Otto Liu
Cloud-Oriented Full-Stack Engineer & System Architect
With 4+ years of experience delivering architecture-led web and cloud platforms, I've worked extensively with Japanese colleagues and clients, bringing precision, quality standards, and international business acumen to every project. I turn complex business needs into modular, maintainable solutions—spanning frontend, backend, and DevOps—with a focus on scalable, testable, and observable systems. Open to opportunities in Canada, Australia, and worldwide remote positions.
International Experience & Global Readiness
Proven track record with Japanese quality standards and readiness for Canada & Australia opportunities
International Experience & Cultural Adaptability
Japanese Business Culture Experience
2+ years working with Japanese colleagues and clients
- Understanding of Japanese quality standards and precision
- Experience with cross-cultural communication and business practices
- Adaptation to different time zones and work styles
- Knowledge of Japanese technical documentation standards
Global Team Collaboration
Participated in international teams and projects
- Managed cross-functional teams of 3-5 engineers
- Coordinated with stakeholders across different cultures
- Implemented international quality assurance processes
- Facilitated technical knowledge sharing across borders
International Academic Experience
Shanghai Tongji University Summer Exchange
- Adapted to international academic environment
- Enhanced cross-cultural communication skills
- Demonstrated academic excellence in challenging environment
- Built international professional networks
Major International Events
Taipei Universiade International Guide Volunteer
- Provided language services for 100+ international participants
- Assisted athletes and officials from 30+ countries
- Demonstrated exceptional cross-cultural communication
- Contributed to successful international event delivery
Canada & Australia Readiness
🇨🇦 Canada Readiness
- Express Entry eligible (willing to apply)
- Provincial Nominee Program (PNP) willing to apply
- Canadian work culture understanding
- Tech ecosystem knowledge (Toronto, Vancouver, Montreal)
🇦🇺 Australia Readiness
- Skilled Independent Visa (189) willing to apply
- Employer Nomination Scheme (186) willing to apply
- Australian work culture adaptation
- Tech hub familiarity (Sydney, Melbourne, Brisbane)
🌏 Global Remote Ready
- Async work experience with international teams
- Time zone flexibility (worked with Japanese teams)
- Remote collaboration tools expertise
- Self-motivated and independent work style
⚡ Immediate Availability
- Available for immediate start
- Open to relocation within 30-60 days
- Flexible with interview scheduling
- Ready to apply for work visas when needed
Ready to Bring Global Experience to Your Team
With proven international experience and cultural adaptability, I'm ready to contribute to your team's success in Canada, Australia, or anywhere in the world.
Work Experience
My professional journey and career progression
Professional Experience
NEC GROUP, PRESIDENT TECHNOLOGY CORP.
Dev Team Leader | Software Engineer
Leading a cross-functional development team of 3-5 engineers, driving end-to-end system architecture, delivery execution, and technical excellence across frontend, backend, and DevOps environments.
Key Achievements:
- Orchestrated SD-to-ticket translation process using UML/Mermaid diagrams, reducing requirement ambiguity by 85% and accelerating sprint planning by 60%
- Architected modular CI/CD pipelines with Slack-based approval workflows, reducing deployment time from 2 hours to 15 minutes
- Pioneered AI-assisted development by integrating GitHub Copilot and GPT-4, boosting code review efficiency by 70% and reducing bug introduction by 40%
- Mentored 3-5 junior developers through hands-on code pairing and technical workshops, resulting in 90% team retention and 50% faster onboarding
- Spearheaded Angular monolith-to-standalone migration, improving build performance by 75% and enabling independent module deployments
- Established comprehensive PR review guidelines focusing on business logic, performance, and test coverage, achieving 95% code quality score
NEC GROUP, PRESIDENT TECHNOLOGY CORP.
Full Stack Engineer | Senior Frontend Engineer
Led full-stack development initiatives across QA, product, backend, and design teams. Maintained system architecture documentation, designed API contracts, and facilitated cross-functional collaboration.
