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Hatta Hasyim

@hattahasyim

Backend Engineer at PT. LG Sinarmas Technology Solution who migrated EIF to Solace and cut optimized query costs by up to 50%.

Indonesia

Message

At PT. LG Sinarmas Technology Solution, I develop and maintain MES and EIF systems for smart factories, and resolved 228 development and maintenance tasks across 2025 and 2026. I also developed the backend for Phase #1 of a performance management system used for 2025 year-end evaluations.

I led the EIF middleware transition to a Solace event-driven environment and served as technical lead for migrating a legacy .NET system to Java Spring Boot. Previously, at PT. Next Transformtech Indonesia, I worked on LineBank’s core banking system and developed an automated loan repayment system.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

PT. LG Sinarmas Technology Solution

Oct 2024 - Present (2 years)

Managed customer requests, testing, and system maintenance for MES and EIF systems across global EV battery smart factories. Successfully resolved 228 development and maintenance tasks, ensuring high system uptime and optimizing global manufacturing operations.

.NET Spring Boot Spring WebFlux (Reactive)Mockito Blazor Oracle MSSQL Git TVC Jenkins Docker

CBS Backend Java Developer

PT. Next Transformtech Indonesia

Dec 2022 - Apr 2024 (1 year 4 months)

Managed and led a 5-person engineering team to design, troubleshoot, and scale LineBank's large-scale Core Banking System. Developed and launched an automated Loan Auto Repayment system using Spring Batch, streamlining batch processing and loan lifecycle management.

Java Spring Boot Spring Data Flow SpringBatch Oracle OpenAPI Git Jira

Graphic Designer

Gunadarma University Computing Center

Nov 2020 - Oct 2022 (1 year 11 months)

Designed internal requests such as ID cards and PDH, edited over 3000 graduation photos, and created user interface for university web applications based on WordPress.

Photoshop Adobe Illustrator Figma

Project Manager - Apprenticeship

PT. Sejuta Elektron Indonesia

Oct 2021 - Jan 2022 (3 months)

Developed a custom ERP with ERPNext with 5 teammates, created proposals and NDAs, managed team timelines with Gantt charts, and created automation for data collection and insertion in the marketplace using Selenium.

Team Leadership ERP ERPNext Python Selenium

Education

Degrees, certifications, and relevant coursework

Gunadarma University

Bachelor of Engineering, Informatics Engineering

2018 - 2022

Grade: 3.71/4.0

Activities and societies: Relevant Coursework: Data Structure, Web Programming, Software Engineering, Informatics Business, Software Project Management

Pursued a Bachelor of Engineering in Informatics Engineering with a GPA of 3.71/4.0. Final project involved developing a Reddit's Submission Sentiment Analyzer Web App.

Bankit Academy

Major in Cloud Computing, Cloud Computing

2021 - 2021

Activities and societies: Certificates: Google IT Support Specialization, From Data to Insights with Google Cloud Platform Specialization, Architecting with Google Compute Engine, IT Automation with Python

Completed a major in Cloud Computing, earning several Google Cloud and IT certifications.