FEMgineers - The Internship Program

Hey there
Are you an aspiring engineer who wants to build real products, learn from experienced mentors, and kickstart your career in a company that's transforming how teams work?

We're launching
FEMgineers
, a 6-month full-time internship designed to empower and upskill
woman+ talent
who want to become
Fullstack Software Engineers
at Factorial.

If you're looking for a real opportunity, not "shadowing", not "busy work", but hands-on learning, real impact, and a path to a
full-time Junior Engineer role
, keep reading.

About FEMgineers
FEMgineers is more than an internship, it's a talent accelerator.

Our goal is simple:

Help motivated women+ kickstart a long-term engineering career at Factorial, while contributing to a more diverse and representative tech community.

You won't just learn to code "better", you'll learn how to build real products used by thousands of companies.

The Program
Duration:
6 months (starting January 19th)

Format:
Full-time internship (40h/week), on-site at our Barcelona HQ

Hiring Goal:
3 selected interns → potential
full-time conversion
as Junior Software Engineers

After the internship:
Successful interns receive a
full-time contract
.

You'll be embedded into active product squads, paired with mentors, and trained on the same technologies we use to ship features to thousands of customers.

What You'll Learn
You'll follow a structured curriculum with real guidance, real deadlines, and real code.

Month 1 — Web Engineering Foundations & Onboarding

• Intro to Factorial, product areas, and engineering culture
• Git workflows, development environment setup, technical foundations

Month 2 — Backend Fundamentals (Ruby on Rails)

• Ruby & Rails basics
• MVC, routing, REST APIs
• ActiveRecord, SQL, and first database schemas
• Intro to testing

Month 3 — Frontend Fundamentals )

• ES6+ and SPA concepts
• Components, props, state, hooks
• Fetching data from the backend
• Build a small payroll/compensation UI feature

Month 4 — Advanced Databases & GraphQL

• SQL optimization, indexing, joins
• Schema design for real-world problems
• First GraphQL queries and mutations

Month 5 — Full-Stack Integration

• Connect React + Rails (REST + GraphQL)
• Authentication, authorization flows
• Integration/E2E tests
• Pair programming & peer reviews

Month 6 — Capstone Project

• Define scope, architecture, and goals
• Build a small but real feature end-to-end
• Final live demo to Engineering Leadership

This is the closest thing to working as a real engineer, before becoming one.

Your Journey During The Program
You won't be alone. You'll grow through:

• Weekly mentorship check-ins
• Continuous code reviews
• Pair programming with experienced devs
• Engineering rituals (standups, retros, RFCs)
• Monthly evaluations & personal development plans

We care about progress, not perfection.

How We'll Evaluate You
We evaluate potential, not polish.

Continuous Evaluation

• Code quality and delivery
• Collaboration & communication
• Growth mindset, adaptability
• Ability to give/receive feedback

Final Review
To convert to a full-time role, you'll need:

• 75%+ score across all evaluation criteria
• Strong mentor feedback
• Demonstrated readiness to own features as a Junior Engineer

Who We're Looking For
You might be a great fit if you:

• Are early in your career (max 2 years of engineering experience)
• Know the basics of Git, JavaScript, and at least one backend language
• Are deeply motivated to learn and grow
• Love solving problems and collaborating with others
• Want to build a real career in product engineering

This program is
for external candidates only
.

Our Hiring Process
Clear, supportive, and designed to understand your potential:

• Application Review We check eligibility, motivation, and basic technical foundation.
• Behavioral Interview We explore your learning mindset, motivation, and collaboration style.
• Coding Test Simple, practical exercise to evaluate problem-solving and clarity.

How We Work
We follow an
office-first, flexible approach (80%-20%)
because we believe the best products are built when people collaborate face-to-face.

We work
on-site several days a week
in our
Barcelona HQ (or Madrid office)
to connect, brainstorm, and ship together, while keeping flexibility for deep work and personal balance.

About Factorial
Factorial is an innovative
Business Management Software solution
designed to streamline company processes for small and medium-sized enterprises. Founded in 2016, our mission is to help companies automate workflows, centralize people data, and make better business decisions. With customers across over 60 countries worldwide, we've built a diverse team that's driving change in the business management tech space. Join us as we continue our rapid growth journey

Our Values

• We own it: We take responsibility and act.
• We learn & teach: Knowledge grows when shared.
• We partner: Collaboration is our default mode.
• We grow fast: We move quickly, learn from mistakes, and iterate.

Wanna learn more? Check our website