Fransiscus Xaverius

Associate Software Engineer

@ PT. HM Sampoerna Tbk/Philip Morris International | 2025 - Present

Architected scalable AWS cloud solutions, defining system design and infrastructure strategy end-to-end.
Pioneered the team’s first Go Fiber–based project and developed reusable boilerplate templates for backend services and Lambda functions
Led the development of a cloud-based, scalable importing system increasing speed by 60%.
Collaborated with business stakeholders to define requirements and implement new features.
Led both internal and vendor development teams to deliver features and tickets based on business product requirements
Mentored junior developers and interns through code reviews, guidance, and collaborative development.

React Angular Node.js Express.js AWS MySQL Go Fiber

Software Developer Intern II

@ PT. HM Sampoerna Tbk/Philip Morris International | 2025 - 2025

Responsible for full-stack development across frontend and backend modules, delivering new features end-to-end.
Led both internal and vendor development teams to deliver features and tickets based on business product requirements.

JavaScript HTML/SCSS Angular React PHP MySQL OpenAPI Specification (OAS) Express.js

Software Developer Intern I

@ PT. HM Sampoerna Tbk/Philip Morris International | 2024 - 2025

Contributed to the development of the AYO SRC ecosystem, with a focus on AYO Kasir and AYO Mitra.
Developed frontend features using responsive design principles to maintain consistent, cross-browser compatibility
Proposed and led the adoption of OpenAPI Specification (OAS), establishing standardized API contracts and documentation across the entire software engineering team

JavaScript HTML/SCSS Angular React OpenAPI Specification (OAS)

Freelance Backend Developer

@ EClub Indonesia | 2024 - 2024

Used Go Gin to develop fast, reliable APIs.
Leveraged Go’s built-in testing package along with gomock to create comprehensive unit tests.

Go Gin MySQL GoMock

Fransiscus Xaverius.