Senior Software Engineer & Technical Consultant • Open for Full-Time & Consulting
Results-driven Senior Software Engineer and Technical Consultant with 8+ years of production experience delivering end-to-end full-stack applications with deep specialization in high-concurrency backends, Web3 identity platforms, and autonomous AI agents. Available for Full-Time Senior/Staff Engineer positions (remote or relocation) and high-impact technical consultancies. Combines comprehensive full-stack delivery capabilities—from responsive Next.js/React web frontends and native mobile apps to resilient distributed microservices—with an elite backend core. Proven track record leading technical delivery for blue-chip Japanese enterprises and global brands including SEGA, Kajima Corporation (Gohey), Lotte, APA Hotel, MIMARU, TicketMe, Hankyu Hanshin, Botejyu, and Seiko. Expert in multi-cloud Infrastructure as Code (Terraform, AWS, GCP) and high-velocity AI-assisted engineering with staunch zero-bug discipline.
Frontend & Mobile: React, Next.js, TypeScript, Tailwind CSS, Modern Responsive UI/UX, Android SDK (Java)
Backend & Distributed Systems (Core Strength): Golang (Go), NestJS, Node.js, Laravel (PHP), Ruby on Rails, Microservices, Event-Driven & RabbitMQ, WebSockets
AI & Automation: Autonomous AI Agents, Code with AI Assist, LLM Integration (OpenAI, Claude, Gemini), Prompt Engineering, Tool / Function Calling, n8n Workflow Automation, RAG Architecture
Databases & Storage: PostgreSQL, AWS Aurora MySQL, MySQL, MariaDB, MongoDB, Redis (Pub/Sub & Caching)
Cloud, DevOps & QA: Terraform, AWS CloudFormation, AWS (ALB, ECS, EC2, ELB, S3), GCP (Cloud Run, Cloud Armor WAF), Docker, GitHub Actions, Playwright (E2E Test Automation), New Relic, Kibana
Architecture & Specializations: Full-Stack Solutions, High-Concurrency Fintech, Web3 & EVM Wallets, Decentralized Identity (DID), IoT Hardware Telematics
Architected foundational Web3 identity, AI agents, E2E test automation, and enterprise integrations across AWS and GCP multi-cloud infrastructure.
Architected backend microservices for merdeka.app, an enterprise solar customer acquisition CRM platform for the United States market.
Re-engineered core crypto trading microservices from Laravel into Golang, optimizing transaction throughput and memory capacity.
Executed ground-up revamp of POS backend APIs in Laravel and backoffice web portal in Next.js.
Developed enterprise ERP on Oracle Database, engineered IoT hardware telemetry, and built 4 Android mobile apps from scratch.
Developed backend microservices for a cryptocurrency spot trading platform.