to software development, I also have experience in data analysis and machine learning, supported by multiple certifications and projects. This combination of analytical and programming skills allows me to approach problems from both a data-driven and technical perspective. Eager to grow as a full-stack developer while leveraging my analytical background to build impactful software solutions.

Photo Profil

Area of Focus

Specialized in

Back-end & Front-end Development

Designing full-stack web with RESTful APIs, database integration, and interactive UI using frameworks like Spring Boot and ReactJS.

Data Analysis

Transforming raw data into actionable insights using data wrangling, cleaning, analysis and data visualization using tools like Python and SQL.

Machine Learning Modelling

Applying machine learning techniques to build predictive models and solve complex problems using algorithms like regression, classification, and clustering.

Highlighted Works

Showcased Portfolios

Porto 5

LearnTrad API

SpringBoot
Kubernetes

LearnTrad API is a microservices-based backend system built to support a trading simulation and technical analysis platform. It provides services such as authentication, customer and admin management, market data handling, fetch quiz generation, top-up system, and trade placing simulation and processing — all designed using Spring Boot and deployed using Kubernetes.

Porto 1

Data Analysis Project

Analysis
Data

This e-commerce data analysis project involved Data Wrangling, Cleaning, Exploratory Analysis, RFM Analysis and GeoSpatial Analysis to uncover sales trends and customer behavior. Key insights were visualized and deployed with an interactive Dashboard using Streamlit.

Porto 2

Machine Learning Project

Clustering
Classification

In this machine learning portfolio project, I analyzed customer behavior data using K-Means clustering to segment customers into distinct groups. I then applied the Random Forest classification algorithm to predict customer categories and identify patterns for targeted marketing strategies.

Porto 3

Bucket Cinema API

API
SpringBoot

The Bucket Cinema API provides a set of RESTful endpoints for managing data related to a movie platform. It is A robust Java-based RESTful API for managing a comprehensive movie theater system, tested with JUnit & Mockito, achieving 90% unit test coverage.

Porto 4

GitHub Repository

Git
Portfolio

Check out my other work such as Back-end API Development, Database and Login Schema, Thesis, NLP, and Cutting Stock Problem using Genetic Algorithm on my GitHub Repository!

Learning Path

Skills & Education

With a strong foundation in data analysis, I have expanded my expertise to include back-end, front-end, and mobile development. I continuously improve both my technical and analytical capabilities to deliver efficient and scalable digital solutions. My skillset ranges from programming and data management to building interactive applications and solving complex problems with clarity and precision.

  • Python Programming
  • Java (Spring Boot)
  • JavaScript (ReactJS, React Native)
  • HTML & CSS
  • SQL (PostgreSQL)
  • Docker & Kubernetes
  • BE-API Design (RESTful, Swagger)
  • Data Analysis (Pandas, Excel)
  • Problem Solving & Critical Thinking
  • English (PTeSOL Score: 517)

Universitas Pendidikan Indonesia

Bachelor's Degree - Mathematics

2020-2024

IBM SkillsBuild for AI & Cybersecurity Program

MSIB Batch 6

2024

Get in Touch!

My Contact

Kontak WA
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