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I’m a Senior Software Engineer with 10+ years of experience, specializing in frontend technologies such as Angular and Ionic, and in building scalable, high-performance applications on AWS. I’ve led frontend migrations, introduced Nx monorepo architectures, and established CI/CD pipelines that improve collaboration and deployment speed across multiple squads. My work focuses on delivering robust, maintainable code and empowering teams to ship high-quality software. My mission is to empower teams through mentorship and best practices while delivering cutting-edge digital solutions that align with organizational objectives.…I’m a Senior Software Engineer with 10+ years of experience, specializing in frontend technologies such as Angular and Ionic, and in building scalable, high-performance applications on AWS. I’ve led frontend migrations, introduced Nx monorepo architectures, and established CI/CD pipelines that improve collaboration and deployment speed across multiple squads. My work focuses on delivering robust, maintainable code and empowering teams to ship high-quality software. My mission is to empower teams through mentorship and best practices while delivering cutting-edge digital solutions that align with organizational objectives.

Roman Saito

Front-End Developer, Full Stack Developer, Back-End Developer, +2

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I’m a Senior Software Engineer with 10+ years of experience, specializing in frontend technologies such as Angular and Ionic, and in building scalable, high-performance applications on AWS. I’ve led frontend migrations, introduced Nx monorepo architectures, and established CI/CD pipelines that improve collaboration and deployment speed across multiple squads. My work focuses on delivering robust, maintainable code and empowering teams to ship high-quality software. My mission is to empower teams through mentorship and best practices while delivering cutting-edge digital solutions that align with organizational objectives.…I’m a Senior Software Engineer with 10+ years of experience, specializing in frontend technologies such as Angular and Ionic, and in building scalable, high-performance applications on AWS. I’ve led frontend migrations, introduced Nx monorepo architectures, and established CI/CD pipelines that improve collaboration and deployment speed across multiple squads. My work focuses on delivering robust, maintainable code and empowering teams to ship high-quality software. My mission is to empower teams through mentorship and best practices while delivering cutting-edge digital solutions that align with organizational objectives.

Available to hire

I’m a Senior Software Engineer with 10+ years of experience, specializing in frontend technologies such as Angular and Ionic, and in building scalable, high-performance applications on AWS. I’ve led frontend migrations, introduced Nx monorepo architectures, and established CI/CD pipelines that improve collaboration and deployment speed across multiple squads. My work focuses on delivering robust, maintainable code and empowering teams to ship high-quality software.

My mission is to empower teams through mentorship and best practices while delivering cutting-edge digital solutions that align with organizational objectives.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer at IoT Billing International Pte Ltd

February 1, 2023 - Present

Directed Angular migrations (v9–v20) and Ionic migrations (v3–v8), introduced Nx monorepo architecture enabling multiple squads to collaborate on shared modules and libraries while improving app performance by 40%. Partnered with PM to integrate human-factor design principles, boosting customer satisfaction scores by 25%. Established CI/CD pipelines with GitLab CI and Docker; deployed production workloads on AWS (EC2, S3, CloudFront) and halved deployment times. Set up automated testing and static analysis tools, enforcing coding standards and reducing bug density by 35%. Mentored squads on Angular best practices and emerging trends (standalone APIs, signals) and established cross-team coding conventions. Optimized NodeJS-based backend integrations, streamlining API consumption and reducing latency.

Senior Front-End Engineer at Right Stakes

January 1, 2021 - January 1, 2023

Spearheaded UI overhaul for Aposta 1 (Angular 12), achieving 50% faster load times and 30% higher engagement. Designed and shipped interactive gaming features including a Magic-Wheel game inspired by Blaze Double, ensuring smooth scalability under peak loads. Prototyped multiple UI iterations to guide stakeholders toward data-driven design choices. Led and mentored a 12-person dev team on Angular, TypeScript, NgRx, RxJS, WebRTC; implemented automated E2E testing with Cypress, improving delivery velocity. Implemented CI/CD workflows with Jenkins and Docker; deployed to Azure Kubernetes Service and reduced manual QA.

Senior Full-Stack Developer at GIANTY

January 1, 2016 - January 1, 2021

Enhanced and modernized Java (Spring Boot) and C# (.NET Core) REST APIs with stronger error handling, monitoring, and test coverage. Architected scalable front-end systems leveraging multi-threading, mutexes, and semaphores, following TDD principles. Secured apps via OpenID Connect and OAuth 2.0 across microservices. Containerized apps with Docker and orchestrated deployments via Kubernetes. Built CI/CD pipelines using Jenkins and GitLab CI; migrated legacy monoliths to microservices on AWS. Contributed to NodeJS services handling real-time data processing pipelines, ensuring efficient cross-platform integration.