Andrei Ivaniuk

CTO

Warsaw, Mazowieckie, Poland12 yrs 7 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in SaaS and real-time data processing.

ScalaSoftware DevelopmentClickhousePlay FrameworkClojureJava

Functional ProgrammingDevOpsCatsCats EffectDoobieCirceShapelessMicrosoft SQL ServerAkkaAkka StreamsSlickPostgreSQLKafkaAkka PersistenceAkka Cluster

12 yrs 7 mos

Total Experience

3 yrs 1 mo

Average Tenure

6 yrs 4 mos

Current Experience

4 roles

Promoted

Apr 2023 – Present · 3 yrs 1 mo

ScalaFunctional ProgrammingSoftware DevelopmentDevOps

Jun 2022 – Mar 2023 · 9 mos

ScalaFunctional ProgrammingSoftware DevelopmentDevOps

Promoted

Aug 2020 – Jun 2022 · 1 yr 10 mos

Implementation of back-end part of the back office real-time reports, handling billions of records in the storage (Scala, Cats, Cats Effect, Doobie, Circe, Shapeless, ClickHouse, Microsoft SQL Server).
Performance improvements and optimizations for new and existing reports (ClickHouse).
Mentoring newcomers.
Leading 4-6 backend developers as a Lead Engineer.
Preparing materials, lecturing, and mentoring on the Evolution Scala Bootcamp.

ScalaCatsCats EffectDoobieCirceShapeless+2

Dec 2019 – Sep 2020 · 9 mos

Real-time analytical reporting tools that are available for external and internal Evolution users.
Responsibilities:
Implementation of back-end part of the back office real-time reports, handling billions of records in the storage (Scala, Cats, Cats Effect, Doobie, Circe, Shapeless, ClickHouse, Microsoft SQL Server).
Performance improvements and optimizations for new and existing reports (ClickHouse).
Being a temporary acting Product Owner. Communication with stakeholders, working on business requirements, and delivery of the financial reports.
Mentoring newcomers.

ScalaCatsCats EffectDoobieCirceShapeless+2

Aug 2018 – Dec 2019 · 1 yr 4 mos · Minsk, Belarus

Intermediate system for taking different types of contributions mostly oriented towards trade unions.
Responsibilities:
Implementation of back-end features, and automated tests (Scala, Akka, Akka Streams, Slick, Play Framework, PostgreSQL, Kafka).
Integration with external payment providers (Stripe, Square).
Environment setup with Amazon Web Services (Terraform, Ansible, Pritunl VPN, Teamcity, Upsource, Logstash, Kibana).

ScalaAkkaAkka StreamsSlickPlay FrameworkPostgreSQL+1

Apr 2014 – Jul 2018 · 4 yrs 3 mos · Minsk, Belarus

Mobile Point of Commerce system. Extensive scalable web application with Scala on the back-end and JavaScript with React on the front-end. It consists of a monolithic platform with a set of services.
The product was started as a startup and then acquired and merged with other companies to form Kibo.
Responsibilities:
Implementation of back-end and front-end features, and automated tests (Scala, Akka, Akka Persistence, Akka Cluster, Play Framework, Anorm, MySQL, Elasticsearch, PostgreSQL, Cassandra, Kafka).
Integration with external systems (Demandware, Shopatron, MarketLive).
Environment setup with Amazon Web Services (Chef, Capistrano, Ansible).

ScalaAkkaAkka PersistenceAkka ClusterPlay FrameworkAnorm+5