Tripledot Studios
Senior Machine Learning Engineer
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Who Are We?
Tripledot Studios is one of the largest independent mobile games companies in the world.
We are a multi-award-winning organisation, with a global 2,500+ strong team across 12 studios.
Our expanded portfolio includes some of the biggest titles in mobile gaming, collectively reaching top chart positions around the world and engaging over 25 million daily active users.
Tripledot’s guiding principle is that when people love what they do, what they do will be loved by others. We’re building a company we’re proud of — one filled with driven, incredibly smart and detail-orientated people who LOVE making games.
Our ambition is to be the most successful games company in the world, and we’re just getting started.
The Role
This position is within our AI group.
About the AI Group
The AI group serves as a central function that collaborates with other groups like marketing, game solutions, and individual Tripledot studios. You’ll work closely with data engineers, ML engineers, analysts, and product owners.
Role Overview
You’ll interact with data, engineering, and product teams across multiple studios and other central teams. Your contributions will directly impact key gaming metrics like:
- Player retention
- Revenue generation
- Player experience improvements
- Enhanced company efficiency
- Faster time to market for games and features
Progression opportunities exist both within the AI group and into studio roles.
Key Responsibilities
- Implement state-of-the-art AI/ML algorithms for personalisation while tracking industry advancements to determine what works best for our products.
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Design experiments and prototypes to test the viability and efficacy of new AI/ML models.
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Translate theoretical research into practical implementations by creating and refining algorithms in our internal codebase.
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Convert working prototypes into production-ready code—ensuring scalability, consistency, and easy deployment through our ML Lifecycle pipeline.
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Develop, design, and analyse A/B testing methodologies to evaluate the effectiveness of personalisation strategies and optimise player experiences.
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Continuously monitor and analyse player data, identifying opportunities for deeper personalisation and refining existing algorithms.
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Clearly document all work, fostering knowledge sharing across teams.
What We’re Looking for
Core Qualifications
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A Bachelor’s degree or higher in a quantitative field (e.g., computer science, mathematics, statistics) or equivalent relevant experience.
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Strong grasp of enterprise-level ML techniques, covering:
- Classification
- Regression
- Reinforcement learning
- Generative methods
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Real-world machine learning problem-solving experience.
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Proficiency with modern engineering practices:
- CI/CD pipelines
- Version control
- Containers (Docker, Kubernetes)
- MLOps best practices
- Deploying ML models to production environments
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Excel in analytical programming and data visualisation:
- SQL
- Python
- Matplotlib / other visualisation libraries
- Supportive tools (Git, MLflow, Kubernetes, Kubeflow, Trino, Airflow)
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Statistical expertise, including:
- Hypothesis testing
- Sampling techniques
- Probability distributions
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Strong ability to bridge technical and non-technical stakeholders with clarity and collaboration.
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Experience using generative AI copilots/agents in daily coding workflows.
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Passion for mobile gaming and a strong motivation to improve business outcomes through player engagement strategies.
Bonus Points
- Advanced/niche ML techniques (e.g., reinforcement learning).
- Experience with A/B testing in gaming.
- Relevant experience within the games industry.
Working at Tripledot
Holidays
- 25 days paid holidays (plus all UK bank holidays).
Hybrid & Remote Working
- 20 days fully remote each year — work from anywhere.
Culture & Events
Regular company gatherings celebrating successes and cultural milestones, including:
- Thames River Cruise
- London Dungeon visits
- Regent’s Park Summer Parties
Professional Development
- Lifelong learning opportunities to advance your career.
Employee Benefits
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Private medical cover for your health and well-being.
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Life Assurance & Critical Illness Cover to support you and your loved ones.
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Health Cash Plan for hassle-free medical expenses.
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Comprehensive dental coverage.
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Family forming/fertility support program (subject to policy).
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Employee Assistance Program — confidential, 24/7 support for any challenges.
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Cycle-to-Work Scheme for a healthier commute.
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Contributory pension plan enabling long-term financial security.
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