Position: Lead/Senior Android Developer
Category: Android
English level: upper
Years of experience: 11

• Created several apps and services from scratch;
• Did a lot of services with text analysis & processing (hundreds of millions of paragraphs);
• Wrote effective processing flows for millions of transactions;
• Good at asynchronous systems (can be with lots of IO).

Have open-sourced libs (rather old though), e.g.:
• Fork-based thread pool emulation PHP component for effective high-performance data processing;
• API for event-driven async systems (libevent, libev, etc)

Volunteered as a mentor for students at the intensive web development course.
10+ years of experience in software development.  Expert in Kotlin (coroutines, flow, compose) & Java (Android/Server/Desktop).  Good in TypeScript/JavaScript.
Four years of team-leading experience.  Managed teams of 3-5 devs.

I'm passionate about providing a great end-user experience while maintaining code quality with low technical debt.  Love to share knowledge. 

Skills:
• Android/JVM (Kotlin, Java, Groovy, Scala):  high-performance data processing, jetpack compose, multiplatform, security, reverse engineering;
• Project architecture, team management, workflow setup; developers mentoring and coaching, transformation of business requirements to technical tasks;
• TypeScript/JavaScript:  React, Node.js, deobfuscation, mobile embedding;
• Python, R, Julia:  data engineering, statistical analysis, machine learning;
• DB:  PostgreSQL, SQLite, Neo4j, MariaDB/MySQL;
• Fulltext search:  Sphinx, embeddable custom solutions;
• Cryptocurrencies expertise, basic solidity, HD wallets, etc.;
• RegExp:  debugging, profiling and optimization for any complexity;
• PHP:  scaling, daemons, inter-process communication, libevent;
• Some experience with Ruby, C#, C/C++
Would be best to work with Android, Jetpack Compose, and Kotlin codebase.  Also can effectively organize/help with seamless migration to Kotlin/Compose.  Have a lot of interest and some solid experience in the financial/investment/crypto/ml space.