Join a fast-paced team building AI-driven tools to solve major inefficiencies in the mobility sector. As a Senior Fullstack Engineer, you will take products from 0 to 1, working closely with users to deliver high-impact features. You will leverage a modern stack to build intuitive, simple experiences for operational users.
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Barcelona, SpainNot Disclosed
Senior Fullstack Engineer at VC-backed mobility tech startup
Are you a Senior Fullstack Engineer looking to build products from 0 to 1? This well-funded mobility tech startup is looking for a critical thinker to lead the development of AI-driven tools that tackle the industry's biggest inefficiencies. If you thrive in high-ownership environments and love translating complex problems into simple, high-UX solutions using Ruby on Rails and React, this is your next big move.
Overview
Role overview
Company
About the company
VC-backed mobility tech startup
Responsibilities
What you will do
- Design and develop end-to-end features using Ruby on Rails, React (NextJS), and PostgreSQL.
- Translate complex user problems into simple, high-performance solutions with a strong focus on UX.
- Work independently across the full stack to deploy and maintain scalable infrastructure on AWS and Heroku.
Candidate profile
Who this is a fit for
- Strong full-stack engineering experience with a product-first mindset and high attention to detail.
- Ability to work independently as a critical thinker who translates user needs into technical solutions.
- Passion for building 0-1 products and leveraging AI to improve operational workflows for end-users.
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What makes it remarkable
Why this role is remarkable
- Impactful 0-1 development: Build and scale AI tools that solve real-world inefficiencies in a massive global industry.
- Modern productivity stack: Work with high-end tools like Linear, GitHub, and New Relic designed to minimize interference and maximize output.
- Culture of ownership: Join a well-funded startup backed by top-tier VCs where your personal ideas directly shape the product roadmap.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
Jack