Konstantin Ignatyev

Experience

• 

  Naumen

  Jan 2015 - Oct 2016

  Scala Developer

  Development and maintenance services for the formation of expert opinions on design documentation and engineering survey results.- system development and support- development of integration serviceScala 2, Java, Play, Akka, Kafka, PostgreSQL, twirl.

• 

  Нетрис

  Oct 2016 - May 2019

  Scala Developer

  - developed and maintained several services around IPTV solution under play framework and scala 2.12.- support and writing features for administration service around IPTV spec.- storing processing data from RabbitMQ- coordinated with the team to debug the server issues and resolving them.- used slick and jooq framework to query to mySQL db- writed SOAP ui integration test- rewrite monolith to microservices architecture, split 1 big project to 4 small (admin panel, data processing store, user behavior handlingand auth service)stack: scala, slick, play, jooq, mySQL, h2, swagger, soap ui, rabbitMQ Свернуть

• 

  M.Video

  Dec 2019 - May 2020

  Scala Developer

  As a part of the engineering team, I design and develop components of a microservices architecture of Mlife 2.0 intranet project such as reverse proxy authentication service (OAuth 2.0), business communication platform (several bounded microservices for communication of our clients), notification service, etc- Writing confession services (the service makes it possible to congratulate a specific user of the platform) (stack: Lagom framework, cassandra, elastic search)- Writing business - communication service to achieve some custom communications of stock, administrators and sale managers in terms of intranet communication- Writing authorization service with Oauth 2.0 flow, which is gateway reverse - proxy to SAP data (stack: scala, cats, cats-effect, circe, http4s)Stack: Scala 2.13, lagom framework, kafka, cassandra, ELK, pureconfig, circe, swagger Свернуть

• 

  Sberbank

  May 2020 - Oct 2022

  Scala Developer

  NLP platformcreated symmetric spell checker for NLP platform- Symmetric speller algorithm instead Norvig- Speller can correct segmentation sentence (separate by space)- Tuning performance and accuracy about several properties- Store possible corrections- Strong throughput (about 1 second for correcting text of 20 words with 12 letters average)Cibersecurity platform-Designed and implemented a new investigations platform (several services) to work with investigations life circle- Integration with many other AC- Preparing processing thread to store data from HDFS- Drive and manage projects through to completion- Assist the PM in the project planning process, provide detailed work estimates- Closely collaborate with Product Management, Quality Assurance, Data Operation and IT Infrastructure on all stages of the software development life cycleStack: scala 2.13, zio, http4s, postgreSQL, H2, tapir, pureconfig, circe, doobie Свернуть

• 

  RISK IDENT

  Nov 2022 - Nov 2023

  Scala Developer

  A member of antifraud platform team.- improving performance of transaction feature scoring- improving test coverage- implementing new features- implementing ui parts (React)Stack: scala 2.13, play, zio, react, kafka, rabbitMQ