Key Achievements:
- Engineered scalable electronic ticketing system for 7-11 Coffee Pickup/OPEN POINT Redemption, processing 10,000+ daily transactions with 99.9% uptime
- Championed Domain-Driven Design adoption across 3 development teams, reducing maintenance overhead by 90% and organizing bi-weekly technical study sessions
- Conducted TDD workshops and technical sharing sessions, achieving 100% business logic integrity and 95% unit test coverage across all projects
- Designed comprehensive system workflows using draw.io and Mermaid, reducing cross-team communication overhead by 90% and eliminating requirement misunderstandings
- Developed .NET framework APIs following Clean Architecture principles, achieving 90% PR approval rate and 40% faster feature delivery
- Implemented AWS-integrated test automation pipelines using CodeBuild and DeviceFarm, accelerating release cycles by 60% and reducing manual validation by 90%
- Built real-time traffic dashboard for 2024 Smart City Dashboard Hackathon, integrating 50+ CCTV streams and earning Honorable Mention recognition
- Optimized disaster response assessment system, reducing evaluation time by 40% - project open-sourced on GitHub with 200+ stars
KUNYOU TECHNOLOGY
Frontend Engineer
Specialized in building enterprise-grade, high-performance systems that enhance operational efficiency, security compliance, and automation across public safety and government sectors.
Key Achievements:
- Architected Evidence Management System integrating 20+ scanning devices, reducing evidence processing time by 80% and eliminating manual data entry errors
- Developed ISO 27001-compliant Police Deposition System, reducing deposition errors by 75% and enhancing prosecutor efficiency by 80% across 15 police stations
- Engineered Criminal Vehicle Tracking System with AI-powered image recognition, achieving 90% reduction in escape rates and 95% identification accuracy
- Transformed legacy enterprise system from Pug/jQuery to Angular, reducing build time by 80% and eliminating 90% of data state synchronization errors
- Orchestrated GitLab CI/CD workflows, slashing deployment time from 50 minutes to 5 minutes and enabling 10x faster feature releases
- Spearheaded SonarQube integration across 8 development teams, mitigating 90% of security vulnerabilities and reducing post-release bug fixes by 95%
- Established comprehensive frontend testing framework using Jasmine & Karma, reducing pre-release business logic errors by 95% and achieving 85% test coverage
- Collaborated with 5 UI/UX designers to implement design systems, reducing communication overhead by 80% while maintaining 100% business logic accuracy
WEBGENE
Full-Stack Engineer
Independently developed and deployed production-ready travel booking systems and marketing analytics tools, focusing on payment integration, data-driven insights, and AWS cloud infrastructure.
Key Achievements:
- Single-handedly developed travel booking platform integrating fuzzy search algorithms and ECPay/PayPal payment gateways, processing 500+ daily transactions with 99.5% success rate
- Engineered Facebook crawler with behavior-based advertising models, enhancing marketing targeting accuracy by 30% and increasing conversion rates by 25%
- Built ECharts-based marketing dashboard with real-time analytics, enabling data-driven decision-making and increasing financial product sales by 35%
- Deployed and optimized AWS EC2 infrastructure, achieving 99.9% uptime and reducing transaction processing latency by 60%
- Implemented automated testing and monitoring systems, reducing production incidents by 80% and improving system reliability
Shih Hsin University, Data Analysis Lab
Research Assistant (Internship)
Conducted comprehensive big data analysis and research on media engagement trends, building sophisticated data visualization dashboards and social network analysis models.
Key Achievements:
- Analyzed Netflix audience behavior dataset (2012-2016) with 2M+ records, building interactive data visualization dashboards using Python and D3.js
- Developed social network analysis model using Gephi to identify media engagement patterns, uncovering 3 key influencer clusters and engagement optimization strategies
- Utilized Python & SQL for data cleaning and aggregation, processing 500GB+ of raw data and achieving 99.9% data accuracy
- Supported Communications Management research with focus on big data analysis, contributing to 2 published academic papers
- Built automated data processing pipelines, reducing analysis time by 70% and enabling real-time trend monitoring
Lifestyle & Personal Achievements
Outdoor adventures and personal accomplishments that demonstrate resilience and leadership
Lifestyle & Personal Achievements
Private Chef & Culinary Entrepreneur
Entrepreneurial chef specializing in international cuisine
Achievement Illustration
University Mountaineering Club Leader
Led high-altitude expeditions and team safety management
Key Highlights:
- Successfully summited Mount Jade (3,952m) - East Asia's highest peak
- Led 15+ member teams on multiple high-altitude expeditions with zero incidents
- Implemented comprehensive safety protocols and emergency response procedures
Environmental Conservation Leader
Led mountain cleanup initiatives and environmental stewardship programs
Technical Skills
Comprehensive expertise across the full technology stack
Frontend Development
Backend & APIs
Cloud & DevOps
Testing & Quality
Architecture & Tools
Featured Projects
Key achievements and impactful solutions I've delivered
Disaster Response Optimization
Reduced disaster assessment time by 40%, aiding emergency teams during typhoons, earthquakes & fires. Open-sourced on GitHub, awarded Honorable Mention.
