Are you a Prompt Engineer who’s just as comfortable shipping production-grade LLM pipelines as crafting the perfect prompt? Join us in building AI systems that don’t just sit in a notebook, but actively power teams across Malta and Europe.

We’re looking for someone with hands-on experience in:

Prompt design and optimisation – crafting, testing and iterating prompts for accuracy, consistency and cost-efficiency
Context engineering
Prompting techniques – Strategizing prompting techniques, and inventing on the fly when needed
Hands-on software development experience, preferably in Python or Java, with the ability to build internal tools, develop analysis pipelines and automation scripts, interpret system specifications and technical documentation.
Harness engineering and tooling
Evaluating and selecting foundation models for specific use cases
Establishing guardrails – content filtering, output validation, safety checks
Building evaluation pipelines – automated test suites and regression testing to catch prompt/model drift
Version-controlling prompts alongside code – prompt registries, CI/CD for prompt changes
Monitoring production LLM behaviour – latency, token costs, output quality, failure rates
Setting up A/B testing frameworks to compare prompt or model variants

Experience in the following areas will be considered an asset:

Collaborating closely with developers to integrate LLMs into applications
Agentic frameworks and orchestration tooling
Evaluating foundation models across multiple providers
CI/CD pipelines
Working in agile teams
Prior experience with fine tuning transformer-like models or local LLMs
Dataset creation, curation and augmentation

Why join us?

Work on meaningful AI projects with real-world impact
Hybrid work model
Be part of a collaborative, agile team environment
Opportunity to grow your skills and work with cutting-edge LLM technology
Culture that values quality, ownership and continuous learning

Melita Ltd.

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AI Prompt Engineer