Senior Build & Infrastructure Engineer (Unity + AWS) - Xsolla
View Company Profile- Job Title
- Senior Build & Infrastructure Engineer (Unity + AWS)
- Job Location
- Serbia
- Job Description
- OverviewWe are seeking a Senior Build & Infrastructure Engineer to own and evolve the Unity build pipeline and cross-platform deployment infrastructure across multiple live and in-development titles. This role will focus on creating stable, scalable, and automated deployment systems for WebGL, Windows, and cloud-hosted environments using AWS.Responsibilities
- Maintain and improve the Unity CI/CD pipeline for automated cross-platform builds (WebGL, Windows)
- Manage cloud-based hosting for client builds using Amazon S3 and CDN delivery systems
- Build and deploy containerized services for backend environments using ECS or equivalent
- Implement multi-tenant build versioning and deployment workflows
- Optimize and maintain Unity AssetBundle pipeline for speed and flexibility
- Secure infrastructure credentials and manage cleanup of legacy artifacts and outdated configurations
- Create and maintain isolated QA, staging, and production environments
- Document and automate common infrastructure tasks to ensure repeatable, reliable build delivery
Requirements- Expert-level Unity experience, including automated builds, Asset Bundles, and WebGL exports
- Strong CI/CD background with Unity build automation (TeamCity, Jenkins, GitHub Actions, or similar)
- Deep understanding of AWS services, including S3, CloudFront, ECS, AMIs, IAM
- Familiarity with infrastructure-as-code tools such as CDK, CloudFormation, or Terraform
- Skilled in scripting and automation (e.g., Bash, PowerShell, Python)
- Ability to debug complex deployment flows and build errors across platforms
- Experience supporting Steam or launcher-based deployments is a plus
- Bonus: Understanding of multi-project engine infrastructure and backporting workflows
Soft Skills- Able to work independently and prioritize long-term infrastructure needs alongside short-term delivery
- Clear communicator with cross-disciplinary teams (engineering, QA, production)
- Comfortable working with legacy systems and modernizing incrementally
- Detail-oriented with a focus on stability, automation, and scalability
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Xsolla Company Size
Between 500 - 1,000 employees
Xsolla Founded Year
2005