Dimosthenis Botsaris

Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD Main Projects Developed: 1. API: A GraphQL API to handle requests from dashboards and mobile apps built on Node.js, ExpressJS, Apollo, PostgreSQL, AWS, Docker. 2. Dashboard: Parts of the Limbic therapist's dashboard built on ReactJs and Apollo which is being used to analyse all data collected via patient mobile app, make it easy to identify patterns in thoughts, feelings and behaviour. 3. Microservices: Node.js services and and FaaS (built on Amazon Lambda) to collect data like heartbeat / accelerometry, predict human emotion, send push-notifications to clients, handle user's authentication, using event driven communication, in order to build a scalable emotion tracking system via continuous physiological signals from consumer wearables and support the main API.

Socius is a automated ad builder using two main apps/dashboards: 1. CDA app which empowers brands to amplify their branded content beyond the feed to mass media 2. SoLo app an automated programmatic ad platform, where you can advertise with top national and local media sites Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Automated Testing, Code Review Main Projects Developed: 1. SoLo API: A RESTful API to advertise with top national and local news sites as easily as promoting a post on Facebook, built on Node.js, ExpressJS, PostgreSQL, Google Cloud, Docker. 2. SoLo Dashboard: The SoLo customer's dashboard is being used to create an advertisement with one click from your Facebook page, developed with ReactJs and Redux. 3. SoLo Microservices: Independent components and FaaS using Google Cloud Functions, built on Node.js and Golang to handle customer's payments, push notifications, user's authentication and support API and using Gcloud PubSub as internal communication. 4. CDA API: A GraphQL API, built on Node.js, ExpressJS, Couchbase, Docker, Redis and AWS to support CDA Dashboard. 5. CDA Dashboard: The customer's dashboard developed with AngularJS. 6. CDA Microservices: Node.js services and FaaS using Amazon Lambda to collect data from social network based on tags, analyse them, create a steady stream of content online, and push it to customer's page.

A real-time location-based social/dating app, with which you could find people close to you and interact with them using an ephemeral 23-minute chat. Responsibilities: Backend Development, Frontend Development, Software DevOps, iOS Application, UI/UX Design, Landing Page, Web Prototype, Business Development Main Projects Developed: 1. Web Prototype: 23' web application prototype (SPA), built on AngularJS. 2. iOS Application: 23' iOS app, developed using Swift. 3. API: A Node.js API to handle requests from mobile apps, built with Node.js and ExpressJS, served at Heroku. 4. Chat server: A Node.js socket.io implementation, in conjunction with Redis, serving as the chat service for the app users.