Senior Software Engineer - RGS Platform Lead (iGaming)

Light & Wonder; Chiswick; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Stunning work location

Flexible working

Career development support

Job summary

Light & Wonder in the United Kingdom is seeking a Senior Software Engineer to lead the technical internalisation of the Remote Gaming Server (RGS). You will own the codebase, drive architectural decisions, and collaborate with product, DevOps, and other engineers to deliver scalable game backend systems.

The role focuses on high‑quality backend services, API design, and investment in modernisation while ensuring compliance and reliability in a global iGaming ecosystem.

Qualifications

• Strong professional experience with Python (recent 3.x versions).
• Comfortable working in large, long‑lived codebases.
• Experience with object‑oriented design, classes, and mixins.

Responsibilities

• Own the codebase: act as the primary technical owner of the RGS application and the go-to engineer for design, stability, and technical direction.
• Understand the system end to end: gain deep understanding of the flow from API through state machine, game engine execution, wallet calls, and data persistence.
• Maintain the platform: diagnose and fix bugs, update dependencies, manage technical debt, and keep tests and documentation up to date.
• Improve efficiency: implement performance improvements in database access, caching, serialization, and other critical paths.
• Drive modernisation: plan and execute upgrades to language versions, dependencies, and tooling without disruption.

Skills

Python

Web/API Development

Databases

ORMs

Redis

GraphQL

State Machines

Testing

DevOps & Tooling

Documentation

Tools

Docker

CI/CD pipelines

uv

pip-tools

poetry

Job description

Light & Wonder in the United Kingdom is seeking a Senior Software Engineer to lead the technical internalisation of the Remote Gaming Server (RGS). You will own the codebase, drive architectural decisions, and collaborate with product, DevOps, and other engineers to deliver scalable game backend systems.

The role focuses on high‑quality backend services, API design, and investment in modernisation while ensuring compliance and reliability in a global iGaming ecosystem.