12/04/2025 updated
100 % available
Senior Full Stack Engineer
Sagamihara, Japan
Only remote
Bachelor's Degree, Computer ScienceAbout me
Senior Software Engineer with 8+ years in building scalable web & mobile apps using Go, Node.js, Flutter, TypeScript, Angular, and Python. Experienced in cloud (GCP), microservices, AI/ML, and delivering high-quality, maintainable solutions in agile teams.
FlutterJavaScriptArtificial IntelligenceAndroid Software DevelopmentApple IOSAtlassian ConfluenceAtlassian JiraHTML5Bluetooth Low Energy (Bluetooth)Bootstrap (Software)Cascading Style Sheets (CSS)Mobile Application DevelopmentCloud EngineeringCluster AnalysisCommunications Protocols
Full Stack Development
Expertise in designing and building scalable web and mobile applications using Go, Node.js, Flutter, TypeScript, Angular, and Python with 8+ years of experience
Cloud Architecture
Proficiency in cloud development with Google Cloud Platform, microservices architecture, and implementing cloud-native solutions for improved scalability
AI/ML Implementation
Experience implementing machine learning models for predictive analysis, data clustering, and recommendation systems to solve complex business challenges
Mobile Development
iOS and Android development using Flutter, Swift, SwiftUI, Objective-C, with focus on mobile payments and Apple Tap to Pay SDK integration
Database Management
MySQL, PostgreSQL, MongoDB expertise with RESTful APIs and GraphQL for efficient data processing and communication
Testing & DevOps
Jest, Mocha, Chai, Jasmine, Cypress testing frameworks with Git, SVN, Perforce, Jira, and Confluence for development workflows
Web Technologies
HTML5, CSS, SASS, LESS, Bootstrap, Tailwind CSS for responsive and user-friendly interface development
IoT Integration
Bluetooth Low Energy communication protocols for smart home, wearable, and fitness applications with minimal latency optimization
Expertise in designing and building scalable web and mobile applications using Go, Node.js, Flutter, TypeScript, Angular, and Python with 8+ years of experience
Cloud Architecture
Proficiency in cloud development with Google Cloud Platform, microservices architecture, and implementing cloud-native solutions for improved scalability
AI/ML Implementation
Experience implementing machine learning models for predictive analysis, data clustering, and recommendation systems to solve complex business challenges
Mobile Development
iOS and Android development using Flutter, Swift, SwiftUI, Objective-C, with focus on mobile payments and Apple Tap to Pay SDK integration
Database Management
MySQL, PostgreSQL, MongoDB expertise with RESTful APIs and GraphQL for efficient data processing and communication
Testing & DevOps
Jest, Mocha, Chai, Jasmine, Cypress testing frameworks with Git, SVN, Perforce, Jira, and Confluence for development workflows
Web Technologies
HTML5, CSS, SASS, LESS, Bootstrap, Tailwind CSS for responsive and user-friendly interface development
IoT Integration
Bluetooth Low Energy communication protocols for smart home, wearable, and fitness applications with minimal latency optimization
Experience
Professional experience5 - 10 years
Freelancer since2017
Languages
EnglishFluent
Project history
Developed scalable backend services using Go, Node.js and TypeScript, integrating microservices architecture to support complex healthcare workflows. Developed iOS applications and integrated Bluetooth Low Energy communication for IoT devices.
Developed mobile payment applications using Swift and Objective-C, integrated Apple Tap to Pay SDK for contactless payments. Migrated legacy systems to microservices and contributed to AI-powered recommendation systems.
Developed backend services in Go and Node.js to support dynamic user interactions. Built user-facing web applications using Angular and PHP with focus on modular, reusable code and agile methodologies.