Senior Full Stack Developer and Team Lead with nearly a decade of experience architecting, building, and scaling high-performance web and mobile applications. I specialize in cloud-native microservices, AI integrations, and domain-driven design for global enterprise clients.
- 🔭 Team Lead & Senior Full Stack Developer at Vee – AI For Good. Currently leading the development of the Donna AI agent and scaling infrastructure on GCP.
- 🏢 Founder & CTO at Evolvium Solutions. Successfully bootstrapped a profitable B2B SaaS / consultancy serving TITAN Group, Jio Mobile, and Thailand's Department of Security.
- 🌍 Based in Thessaloniki, Greece 🇬🇷. Working remotely with distributed teams across North America, Europe, and Asia.
- 🧠 Currently deep in LLM orchestration, LangChain/LangGraph, event-driven microservices, and Kubernetes on GCP.
- 🤝 Open to senior / staff / tech-lead roles and interesting AI and platform engineering collaborations.
- 📫 Reach me at theofxam@gmail.com
- ⚡ Fun fact: I like PC building, jogging, cars, and the occasional Netflix binge.
- 🤖 Architected the product infrastructure for the "Donna" AI agent at Vee, including event-driven microservices, a Next.js frontend, and scalable GKE infrastructure managed via ArgoCD and Terraform.
- 🌐 Shipped web apps used globally by 500,000+ users at EF Education First; cut page load times by 32%, page build times by 4×, and mean API latency by 500 ms.
- 🚀 Delivered enterprise products at Crowdlinker for MLSE (+20% engagement), Yumba (+16% orders), and OmStars (+25% retention).
- 📡 Founded EVO PTT, a VoIP push-to-talk platform used daily by professional teams worldwide.
- 👥 Hired, mentored, and led teams of up to 8 engineers across multiple companies.
- ☁️ AWS Certified Cloud Practitioner · comfortable across AWS and GCP ecosystems.
Languages
Frontend
Backend
Databases
Cloud & DevOps
AI & Integrations
Testing
Note: Top languages only reflect my public repositories. Most of my day-to-day work happens in private/enterprise codebases.
I'm selectively open to Senior / Staff / Tech Lead roles — remote or Thessaloniki-based — especially those involving AI products, platform engineering, or scaling early-stage teams. If that sounds like you, let's talk.
