Scala Developer (HRZN) (offline)

PROJECT DESCRIPTION:
Highload platform project — a reactive system, delivering high performance, distributed and resilient solutions to our operator clients around the world.This is B2B service, which successfully is working and developing during last 4 years.

REQUIREMENTS:
• Reactive microservice architecture using Apache Kafka used as Event Storage, more then 100 different microservices using in production.
• Real time communication between services gRPC.
• Main microservices development stack Scala/Akka: Akka Actor, Akka Typed, Akka Cluster, Akka Persistence, Akka Streams, Alpakka Kafka, Akka gRPC, Akka HTTP, Tapir, Circe, Cats, Slick, Elastic4s
• Testing: scalatest, scalacheck, mockito-scala, gatling, testcontainers-scala
• Data warehouses: PostgreSQL, Elasticsearch, Clickhouse

ALSO:
Technologies and tools we are using at the moment:
• Scala, Java, Groovy
• KAFKA, Avro, Zookeeper
• ElasticSearch, PostgreSQL, MariaDB
• Akka, Akka Persistence, Akka Clustering
• Cats, ZIO, Http4s, Magnolia
• GIT, Docker Swarm/Kubernetes, Jenkins, ELK, Zabbix, Terraform, VMWare
• Nightwatch, Spock, ScalaTest
• Agile, Scrum, Extreme programming

WILL BE A PLUS:
• DevOps experience: Python and BASH scripting, Experience in troubleshooting production problems, analyzing logs, improving analyzing performance
• Willingness to write unit, integration and acceptance tests
• Understanding of best practices in scalable server-side architecture
• Experience with Event Sourcing and CQRS.
• Knowledge of UML and PlantUML
• ZIO, Cats Effects, FS2, Monocle, Magnolia, Http4s, Jackson.

RESPONSIBILITIES:
• Take an active part in the ongoing processes and product development of the company;
• Responsible for producing a high-quality deliverable solution in a timely fashion;
• Ready to be responsible to resolve the technically complex and challenging tasks;
• Use continuous integration and continuous delivery practices for increasing productivity of work;
• Troubleshooting production problems, analyzing logs, improving analyzing performance;
• Have a strong Scala knowledge as the main programming language for building high quality services;

WE OFFER:
• Competitive compensation depending on experience and skills
• Long-term employment
• Career growth opportunities
• Compensation for sick lists and regular vacations
• English classes with a native speaker
• Health insurance
• Free lunches

About RQ Team

RQ Team - recruiting company, specialized in high-quality selection of relevant IT specialists in teams of Ukrainian and foreign companies. Was created, due to the continuous growth of Ukrainian and foreign companies.

Company website:
https://rqteam.io