7 projects in total for investment banking, retail, game publishing. big data startup. Migration to the cloud Application development, Microservices, Streaming/Batch Stack : AWS, GCP, Spark/Confluent Streaming, DataProc, BigQuery, Snowflake, Spring Cloud/Config/Mongo/Data Python, Scala, Java 8, Golang Terraform, CloudFormation, Helm

2 projects for investment banking. On premise. Application development, Streaming/Batch Stack : Java 8, Spring Boot/Integration/Batch, Apache Camel, Jasper, Apache Storm

2 projects for the banking online payment system. Processing 12% mobile payments nationwide 24/7 Design & development Enterprise Backend API for cards, mobile payments. R&D - Design processing clusters based on IMDG Stack: Scala/Java 8, SOAP WS, REST, Camel, GridGain, Akka Cluster/Streams, Spring Batch/Integration, IBM MQ/MB

Banking, Payment processing. Reconciliation Improvements and implementation of the current product Design & development POC for the next generation product SmartVista. Stack: Akka Cluster, Kafka, Flume, ELK, Camel, ActiveMQ, IMDG, Oracle, PostgreSQL. Java 8, Scala

Fintech. Online banking. Backend API development. System integration. Distributed caching. Enterprise Event driven architecture. Stack : Scala/Java microservices. Riak cluster, Oracle Streams, IBM MQ, SAS DW, Zookeeper

Digital media platform (DMP). Real Time Bidding protocol (RTB). Business intelligence. Development, R&D. Stack : AWS, GCP, Spring, BigQuery, Redshift, Hbase, Hadoop, Druid, Mongo, Aerospike, Cascalog, Apache Storm, Snoop, Erlang/OTP, Java, Scala

Investment banking. Backend for the trading/options desk. Position keeping. SOA/EDA, system integration. Web portal for online clients. Planning, design. R&D + POC : Multipurpose backbone platform for trading desk. Upstream : 600 000 msg/s; 50 Erlang/OTP nodes in cluster; Latency - 9 ms 4. Took part in R&D projects based on Erlang/OTP platform Stack : Java, Spring, Ruby, Greenplum, Oracle, Erlang/OTP, Apache QPid The story is interrupted here because it is not interesting. After university I have worked on MS products for 4 years. Then I moved to Tokyo where I started to work on JVM to this day. Lately I've been more interested in alternative platforms : Golang, Rust