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4G Careers

Software Engineer

Wellesley, MA
Portland, OR
Brussels, Belgium

Software Engineer


Participate on a decentralized, agile-based software development team
Write reusable, testable, and efficient code, unit-test and document implemented features
Design and implementation of low-latency, high-availability, and performant applications
Implementation of server-side models and algorithms
Implementation of web service APIs (REST)
Implementation of client-side logic, including UX design, HTML layouts and templates, AngularJS logic, and styling
Implementation of security and data protection
Integration of data storage solutions 

Required Experience:

The position requires a minimum of 3-5 years’ experience as a Software Engineer in an agile environment working with web-based applications. The skills listed below are those of a full-stack software engineer, with the understanding that each software engineer has his/her own “spikes” or preferred areas.


  • Design and implementation of complex web applications
  • Strong JS coding skills (+ experience with functional programming and high order functions libraries such as lodash)
  • Strong skills with AngularJS/Angular ( ++ if experience with upgrading from AngularJS to Angular, ReactJS or any other framework is a nice +)
  • Strong UI and UX/web design skills (CSS3, SCSS).
  • Experience with reactive programming in JS (RxJS, NgRx).
  • Experience with responsive design applications (e.g. Material Design)


  • Experience with ORM (Object Relational Mapping)
  • Design and implementation of service web APIs such as Django/Django Rest Framework, Express.js or any Node.js framework
  • Experience with modern application frameworks such as Django or Ruby on Rails.
  • Experience with Object Oriented Programming
  • Experience with micro-services / loosely coupled applications using multiple data sources and interfaces
  • Good understanding of how databases work and how to use them efficiently
  • Experience with functional programming / higher order functions is a plus


  • Understanding of accessibility and security compliance 
  • Knowledge of user authentication and authorization between multiple systems, servers, and environments
  • Understanding of fundamental design principles behind a scalable application
  • Strong unit test and debugging skills
  • Proficient understanding of modern development environment tools such as Git (GitHub, Bitbucket) or Mercurial, JIRA or other issue tracking systems, Jenkins or other continuous integration software.
  • Familiarity with regulations pertaining to the FDA or other regulatory agencies a plus
  • Experience with cloud-based applications and virtualization is a plus (Docker, EC2, S3)

Education and/or Certification Requirements:

  • A Bachelor’s degree in computer science, software engineering or equivalent field is required, with preference towards Master’s degree or higher.
  • 3-5 years’ experience in a development role in an agile development environment


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