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# Full-Stack Lead Engineer

- **Company:** Careergenie
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Microsoft Azure, Cursor (Graphical User Interface Elements), Programming Tools, Node.Js, GitHub Copilot, ReactJS, Delivery Pipeline, Zapier, Backend, Low-code, Nintex, React Native, Virtual Agents, Restful APIs, GPT
- **Published:** July 27, 2026
- **Apply:** https://www.buscojobs.com.es/full-stack-lead-engineer-en-madrid-ID-365195052

## About the Role

5+ years of full-stack engineering experience (React, Node.js, REST APIs)
Experience leading projects or small engineering teams
Comfort working with
React Native
or mobile-first development
Familiarity with
Azure
cloud services and deployment workflows
Exposure to
AI-driven product features
(e.g., GPT APIs, voice agents, intelligent UIs)
Based in
Portugal or Spain
with fluent English communication skills
Nice-to-Haves
Experience using AI-enhanced developer tools
like
GitHub Copilot
,
Cursor
,
Clide
, or similar IDEs
Experience with
n8n
, Zapier, or similar no-code/low-code tools
Interest in building for edtech, jobtech, or social-impact platforms
Familiarity with UX collaboration and fast-paced product iteration
Passion for the future of work and AI-assisted career tools

## Description

Company:CareerGenieLocation:Remote (Spain or Portugal-based)Type:Full-TimeCompensation:45,*******,000/year+ EquityAbout CareerGenieCareerGenieis reimagining how people find meaningful work with a platform powered by multiple agents like AI Recruiter, AI Career Coach and AI Global Mobility Expert amongst many others that collaborate with each other seamlessly to connect talent with opportunity. Backed byTechstars, were building at the edge ofAI, automation, and impact.We're now scaling our engineering team to power the next phase of our web and mobile experience, helping users get career clarity, verified skills, and job access, faster than ever before.The RoleWe're hiring aFull-Stack Lead Engineerto take ownership of our engineering architecture, guide best practices, and ship core product features across web, mobile, and backend. You'll work directly with the founding team (Product, Design, and CTO), and play a key role in bringing to life our AI agent workflows, automation systems, and real-time career insights.This is ahands-on leadership rolewith the opportunity to grow intoHead of Engineeringas the team scales.What Youll DoLead full-stack development:Contribute across our platform, React (web), Node.js (backend), React Native (mobile).Collaborate across teams:Work closely with Product and Design to scope, plan, and deliver features.Build AI-powered workflows:Support features built around AI agents,voice interactions, andn8n automations.Mentor and guide engineers:Establish code quality standards, review PRs, and help grow the team.Own infrastructure:Manage performance, scalability, and reliability of our services, hosted onAzure.Iterate fast:Embrace a builder mindset prototype quickly, ship, learn, improve.You Should Have5+ years of full-stack engineering experience (React, Node.js, REST APIs)Experience leading projects or small engineering teamsComfort working withReact Nativeor mobile-first developmentFamiliarity withAzurecloud services and deployment workflowsExposure toAI-driven product features(e.g., GPT APIs, voice agents, intelligent UIs)Based inPortugal or Spainwith fluent English communication skillsNice-to-HavesExperience using AI-enhanced developer toolslikeGitHub Copilot,Cursor,Clide, or similar IDEsExperience withn8n, Zapier, or similar no-code/low-code toolsInterest in building for edtech, jobtech, or social-impact platformsFamiliarity with UX collaboration and fast-paced product iterationPassion for the future of work and AI-assisted career toolsWhy Join CareerGeniePurpose-driven product:Help people find better careers, faster powered by AIStartup ownership:Play a central role in shaping our tech stack and engineering cultureRemote-first from Portugal:We care about outcomes, not clock-in timeWork with cutting-edge tech:Voice agents, GPT workflows, automation, and internal toolsEquity upside:Competitive salary + real ownership as we scaleBacked by Techstarswith access to an international network of mentors and advisors


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