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.