Principal AI/ML Engineer
King Digital Entertainment AB15 days ago
Stockholm, SwedenStaff+
Responsibilities
- Influence technical direction across Candy Crush Saga in AI/ML and decisioning.
- Write production code, develop prototypes, and implement critical-path systems.
- Set standards for reliability, observability, maintainability, and production AI/ML quality.
- Mentor senior engineers and improve technical judgment, design quality, and collaboration.
- Lead shared architecture for AI/ML and automated decisioning systems used across multiple game components.
- Unify fragmented approaches into reusable, consistent, scalable technical foundations.
- Partner with product and game teams to develop reusable capabilities from high-value opportunities.
Requirements
- Deep experience building and shipping production AI/ML systems with meaningful business impact.
- Strong applied expertise in areas such as personalization and causal inference.
- A track record of connecting AI/ML methodology with production guardrails, constraints, and operational use.
- Proven ability to influence technical direction across teams and define shared patterns, technical standards, or architectural direction.
- Ability to lead senior-level technical discussions and communicate complex ideas to technical and non-technical audiences.
- Strong mentoring and cross-functional collaboration skills, including work with engineering, analytics, product, and platform teams.
- Strong judgment in translating business goals into scalable technical systems.
- Preferred experience with large-scale experimentation platforms, personalization systems, decisioning infrastructure, game technology, player-facing optimization, content adaptation, or shared ML foundations.
Benefits
- The role is available in Stockholm, Barcelona, and London.
Categories
About King Digital Entertainment AB
King Digital Entertainment AB builds free-to-play mobile games for a global consumer audience, best known for the Candy Crush franchise and Farm Heroes Saga, with over 200 million monthly players. Its business model centers on in-app purchases and advertising, supported by large-scale live operations. Founded in 2003 and headquartered in Stockholm, King is a subsidiary of Activision Blizzard, now part of Microsoft.