DescriptionAbout ScalepexScalepex is a nearshore partner that empowers businesses to scale efficiently and effectively through exceptional services.
With a strong focus on customer success, innovation, and cultural alignment, we support companies in building high-performing teams across industries.At Scalepex, we believe in fostering an environment where our people can thrive, grow their careers, and make a real impact.Role OverviewWhat You'll DoStart by building foundational AI capabilities and products, with opportunities to grow into leading teams and larger initiatives as they scaleLead the design and development of end-to-end AI applications — from prototype to productionWork closely with founders, clients, and other engineers to shape both technical and product directionBuild and deploy LLM-based systems, including RAG pipelines, fine-tuned models, and embedding searchOwn delivery of real-world solutions: architect, implement, test, shipIterate rapidly: explore new tools, try new ideas,



and solve problems creativelyOperate with autonomy in a fast-changing environment — sometimes as the only engineer on a projectOccasionally dive into adjacent areas like frontend, dev tooling, or data pipelines as neededRequirementsMust-Have SkillsStrong experience with modern AI techniques — LLMs, prompting, fine-tuning, RAG, vector databasesStrong Python engineering background, with clean, modular coding practicesComfortable building systems in a solo or small-team setting with limited structureFamiliarity with cloud deployment (AWS/GCP), Docker, and production ML pipelinesAble to balance product thinking and engineering disciplineStartup mentality: comfortable with ambiguity, fast iteration, and wearing many hatsExcellent communication skills — able to work directly with clients and non-technical stakeholdersBonus SkillsExperience in Conversational AI and Voice AI systemsKnowledge of ML frameworks (PyTorch, scikit-learn, etc.)Exposure to frontend (JS/React) or dev tooling is a plusMLOps / CI/CD familiarityBenefitsContractor scheme100% Remote

📌 Ai Engineers - Remote - Only Mexico (León)
🏢 Scalepex
📍 León