Ahmad Dimas Abid Muttaqi
Backend Engineer who ships systems that last. 7+ years building production backends across airline loyalty, insurance, e-commerce, and government systems — with Java, Spring Boot, Kafka, Docker, and cloud-native infrastructure. Delivered 25+ microservices projects, improved code coverage and performance measurably, and remediated security vulnerabilities for monthly production sign-offs.
Built for Global Operations
3+ years of fully remote experience — working solo across a 6-hour timezone gap with US-based clients and collaborating with distributed teams.
Global Async Specialist
Proven track record with US-based B2B platforms, managing complex e-commerce stacks independently.
Async-First Philosophy
Heavy emphasis on exhaustive documentation and proactive status reporting to eliminate synchronization bottlenecks.
Security-Aware Engineering
Hands-on OWASP remediation in regulated environments with monthly release sign-offs.
Engineering Strengths
Core competencies developed through production environments across insurance, government, e-commerce, and airline domains.
Legacy Modernization
Strangler-fig pattern migrations, monolith-to-microservices, Java 8 to 17/25 upgrades, zero-downtime deployments.
Security-First
OWASP remediation, mTLS, JWT/OAuth2, Auth0 integration, SSRF protection, key rotation, pentest clean sign-offs.
Performance Tuning
N+1 query elimination, cache stampede protection, Redis distributed locks, rate limiting, connection pool optimization.
Cloud Native
OpenShift, Docker, Quarkus, AWS S3, multi-stage builds, and containerized deployments.
Full Observability
ELK Stack, APM, Prometheus, Grafana, OpenTelemetry, structured logging (ECS), distributed tracing, health checks.
Testing Discipline
Jacoco enforcement, Testcontainers, JUnit/Mockito, Vitest, integration testing, and CI/CD quality gates.
Professional Experience
A track record of hands-on engineering and architectural growth across diverse domains.
Backend Developer
KEMENTERIAN KEUANGAN RI
- » Developed and maintained backend services using C# and .NET Core for performance assessment systems.
- » Conducted system maintenance and performance optimization under strict government compliance.
- » Operated fully remote within a distributed government enterprise team.
Backend Developer (Java)
AXA MANDIRI FINANCIAL SERVICES
- » Led incremental migration of legacy services to Red Hat OpenShift using strangler-fig pattern.
- » Remediated OWASP security vulnerabilities identified by pentesters before every monthly deployment.
- » Raised code coverage from below 30% to 80%+ by integrating JUnit/Mockito test suites.
- » Built centralized observability from scratch: ELK Stack with APM for log correlation and distributed tracing.
Full-Stack Developer
LIME COMMERCE (Remote US Client)
- » Sole developer for Bramble Company (US-based), working fully independently across 6-hour TZ gap.
- » Improved PageSpeed score from below 35 to 90+ through intensive asset optimization.
- » Migrated production Magento 1 store to Magento 2, including data and custom extension porting.
- » Built and customized 10+ Magento 2 extensions across the full e-commerce stack.
Backend Developer
DOT INDONESIA
- » Built RESTful APIs for OSVAS (One Space Canvas), a real estate discovery platform.
- » Developed applications using PHP, Laravel, and Laravel Nova within an Agile environment.
- » Integrated with frontend teams via a DevOps-managed CI/CD pipeline.
Software Engineer
PT. AERO SYSTEMS INDONESIA
- » Delivered AMALA Loyalty Management System for Garuda Indonesia and Citilink.
- » Integrated Apache Camel for enterprise workflow automation.
- » Deployed services using Docker and Kubernetes for high-scale airline operations.
Education
Academic foundation in computer science and information technology.
Bachelor of Technology
BINA NUSANTARA UNIVERSITY
Computer Science
Studied software engineering, distributed systems, and backend architecture. Applied theoretical knowledge to real-world projects during academic years.
Information Technology
SMK TELKOM MALANG
Vocational High School
Specialized in software development fundamentals, networking, and early systems administration. Built a strong foundation in programming and problem-solving.
Featured Projects
Bramble B2B
US-based custom furniture wholesaler (Wisconsin). Migrated Magento 1 to 2, built 10+ custom extensions, optimized PageSpeed from 35 to 90+. Sole developer for 3.5 years.
URL Shortener
Production-quality Java 25 service with Redis caching, rate limiting (Bucket4j), and observability (Prometheus + Grafana). Database migrations via Flyway, containerized with Docker Compose.
Job Prep Assistant
AI-powered job analyzer with multi-provider LLM orchestration, SSRF protection, and NDJSON streaming. Built with comprehensive testing using Vitest and Zod validation.
Technical Arsenal
Languages & Runtimes
- Java (7+ Years) Proficient
- PHP (3+ Years) Proficient
- TypeScript Familiar
- C# / .NET Core Familiar
- Go / Python Familiar
Frameworks & Platforms
- Spring Boot / Cloud Proficient
- Quarkus Familiar
- Next.js / React Familiar
- Apache Camel Familiar
- Laravel / Magento 2 Proficient
- NestJS Learning
Data & Infrastructure
- PostgreSQL / MySQL Proficient
- Redis / MongoDB Familiar
- Docker / OpenShift Familiar
- Kafka / AWS MSK Familiar
- Linux / CI-CD Familiar
Observability & Security
- ELK Stack Proficient
- Prometheus / Grafana Familiar
- OpenTelemetry Learning
- JWT / OAuth2 Familiar
- Resilience4j Familiar
Remote Success DNA
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Documentation Mindset
Writing as a primary mode of scaling knowledge and reducing meetings.
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Proactive Sync
Consistent status updates across timezones for maximum visibility.
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Extreme Ownership
Solo developer experience handling end-to-end US-based production environments.
ENGINEERING PRINCIPLES
Services
Available for freelance and consulting engagements across the full software development lifecycle.
Custom Software
Backend systems, APIs, and microservices built to spec.
SaaS Development
Multi-tenant architectures, billing, and scaling strategies.
Legacy Modernization
Strangler-fig migrations, Java upgrades, monolith decomposition.
Security Audits
OWASP remediation, vulnerability assessment, and hardening.
Let's Build Something Together
Currently open to backend engineering roles, freelance contracts, and consulting. I enjoy working on microservices, legacy modernization, and systems that teams can actually maintain.