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I am a T-shaped, hands-on Staff Engineer with deep C#/.NET expertise and broad DevOps, testing, security and front-end experience. Known for pragmatically balancing cost and business priorities while upholding rigorous engineering quality. I have a proven track record in leading remote squads across APAC and India, delivering scalable software and cost-saving cloud initiatives. I am seeking a fully remote, tech-for-good opportunity where I can maximise impact.…I am a T-shaped, hands-on Staff Engineer with deep C#/.NET expertise and broad DevOps, testing, security and front-end experience. Known for pragmatically balancing cost and business priorities while upholding rigorous engineering quality. I have a proven track record in leading remote squads across APAC and India, delivering scalable software and cost-saving cloud initiatives. I am seeking a fully remote, tech-for-good opportunity where I can maximise impact.

Ferry Wai Lun To

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

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I am a T-shaped, hands-on Staff Engineer with deep C#/.NET expertise and broad DevOps, testing, security and front-end experience. Known for pragmatically balancing cost and business priorities while upholding rigorous engineering quality. I have a proven track record in leading remote squads across APAC and India, delivering scalable software and cost-saving cloud initiatives. I am seeking a fully remote, tech-for-good opportunity where I can maximise impact.…I am a T-shaped, hands-on Staff Engineer with deep C#/.NET expertise and broad DevOps, testing, security and front-end experience. Known for pragmatically balancing cost and business priorities while upholding rigorous engineering quality. I have a proven track record in leading remote squads across APAC and India, delivering scalable software and cost-saving cloud initiatives. I am seeking a fully remote, tech-for-good opportunity where I can maximise impact.

Available to hire

I am a T-shaped, hands-on Staff Engineer with deep C#/.NET expertise and broad DevOps, testing, security and front-end experience. Known for pragmatically balancing cost and business priorities while upholding rigorous engineering quality.

I have a proven track record in leading remote squads across APAC and India, delivering scalable software and cost-saving cloud initiatives. I am seeking a fully remote, tech-for-good opportunity where I can maximise impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at SHI International Corp

June 1, 2024 - Present

Current role focusing on .NET/C# development and cloud-based solutions at SHI International Corp in the United Kingdom.

Senior Staff Engineer at Wati

December 1, 2023 - October 20, 2025

Led a team of 12 developers and QA engineers; scaled engineering headcount from 25 to 54; reduced QA testing time by 10% in 3 months; reduced production incidents by 20% in 6 months; implemented QA metrics; enabled rapid incident resolution; integrated WhatsApp Pay and Shopify to expand revenue streams.

Founder at VerdantSparks

March 1, 2022 - October 20, 2025

Founded VerdantSparks; system architecture consultancy across HK & Taiwan; built MVPs (e.g., veterinary SaaS) and led major client engagements including car park management software for DKSH and construction-site product evolution; steered multi-team collaboration and client requirements.

System Architect at VHSoft Technologies

June 1, 2018 - October 20, 2025

System Architect delivering cross-project architecture in Hong Kong; migrated monoliths to microservices; worked with SQL Server, C#, ASP.NET ecosystem; engaged with clients including ArchiCAD integrations.