Who We Are \& Role Overview At Keenfolks, we’re redefining marketing in the age of AI. We combine technology, data, and creativity to build high\-impact AI\-enabled solutions for global brands. We’re looking for a hands\-on Tech Lead of Development with strong cloud, data, and AI foundations to lead the design and delivery of scalable software platforms. This role is ideal for someone with \~8 years of experience who enjoys building systems, making pragmatic technical decisions, and leading by example in fast\-moving, evolving environments. * Role Responsibilities Technical \& Architecture Leadership (\~40%) * Design scalable and secure cloud architectures on AWS and/or Azure. * Act as the technical reference for internal teams and client stakeholders, ensuring clear and effective communication. * Balance MVP speed with long\-term scalability. * Own and evolve backend, cloud, and data architecture foundations. * Evaluate build vs. buy decisions for data and AI components. * Contribute to technical roadmaps. * Ensure baseline security, privacy, and compliance best practices across systems. Hands\-on Development \& Delivery (\~40%) * Develop backend services and data pipelines using Python and Node.js. * Build and maintain APIs (REST; GraphQL is a plus). * Lead data ingestion and transformation pipelines. * Integrate LLMs, RAG pipelines, and ML services. * Maintain CI/CD pipelines and IaC. * Participate in code reviews and critical implementations. This is a hands\-on role — regular coding in production systems is expected. Team Leadership \& Engineering Culture (\~20%) * Mentor developers and data engineers. * Promote best practices in code quality and testing. * Scale processes pragmatically without over\-engineering. * Foster a collaborative engineering culture. Role Requirements * \\\~8 years of backend, data, or platform engineering experience. * Strong production experience with Python and/or Node.js. * Solid AWS and/or Azure experience. * Experience with data pipelines and backend systems. * CI/CD and cloud\-native development experience. * Fluent and articulate English communication (spoken and written). * Ability to translate business needs into technical solutions. Data \& AI Foundations * Familiarity with OpenAI, Azure OpenAI, or Anthropic. * Exposure to RAG architectures (FAISS, Weaviate, Qdrant). * Understanding of ML/NLP fundamentals. * Pragmatic approach to using AI in production environments. * Familiarity with data pipelines (Airbyte, dbt, custom pipelines). What We Offer * Competitive salary in Mexico. * International AI and data projects. * High autonomy and ownership. * Learning\-focused culture. * Hybrid work model. * Free lunch, snacks, coffee. * Free Friday afternoons. * 23 vacation days \+ 2 personal days. * Birthday day off * Health Insurance Culture extract * We value people who build, take ownership, and learn continuously. * Are comfortable in imperfect, evolving environments. * Think critically, communicate clearly, and balance tactical execution with strategic thinking. Keenfolks is an equal opportunity employer committed to building a diverse and inclusive workforce. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other legally protected characteristics. All employment decisions are based on qualifications, merit, and business needs.