Open to opportunities

JUSTIN THAIHOANG DAO

@justinthaihoangdao

Message

Senior C#/.NET full-stack engineer delivering scalable cloud-native systems.

United States

Message

What I'm looking for

I seek a senior engineering role building scalable, secure cloud-native platforms, with strong CI/CD, observability, and cross-team mentorship opportunities.

I am a Senior Software Engineer with 10+ years designing, building, and operating production systems at scale, specializing in backend and full-stack development for cloud-native, data-intensive, high-availability platforms. I have led microservice architecture standardization, built financial and marketplace platforms in C#/.NET, Node.js, and TypeScript, and introduced LLM-powered automation to eliminate thousands of manual hours while improving accuracy and reliability.

I prioritize system performance, reliability, security, and developer efficiency, driving CI/CD modernization, observability, and platform-wide standards across teams. I mentor engineers, lead cross-team design reviews, and align technical solutions with business goals to reduce errors, speed deployments, and improve operational metrics.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Rippling

May 2025 - Present (8 months)

Led architectural standardization of microservice APIs and built a C#/.NET financial audit platform that ensured payroll data integrity across 1M+ monthly transactions, reducing financial error rates by 40% and improving system reliability by 35%.

C++.NET Core PostgreSQL MongoDB Docker Azure DevOps Microservices Observability CI CD

Senior Software Engineer - Full Stack

Mothership

Oct 2020 - Jan 2025 (4 years 3 months)

Evolved core freight marketplace to microservices and migrated from Firebase to PostgreSQL/MongoDB, improving query efficiency by 50%, reducing infrastructure cost by 20%, and increasing marketplace coverage by 40%.

TypeScript React Next.js PostgreSQL MongoDB Microservices CI CD

Software Engineer II

Microsoft

Aug 2015 - Oct 2020 (5 years 2 months)

Contributed to backend platform services in C#/.NET and Node.js supporting 50,000+ partners, implemented Azure DevOps CI/CD pipelines that increased publishing throughput by 35% and improved reliability by 20%.

C++.NET Core Node Azure DevOps React TypeScript azure monitor CI CD Automation

Teaching Assistant

University of Virginia

Jan 2014 - Jun 2015 (1 year 5 months)

Led labs for 40+ students in computer science courses, improving comprehension of software engineering fundamentals and reducing project errors by 30%.

Teaching Mentoring Software Engineering Debugging

Software Engineer Intern

Capital One

Jun 2014 - Aug 2014 (2 months)

Developed internal web applications on Salesforce Force.com and built automated reporting scripts that reduced report turnaround from 3 days to under 6 hours.

Salesforce Apex Web Applications Scripting

Software Engineering Intern

Coshx Labs

May 2013 - Aug 2013 (3 months)

Built Ruby on Rails web and mobile apps for diabetic users, improving dietary-tracking accuracy by 25% and increasing user engagement by 40% prior to public launch.

Ruby on Rails Mobile Web Analytics User Engagement Product Development

Education

Degrees, certifications, and relevant coursework

University of Virginia

Bachelor of Science, Computer Science

2011 - 2015

Activities and societies: Computer Science Teaching Assistant (01/2014–06/2015): led labs, mentored students on MonoGame and software engineering fundamentals.

Completed a Bachelor of Science in Computer Science with coursework and teaching assistant experience focused on software engineering and game development.