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Quantum Labs with 9 jobs · Website ↗

Growth Marketer (Marketing)

Full-time Barcelona, Spain €84,000 – €111,000 Apply by July 29, 2026

Description

Intro

We're expanding our Marketing team and looking for a Growth Marketer who wants real ownership over their work.

This role has plenty of room to grow as the company scales — we promote from within whenever we can.

We move quickly, communicate directly, and give people the autonomy to do their best work without unnecessary process.

About the team

The team is a mix of senior and mid-level practitioners who collaborate daily and review each other's work closely.

Everyone on the Marketing team has a direct line to leadership — decisions get made quickly, without layers of approval.

Candidate Responsibilities

  • Optimize landing pages for conversion
  • Manage relationships with external agencies and freelancers
  • Analyze campaign performance and report on key metrics
  • Own content calendar and editorial strategy

Candidate Profile

  • Comfortable with marketing analytics tooling
  • Strong written communication skills
  • 3+ years of marketing experience, ideally B2B
  • Experience with paid and organic acquisition channels

Nice to have

  • Experience with marketing automation platforms
  • Basic HTML/CSS for landing page edits
  • Track record of growing an organic search channel

Recruiting Process

Our hiring process starts with a short online screening test tied to this posting — usually under 15 minutes — so you can demonstrate your skills directly instead of relying on a generic application.

If you pass the test(s) attached to this role, your application moves straight to our hiring team for review, typically within 3 business days.

From there, expect two to three conversations with the team and hiring manager, followed by a decision and offer. We aim to keep the whole process under 3 weeks from start to finish.

Screening tests

Digital Marketing & SEO Fundamentals Assessment

29 min

1

UX / UI Design Principles Assessment

28 min

2

Sales Process & Negotiation Fundamentals Assessment

18 min

3
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