?Front-end ? - NextJS, ReactJS, Javascript, Angular, Redux, Apollo? Back-end ? – NestJS,? ? ExpressJs, NodeJs, MongoDb, Elasticsearch, Redis, Nginx, GraphQL? Testing? – React-testing-tools, KarmaJs, Jasmine, Cucumber, Jest, Sinon, Mocha? Messaging? – Socket IO, AWS SQS,? DevOps? – Docker, Git, Jenkins, BitBucket? Project Management Software? – Jira, Asana
