Senior Node.js Developer, Educational Chatbot

Our client is an American startup in the education field. The project is a chat bot that is installed on the sites of educational institutions. The goal is to provide information and reference services to students of educational institutions. The chat bot is controlled by AI based on IBM Watson.

The project is currently in production in the implementation phase of the new release. The environment is deployed with Docker on AWS ECS. AWS CloudFormation is used to automate infrastructure management. Image building, code verification, and running of tests are performed in CircleCI.

The project uses Gitflow for pull requests, code reviews, unit tests (the functionality is partially covered), and manual testing.

The processes are arranged according to the Agile principle (Scrum) with 2-week sprints, retrospectives, planning, and calls with the team. The team is distributed and works remotely.

Key technologies:

• Drupal (Symfony).
• NodeJS: several Express servers are responsible for different levels of business logic. NextJS is used for server side rendering of React applications.
• React + Redux for the chat bot and two SPAs.
• Lerna.
• MySQL (in conjunction with Drupal), MongoDB (for statistics from NodeJS applications), Solr (for full-text search).

Required Skills and Experience

• 5+ years of experience developing web-based software products using Node.JS
• Experience with React
• Experience with several of the following: NPM, Webpack, yarn, TypeScript, JavaScript, SPA Mongo.DB
• Expert Git
• Understanding of OOP and SOLID principles
• Understanding of web development paradigms (RESTful APIs, pub/sub, security)
• Experience with micro-services and development of performant and scalable applications
• Experience with Git or another DVCS
• Good Spoken English

Additional Competencies

• Understanding of Progressive Web Apps and Accelerated Mobile Pages
• Familiarity with Jenkins, Jira, Confluence, Bitbucket
• Experience with some of the following: CSS-preprocessors (LESS, SASS), Docker and Kubernetes, Kafka, WebSockets, MQTT, gRPC, MessagePack, protobuf

DataArt offers: 

• Professional Development:
  - Experienced colleagues who are ready to share knowledge;
  - The ability to switch projects, technology stacks, try yourself in different roles;
  - More than 150 workplaces for advanced training;
  - Study and practice of English: courses and communication with colleagues and clients from different countries;
  - Support of speakers who make presentations at conferences and meetings of technology communities.
• The ability to focus on your work: a lack of bureaucracy and micromanagement, and convenient corporate services;
• Friendly atmosphere, concern for the comfort of specialists;
• Flexible schedule and the ability to work remotely;
• The ability to work in any of our development centers.