CV
Konstantinos Plumidakis
kost.plu@gmail.com · LinkedIn · GitHub
Working Experience
2020–Present: Director of Engineering & Co-founder, Empitech
- Managed a team of 10 employees
- Continued consulting partnership with ubet.io, managing the tech team and launching the platform in Brazil
- Created a web & mobile app for Emirates & Aegean, used by thousands of employees for uniforms & accessories management
- Created animation experiences in Pixi.js with Spine, for Super3, Powerspin, Multispin, Powerspin on Fire & Super3 revamp
- Created RNG backend & RGS backend in Golang, ready for GLI compliance testing
- Created Horsie, an instant game utilizing the in-house RGS, as a proof of concept
2018–2020: CTO, Quizdom UG
- Shifted the company toward a consulting model, with ubet.io as our main client
- Led a 30-person offshore engineering team in Vietnam, overseeing delivery of the ubet.io platform
- Advised ubet.io leadership on architecture, engineering processes, and technical roadmap
- Reported quarterly KPIs and project direction to Quizdom and ubet.io stakeholders
- Designed a “Live Quiz” game featuring ultra-low-latency live video streaming, supporting 1M+ concurrent users
- Collaborated with high-profile customers, including UEFA, Vodafone, MTN, and others
2016–2018: Lead Developer, Quizdom UG
- Lead developer overseeing two Quizdom products with 2+ million registered users, involved in product development, specifications, analytics, testing, software development, and maintenance
- Led a team of five developers in-house
- Consulted for external companies across all aspects of development
- Development and maintenance of the Android app
- Development and maintenance of the backend, transforming it into scalable microservices (PHP/MySQL)
- Coordination and steering (including specifications) of the iOS app
- Set up and maintained cloud server infrastructure (AWS, Docker clusters of Linux/Apache servers, push-notification servers, email servers)
2015–2016: Software Engineer, Quizdom UG
- Undertook the backend and Android app of the Quizdom app
- Refactored vanilla PHP, adding robustness, speed, and extensibility
- Added new features to the native Android app
- Migrated the whole backend infrastructure from dedicated servers to Microsoft Azure, then to AWS — the latter with zero downtime and issues
- Introduced game-changing features in the Quizdom app, including a daily bonus structure, a bonus prize spinning wheel, and tournaments
2014–2015: Software Developer, NetSemantics S.A
- Development, maintenance, and expansion of an in-house ERP-CRM application using .NET and T-SQL
- Design and development of mobile applications for Android and iOS
- Integration with major travel services wholesalers — web service implementation
- Data distribution to B2B/B2C channels
- Business intelligence reporting using SAP Crystal Reports and ActiveReports
- B2B and B2C website design and maintenance
Education
2014 — University of Piraeus, Master’s Degree in Advanced Information Systems 2009 — University of Piraeus, Bachelor’s Degree in Computer Science
Languages
Greek: Fluent — bilingual English: Fluent — bilingual
Code & Frameworks
Languages: JavaScript, TypeScript, Golang, PHP Frontend: React, React Native Backend: Node.js, Express.js Databases: PostgreSQL, MySQL, Redis Infra: Docker, AWS, Kafka AI/ML: OpenAI / Anthropic APIs, Soniox (STT), AssemblyAI (STT), Pyannote (diarization)
Interests
I love a good challenge, solving problems, and helping my peers in any way they need me. Whether it’s scaling a backend, leading a team through uncertainty, or building something from scratch, I’m the person for the job.
Interests: F1, cycling, running.