11/22/2024 updated
VM
100 % available
Senior Software Engineer with 14+ years of experience in high-performance systems
Athens, Greece
Only remote
Postgraduate student in Computer Science and Technology, University of PatraJava (Programming Language)JavaScriptPHPDatabasesContinuous IntegrationDevOpsDistributed SystemsScalabilityInfrastructure ManagementPython (Programming Language)PostgreSQLMicrosoft SQL ServersMongoDBMySQLNode.js
Backend and Frontend Development
Expertise in both backend and frontend development, with proven ability to translate complex technical requirements into efficient, scalable solutions.
Performance Tuning and SQL Optimization
Extensive experience in performance tuning SQL queries and optimizing database operations to ensure high efficiency, scalability, and system resilience.
DevOps and CI/CD
Proficiency in implementing continuous integration and deployment processes using tools like Jenkins and Ansible, improving deployment speed and reducing system errors.
Programming Languages
Proficiency in Python, PHP, TCL, JavaScript, Java, Node.js, Ruby on Rails, and various frameworks.
Web Services and Microservices
Experience with RESTful APIs and Microservices Architecture for building scalable and distributed systems.
Database Management
Expertise in various databases including Informix, MySQL, MS SQL, PostgreSQL, MongoDB, and Cassandra.
Infrastructure as Code
Knowledge of Terraform, Kubernetes, Helm Charts, and Argo CD for managing and deploying infrastructure.
Event Streaming and Messaging
Experience with Kafka for event streaming and messaging in distributed systems.
Expertise in both backend and frontend development, with proven ability to translate complex technical requirements into efficient, scalable solutions.
Performance Tuning and SQL Optimization
Extensive experience in performance tuning SQL queries and optimizing database operations to ensure high efficiency, scalability, and system resilience.
DevOps and CI/CD
Proficiency in implementing continuous integration and deployment processes using tools like Jenkins and Ansible, improving deployment speed and reducing system errors.
Programming Languages
Proficiency in Python, PHP, TCL, JavaScript, Java, Node.js, Ruby on Rails, and various frameworks.
Web Services and Microservices
Experience with RESTful APIs and Microservices Architecture for building scalable and distributed systems.
Database Management
Expertise in various databases including Informix, MySQL, MS SQL, PostgreSQL, MongoDB, and Cassandra.
Infrastructure as Code
Knowledge of Terraform, Kubernetes, Helm Charts, and Argo CD for managing and deploying infrastructure.
Event Streaming and Messaging
Experience with Kafka for event streaming and messaging in distributed systems.
Experience
Professional experience10+ years
Freelancer since2024
Languages
EnglishFluentGreekNative speaker
Project history
Designed and implemented scalable architectures, led performance tuning of large-scale distributed systems, and optimized SQL query performance. Collaborated with cross-functional teams to drive continuous integration and deployment processes.
Led end-to-end development of large-scale, high-traffic betting platforms. Architected and optimized system infrastructure, focusing on scalability, performance tuning, and reliability. Managed live production systems ensuring high uptime and rapid issue resolution.
Developed scalable backend solutions for high-traffic betting platforms. Led and managed medium to large-scale projects, conducted code reviews, and worked on frontend development using JavaScript frameworks.