Technical Leadership
Direction, mentoring, and cross-team engineering ownership
Staff Engineer · Tech Lead
Panagiotis Vourtsis
About
Staff Engineer and Tech Lead with 14+ years building and evolving web products and driving technical direction across Staff-plus and Principal-level scopes. Experienced in cross-team leadership, web architecture, design systems, and developer experience. Strongest technical background in TypeScript, React, and Node.js, with experience across distributed systems, backend infrastructure, and reliability. Based in Athens, Greece.
Experience
Blueground
Lead Software Engineer (Tech Lead)
- Led technical direction and engineering initiatives for Blueground's Web platform, collaborating with cross-functional teams.
- Led a team of 4 engineers and 1 intern, providing technical guidance, mentoring, and support across the Web platform.
- Drove major architectural migrations, including the transition from Stripe to Adyen and Bull to BullMQ.
- Improved frontend architecture by adopting Vue 3 patterns, enhancing maintainability and long-term evolution.
- Improved system reliability through technical deep dives into alerting and production issues, helping establish clearer observability and operational practices.
Orfium
Principal Software Engineer (Frontend)
- Promoted to Principal Software Engineer, driving technical direction and architecture across multiple products and teams.
- Led the evolution of Orfium's Design System, aligning design and engineering around scalable components, tokens, and shared standards.
- Drove frontend architecture initiatives including the adoption of a monorepo, improving code sharing, consistency, and developer experience.
- Mentored engineers and collaborated with cross-functional stakeholders to guide complex engineering decisions.
- Spearheaded AI adoption and innovation across the department.
Orfium
Senior FrontEnd Software Engineer
Tripsta
Senior FrontEnd Engineer
Daily responsible for the stability of the site across 45 markets. Built on React with MobX; transitioned the old platform from Backbone.
Funkmartini
Web Developer (Full Stack)
Imagine Mobile
FrontEnd Developer → Lead FrontEnd Developer
Web Experts
Web Developer
Skills
Web Architecture
Product architecture, migrations, and long-term frontend evolution
Design Systems
Tokens, shared components, and design–engineering alignment
Monorepos
Code sharing, consistency, and developer experience at scale
TypeScript
Typed systems and maintainable application code since 2019
JavaScript
Deep language fluency across frontend and Node backends
React
Apps with Redux, Zustand, MobX, and modern React patterns
React Native
Cross-platform mobile apps for product and side projects
Vue 3
Composable frontend architecture and pattern adoption
Node.js
Backend services, tooling, and full-stack delivery
Express
APIs and GraphQL servers on Express and Apollo
GraphQL
Schema design, subscriptions, and client–server contracts
MongoDB
Document models with Mongoose and production data flows
MySQL
Relational storage for client and user data
Kafka
Event-driven pipelines and distributed messaging
BullMQ
Reliable job queues and background processing
CSS
Layout systems, design tokens, and refined UI polish
Observability & SLO
Alerting, production deep-dives, and reliability practices
Education
Internet Engineering and Web Management
2010 – 2011Internet Engineering and Web Management
2007 – 2010Projects
Trivially
2021 – 20233v3 live quiz game app.
React NativeVithoulkas App
2019 – 2021Homeopathy chat app connecting patients with practitioners.
React Native / BackendBeatYaBeat
2018 – 2019Music quiz game with real-time GraphQL subscriptions.
React Native · GraphQL · Node.jsQuizBeat
2019 – 2021Live quiz on mobile with ~3 000 instant concurrent users.
React NativeFunkmartini App
2017Android/iOS companion app for Funkmartini.
React NativeQuizdom
2015 – 2016The most famous Greek quiz app.
Full Stack (MEAN)Writing
Orfium’s Design System — from first step to present
2022How we built and evolved a React design system across design and engineering.
Handling Redux Side-Effects — the RxJS way
2019Patterns with redux-observable for async flows, cancellation, and testable epics.
JS, Types and the road to sanity (Flow, TypeScript)
2019Why we adopted static typing on the frontend and what actually improved.