My client is looking for a Senior NodeJS Developer to work on a combination of Node.JS and Javascript / AngularJS / VueJS websites and API’s, including their CRM system. 

Key Responsibilities 

 - Integration of user-facing elements developed with server side logic 

- Comfortable taking ownership and writing reusable, testable and efficient code 

- Design and implementation of low-latency, high-availability and performant applications 

- Implementation of security and data protection best practices 

- Good team worker and interested in mentoring others 

- Operate as part of a flexible Team and undertake ad hoc project work as required. 

Skills and Knowledge 

Essential 

• Strong proficiency with JavaScript and NodeJS using ES6 techniques 
• Understanding the nature of asynchronous programming, web sockets and event driven architecture 
• Implement accessibility, security compliance and data protection best practices 
• User authentication and authorization between multiple systems, servers and environments 
• Integration of multiple data sources, API’s and databases into one system 
• Understanding fundamental design principles behind a scalable application 
• Strong understanding of SQL databases, such as PostgreSQL, with the ability to explain transactions, ACID compliance, various types of joins, stored procedures, trigger functions, indexing, security best practices, etc. 
• Creating database schemas that represent and support business processes 
• Implementing automated testing platforms and unit tests, such as AvaJS or Mocha 
• Good understanding of front-end technologies, such as HTML5, and CSS3 along with server-side CSS preprocessors e.g. SASS or LESS 
• Comfortable in a command-line environment and Ubuntu system administration along with experience with NPM, Gulp, Bower and Vagrant. 
•  Proficient understanding of code versioning tools, such as Git 
• Due to the nature of the projects, a good mathematical or financial accounting ability is desirable 
• Must be self motivated with the ability to work independently