Senior Scala Engineer - Real-Time, High-Impact

Caesars Entertainment; Kraków; On-site; PLN 240,000 - 360,000; Full time

Job summary

Caesars Digital in Kraków is seeking a Senior Scala Engineer to join a cross-functional team, mentor others, and drive technical excellence in a Scrum environment. You will write code, shape architecture, and ensure production readiness of owned services.

You will collaborate with Solutions Architects, Product, and DevOps to deliver high-quality, scalable real-time systems using Scala, Zio, Cats Effect, AWS, Kafka, and modern observability tools.

Qualifications

• 5+ years of progressive experience as a software engineer, preferably with real-time or high-growth systems such as betting or transactional platforms.
• Strong expertise in Scala and related frameworks (Zio, Cats Effect).
• Experience building high-throughput, real-time APIs and cloud-native architectures (AWS).
• Familiarity with messaging platforms like Kafka and observability tools.

Responsibilities

• Directly contribute to the team by writing and reviewing impactful Scala code and deploying with Kubernetes and GitLab.
• Develop and maintain best practices to drive quality and operational excellence.
• Ensure effective code reviews and address technical debt alongside product development.
• Collaborate with Solutions Architects to review architectural documentation before engagement.
• Advocate for time to address technical issues alongside product development.
• Collaborate with Product in planning, sizing work and identifying risks.

Skills

Scala

Kubernetes

Code reviews

Agile/Scrum

Distributed systems

GIT/GitLab

AWS

Kafka

Observability

Tools

GitLab

AWS

Kafka

Zio

Cats Effect

Job description

Caesars Digital in Kraków is seeking a Senior Scala Engineer to join a cross-functional team, mentor others, and drive technical excellence in a Scrum environment. You will write code, shape architecture, and ensure production readiness of owned services.

You will collaborate with Solutions Architects, Product, and DevOps to deliver high-quality, scalable real-time systems using Scala, Zio, Cats Effect, AWS, Kafka, and modern observability tools.