Description:

We are seeking a highly skilled Full Stack Developer to join our MarTech / AdTech team, focusing on the technical implementation of marketing attribution pipelines, landing page experiences, and network signaling integrations.
This role is positioned at the intersection of marketing and engineering, facilitating accurate measurement, campaign optimization, and seamless user journey tracking across multiple paid channels.
The developer will collaborate closely with performance marketers, data scientists, and product managers to create scalable tools and solutions that drive data-driven growth.
Key responsibilities include developing attribution systems, maintaining landing page infrastructure, managing network signaling and API integration, overseeing data flow management, and ensuring monitoring and quality assurance.

Requirements:

Technical skills required include strong knowledge of frontend technologies such as React, Next.js, or Vue.js, as well as HTML5, CSS3, Tailwind/SCSS, and client-side performance optimization.
Experience in integrating tracking scripts like Meta Pixel, Google Tag Manager, and TikTok Pixel is essential.
Backend skills should include proficiency in Node.js, Python, or Go for building APIs and middleware, along with REST & Webhook-based architecture and familiarity with serverless functions.
Candidates should have experience with SQL/NoSQL databases (PostgreSQL, MongoDB), Git, CI/CD pipelines, Docker, and cloud services (AWS, GCP, Vercel, Netlify).
A deep understanding of mobile/web attribution, prior experience with Appsflyer, Adjust, or Branch, and familiarity with ad platform APIs is necessary.
Strong communication skills, a problem-solver mindset, and the ability to translate marketing goals into scalable technical solutions are required.
Nice to have skills include experience with Marketing Automation tools, understanding of privacy regulations, and familiarity with feature flagging and personalization frameworks.

We offer a competitive salary and stock options, along with a remote-friendly environment and flexible working hours.
Employees have access to top-tier ad budgets, tools, and learning resources, and will play a high-impact role at the intersection of marketing, product, and engineering.
Growth and career development opportunities are prioritized, with personalized internal training and an annual budget for external learning.
A flexible schedule allows for flextime and the option to work fully remote or from our Barcelona office, with a 7-hour workday and a 35-hour workweek in July and August.
Comprehensive benefits include a competitive salary, full-time permanent contract, top-tier private health insurance, and 25 days of vacation plus your birthday off.
Unique office perks in Barcelona include free coffee, fresh fruit, snacks, a game room, and a rooftop terrace with stunning views, along with additional benefits like restaurant and nursery vouchers.