Money Does Not Buy Happiness, But It Buys Freedom
A small conversation made me think harder about what money really gives us
Hi, my name is
Thomas Doan.
I build things for the web.
I am a senior full-stack engineer focused on product quality, performance, and thoughtful user experiences. I am currently open to new opportunities where I can help teams ship meaningful outcomes.
- Product-minded execution
- Healthtech, SaaS, and AI products
About Me
Hello, I’m Thomas. I’ve worked across five startups, including full-time roles and contract engagements. That experience taught me how to balance speed, quality, and ownership while delivering reliable software.
I’ve had the privilege of contributing to teams at Crossfill, Therify, and Atlys.
A few strengths I bring to product teams:
- Collaborative mindset
- Low-ego communication
- Self-starter execution
- Strategic thinking
- User-first decision making
- Cross-functional leadership
Where I’ve Worked
Senior Software Engineer @ Crossfill
Mar 2025 - Present
AI-powered SaaS platform; contributed to product and go-to-market initiatives that converted three pilot customers into paying accounts.
- Drove architecture decisions across frontend systems and workflow orchestration layers.
- Defined scalable patterns for state management and API integration across multiple product surfaces.
- Collaborated across frontend, backend, and DevOps teams to maintain cohesive system design.
- Improved frontend performance via SSR/ISR optimization, code-splitting, and caching strategies.
- Built analytics dashboards with Recharts to support real-time visibility and decision-making.
Some Things I’ve Built
Featured Project
Crossfill
Crossfill is an AI-powered SaaS analytics platform that delivers real-time performance insights through interactive dashboards and advanced data visualization. The platform leverages GenAI-driven automation to enrich data, generate actionable recommendations, and streamline reporting workflows. Built on scalable cloud infrastructure with workflow orchestration and distributed processing, ensures reliable, high-performance operations for data-intensive commerce environments.
- NextJS
- TypeScript
- FastAPI
- GCP + Kubernetes
![Crossfill]()
Featured Project
Therify
Therify is a mental health and wellness platform focused on providing culturally responsive care to individuals and organizations. It connects employees to a network of diverse therapists and coaches, aiming to improve mental health accessibility, inclusivity, and outcomes. Therify empowers businesses to support employee well-being through personalized care solutions, education, and data-driven insights.
- ReactJS
- NodeJS
- AWS
- Celery
![Therify]()
Featured Project
Axle Health
Axle Health is an in-home healthcare logistics platform focused on intelligent scheduling, routing, and operations workflows. The product helps care teams coordinate visits, optimize clinician time, and improve reliability across distributed field operations. Built with a product-first mindset, it blends operational depth with a clean experience for clinical and admin teams. I contributed to improving workflow clarity, delivery reliability, and full-stack execution across planning and day-of-operations experiences. The result was a more dependable platform for care coordination teams managing high-volume, time-sensitive logistics.
- React
- TypeScript
- NodeJS
- AWS
![Axle Health]()
Other Noteworthy Projects
view the archivePet Moment
AI-powered platform that transforms pet photos into personalized keepsakes and products through an intuitive upload-to-checkout experience.
Polish Based Startup Company
Polish website designed for telemedicine services, primarily targeting medical professionals and patients seeking online consultations
CRM Management Platform
AI-powered platform that enables businesses to automate customer interactions and improve operational efficiency. The platform offers customizable AI solutions for tasks like customer service, data processing, and analytics.
Mohana Health
Healthcare-focused website that likely offers services related to telemedicine, health consultations, or healthcare software solutions.
The Customer Science Cloud for Pharma
SaaS platform that leverages AI and data analytics to streamline and optimize commercial operations in the pharmaceutical and life sciences industrie
Dogfy Diet
Subscription-based service providing fresh, customized, and nutritionally balanced meals for dogs
Latest Insights
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What’s Next?
Get In Touch
I’m currently open to new opportunities and collaborations. If you have a role, project, or idea in mind, I’d love to hear from you.
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