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