Open to opportunities

Muhamad Exsan Alfarizi El Faisal

@obonn

Message

Backend developer specializing in Java, Go, and scalable microservices.

Indonesia

Message

What I'm looking for

I’m seeking backend roles building scalable microservices and reliable APIs in collaborative teams that value test coverage, clean code, and growth opportunities.

I am a backend developer with experience building scalable microservices and monoliths using Java (Spring Boot), Go, and native PHP. I’ve delivered HRMS, leave management, banking revamps, attendance, and reporting systems that improved payroll, allowance, and leave workflows.

In recent projects I owned core services—employee, allowance, and payroll—designing secure APIs, complex allowance and tax calculations, and automated payroll processing. I focus on code efficiency, logical problem solving, test coverage, and reliable integrations with PostgreSQL and MySQL, and I am eager to learn new technologies.

Experience

Work history, roles, and key accomplishments

Backend Developer

PT Padepokan Tujuh Sembilan

Jun 2023 - Apr 2025 (1 year 10 months)

Built and maintained core backend services (employee, allowance, payroll) for HRMS and related systems, automating payroll and allowance calculations and improving HR workflows; fixed bugs and improved API responses across multiple projects.

Go PostgreSQL Microservices Unit Testing Minio ModelMapper

Backend Developer

SMK Teknologi Mandiri

Jan 2019 - Jan 2020 (1 year)

Designed and implemented an RFID-based attendance system in native PHP and MySQL, delivering a production-ready solution that captured tap events and timestamps for school use.

PHP MySQL Bootstrap System Design Debugging SQL

Education

Degrees, certifications, and relevant coursework

PT Padepokan Tujuh Sembilan

Bootcamp, Software Development

2023 -

Completed a 2-month bootcamp at PT Padepokan Tujuh Sembilan in April–May 2023.

SMK Teknologi Mandiri

Vocational High School Diploma, Software Engineering

2017 - 2020

Completed vocational high school specializing in Software Engineering from 2017 to 2020. Final project implemented an RFID-based attendance system using native PHP and MySQL.