Senior Software Engineer Data Ops

The Role

We are looking for a Senior Software Engineer to join our Data Ops this role you will lead the backend development of our internal applications which directly impact Factorials sales and billing mission is to engineer highly resilient scalable backend systems and robust cloud architectures that connect internal users external clients and financial workflows. You wont be managing data lakes or core data warehouses; instead you will own the full product lifecycle from architecture to deployment. If you think product-first value system stability and want to leverage AI in your daily development workflow this is for you!

What will you do

Own the backend architecture of internal sales invoicing and billing applications ensuring maximum availability security and performance using a modern cloud stack.
Design and maintain robust backend workflows capable of handling critical financial data with high reliability and fault tolerance.
Integrate global payment platforms and APIs (such as Stripe or Adyen) to optimize our internal financial flows.
Develop end-to-end products with strong support from our design and product teams ensuring applications meet the needs of both internal and external users.
Embed AI into your workflow using GitHub and modern AI tools to accelerate development and build smart agents.
Drive agile practices within the team participating in structured Pull Request reviews continuous deployment and collaborative specifications.

Your Profile

Experience: You have 5 years of professional experience as a Backend or Software Engineer.
Tech Stack: Strong foundation in database management Docker containers and modern cloud infrastructure architecture. You are language-agnostic and focused on choosing the best tool for the job.
Backend Robustness: Deep understanding of building reliable secure and production-ready APIs handling concurrency data integrity and system monitoring.
Domain Knowledge: Background in fintech payment platforms or financial applications is highly valued.
Product-First Thinking: You understand why an application is built how it adapts to clients and how it impacts the business.
AI as a Habit: You actively leverage AI assistants and automation tools in your daily coding routine.
Collaboration: Comfortable working with Agile methodologies peer reviews and cross-functional teams.

Bonus Points
Experience developing or integrating AI agents.

• 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

At Factorial were building the leading business management software for companies of all sizes. Our platform centralizes key workflows across HR finance and operations freeing teams from manual processes so they can focus on what really matters: leading growing and taking care of their over 1200 employees across 7 markets we serve 700000 users and are one of Europes fastest-growing SaaS companies backed by top-tier investors and proudly headquartered in believe in bold goals radical ownership and inclusive collaboration. If youre excited to shape the future of business management technology wed love to meet you.

• We own it: We take responsibility for every project. We make decisions not excuses.
• We learn and teach: Were dedicated to learning something new every day and above all share it.
• We partner: Every decision is a team decision. We trust each other.
• We grow fast: We act fast. We think that the worst mistake is not learning from them.
• 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 workplace inclusion of people with disabilities. If you would like to learn more about our inclusive recruitment processes you are welcome to indicate so optionally and we will share additional information with you.

Wanna learn more about us Check our website!

We care about people and we also offer a lot of benefits for employees:

• High growth multicultural and friendly environment
• Alan as private health insurance
• Healthy life with Wellhub (Gyms pools outdoor classes)
• Save expenses with Cobee
• Language classes
• Breakfast in the office and organic fruit
• Nora discounts
• Free caffeine and theine
• Pet Friendly

If you apply heres what to expect:

1. A first conversation with our Talent Acquisition Partner. It will be about comparing our expectations and making sure we match on a human level. We will also check our Engineering Rubrics (check them out they are open!) and the salary in your position.
2. A second conversation with the teams Engineering Manager. This is about making sure we can work together. Here you will have a conversation about the team their needs your profile and how can you complement it. Expect to have a mix of a human and technical conversation.
3. A Live Engineering Challenge with two Factorial engineers: At Factorial were passionate about hiring engineers who can think clearly communicate well leverage the best tools and learn very this challenge were not looking for a finished product but for how you structure problems ask questions use technology and reason about solutions.
4. One last coffee-chat with our CTO where you can get all the answers about Factorials culture business vision or anything else that interests you.
5. And thats it! Feel free to request any other conversation you want with team members or to address specific concerns at any time during the process.

The whole process is remote using videoconferencing tools!