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Área Metropolitana de San José, Costa Rica
Remote only
Job Title: Senior QA & Evaluation Engineer
Key Skills: Test Automation, .NET, API Testing, CI/CD, Automated Testing, LLM Evaluation, AI Testing, Test Frameworks
Experience: 4+ years of experience.
Location: Costa Rica, Peru, Colombia, Bolivia.
Mode: Remote.
We at Coforge are hiring Mid-Senior QA & Evaluation Engineer (N-5) with the following skill set.
Key Responsibilities
· Design and maintain automated test suites covering unit, integration, API, and end-to-end testing.
· Integrate automated testing into CI/CD pipelines and establish automated suites as release quality gates.
· Build evaluation frameworks for AI capabilities, including scored rubrics, LLM-as-a-judge approaches, and normalized pass thresholds.
· Build and maintain held-out evaluation datasets, measure AI behavior against ground truth, and report defect escape and evaluation results as part of delivery metrics.
Required Skills & Qualifications
· 4+ years of experience in Quality Engineering with a strong focus on test automation.
· Hands-on experience with automated testing frameworks, preferably within the .NET ecosystem.
· Strong experience with API testing and automated test development.
· Experience integrating automated test suites into CI/CD pipelines.
· Understanding of testing strategies for non-deterministic and probabilistic AI systems.
· Ability to design evaluation approaches based on scored thresholds rather than exact-match assertions.
· Experience working with test data, ground truth datasets, and automated validation.
· Strong analytical and problem-solving skills.
· Strong working proficiency in English.
· Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent professional experience.
Preferred Skills:
· Direct experience with LLM evaluation, including rubric design, LLM-as-a-judge, golden/held-out datasets, or tools such as Azure AI Foundry Evaluators, promptfoo, Ragas, or DeepEval.
· Experience testing information extraction or classification pipelines using accuracy-based measurements.
· Experience with regulated-industry QA environments where test evidence and results must support formal review.
· Familiarity with AI/ML testing methodologies and evaluation frameworks.
Posted On: 24-09-2026
At Coforge, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.
