- Worked on 2 healthcare apps. Implemented much complex functionality such as encryption, offline support, GDPR compliance, charts/custom views.- Conducted technical interviews with candidates and evaluated their qualifications.- Wrote a series of articles about code review and implemented many best practices related to code review in teams I worked with (they can be found on my Github)- Shared lots of my knowledge with team members through code review- Actively communicated with BAs and stakeholders to find solutions that conform to best practices- Acted as a speaker from the company at technical events- Acted as a team-lead in one of the teams I worked with. I was focusing on improving our ways of working: implemented a new approach to discovery through acceptance criteria and changed the approach of our planning and prioritization, which made it easier to adapt to frequently changing requirements and priorities- I worked on a big retail application for which about 40 Android developers are working on it. Actively participated in improving the technical side of the project: wrote a custom plugin for restarting UI tests to increase stability and reduce the cost of pipelines, facilitated technical calls and documented decisions made, participated in the working group responsible for modularizing the application and making architectural decisions

- Worked on IoT system both as an Android developer and Java Spring backend developer. Refactored existing backend code to get rid of technical debt and implemented custom Bluetooth communication protocol for smart devices- Worked on Blockchain wallet app as an Android developer. Implemented CI/CD- Delivered lectures at the company's internal training events

- Translated business requirements for financial applications for restaurants/construction companies into technical ones and implemented them- Wrote several libraries during development: the first for working with different systems of measures and weights, the second for less boilerplate work with RecyclerView. Released the latter as an open source project