Konstantin Vitkovsky Email & Phone Number

Lisbon, Lisbon, Portugal

Remote

Working on the back-end and the infrastructure, improving performance, reliability and security across the whole service. Leading several technical and product initiatives, including system design, discovery and planning work for the team.- ran troubleshooting and performance optimisations on MongoDB;- created a robust message-processing pipeline, handling ~1,500 msg/s with Kafka;- carried out adoption of DevOps best practices, set up monitoring and alerting;

Remote

Working on new product features, from discovery and design, to implementation and automated tests. End-to-end involvement in the product processes, including discovery, prioritisation, customer interviews and support.- created a GraphQL API with permission-based auth, automated tests and great DX;- migrated the app from Ember to React with modular architecture and E2E-tests;- created a robust billing integration (Stripe) based on webhooks;

Remote

Working on new features in a growing product, including the requirements, UI/UX design, collaborating with the back-end team, and refactoring existing components and systems.

Izhevsk, Udmurtia, Russia

Working on a couple .NET and Angular projects, with regular communication with the customer and the QA team on requirements, design and feedback. Focus on quality and performance, lots of troubleshooting and testing on different devices.