Razvan T.

FULL STACK DEVELOPER

554 dollar
Freelancer
7 ans
Bucharest, ROMANIA

Mon expérience

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Info WorldJune 2017 - Présent

I've worked on a scheduling application that is being used in Rehabilitation Hospital.
After working on the medipedia.ro project, together with 4 juniors. Within these projects I was team lead.

On the backend I had key accomplishments:
- Implemented HL7 FHIR® – Fast Healthcare Interoperability Resources
- Implement batch/transaction mechanism, this mechanism give the possibility to add/edit/remove more resource by single http request ( https://www.hl7.org/fhir/http.html#transaction )
- Implement patch mechanism ( https://www.hl7.org/fhir/http.html#patch )
- Implement firebase push notification for FHIR resource
- Implement algorithm that generate code based on metadata:
 - - Generate GraphQL Schema classes based on FHIR StructureDefinitions
- Map SQL tables to Mongoose schemas conformant to FHIR
- Optimize SQL Server and MongoDB queries

Technologies and frameworks used:
- Front: React.js, Angular 6, Redux, Rx.js, SASS, Bootstrap
- Backend: Node.js, Koa.js, MongoDB,  Mongoose, Typescript, GraphQL, SQL Server, Json Schema, Firebase Push Notification
- Tools: VS Code, Git, Robo 3T
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FreelancerJanuary 2019 - Présent

Build elearning platform for pharmacists. ( http://frontlinesolutions.ro/ )

Front: Angular 7, RxJS, GraphQL, Bootstrap, Sass

Backend: Node.js, Koa, Apollo GraphQL, Typescript, SQL, Azure Cloud, Heroku
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-October 2017 - August 2018



Research and volunteer


Company Name
Colegiu Studentesc de Performanta Academica - Oct 2017 – Aug 2018


Volunteer duration
11 mos











This organization is focuses on promoting scientific research and
volunteering. Each member of the college has a research project. My
research project aims at developing a financial consulting chatbot that
will be available on Facebook. For development I used Node.js, python for
smart replay. (https://www.facebook.com/alfredconsultingbot/ )
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FreelancerJanuary 2016 - March 2018

As a freelancer, I've created multiple wordpress themes using Bootstrap, CSS 3 and JQuery.
One of them is https://www.startpreventivi.it/
I have applied search engine optimization (SEO) and Google AdSense on the websites I've maintained.
My work envinroment includes Linux VPS (Centos, Debian) and as hosting software I use Apache.
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msg systems RomaniaAugust 2016 - March 2017

The scope of the project was to create a user interface component, using PatternFly and Vue.js. I've

worked quite a lot with Webpack, ES6 and Git.



The training is composed of two parts. The first one is theoretical and it included the theoretical study of :
Java Servlet Programming
JSP
Application Servers for application developers Hibernate
EJB 3
Java Persistence API
Source Code Management
Glassfish
Logging
The second part of the training was practical and it was reed by a group project. It was a simplified version of Facebook. The tech stack of the project included JavaServer Face with Primeface, JPA, Hibernate & EJB. As a IDE we used Eclipse and as a solution control system we used SVN.

Mes compétences

WordPress, Web development, Web Design, Vue.js, TypeScript, RxJS, React.js, Python, PHP, Node.js, MySQL, MongoDB, JavaScript, Java, HTML, HL7, GraphQL, Git, Flutter, CSS, C/C++, Bootstrap, AngularJS, Angular 7, Angular 6