Lead Backend Engineer(Javascript)

Key Skills- 2-5 years of experience in building API services using NodeJS Express and relatedframeworks- Expert level understanding of NodeJS asynchronous runtime- Expert level understanding of Javascript concepts on callbacks and closures- Experience with Postgres, NoSQL, Redis, and Firebase real-time database- Experience with AWS services like Elastic Beanstalk, Cloudfront, S3, EC2, Lambda,API Gateway, SQS, etc- Understanding of patterns and techniques for building scalable back-endinfrastructure including caching, rate limiting, authentication, and authorizationschemes.- Experience in building highly scalable and high throughput services withmillisecond response times- Experience working in a collaborative team environment- Excellent communication & interpersonal skills- Willingness to learn and pick up new technology along with patience to mentorBonus skills -- Experience with ElasticSearch, Puppeteer- Experience writing unit tests