Software Engineer - Mobile

factorial
Barcelona, Spain
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Compensation
€ 70K

Job location

Barcelona, Spain

Tech stack

Artificial Intelligence
Business Software
Mobile Application Software
Microsoft Office
Large Language Models
React Native

Job description

A leading business management software firm in Barcelona seeks a Staff/Senior React Native Engineer to enhance the user experience of mobile applications. The ideal candidate embodies a product-first mindset and has a proven track record in AI-driven projects. Responsibilities include improving app architecture and collaborating with a diverse team. This is an opportunity to shape future business management technology while being part of a multicultural environment that promotes growth and inclusivity., Proven impact through projects Product-first thinking Speed and adaptability Descripción del empleo

Do you want to help us redefine how AI powers the future of Business Management software, not as an add-on, but as a core part of how people work, decide and grow? We're looking for engineers who:

  • Treat AI as central to their craft
  • Are obsessed with building and shipping fast
  • Care about real impact, not hierarchy or titles

If that sounds like you, keep reading., We're looking for a Staff/Senior React Native Engineer to help us boost the company to the next level. What You'll Do

  • You will be part of the mobile engineering team, working closely with other talented mates. The objective of the team is to provide a super smooth experience for app users.
  • You will ideate, craft and deploy interactions and experiences for customers, being creative with opportunities, crafting them smartly and iterating based on results.
  • You will actively participate in defining the objectives for the team, always keeping the customer in mind.
  • You will be part of the continuous improvement of our technology, infrastructure and architecture of the app.
  • You will be owner and accountable for the success of the team.

In this process you will be guided and helped by a buddy from the first day, and a super talented team to play together. What we're looking for

Your title matters less than mindset. You might be mid, senior, or staff; what we care about is:

  • AI as a habit: you've built real AI-powered systems or workflows (not just experiments)
  • Proven impact: shipped projects, side projects, or contributions that made a measurable difference
  • Product-first thinking: you design complete experiences, not just isolated components
  • Speed & adaptability: you experiment, learn, and iterate fast

Bonus points if you've worked with:

  • LLMs, skill-based agents, MCP, or other AI protocols

How We Work

  • Office-first in Barcelona & Madrid, with 20% remote flexibility
  • A people-first, high-trust culture built on radical candor and ownership
  • A multicultural team (40+ nationalities) building the next generation of business management software

Requirements

  • Experience building AI-powered systems or workflows.
  • Measurable contributions to previous projects.
  • Ability to design complete user experiences., * Be part of the mobile engineering team.
  • Ideate and craft app user interactions.
  • Define team objectives with customer focus.
  • Improve technology and app infrastructure.
  • Be accountable for team success.

Apply for this position