Global Post Weekly

Operations Department

Job Description

We offer full-cycle software development: from ideation and design to build and go-to-market. We partner with visionary companies, ranging from fast-growing startups to tech leaders like Google and Stripe, to turn bold ideas into products with the power to transform the world. The role is open to candidates based in Portugal preferably in Lisbon.About the roleAs an AI Engineer at Fluxon, you'll take the lead in designing, building and deploying AI-powered applications for our clients.You'll be responsible for:System Architecture: Design and implement end-to-end AI systems and their parts, including data ingestion, preprocessing, model inference, and output structuringGenerative AI Development: Build and optimize RAG (Retrieval-Augmented Generation) systems and Agentic workflows using frameworks like LangChain, LangGraph, ADK (Agent Development Kit), GenkitProduction Engineering: Deploy models to production environments (AWS/GCP/Azure) using Docker and Kubernetes, ensuring high availability and scalabilityEvaluation & Monitoring: Implement feedback loops to evaluate model performance (accuracy, hallucinations, relevance) and set up monitoring for drift in productionCollaboration: Work closely with other engineers to integrate AI endpoints into the core product and with product managers to define AI capabilitiesModel Optimization: Fine-tune open-source models (e.g., Llama, Mistral) for specific domain tasks and optimize them for latency and costYou'll work with technologies including:LanguagesPython (Preferred)Java / C++ / Scala / R / JavaScript   AI / MLLangC Who we areWe are Fluxon, a product development team founded by ex-Googlers and startup founders.