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Senior Software Engineer

Backend Full-time Permanent Krakow, Poland

Job details

Not specified Salary
Krakow, Poland Eligibility
Senior Experience
Full-time Employment

About this role

Role overview

A senior engineering role within a large online gaming organisation, contributing to the platforms behind sports betting and casino products used by a global customer base. The position focuses on designing scalable architectures and shipping robust web services across multiple platforms within a fast-paced, growth-oriented engineering culture.

Responsibilities

- Partner with stakeholders to translate user requirements into clear technical design documents. - Design scalable software architectures that cover application, hardware and communication layers. - Build high-level system diagrams and develop moderate-to-complex web applications across several platforms. - Design, build, test and maintain applications, websites, data processes and user interfaces. - Strengthen code quality and delivery through CI/CD pipelines, code reviews and engineering best-practice adoption. - Align with project management on technical direction and delivery timelines.

Requirements

- Strong proficiency with .NET 8+ for Web APIs and Worker Services, plus C# 8 and above. - Hands-on experience with Elasticsearch and solid working knowledge of MS SQL Server, Entity Framework Core and Dapper. - Familiarity with message queuing systems such as RabbitMQ, Kafka or Azure Service Bus. - Proficiency with Azure DevOps (Repos, Pipelines, Releases) and at least one modern frontend framework (Angular, React or Vue). - Experience with distributed or in-memory caching (e.g. Redis) and microservices architectures. - Solid grasp of unit testing practices and frameworks, plus adaptability in fast-moving environments.

Nice to have

- In-depth knowledge of sports betting markets, odds calculation and player behaviour. - Prior experience in online gaming or casino, including familiarity with gambling regulations across multiple jurisdictions.

Benefits and work setup

- Learning and development programmes for skills growth. - A performance feedback tool supporting career progression. - Employee Assistance Programme for staff and dependants.

Skills detected in the listing

ReactVueAngularC#SQLStakeholder ManagementAzure
Detected Sep 9, 2026
Last verified Sep 9, 2026

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