Paris Theofanidis

Full-stack Engineer

Mobile Developer

Project Manager

Samos, Greece

Time Management

Entrepreneurship

Management

DigitalOcean

MongoDB

GraphQL

REST

Architecture

E-Commerce

NoSQL

Amazon S3

PostgreSQL

React Router

Node.js

jQuery

Code Architecture

TypeScript

Automation Testing

Amazon Web Services

Microservices

UNIX

Algorithms

WebSocket

MySQL

Webhooks

Cypress.io

Backend Development

Software Engineering

Apache Maven

Docker

Programming

Front-End Development

Tailwind CSS

Agile Project Management

Web Engineering

Jest

JUnit

Unit Testing

Stripe

Mobile Development

Computer Science

Java

Redux

Spring MVC

Flutter

Web Applications

Dart

Coding

Javascript

Next.js

AJAX

HTML/CSS

PHP

Web Development

Software Development

Laravel

Vue.js

React

Available for hire fromNegotiable

Contracts

Full-Time Roles

Guru Fullstack Engineer with 25+ years of professional experience.

I am passionate about designing and crafting sophisticated web platforms. My journey began at the age of 9 when I wrote my first code on an Amstrad computer. Since then, I have traversed an exciting path. Over the years, I have amassed experience across a diverse range of technologies such as C/C++, Direct3D, PHP, JavaScript/Node.js and microservices. My friends and colleagues often seek my advice for solving complex problems.

Projects

Storemoods

In-store audio and Digital Signage platform targetting revenue increase by driving impulsive purchases whilst reducing customer churn and boosting the feel-good customer sentiment. I have personally designed and built the entire platform including the devices sent to the customers. The tech stack includes PHP, Node.js, Typescript, jQuery, Javascript, PostgresDB, TimeScaleDb, Yii2, MongoDB, RabbitMQ, MQTT, HaProxy, Nginx, Java, Spring, Flutter, and a lot more.See More

Work History

CTO / Lead Engineer

Storemoods GmbH & Co. K.G. As a CTO / Tech Lead Fullstack Engineer at Storemoods, I was responsible for the development and maintenance of a self-bootstrapped platform designed to help retailers reduce customer churn. I played a crucial role in expediting the development of the Angular-based front end and the integration with the TPM2 unit by hiring freelancers. Emphasizing the importance of quality control and continuous delivery, I implemented CI/CD pipelines to streamline the project lifecycle. To ensure the platform's resilience and seamless operation, I meticulously designed and configured it for horizontal automated scaling and fail-safe client operation, guaranteeing uninterrupted functionality even in the event of a portal outage. Furthermore, I played a key role in designing and developing an internet-edge player equipped with cloud-sync and control capabilities, guaranteeing complete functionality during internet disruptions. This player supports comprehensive firmware rollout, customized firmware for specific customers, and automated recovery mechanisms, including the ability to roll back upgrades. My proficiency in a diverse range of technologies, including PHP, Node.js, Typescript (Vuejs), Java, Flutter, RabbitMQ, MariaDB, MongoDB, PostgreSQL, Redis, AWS, Cloudflare, and IoT, has equipped me with the expertise to tackle complex technical challenges and contribute significantly to the success of any organization.

Tech Lead Fullstack Engineer

Sparheld InternationalFeb 2016 - Jun 2019 • 3 yrs 5 mosAs a Tech Lead Fullstack Engineer at Sparheld International, I spearheaded the development and maintenance of a coupon and special offers aggregation portal for the best shops online and offline. Over the course of my tenure, I effectively managed and mentored a team of four engineers, fostering their growth through best practices, code reviews, and valuable feedback on architecture and career aspirations. Recognizing the need for scalability and resilience, I seamlessly migrated the platform to AWS, ensuring its optimal performance and efficiency. To further amplify the platform's reach, I spearheaded the implementation of multiple satellite websites, mirroring content from the original site and tailoring it for localized searches, thereby doubling the traffic per country and securing multiple top-ranking listings on relevant Google search terms. To streamline content updates and address the content team's annual struggle with style and layout refreshes, I introduced a smart content authoring system, empowering non-technical content creators to author and automate rapid content updates, significantly enhancing productivity. Further enhancing the platform's SEO ranking, I implemented ML models to assess content quality prior to publishing, ensuring the highest standards and aligning content with user demographics. My proficiency in PHP, Javascript, SCSS, MongoDB, AWS, and Cloudflare has equipped me with the expertise to tackle the full spectrum of development challenges and contribute significantly to the success of any organization.

CTO

PricePanda & CarSpringSep 2014 - Jan 2016 • 1 yr 5 mos With a keen eye for strategic management, I effectively led a team of 65 cross-functional members by structuring them into smaller units, fostering swift coordination and efficient plan execution. My efforts to expand the company's talent pool by recruiting exceptional engineers enabled rapid prototyping and seamless execution across the tech stack, from frontend to backend and data engineering. Furthermore, I introduced innovative revenue streams through strategic partnerships with Yahoo, WordPress, and browser addons, driving a remarkable 62% increase in sales. To bring order amidst the company's chaos, I established robust processes and procedures, minimizing distractions and pointless meetings while ensuring a clear escalation path for emergencies. My technical expertise encompasses PHP, Javascript, Java, Swift, PostgreSQL, MongoDB, AWS, and Cloudflare, empowering me to handle a wide array of development challenges.

Education

University of Hertfordshire

Bachelor of Science (B.Sc), Computer Science2007 - 2010

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