Medior/Senior Back-end (Node.js | MongoDB) Developer

Positions open in Belgrade (Serbia)

About Florence Healthcare

Florence Healthcare provides the most user-friendly and flexible eRegulatory solution in the healthcare industry. Florence eBinder Suite™ is trusted by thousands of principal investigators, research sites, cancer centers, academic institutions, sponsors, medical device manufacturers, and contract research organizations around the globe.

Job Description

We seek talented Node.js developers to build the future for clinical trials by contributing to our eBinder Suite™ platform.




  • Be a team player: contribute to our culture, invent new ways to address industry needs, criticize constructively, and help create a world-changing company

  • Develop from the ground up a modular architecture to support a web API

  • Manage all aspects of the software life cycle (Requirements gathering, Testing, Deployment, Support)

  • Write automated tests via TDD to foster effective, reusable, and flexible code

  • Design and implement low-latency, high-availability, and performant applications

  • Implement security and data protection

  • Build RESTful APIs with Node.js, Hapi.js, and other frameworks

  • Build logic in isolated, independent modules

  • Integrate data storage via MongoDB


Skills & Requirements




  • Passionate about creating high-quality, flexible code

  • Strong understanding of REST API principles and best practices

  • Expertise in Node.js

  • Expertise with Express or Hapi.js

  • Proficient with Git

  • Proficient with JavaScript, comfortable with ES6/2015

  • Proficient with user authentication and authorization between multiple systems, servers, and environments (cookie-based authentication, OAuth, JWT)

  • Basic understanding of design patterns


Major Plus


  • Proficiency in ES6

  • Proficiency in NoSQL databases (MongoDB), specifically performance, modularization, and maintainability

  • Proficiency in building modular applications

  • Knowledgeable on Microservices and/or Service-Oriented Architecture

  • Knowledgeable on security principles (OWASP)

  • Basic understanding of templating languages (EJS, Jade, etc)

  • Basic understanding of build tools (Gulp, Grunt)

  • Basic understanding of scripting deployment tasks with tools like Strider, Ansible or others

  • Basic understanding of pre-processors (Sass, Babel, etc.)

  • Basic understanding of front-end technologies (HTML5, CSS3, ES5+)

  • Experience with Elasticsearch

Salary Range

  • Very competitive, per qualifications

To apply for this opportunity, please send your resume or CV in English to