Software Engineer
Backend-focused software engineer with a fintech background, specializing in system architecture and applied machine learning.
Build.Learn.Share.
Jakarta, Indonesia (GMT+7)
Bio
What pulled me into this field was making my own applications: building something, then tweaking and optimizing it until it's right. Today I focus on system architecture, application design, and machine learning.
Experience
Software EngineerFull-time
Next TI (Hana Financial Group)
May 2025 - Present
I work on the core loan modules (fees, accrual, and calculation) of the loan platform for LINE Bank by Hana Bank.
AI Coding ConsultantFreelance
Outlier (by Scale AI)
Mar 2026 - May 2026
I evaluated and refined AI coding assistant outputs as part of RLHF-style model training work.
Software EngineerFull-time
University of Riau (ICT Division)
Jan 2024 - Apr 2025
I built and maintained the campus-wide platform, including its tuition fee payment gateway and bank integrations.
Machine Learning MentorPart-time
Bangkit Academy (by Google, GoTo, and Traveloka)
Feb 2024 - Jul 2024
I mentored 25 students through machine learning coursework and capstone projects.
Research AssistantPart-time
University of Riau
Aug 2023 - Dec 2023
I fine-tuned and benchmarked four Transformer models for Indonesian sentiment analysis, work published in IJEECS in 2024.
Software Engineer InternInternship
Bank Rakyat Indonesia (BRI)
Jan 2023 - Feb 2023
I built a transaction-report dashboard used across all office levels, and automated the reporting and data formatting work.
Education
B.S. Computer Science
University of Riau
Graduated May 2024
Projects
Some were client work. Most started as something I wanted to understand from the inside. Each one has the full story, including the parts that broke.
Personal project · In progress
Kasa
A simplified bank in Go, built on a real double-entry ledger.
Go · PostgreSQL · Core Banking
Research
Indonesian Sentiment Analysis
Four Transformer models fine-tuned and compared on Indonesian student feedback.
IndoBERT came out ahead at 92.9% accuracy.
Python · PyTorch · Transformers
Personal project
WhatsApp Multi-Agent Ops
A WhatsApp chat that runs your SQL queries and calls your APIs.
Ops questions answered in chat instead of a SQL editor.
Node.js · LangChain · Baileys
Client work
B2B Lead Gen & WhatsApp Outreach
Finds B2B leads and messages them on WhatsApp, on a daily schedule.
Runs every day with zero manual work.
Node.js · Baileys · OpenClaw
Client work
Multi-Platform Video Publishing Studio
Uploads a video once and posts it to YouTube, Facebook, Instagram and TikTok.
One upload replaces four manual posting sessions across four apps.
Go · SQLite · Social APIs
More
Puppet Browser
Turns any offline PC into a working browser over the local network.
Personal project
Publications
Sentiment Analysis of Student Evaluation Feedback Using Transformer-based Language Models
A comparison of four fine-tuned Transformer models for Indonesian sentiment analysis, from my time as a research assistant at the University of Riau.
Indonesian Journal of Electrical Engineering and Computer Science (IJEECS), 2024
Work With Me
I help teams and founders ship reliable applications, automation, and practical AI integrations.
App Development
Web, mobile, and desktop applications, built from first design through launch and made to hold up as usage grows.
Work Automation
Custom tools and integrations that take repetitive manual work off your team, along with the errors that come with it.
AI Integration
Chatbots, retrieval, and model-backed features wired into the product or workflow you already have.
Open to freelance work and full-time roles
See how I workConnect
Email is the best way to reach me. I read everything, and I'm glad to hear from people building something interesting.
hendys.work@gmail.com