\datedlocatedsubsection{Jun 2023 - Sep 2023} {WebHotelier | primalRES, Athens, Greece} {Software Engineering Intern} {% With 9000+ customers in 38 countries, WebHotelier | primalRES stands as one of Europe's hospitality tech giants. % \begin{itemize} \item Spearheaded a complete overhaul of the company's \textbf{Grafana} dashboards, slashing the time-to-load by approximately 80\% while also increasing the number of metrics shown. \item Collaborated directly with the CTO to secure a year-long contract with \textbf{ClickHouse Cloud} and \textbf{AWS}. \item Migrated the entire metrics stack from \textbf{InfluxDB} to \textbf{ClickHouse}. This shift amped up performance by over 50\% without inflating operational costs. \item Engineered an open-source \textbf{Telegraf} ClickHouse plugin optimized for Terabyte-scale data outputs, outperforming the in-built plugin in terms of efficiency. \item Deployed Telegraf across 12 \textbf{Amazon EC2} instances, revealing and subsequently rectifying performance bottlenecks. \item Modernized the logging approach by transitioning to \textbf{ClickHouse}, thereby ending the thread-related challenges of the previous file-based system. \item Teamed up with fellow developers to incorporate \textbf{DataDog} performance monitoring into \textbf{Java} applications, improving understanding of app operations and pinpointing areas of enhancement. \end{itemize} } \datedlocatedsubsection{Jun 2022 - Aug 2022} {Softwire, Manchester, UK} {Software Engineering Intern} {% Working with some of the UK's leading brands, Softwire designs bespoke software and delivers innovative digital engineering expertise. % \begin{itemize} \item Co-developed a pro bono web app using \textbf{React Native}, \textbf{Typescript}, \textbf{AWS Lambda}, and \textbf{AWS DynamoDB} in a 6-person team. \item Played a key role in building the majority of the application's \textbf{REST} backend, ensuring efficient data handling and connectivity. \item Participated in daily stand-ups, retrospectives, sprint planning, and review meetings. \item Engaged in direct client interactions, presenting progress, receiving feedback, and iterating on the application in real-time. \item Authored clean and maintainable code which was tested using unit, integration, and end-to-end testing. \end{itemize} } \datedlocatedsubsection{Jul 2019} {InterSearch Worldwide, Dubai, UAE} {Intern} {% Ranked among the 30 largest executive search firms in the world, InterSearch Worldwide has 90 offices in 50 different countries. % \begin{itemize} \item Developed a \textbf{Python} CLI Tool to automate Candidate CV and Financial Documentation Entry, extracting information from .pdf, .doc, and .docx CVs to a \textbf{FileFinder} database. \item Incorporated \textbf{XML} parsing techniques for data extraction from Microsoft Word documents, and \textbf{Optical Character Recognition} with OpenCV to interpret non-editable PDFs. \item Applied \textbf{Natural Language Processing} using NLTK to categorize text tokens such as names, addresses, and skills. \item Navigated database interactions using PyAutoGUI, a workaround due to limited direct database access. \item Refined the E-mail spam filter to improve productivity and internal communications. \end{itemize} }