Position Summary
Light & Wonder is the global leader in cross-platform games and entertainment. The company brings together 5,000 employees from six continents to connect content between land-based and digital channels with unmatched technology and distribution. Guided by a culture that values daring teamwork and creativity, Light & Wonder builds new worlds of play, developing game experiences loved by players around the globe. The company’s Infinity platform powers the largest digital-gaming network in the industry. Light & Wonder is committed to the highest standards of integrity, from promoting player responsibility to implementing sustainable practices.
We are seeking a highly experienced Senior Software Engineer to lead the technical internalisation of our Remote Gaming Server (RGS).
Responsibilities
- Gaining deep technical ownership of the existing system.
- Leading knowledge transfer from the external vendor.
- Assessing architectural risks and technical debt.
- Establishing internal engineering standards and practices.
- Laying the foundation for a future RGS team.
- 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: Identify and implement performance improvements in database access, caching, serialisation, and other critical code paths.
- Drive modernisation: Plan and execute incremental upgrades to language versions, dependencies, and tooling without disrupting production or compliance sensitive areas.
- Guard correctness and compliance: Ensure game logic, wallet flows, and RNG usage remain correct, consistent, and auditable where required.
- Collaborate across teams: Work with product, DevOps, and engineers to support releases, prioritise work, and contribute to the long term technical roadmap.
- Small deliveries: Provide small deliveries driven by jurisdictional rules.
Qualifications
Python
- Strong professional experience with Python (recent 3.x versions)
- Comfortable working in large, long‑lived codebases
- Experience with object‑oriented design, classes, and mixins
Web / API Development
- Experience with a Python web framework such as Pyramid, Django, Flask, or similar
- Building and maintaining REST or GraphQL APIs
Databases
- Strong SQL skills and experience with PostgreSQL
- Schema design, query optimisation, and indexing
- Experience with database migration tooling (e.g. Alembic)
ORMs
- Experience using SQLAlchemy or similar ORM frameworks
- Ability to work with both ORM abstractions and raw SQL when required
Redis
- Experience using Redis for caching or session/state management in backend systems
GraphQL
- Practical experience designing and working with GraphQL APIs
- Familiarity with schemas, queries, and mutations
State Machines
- Ability to read, reason about, and maintain explicit state machines (e.g. gameplay or session lifecycle)
Testing
- Writing and maintaining automated tests (e.g. pytest)
- Experience with integration tests and test fixtures
DevOps & Tooling
- Experience working with Docker
- Familiarity with CI/CD pipelines
- Modern Python packaging and dependency management experience (e.g. uv, pip-tools, poetry or similar)
Documentation
- Ability to work with and improve technical documentation (e.g. Sphinx or similar tooling)
Additional Information
Why would you enjoy working with us at Light & Wonder?
- Competitive benefits, an open and supportive environment as well as a modern and exciting workplace.
- The opportunity to interact with global teams on a regular basis and the possibility to switch teams and projects as you and our business continues to develop and grow.
- Exciting projects with opportunities for creating positive change to our game engineering ecosystem.
And if that is not enough; you will get to enjoy a stunning work location and flexible working whilst we provide you with the guidance and development skills you need to progress quickl and enhance your career.
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