Remote Client-Facing AI Staff Engineer & Tech Lead

Rootstrap; Argentina; Remote; ARS 136,310,000 - 181,747,000; Full time

Benefits offered by this job

Rootstrap University

Learning Bonus

360 Feedback

Remote or offices in LATAM

Gym benefits

Counseling services

Lunch reimbursements

Job summary

Rootstrap is seeking an AI Staff Engineer to join our AI & Data Team. This hands-on, client-facing role combines software engineering with AI leadership to design and deploy AI-powered products for clients.

You will work directly with clients, participate in technical discoveries, and guide projects from early conversations to production deployment. You’ll contribute as a developer within client projects while providing technical guidance, solution design, and support during pre-sales

Qualifications

• 6+ years of software engineering experience.
• Experience building and deploying AI-powered applications.
• Hands-on experience with LLMs, RAG systems, agents, and modern AI frameworks.
• Strong Python and backend development skills.
• Experience building production-grade software and APIs.
• Experience with AWS, GCP, or Azure.
• Experience working directly with clients or stakeholders.
• Strong client management and communication skills.
• Ability to lead technical decisions while remaining hands-on.

Responsibilities

• Design and build AI-powered applications using LLMs, RAG, agents.
• Contribute code and provide technical leadership on client projects.
• Help clients understand options, tradeoffs, and opportunities.
• Participate in technical discoveries, solution design, and architecture discussions.
• Support pre-sales with technical validation, estimations, and recommendations.
• Guide engineering teams through complex technical challenges.
• Collaborate with Product, Design, and Engineering teams to deliver high-quality solutions.
• Share knowledge and mentor other engineers when needed.

Skills

Software engineering

AI-powered apps

LLMs & RAG

Python backend

Production APIs

Cloud platforms

Client-facing

Communication

Technical leadership

Product mindset

Job description

Rootstrap is seeking an AI Staff Engineer to join our AI & Data Team. This hands-on, client-facing role combines software engineering with AI leadership to design and deploy AI-powered products for clients.

You will work directly with clients, participate in technical discoveries, and guide projects from early conversations to production deployment. You’ll contribute as a developer within client projects while providing technical guidance, solution design, and support during pre-sales