IT Craft is looking for an experienced AI Developer with hands-on expertise in LLM evaluation and automated testing to join our team. In this role, you will take ownership of designing and implementing an evaluation framework for a deployed AI assistant running on AWS Bedrock, with infrastructure support from the internal DevOps team.
Key Responsibilities: * Design and implement automated end-to-end and regression testing infrastructure for an LLM-based assistant; * Build an evaluation harness that runs a structured set of prompt scenarios against the deployed service; * Implement automated checks for response correctness, tool usage, and guardrail behavior; * Generate clear pass/fail results based on agreed evaluation baselines; * Collaborate with the internal DevOps team to integrate evaluation runs into CI/CD processes and identify quality and behavior regressions before and after deployments; * Analyze evaluation results and continuously improve test coverage and reliability; * Plan and organize the implementation independently, define follow-up tasks, and coordinate with internal specialists through regular synchronization meetings.
Required Skills: * Hands-on experience with LLM evaluation tools such as Promptfoo, Langfuse, Arize, or comparable solutions; * Practical experience designing or implementing automated evaluation and regression testing for LLM-based applications; * Understanding of approaches used to evaluate non-deterministic LLM responses, tool calls, and guardrail behavior; * Solid experience with AWS and CI/CD; * Ability to design a solution from scratch and deliver it independently; * Familiarity with Kotlin and Spring would be a plus; * Strong written and spoken English (Upper-Intermediate+ / Advanced).
IT Craft offers: * Competitive compensation according to the qualifications; * Flexible working hours, remote work; * Opportunity for career growth; * Compensation for technical courses, educational resources, and sport; * In-house English training; * A friendly team of open-minded people.
