Senior Agentic AI Engineer (Fullstack)
Senior Fullstack AI Engineer needed to design and ship end-to-end AI tools, agents, and workflows, own projects from idea to production in a collaborative, growth-minded team.
Description
Working Hours: Overlap with PST
About the Role: We are looking for a Senior Fullstack AI Engineer to join our Agentic AI team. You'll help build our AI capabilities from the ground up, designing and shipping tools, services, and intelligent agents that power AI experiences across our entire product ecosystem.
What You'll Do
Build and ship full-stack AI applications: Create frontend experiences and backend systems that power real AI capabilities, iterating based on performance and user feedback
Own the full lifecycle: Take projects from idea through production deployment, ensuring quality, reliability, and scalability
Build foundational infrastructure: Develop search/retrieval services, tool execution layers (MCP servers), workflows, and intelligent agents
Establish measurement systems: Create feedback loops and performance tracking to continuously improve AI system behavior
Solve complex problems: Debug issues across the stack, identify root causes, and implement robust solutions
What We're Looking For
Foundation (Required):
5+ years shipping production code (frontend and backend)
Strong programming fundamentals: We’ll primarily use JavaScript, Python and PHP, but value problem-solving skills over specific language expertise
Backend development experience: Building workflows, APIs, state management, and async systems
Database knowledge: Working with both SQL and NoSQL databases
Frontend skills: Building responsive interfaces with modern frameworks (React, Vue, Angular, Svelte, etc.)
Experience applying AI/ML in production: You've worked with LLMs or ML models in real applications, not just tutorials
Working Style:
Ownership mindset: You identify problems, take initiative, and see things through
Pragmatic and adaptable: You choose the right tool for the job and aren't afraid to learn new technologies
Systematic problem-solver: You can debug complex systems and think through tradeoffs
Good to Have:
Knowledge of AI evaluation, error analysis, and building feedback loops
Experience with agentic frameworks (LangGraph, Google ADK) or Model Context Protocol (MCP)
Background in information retrieval or search systems
- Locations
- LATAM
- Remote status
- Fully Remote
About Tight Line
Tight Line represents the perfect synergy of expertise and ambition. Born from the merger of Rapid River (est. 2013) and Cactus Code (est. 2016). Our mission is simple yet bold: to attract the brightest minds in software development and empower them with meaningful, cutting-edge projects for clients across the globe.