Full-Stack Lead Engineer (Founding Team)

Careergenie; Santander; A distancia; EUR 45.000 - 60.000; Jornada completa

Descripción de la vacante

A dynamic tech startup is seeking a Full-Stack Lead Engineer to take ownership of engineering architecture and deliver core product features across web and mobile platforms. This role involves leading development with a focus on AI integration, mentoring engineers, and managing infrastructure. Candidates should have 5+ years of full-stack experience and be based in Spain or Portugal. Remote-friendly with competitive salary and equity opportunities.

Servicios

Equity compensation

Remote-first work environment

Access to a network of mentors

Formación

• 5+ years of full-stack engineering experience.
• Experience leading projects or small engineering teams.
• Fluent English communication skills.

Responsabilidades

• Lead full-stack development using React, Node.js, and React Native.
• Collaborate with Product and Design teams.
• Mentor and guide engineers.

Conocimientos

Full-stack engineering

React

Node.js

REST APIs

React Native

Azure cloud services

Herramientas

GitHub Copilot

n8n

Descripción del empleo

Location : Remote (Spain or Portugal-based)

Type : Full-Time

Compensation : 45,000-60,000 / year + Equity

About CareerGenie

CareerGenie is reimagining how people find meaningful work with a platform powered by multiple agents like AI Recruiter, AI Career Coach, and AI Global Mobility Expert, among others, that collaborate seamlessly to connect talent with opportunity. Backed by Techstars, we are building at the edge of AI, automation, and impact.

We're now scaling our engineering team to enhance our web and mobile experiences, helping users achieve career clarity, verified skills, and job access faster than ever before.

The Role

We are hiring a Full-Stack Lead Engineer to own our engineering architecture, promote best practices, and deliver core product features across web, mobile, and backend platforms. You will work directly with the founding team (Product, Design, CTO) and play a key role in developing AI agent workflows, automation systems, and real-time career insights.

This is a hands-on leadership role with potential to grow into Head of Engineering as our team expands.

What You'll Do

• Lead full-stack development : Contribute to our platform using React (web), Node.js (backend), and React Native (mobile).
• Collaborate across teams : Work closely with Product and Design to scope, plan, and deliver features.
• Build AI-powered workflows : Support features involving AI agents, voice interactions, and n8n automations.
• Mentor and guide engineers : Establish code quality standards, review pull requests, and help grow the team.
• Own infrastructure : Manage performance, scalability, and reliability of services hosted on Azure.

You Should Have

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

Why Join CareerGenie

Purpose-driven product : Help people find better careers, faster, powered by AI

Startup ownership : Play a central role in shaping our tech stack and engineering culture

Remote-first from Portugal : We prioritize outcomes over clock-in time

Work with cutting-edge tech : Voice agents, GPT workflows, automation, and internal tools

Equity upside : Competitive salary plus real ownership as we scale

Backed by Techstars with access to an international network of mentors and advisors

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