SOFTWARE ENGINEER
Yosua
Kristianto
A multidisciplinary Software Engineer with expertise in backend systems, cross-platform applications, and technical leadership. Delivering IT solutions across health, retail, and public sectors.
5+
YEARS EXPERIENCE
3+
INDUSTRY SECTORS
10+
PROJECTS DELIVERED
FEATURED
Articles
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Building a Fraud-Resistant Attendance System: An Information Systems Approach
Abstract As organizations seek to digitize their human resource operations, attendance management presents unique challenges that extend beyond simple record-keeping. This article explores the information systems principles behind building a fraud-resistant attendance platform, examining how geospatial…
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Building a Vegetable Image Classifier: From Scratch to State-of-the-Art
Abstract Deep learning has revolutionized computer vision, making it possible to build highly accurate image classification systems with relatively little effort. But how much difference does it really make to use pre-trained models versus building your…
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Building an Emotion Aware Response Model through Sentiment Analysis and Information Crowding Architecture
Abstract On the verge of building my own mobile-based virtual assistant, I present McAstr, which is designed to respond with emotion-aware facial expressions based on the sentiment of its replies. A large language models (LLMs) trend…
BACKGROUND
Experiences
Backend Developer
PT. Infosys Solusi Terpadu
March 2026 – Present
Software Engineer
- Backend service development
IT Consultant
Self-Employed
August 2025 – January 2026
IT Consulting
- IT solution consulting
- Project documentation planning
- System design validation
Technical System Analyst
PT. Arafat Solusi Digital
October 2024 – January 2025
IT Consulting
- Deliverables stabilizaton
- Technical stakeholder lialison
- Backend service development
IT Project Technical Leader
PT. Merkle Inovasi Teknologi
November 2021 – July 2023
Leadership role
- Technical leadership execution
- Micro-services strategy leadership
- API architecture standardization
- Engineering talent development
- Hiring assessment standardization
Backend Developer
PT. Merkle Inovasi Teknologi
November 2020 – November 2021
Software Engineer
- Backend micro-services delivery
- Node.js adoption leadership
- Business process automation
Internship Software Engineer
PT. Indosystem Global
March 2019 – March 2020
Software Engineer
- Agile engineering foundation
- Cross-platform features delivery
EXPERTISE
Skills & Tools
BACKEND
- Node.js
- TypeScript
- Java Spring Boot
- Laravel
- .NET Core
- Python
FRONTEND
- Kotlin Multiplatform
- React.js
- HTML
- CSS
- JavaScript
- JQuery
DATA & ML
- TensorFlow
- Pandas
- SQL
- TensorLayerX
- OpenCV
- ELK Stack
TOOLS
- Docker
- Git
- Apache Kafka
- RabbitMQ
- Redis