At Lumenalta, we create impactful software solutions that drive innovation and transform businesses. Since 2000, we’ve partnered with visionary leaders to build cutting-edge tech, solve complex challenges, and deliver results faster through our elite teams and tech-driven approach. Join us in shaping the future of technology.

We are seeking a Senior AI Fullstack Engineer proficient in JavaScript and TypeScript who thrives on solving AI challenges across the entire stack. This role is idóneo for a developer who excels in both frontend and backend development and enjoys building with AI-assisted tools. You will combine strong software engineering fundamentals with deep experience in AI harness design, prompt engineering, evaluation rubrics, and HIPAA-compliant data architecture.

What You’ll Be Doing
Collaborate with visionary enterprise clients
Full-stack Expertise: Write clean, secure, and testable TypeScript code across the software ecosystem.
Architecture & Design: Develop modular patterns, scalable system architectures, and efficient server- and client-side logic.




API Integration: Design, build, and maintain robust RESTful, GraphQL, and WebSocket APIs
Extend and implement AI workflows and harnesses using TypeScript and following AI and software engineering best practices; you'll be in charge of Harness Infrastructure, Prompt Engineering, Debugging, and Evaluations.
Healthcare and compliance: design privacy-first AI pipelines and prompt/responses filters that adhere to HIPAA guidelines, securing Protected Health Information (PHI).
Create transformative digital products
Tackle complex challenges at scale
Push boundaries with emerging technologies

What we are looking for
7+ years of expertise in JavaScript, TypeScript, Node, Express, Mongo, SQL, AWS.
Solid understanding of HIPAA compliance requirements, zero-retention API configs, data anonymization, and encrypted data handling.
Recent demonstrable hands-on experience building with AI tools, prompt debugging tools,

📌 Senior AI Fullstack Software Engineer (Colombia)
🏢 Lumenalta
📍 Colombia