Available for Freelance & Full-time
Hey, I'm Muhaimin
Software Engineer (Fullstack)
Software Engineer with a strong backend focus and hands-on experience building production-ready systems using TypeScript, Node.js, Golang, and .NET. Proven ability to deliver scalable applications and containerized services.
Technical Skills
Technologies I've been working with recently.
Languages
TypeScript
Golang
C#
Python
Dart
Backend & Frontend
Node.js
.NET
React
Vue
Next.js
Flutter
DevOps & Databases
Docker
Kubernetes
Jenkins
PostgreSQL
MySQL
Work Experience
My professional journey so far.
August 2025 – Present
Software Engineer (Freelance)
Self-EmployedRemote
- Revamped Flutter mobile application UI based on new design guidelines, improving usability and visual consistency.
- Implemented new features and resolved bugs to improve application stability and support ongoing product needs.
- Collaborated with stakeholders to translate feature requirements into technical solutions.
August 2024 - August 2025
Software Engineer – Fullstack
RefactoryYogyakarta, Indonesia
- Developed and maintained multiple production-grade web and mobile applications across finance and corporate domains, supporting both internal teams and external clients.
- Designed and implemented backend services and RESTful APIs to support business workflows and data integration across systems.
- Worked with PostgreSQL to design schemas, write queries, and ensure reliable data storage for application features.
- Built and maintained CI/CD pipelines using Jenkins and Docker to improve release reliability and reduce manual deployment effort.
- Collaborated closely with QA engineers, project managers, designers, and senior engineers in Agile Scrum teams to deliver features from requirements to production.
- Quickly onboarded to new projects, domains, and technology stacks, enabling consistent delivery with minimal ramp-up time.
Certifications & Courses
Continuous learning and professional development.
Let's Connect
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision.