PARIS MESIDIS

Built membership management and payments platform, refactoring PHP monolith into Go microservices (REST/gRPC) and integrating payment providers to support global fitness centers.

Led design and implementation of backend microservices in Go, improving platform scalability using Kafka, Kubernetes (EKS), PostgreSQL and Terraform while mentoring backend teams.

Developed and maintained OSS/BSS billing systems for telecom clients using Java and Spring Integration, contributing to CI/CD pipelines and delivery automation.

Maintained middleware for digital TV set-top box platforms and developed embedded Linux functionality in C++ and Python to meet customer-specific requirements.

Developed low-latency market data feed handlers and direct market access components in C++ for HFT systems and built backtesting utilities in C++ and Python.

Implemented MapCraft indoor positioning system in C++ and ported Matlab prototypes to optimized C++/Android code, contributing research framework components in Python.

Developed real-time mobile positioning and motion-tracking algorithms using C++/Boost and CUDA, and performed data analysis with MongoDB.

Developed low-level C and assembler test software to verify processor micro-architectural features and maintained automated test and build frameworks for simulator/IDE tools.

Completed an M.Res in Computer Science focusing on mapping of real-time applications on Network-on-Chip based MPSoCs and algorithm/simulator development in Java and SystemC.

Completed an M.Sc in Computing with coursework and research in computing topics.

Earned a B.Eng (Hons) in Computing and Communication Systems Engineering from the Department of Electrical and Electronic Engineering.