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MarTech Full Stack Developer

2 months ago
Spain
Full-time
Mid Level
Backend Engineer
Software Development
Astro CRM CSS Firestore GCP Google Ads HTML Next.js Node.js Python React REST API Serverless SQL TikTok TypeScript Vue.js
Apply Now
Leadtech

Leadtech

Leadtech is a Barcelona-based Online Innovation Technology company that has rapidly grown since 2007, becoming an industry leader in online project management with a global team of over 570 professionals.

IT Services
251-1K
Founded 2009
View All Jobs 18

Description

  • Build and maintain attribution and tracking systems across web and app environments.
  • Work with GA4, Appsflyer, Adjust, and custom server-side tracking setups.
  • Handle event deduplication, postback routing, conversion events, and parameter consistency.
  • Define, maintain, and enforce tracking schemas and event governance across projects.
  • Develop and extend internal CRM and marketing tooling features and workflows.
  • Build internal UIs and operational tools that help marketing teams work more autonomously.
  • Pipeline campaign and attribution data into warehouses such as BigQuery and ensure data quality and consistency.
  • Build and manage server-to-server integrations with ad networks and develop APIs and middleware for event ingestion and delivery.
  • Automate testing and monitoring of tracking and attribution flows, and investigate data discrepancies across systems.
  • Collaborate with Marketing, Product, Engineering, and Data stakeholders to translate business needs into technical implementations.

Requirements

  • Strong backend experience with Node.js, TypeScript, and Python.
  • Experience with APIs, REST, webhooks, and server-to-server integrations.
  • Solid understanding of tracking, attribution, or event-based systems.
  • Experience building or maintaining data pipelines.
  • Ability to work with SQL and NoSQL databases.
  • Experience with cloud environments and serverless architectures.
  • Strong ownership mindset and a proactive approach to improving systems.
  • Strong communication skills in English, written and spoken.
  • Spanish is nice to have.
  • Experience with the Google Cloud Platform ecosystem, especially BigQuery, Cloud Functions, Pub/Sub, Cloud Scheduler, and Datastore/Firestore.
  • Experience defining and maintaining tracking schemas or event governance.
  • Experience building or maintaining internal tools, CRMs, or operational dashboards.
  • Comfort working across technical and non-technical stakeholders.
  • Frontend experience with React, Next.js, Vue, or Astro is nice to have.
  • Strong fundamentals in HTML, CSS, and web performance are nice to have.
  • Experience with MMPs such as Appsflyer, Adjust, or Branch is nice to have.
  • Familiarity with ad platform APIs and tracking flows is nice to have.
  • Experience with subscription businesses and tools like RevenueCat is nice to have.
  • Exposure to CDPs, marketing automation, or product analytics tools is nice to have.

Benefits

  • Competitive salary with a full-time permanent contract.
  • Top-tier private health insurance, including dental and psychological services.
  • 25 days of vacation plus your birthday off, with flexible vacation options and no blackout days.
  • Flexible schedule with flextime.
  • Free Friday afternoons with a 7-hour workday.
  • 35-hour workweek in July and August.
  • Personalized internal training and an annual budget for external learning opportunities.
  • Barcelona office perks including free coffee, fresh fruit, snacks, a game room, and a rooftop terrace.
  • Ticket restaurant and nursery vouchers paid directly from gross salary.

Interested in this position?

Apply directly on the company website

Apply Now

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