- 15+ years working experience in Java, SQL, PL/SQL, J2EE
- Designed and delivered to production high-load projects as team lead. Ad tech projects, few IoT Clouds with the load up to 100k req/sec with the super low maintenance cost.
- 6+ years Netty (active contributor)
- Column-based DB: Clickhouse (maintainer of clickhouse4j)
- Spring (core, data, security, mvc)
- Hibernate, ehCache
- Application Servers (Tomcat, JBoss);
- Relational Databases (Oracle, Postgres, MySql, Vertica);
- No-sql DB (Redis, Voldemort, DynamoDB, MongoDB);
- Spark, Hadoop, Cascading
- Lucene, Solr, ElasticSearch
- Computer vision - image/video processing, optimization.

Specialties:
- System design and development
- System analysis
- Performance optimizations
- Documentation

Early days experience (not relevant nowadays):
- Flex;
- IBM Lotus Notes/Domino

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  CTO: Chief Technology Officer in Blynk

  Low-code IoT cloud platform with user experience at its core