Senior AI Fullstack Software Engineer

Lumenalta creates impactful software solutions that drive innovation and transform businesses. The company is seeking a Senior AI Fullstack Software Engineer to build AI-enabled applications across the frontend and backend, including scalable architectures, APIs, AI workflows, prompt engineering, evaluations, and HIPAA-compliant data pipelines.

Responsibilities:

• 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

Requirements:

• 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, custom AI harnesses, and agentic coding workflows
• Proficient in written and verbal communication in English
• Demonstrable experience working in a remote environment, with a proactive and team-oriented approach
• This is a fully remote position; however, candidates must be based in regions that align with the Pacific, Central, or Eastern U.S. time zones to ensure effective collaboration with client and team schedules