Full Stack Developer – Early-Stage AI StartupLocation: Lisbon/Remote (Portugal-based preferred but flexible)A promising early-stage startup is quietly building a new product at the intersection of AI, marketing, and data.
The founding team has strong MarTech experience, a clickable prototype, and early customer interest—now they're hiring their first Full Stack Developer to help bring the MVP to life.This is a chance to work on something ambitious from day one, alongside a small, driven team shaping a new product category.The RoleYou'll be the primary engineer responsible for building the backend and frontend of a dashboard that surfaces insights from AI assistant responses.
You'll work closely with data scientists and product leadership to turn raw data into polished, interactive dashboards that help brands understand and improve their presence in AI interfaces.What You'll Work OnBuilding an interactive web dashboard using React and data visualisation libraries like D3.js or RechartsDesigning backend services in Flask, FastAPI, or Node.js to support model outputs and scoring logicCreating pipelines to ingest, process, and store LLM response dataConnecting data science outputs to frontend components via APIsDeploying and scaling the product using Firebase, Supabase, or equivalent infrastructureSupporting features like user authentication, filtering, and feedback mechanismsWhat They're Looking For2–5 years of full stack experience, ideally in a SaaS or startup settingStrong frontend skills in React, plus experience with visualisation toolsConfident building APIs and backend logic in Python or NodeFamiliarity with cloud deployment (Vercel, Firebase, Supabase, etc.
)Knowledge of SQL/PostgreSQL and working with structured dataComfort working in a fast-paced, iterative environment with lots of ownershipNice to HaveExperience querying LLM APIs (OpenAI, Anthropic, Gemini, etc.
)Prior work building dashboards or analytics platformsInterest in early-stage product building and category creationWhy This Role?Work on something new and ambitious in a fast-emerging spaceJoin a small, experienced team at ground levelContribute to a real product already showing tractionFlexible remote setup (Portugal-based preferred)Competitive early-stage equity