AI Platform/ Model Developer at Mars leveraging AI to enhance North America Supply Chain efficiency and resilience. Collaborating with various teams to design and implement scalable AI capabilities.
About the role
- AI Engineer developing AI powered features for customer experiences. Collaborating on design, engineering, and integration of large language models in scalable systems.
Responsibilities
- AI Feature Design & Delivery – Design, build and run AI powered features using large language models.
- LLM Integration & System Architecture – Integrate LLMs into existing applications and services.
- Prompt Engineering & Model Optimisation – Develop, test and refine prompt strategies to improve model accuracy.
- Hands-On Engineering – Build and maintain backend services and APIs using TypeScript and modern frameworks.
- Cross-Functional Collaboration – Work closely with product, data and design partners.
- Evaluation & Monitoring – Define and implement evaluation approaches for LLM based systems.
- Scalable AI Patterns – Contribute to shared approaches, architectural patterns and standards for building AI driven features.
- Risk, Privacy & Cost Awareness – Make informed engineering decisions that consider data privacy and model risk.
- Continuous Learning & Innovation – Stay current with emerging AI technologies.
Requirements
- A strong foundation in software engineering, with hands-on experience building, shipping and operating scalable, production-grade systems.
- Proven experience working with modern JavaScript and TypeScript stacks, including Node.js.
- Practical experience integrating large language models into real applications, using APIs such as OpenAI, Anthropic or similar.
- Confidence designing and working with APIs and backend services.
- Familiarity with cloud-native environments and production tooling, including containerisation, monitoring and deployment practices, ideally within AWS-based ecosystems.
- Experience working with data stores such as PostgreSQL, MongoDB and or vector databases.
- The ability to reason about cost, latency, privacy and risk when designing AI powered systems.
- Strong problem solving skills and attention to detail.
- The ability to communicate complex technical concepts clearly and simply to a range of audiences.
- Curiosity and adaptability.
Benefits
- Flexible working arrangements
Job title
Job type
Experience level
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Not specified
Degree requirement
Tech skills
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