Prompt Engineer (LLM Systems, Evals & Safety)

Do you want to love what you do at work? Do you want to make a difference, an impact, and transform peoples lives? Do you want to work with a team that believes in disrupting the normal, boring, and average? If yes, then this is the job you are looking for , webook.com is Saudi’s #1 event ticketing and experience booking platform in terms of technology, features, agility, revenue serving some of the largest mega events in the Kingdom surpassing over 2 billion in sales. Role Overview Design high-quality prompts, system instructions, and tooling that make our LLM features accurate, safe, and cost-effective. You’ll own evaluation, prompt versioning, and continuous improvement. Key Responsibilities: - Author, refactor, and chain prompts (system/tool/policy) for varied tasks. - Create offline/online evaluation harnesses (rubrics, golden sets, metrics). - Build prompt libraries with versioning, A/B testing, and telemetry. - Reduce hallucinations via verification, constrained decoding, and tool use. - Implement safety: jailbreak/prompt-injection tests, content policy checks, PII handling. - Partner with engineers to integrate prompts into production features. Requirements - Demonstrated prompt design across multiple task types and models. - Experience building eval datasets and automated scoring (e.g., accuracy, faithfulness, utility, cost/latency). - Familiarity with retrieval-augmented generation concepts and tool/function calling. - Strong scripting (Python/TypeScript) for data prep, evals, and analysis. - Clear writing; ability to translate business goals into measurable prompt specs. Nice-to-Haves - Experience with LangChain/LLM orchestration, vector stores, and rerankers. - Knowledge of safety tooling and red-teaming techniques. - Experiment platforms (feature flags, A/B tests), analytics.

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