Alexey F.

- Developed a Slack bot for the app. It allows creating, updating, deleting, and searching for metrics from the main application. It uses almost all available Slack features: slash commands, events, scheduled messages, interactive components. - Developed integrations with other 3rd-party services: Jira, Salesforce, Asana, Zendesk, Tableau, Baremetrics, Google docs, Google calendar. These integrations mostly consist of CRUD operations + oAuth + some advanced searching. - Implemented AWS architecture for all integrations, chose a particular tech stack. Maintaining and supporting all services on a daily basis as a single DevOps engineer.

- Worked on an app that sends messages across three chat platforms: Slack, Webex Teams and Microsoft Teams. - Implemented messages and files receiving logic using webhooks and events subscription. - Implemented messages and files sending logic using platform API calls. - Implemented asynchronous long-polling service for receiving chat events using ReactPHP. Made it multi-threaded using various concurrent and parallel programming techniques. - Helped front-end developers with Vue.js apps. - Implemented app analytics, designed a lot of complex database queries, performed optimization and caching.