Hello
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 titlesIf that sounds like you, keep reading.The RoleWe're looking for a Staff/Senior React Native Engineer to help us boost the company to the next level.Ready to be part of the challenge?
- Team player: You are comfortable helping your teammates, sharing your knowledge, reviewing their code and asking for reviews of your own.
Not afraid of technical challenges, in fact, you are hungry for the impossible- Engineer: We're not looking for coders, we are looking for engineers, customer-centric people that understand what customer needs, and is able to propose different approaches to deal with an opportunity.
- Someone who like relaxed and fun environments: We work hard and we are committed to Factorial users but we do that in a fun and relaxed atmosphere.
We don't take ourselves too much seriously.
- Learner: you want to improve your skills not only in the engineering field but across any other areas.
- Owner: You like proposing new hypotheses and be responsible for building, deploying and validating them.
- Someone who love understanding: Breaking down complex problems into basic and shareable elements and you have evolved concrete implementations to abstractions before.
- Tech vision: We are looking for people with experience in React Native and a deep understanding of its under the hood mechanics.
Someone that could move the needle in terms of tech, someone who can challenge our architecture and our processes to make a top-level application.
- Mentor:



You love to share your experience and expertise to help others grow.
- Someone who have some years of experience working as a software engineer.
- Someone who is comfortable with communicating in English.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 provide a super smooth experience for app users.
- You will ideate, craft and deploy interactions and experiences for customers.
Being creative with opportunities, being smart crafting them and being realized by observing the results.
And enjoying iterating them.
- You will be actively participating in the definition of the objectives for the team having the customer on mind.
- You will be part of the continuous improvement of our technology, infrastructure and architecture of the app.
- You will be owner and accountable of the success of the team.In this process you will be guided and helped by a buddy since first day, and a super talented team to play together.What we're looking forYour title matters less than your 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 fastBonus points if you've worked with:LLMs, skill-based agents, MCP, or other AI protocolsHow 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 softwareAbout FactorialFactorial is the AI for Business that knows companies, connects how work happens across the business, and turns that context into action.Founded in Barcelona in ****, we now have +1,700 employees serving more than 16,000 companies across 112 countries.Factorial started with a simple idea: companies were spending too much time managing processes and not enough time doing the work they were hired to do: their best work.But as companies grow, work gets more disconnected.
More people, more tools, more information, and more time spent connecting the dots.
Generic AI can answer questions, but it doesn't know your company.
Every time, you have to give it the context.Factorial is different.
Because it's inside the company, it already knows how it works, including its people, processes, policies, and data.
So you can ask it to do real work, from screening candidates and managing expenses to answering questions and creating reports.AI isn't the goal.
Giving people back their time is.When work changes, so do we.We believe in diverse talent: we welcome applicants from all backgrounds and strongly encourage people of diverse experiences and identities to apply.We believe in inclusion: we are committed to equal opportunities and actively promote wo

📌 Senior Software Engineer (Barcelona)
🏢 Factorial
📍 Barcelona