CI/CD & DevOps Automation
Implemented GitLab CI/CD, integrating SonarQube, ESLint, Prettier to enforce code security and maintainability. Optimized pipelines, reducing deployment time from 50 to 5 minutes.
Police Deposition System
Built an ISO 27001-compliant system with standardized templates, automated question lists, and account-based customization. Improved deposition accuracy by 75%.
Criminal Vehicle Tracking
Leveraged image recognition for real-time license plate tracking, integrating Google Maps API & ArcGIS for live visualization. Reduced escape rates by 90%.
Electronic Ticketing System
Developed a real-time ticketing system (7-11 Coffee Pickup / OPEN POINT Redemption) with AWS cloud integration & cross-platform compatibility.
Smart City Dashboard
Built a real-time traffic dashboard for Taipei City Government, integrating nationwide CCTV with GIS data visualization, enhancing urban planning & disaster response.
Domain Experience
Specialized solutions across diverse industries with international collaboration
Retail Redemption
Designed 7-11's platform by abstracting promo logic, QR workflows, time-windows, and token verification into scalable contracts. Collaborated with Japanese stakeholders to ensure quality standards.
Public Safety
Built vehicle tracking dashboards with CCTV, LPR, and regional alerts. Modeled escalation rules and jurisdictional logic as traceable workflows, working closely with Japanese technical teams.
Smart City GIS
Aggregated infrastructure and emergency datasets into geospatial views. Mapped civic events to layered UI logic for urban planning & disaster response, incorporating Japanese precision standards.
Athletic Training
Built a fitness system from 10+ years as mountain guide, swim coach, and physique athlete. Converted goals into adaptive templates linked to body metrics and recovery cycles, applying Japanese methodology.
Certifications & Achievements
Professional credentials and personal accomplishments
Certifications
AWS Certified Solutions Architect - Associate
Amazon Web Services • 2024
Honorable Mention
Disaster Response Project • 2023
Personal Achievements
Spartan Beast Finisher
10KM endurance race completion
Mount Fuji Summit
Completed in business attire
Puma Glow Night Half-Marathon
21KM night race completion
What I'm Looking For
Opportunities that align with my values and goals
Why Canada & Australia?
Having worked extensively with Japanese colleagues and clients, I bring international business acumen, quality-focused development practices, and cross-cultural communication skills to companies worldwide. I'm excited to contribute my global perspective and technical expertise to help businesses innovate and compete internationally.
Thriving tech ecosystem
Innovation hub
Precision and thoroughness
Cross-cultural collaboration
Remote-Ready with Global Experience
Open to relocation in Canada, Australia, Thailand, Vietnam, or worldwide remote opportunities. I thrive in async teams that value clarity, ownership, and architecture-led engineering. My experience with Japanese business culture has taught me the value of precision, quality, and international collaboration.
Services
What I can offer to your team or project
Professional Consulting Plans
Starter Plan
"System Foundation"
Pain Points This Solves:
- ❌ "Our codebase is a mess and we don't know where to start"
- ❌ "We're building features but the system keeps breaking"
- ❌ "No one understands our architecture decisions"
- ❌ "We're spending too much time fixing bugs instead of building features"
- ❌ "Our team is growing but our code quality is declining"
How I can help you:
- ✅1 meeting per week (1 hour each)
- ✅System design blueprint (architecture diagrams, data flow, component structure)
- ✅Basic unit testing framework setup and guidelines
- ✅Code review sessions (2 per month)
- ✅Documentation templates and best practices
- ✅Email support (48-hour response time)
Perfect for: Small startups, solo developers, or teams just starting their system architecture journey
Get StartedGrowth Plan
"Scalable Solutions"
Pain Points This Solves:
- ❌ "Our system can't handle the growth in users"
- ❌ "Deployments are taking hours and failing frequently"
- ❌ "We're constantly fighting performance issues"
- ❌ "Security vulnerabilities keep appearing in our code"
- ❌ "Our team is struggling with complex integrations"
- ❌ "We need to scale but don't know how to refactor safely"
How I can help you:
- ✅2 meetings per week (1 hour each)
- ✅Comprehensive system design with scalability considerations
- ✅Advanced testing strategy (unit, integration, E2E testing framework)
- ✅CI/CD pipeline design and implementation guidance
- ✅Performance optimization recommendations
