Role Description

Cultured Supply is hiring a junior software engineer to work closely with our lead engineer, designing and implementing feedback loops and revision mechanisms for our platform, Mission Control, and its AI‑powered workflows.

This is a generalist software engineering role with an emphasis on product quality, manual and automated testing, and AI evaluation. You’ll test complete product workflows, investigate unexpected behavior, create reproducible test cases, and help build the systems we use to evaluate quality over time.

Your work will span exploratory product testing, data-quality checks, evaluations for LLM-powered features, etc. You’ll help us determine not only whether the software technically works, but whether its outputs are accurate, useful, consistent, and aligned with the intended user experience.

Although the role emphasizes QA and evaluation, it isn’t limited to manual testing. You’ll write code, build internal testing and evaluation tools, contribute to product features, and work across the Mission Control stack, including the frontend, APIs,



databases, integrations, and AI-powered systems.

This position is intended for someone who is approaching university graduation or graduated within the past two years. We’re looking for an early-career engineer who has built meaningful projects, enjoys understanding how software and AI systems behave, and wants to grow quickly inside a small, ambitious team.

We don’t expect you to arrive with experience in every testing or evaluation framework. We do expect curiosity, attention to detail, strong technical fundamentals, and the persistence to investigate problems thoroughly.

Employment: Full-time
Location: In person at our office in San Jerónimo, Monterrey. Being located in Monterrey, Mexico, is required.
Language: Spanish and highly proficient or fluent English.

If you’re still completing your degree, you must be available to join us during working hours.

Responsibilities

• Test Mission C

📌 Junior Software Engineer — Product QA (Monterrey)
🏢 Cultured Supply
📍 Monterrey