Applications Engineer Iii

October 17, 2026

Senior

Warsaw, Poland

Description

Full-time Mid-Senior role in Warsaw for a Game SDET responsible for the quality of gaming software as part of an integrated team with software and test engineers. The position combines day-to-day test automation, black-box and white-box testing with ownership of application security tooling. Typical tasks include designing test processes and tools, analyzing test execution results, and integrating AppSec controls into CI/CD pipelines.

Responsibilities

Work closely with software developers and test automation engineers to identify what needs to be tested in new or existing features
Design, document and implement complex processes, tools, and programs using modern programming languages and technologies
Test gaming software to ensure it meets customer, functional, regulatory and specification requirements
Monitor and communicate test execution results while consolidating, analyzing and debugging them
Research and develop software tools and automation to support test plans
Continuous build and auto-deployment research and development for gaming machines
Provide estimates for assigned work and guidance in estimation to other engineers
Investigate regulatory and field issues and defects
Perform ad hoc, black box and white box testing
Participate in application security program including tool selection, policy enforcement, developer engagement and risk reporting
Own integration of AppSec tooling into CI/CD pipelines to enable scalable developer-friendly security controls
Provide architectural guidance and secure design recommendations during development planning
Oversee deployment and tuning of tools for SAST, SCA, secrets management, IaC scanning and DAST
Partner with product teams to embed secure coding practices, review threat models and triage high-impact vulnerabilities
Collaborate with GRC and compliance teams to ensure alignment with OWASP and FedRAMP standards
Mentor and support other AppSec engineers and champion a security-first development culture
Evaluate IAST and runtime protections as part of continuous improvement efforts
Develop KPIs to measure security posture and tooling efficacy

Requirements

Bachelors of Science degree in Engineering or Computer Science required or equivalent
3 to 6 years of experience in software engineering product assurance
Programming background in C#, C/C++, VB, Java, SQL, XML, NUnit, JUnit and/or .NET for test frameworks, scripts and automated test tools
Knowledge of software test tools and applications
Understanding of QA processes and methodologies
Experience with real-time embedded microprocessor systems is a plus
Good written and verbal communication skills, self-motivated and able to work well in a team environment
Must be at least 21 years of age
Extensive casino game development and testing experience preferred
Database and metrics experience preferred
Strong project management skills preferred