Senior Scala Engineer — Real-Time Betting Platform (Remote)

BETBY; Bellprat; Remote; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Comprehensive health insurance with…

Paid sick leave up to 10 days

20 days of paid vacation

Learning and growth opportunities

Language learning support

Modern hardware provided for your work

International team environment

Corporate events and team activities

Welfare support program for critical…

Gifts and support for major life…

Job summary

Betby is looking for an experienced Scala Engineer to join our Line management team. You will help build and maintain the platform that delivers betting odds to the sportsbook, working closely with multiple teams and services.

This high-impact role offers exposure to real-time streaming with WebSocket and GraphQL, migration from RabbitMQ to Kafka, and opportunities to shape architecture, testing practices, and release processes across a global, multi-country environment.

Qualifications

• Strong backend engineering experience (Senior or strong Middle+).
• Solid knowledge of Scala and its ecosystem (Effect libraries such as Cats Effect, ZIO, Kyo).
• Solid knowledge of streaming implementations in Scala (Reactive Streams, Akka, FS2, etc.).
• Experience building web services (REST APIs, GraphQL, WebSockets).
• Experience developing distributed systems and microservices (e.g. Kafka, RabbitMQ, RPC).
• Ability to work with complex system design and non-trivial business logic.

Responsibilities

• Develop and maintain Scala-based sportsbook services.
• Work on real-time sportsbook data delivery using WebSocket and GraphQL.
• Rework the current line delivery protocol and support the migration from RabbitMQ to Kafka.
• Improve streaming solutions to increase performance, scalability, and loading speed.
• Optimize sportsbook configuration processing across services.
• Work on Weblines, WebSocket/GraphQL lines, and other high-load sportsbook components.
• Contribute to architecture and technical decisions for streaming and line delivery systems.
• Refactor and improve existing services.
• Add and improve functional, integration, performance, and regression testing practices.
• Help make releases safer, faster, and more reliable.

Skills

Scala

Streaming

Web services

Distributed systems

REST APIs

GraphQL

WebSockets

Tools

Kafka

RabbitMQ

Akka

FS2

Cats Effect

ZIO

Job description

Betby is looking for an experienced Scala Engineer to join our Line management team. You will help build and maintain the platform that delivers betting odds to the sportsbook, working closely with multiple teams and services.

This high-impact role offers exposure to real-time streaming with WebSocket and GraphQL, migration from RabbitMQ to Kafka, and opportunities to shape architecture, testing practices, and release processes across a global, multi-country environment.