Ai/Llm Engineer — Python, Langchain, Rag, Aws Lambda (Campana)

LocationRemote, Argentina# AI/LLM Engineer — Python, LangChain, RAG, AWS Lambda at OneSeven TechLocationRemote, ArgentinaSalary$****
- $**** /monthJob TypeFull-timeDate PostedFebruary 4th, ****Apply Now## **Project Brief**We're building AI-powered products, primarily leveraging off-the-shelf LLM APIs, while also partnering with our Applied Science teams to integrate custom models when needed. You'll own end-to-end development of AI features — from prototyping to production — focused on reliability, accuracy, and scalable delivery. ## **Must-Haves**## **Nice to Have**## **What You Will Do*** Plan and develop applications that include custom AI components — orchestration, evaluation, tooling, and integrations* Build intelligent agents using LLMs and the MCP framework to enable context-aware automation and decision-making* Automate internal workflows and operational processes using Python and AWS Lambda* Develop and improve RAG-based chatbots to increase response accuracy, grounding, and consistency* Collaborate with Applied Science teams to productionize custom models and connect them with product systems* Design and maintain multi-agent AI pipelines, including fallback and graceful degradation strategies for reliability## **Why You'll Want This Role*** **First engineering hire** — Shape the technical foundation of a rapidly growing product. Your decisions set the standard.
* **Massive market opportunity** — Tech debt affects $3 trillion globally, with 41% created by AI. You'll be building the tools that solve it.
* **Real impact** — Help companies save millions in development costs through cutting-edge AI/ML solutions.
* **Direct path to technical leadership** — This is a ground-floor opportunity with clear growth into a senior or lead engineering role. ## **Benefits & Compensation*** **$2,000 – $4,500/month** — paid in USD, bi-weekly via Deel* **Fully Remote** — work from anywhere in Latin America* **Full-time contract** with a U.S. company — 6-month initial term, full-time conversion* **Paid PTO** — competitive package, grows with tenure* **Referral Program** — earn a bonus for referring talent that gets hired* **Be an early employee** at a fast-growing startup with direct path to technical leadership## **To Apply****Please send your resume in English. **Include the following:* **LinkedIn Profile URL** *(required)** **GitHub Portfolio** — show us your best work *(required)** **Live Project Examples** — applications or tools you've built *(encouraged)** **Cover Letter** — tell us why you're excited about this role *(optional but encouraged)*## **About OneSeven Tech**Founded by James Sullivan, OneSeven Tech is a premier digital product agency serving startups and enterprises. Our clients have collectively raised over $100M in VC, and our enterprise partners include 2,000+ person hospitality groups and NASDAQ-listed companies.We work fully remote, move fast with 1-week sprints, and focus on elegant solutions to complex problems.
* Strong Python engineering skills and experience delivering production systems* Hands-on experience building with LLM APIs (OpenAI, Anthropic, etc.) and deploying AI features end-to-end* Experience with LangChain / LangGraph — including Prompt Engineering, Token Management, and Agent creation with tool-based workflows* Experience building agentic workflows (tool use, routing, memory, safety/guardrails), ideally with MCP* Solid understanding of RAG concepts — retrieval, chunking, embeddings, re-ranking, and evaluation* Practical AWS experience, especially AWS Lambda and serverless architecture patterns* Backend engineering experience: RESTful API design, webhook integration, JWT, pytest, and observability tools like Sentry* Experience doing Git repository analysis — understanding large codebases, debugging, refactors, and code health* Comfortable working in fast-moving product environments with high ownership* NextJS and TypeScript for frontend components and integration* AWS CDK for infrastructure-as-code and deployment* Broader AWS services knowledge: S3, CloudWatch, IAM, API Gateway* Experience with NoSQL databases* Experience integrating or serving custom models (inference, model endpoints, monitoring)* Familiarity with evaluation frameworks (offline tests, human feedback loops, regression suites)* Strong software engineering fundamentals: testing, CI/CD, observability, performance #J-*****-Ljbffr Postúlate en Kit Empleo: kitempleo.com.ar/empleo/pg4s7