Position: Node.js Developer, Parcel Delivery App
Company: DataArt
Experience required: 3y
English level: intermediate

**About the vacancy**

The client is a British company that provides ready-made white label solutions for sending/returning packages, tracking goods logistics, data management, billing, and more.

The client’s main customers are large postal companies, branded clothing stores, “door-to-door” delivery companies, etc. Geographically they cover Europe, USA, Australia, Japan, etc.

Technical description:

•  Microservice architecture is based on ABC services

•  The main part is on AWS Lambda, the smaller part is on EC2

•  The database is Couchbase, supplemented by SyncGateway

•  The codebase is JavaScript and Node.js.

**Responsibilities**
- Building backend components (APIs, crons, serverless functions) using Node.js
- Managing infrastructure of microservices in Kubernetes
- Designing the system’s BE components and their interactions
**Must have**
- 4+ years of experience with the Node.js platform
- Strong knowledge of JavaScript
- Experience with microservice based architecture
- Understanding of the main design patterns, the principles of building client-server systems
- Experience with AWS products (Lambda, EC2, ECS, SNS, SQS, DynamoDB) or their analogs
- Experience with Kubernetes
- Experience with Couchbase or other DBMS of the NoSQL class
- Skills with version control systems (Git)
- Good spoken English

**Would be a plus**
- Skilled with frameworks and libraries: Express, Lodash, Bluebird, etc.
- Experience applying unit testing (Mocha, Chai)
- Experience with REST Endpoints
- Experience configuring AWS (routing, balancing, DNS)