Hi, I'm Muhamad Ridwan
Senior Backend Engineer & Spring Boot Specialist
With nearly a decade of experience, I engineer secure, scalable, and high-performance backend architectures. Using Java and Spring Boot, I transform complex business requirements into robust, production-ready systems that handle millions of transactions without breaking a sweat.
Why Partner With Me?
I am a Senior Backend Engineer with 10 years of expertise. While my core strength lies in Java and Spring Boot, my ultimate focus is on ensuring your technology drives your business forward, not holds it back.
From enterprise banking to healthcare and automotive, I have consistently delivered mission-critical systems. I understand that system downtime means lost revenue, and messy architecture means slow feature delivery. Whether you need to integrate complex third-party APIs, transition to a resilient microservices architecture, or scale your platform to handle millions of transactions, I provide clean, secure, and maintainable solutions that let your team focus on growth.
My Engineering Philosophy
How I build systems that scale securely and sleep soundly.
Resilient Microservices
I don't just write endpoints; I design fault-tolerant architectures. By decoupling complex monoliths into autonomous Spring Boot microservices, I ensure that a single point of failure never brings down your entire business operation.
Zero-Downtime Deployments
Your business shouldn't stop when you release new features. I leverage modern DevOps practices (Kubernetes, OpenShift, CI/CD pipelines) to ensure seamless, invisible deployments that keep your services online 24/7.
Enterprise-Grade Security
Coming from the highly-regulated banking and insurance sectors, security is built into my code from day one. I implement rigorous data protection, secure API gateways, and robust authentication to protect your most valuable assets.
Business-Driven Engineering
I don't just take tickets and write code. I bridge the gap between business goals and technical execution, providing strategic architectural guidance to ensure that every backend decision directly drives company growth.
Performance Optimization
Speed is a feature. I meticulously optimize every layer of the stack—from database query tuning to implementing efficient caching strategies—ensuring lightning-fast response times even under heavy loads.
Clean & Maintainable Code
I write code that future developers will thank me for. By strictly adhering to SOLID principles, clean architecture, and comprehensive testing, I prevent short-term fixes from becoming long-term technical debt.
Technical Expertise
Core Languages & Frameworks
Architecture & Integrations
Databases & Caching
Cloud & DevOps
Testing & Quality
Version Control & Monitoring
Professional Experience
Sr. Software Engineer
Architecting mission-critical enterprise integrations to optimize and accelerate customer service workflows.
- Engineered the Mandiri e-SKPR integration, securely processing high-volume daily registration data and bridging Bank Mandiri with Manulife's backend.
- Customized Microsoft Dynamics CRM architectures, reducing friction in CS operations and significantly improving ticket resolution times.
Sr. Software Engineer
Led the backend architecture and delivery for high-visibility healthcare applications, ensuring zero-downtime third-party data synchronization.
- Developed high-availability backend microservices on OpenShift for the EazyConnect customer portal, handling thousands of concurrent enterprise users.
- Built the secure backend infrastructure for 'Komunitaz', a specialized and highly-sensitive pregnancy monitoring mobile app.
- Integrated mission-critical third-party health systems (Global Excel, Admedika, Medilink) with zero service disruption during cutovers.
Back End Developer
Engineered secure backend services for national institutions and streamlined operational workflows for large-scale automotive manufacturing.
- LPS: Delivered C# backend services for the GPKL system, solidifying objection management workflows within a secure monolithic architecture.
- Astra Honda Motor: Developed robust Java backend modules for the GC Online order management system, boosting operational accuracy and large-scale fulfillment efficiency.
Senior Application Developer
Designed and scaled the core microservices architecture for a high-volume financial transaction platform.
- Built resilient microservices using Java, MyBatis, and ActiveMQ to consistently process millions of monthly financial transactions with 99.9% uptime.
- Collaborated on Android mobile app development, ensuring end-to-end security and financial accessibility for a growing user base.
Java Developer
Built robust backend infrastructure to support real-time aviation management and VIP flight operations.
- Developed highly-reliable backend services for Aviamall (aircraft spare parts trading) using Java, Spring Boot, and PostgreSQL.
- Implemented zero-latency Java backend features for Aviacharter, enabling secure and instantaneous VIP private flight reservations.
Java Developer (Fullstack)
Developed and maintained a secure payment gateway facilitating reliable merchant transactions.
- Delivered comprehensive full-stack solutions using Java, Spring, MyBatis, and Tapestry to ensure secure and uninterrupted merchant transaction processing.
Java Developer
Pioneered the microservices adoption for enterprise-wide systems, significantly improving decoupling and scalability.
- Developed foundational microservices for Telkom’s HCM Shared Service using Spring Eureka, RabbitMQ, and OpenShift, servicing thousands of national employees.
- Built resilient backend systems for the Kisel Mobile App to reliably support high-frequency digital product sales nationwide.
Certifications
Set Up a Google Cloud Network Skill Badge
Implement Load Balancing on Compute Engine Skill Badge
Java Essential Training: Syntax and Structure
Learning Kubernetes
Microservices: Design Patterns
Is Your Backend Ready to Scale?
Whether you are struggling with legacy code, need to architect a robust Spring Boot microservices platform, or require an experienced technical leader to execute your vision—I am here to ensure your technology drives your business forward.