- ✅Security best practices implementation
- ✅Code review sessions (4 per month)
- ✅Priority email support (24-hour response time)
- ✅Monthly architecture review and optimization
Perfect for: Growing companies, established startups, or teams building complex systems
Get StartedEnterprise Plan
"Full-Stack Excellence"
Pain Points This Solves:
- ❌ "Our system is so complex that only one person understands it"
- ❌ "We're losing money due to system downtime and poor performance"
- ❌ "Security audits keep finding critical vulnerabilities"
- ❌ "Our development velocity has slowed to a crawl"
- ❌ "We need enterprise-grade reliability but don't know how to achieve it"
- ❌ "Our team is overwhelmed with technical debt and legacy code"
- ❌ "We're struggling to maintain multiple environments and deployments"
How I can help you:
- ✅2 meetings per week (1 hour each) + 1 emergency session per month
- ✅End-to-end system architecture with microservices consideration
- ✅Complete testing strategy (unit, integration, E2E, performance, security)
- ✅DevOps automation (CI/CD, monitoring, logging, alerting)
- ✅Code quality enforcement (ESLint, Prettier, SonarQube setup)
- ✅Team mentoring and pair programming sessions
- ✅Architecture governance and decision-making framework
- ✅Performance monitoring and optimization
- ✅Security audit and compliance guidance
- ✅Unlimited email support (12-hour response time)
- ✅Quarterly system health check and optimization roadmap
Perfect for: Established companies, complex systems, or teams requiring comprehensive guidance
Get StartedAI Project Rescue Plans
AI Starter Plan
"AI Project Rescue"
Pain Points This Solves:
- ❌ "I paid for AI-generated code but it doesn't work"
- ❌ "The AI keeps giving me different answers every time"
- ❌ "I don't understand what the AI code is doing"
- ❌ "My AI-generated system keeps crashing"
- ❌ "I'm stuck in an infinite loop of AI suggestions"
- ❌ "The AI code looks right but doesn't function properly"
How I can help you:
- ✅1 meeting per week (30 minutes each)
- ✅AI-generated code review and cleanup
- ✅Basic system structure explanation in simple terms
- ✅"What went wrong" analysis of AI suggestions
- ✅Simple fixes for common AI-generated issues
- ✅Email support (72-hour response time)
- ✅Monthly progress check and next steps
Perfect for: Small business owners, entrepreneurs, or individuals with AI-generated projects that need fixing
Get StartedAI Growth Plan
"AI Project Optimization"
Pain Points This Solves:
- ❌ "My AI-generated system is too slow to use"
- ❌ "Security issues keep appearing in my AI code"
- ❌ "The AI built something that doesn't scale"
- ❌ "I'm spending more time fixing AI bugs than building features"
- ❌ "My AI-generated system is vulnerable to attacks"
- ❌ "The AI created a mess that's impossible to maintain"
How I can help you:
- ✅2 meetings per week (30 minutes each)
- ✅Complete AI code cleanup and restructuring
- ✅System design explanation in business terms
- ✅Performance fixes for AI-generated bottlenecks
- ✅Security improvements for AI-generated code
- ✅Testing setup (simple, automated tests)
- ✅Email support (48-hour response time)
- ✅Weekly progress tracking
Perfect for: Growing businesses with AI-generated systems that need professional oversight
Get StartedAI Complete Plan
"AI Project Success"
Pain Points This Solves:
- ❌ "My AI-generated system is a complete disaster"
- ❌ "I've spent thousands on AI tools but nothing works"
- ❌ "My business is suffering because the AI system keeps failing"
- ❌ "I need a professional to take over my AI project completely"
- ❌ "The AI created something that's impossible to understand or modify"
- ❌ "I'm losing customers due to AI-generated system failures"
How I can help you:
- ✅2 meetings per week (45 minutes each)
- ✅Full system overhaul and optimization
- ✅Business-focused architecture design
- ✅Complete testing strategy (automated)
- ✅Performance optimization and monitoring
- ✅Security hardening and best practices
- ✅Team training (if applicable)
- ✅Priority email support (24-hour response time)
- ✅Monthly system health reports
Perfect for: Established businesses with AI-generated systems requiring professional management
Get StartedFlexible Options
Let's Connect
Ready to bring global experience to worldwide innovation?
Ready to Bring Global Experience to Worldwide Innovation
Having worked with Japanese colleagues and clients, I understand the value of quality, precision, and international collaboration. I'm excited to bring these qualities to companies worldwide looking to innovate and compete globally. Let's discuss how my international experience can benefit your team.
Available for immediate start • Open to relocation • Remote-friendly