Senior Data Engineer (Spain and Portugal, Remote, m,d,f)

F11; Madrid; A distancia; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A leading tech firm is seeking a Senior Data Engineer to shape and scale their data platform. You'll design robust data pipelines, mentor engineers, and collaborate closely with product teams. Applicants should have 5+ years of experience, advanced skills in Python and SQL, and familiarity with modern data tools. The role is fully remote within Europe and offers competitive salary and benefits.

Servicios

Transparent, above-market salaries

Flexible work-hours

Home office allowance

Professional development courses

In-person company events

Formación

• 5+ years of professional experience in data engineering.
• Excellent understanding of data modeling techniques.
• Advanced proficiency in Python and SQL.

Responsabilidades

• Design and maintain data pipelines and architectures.
• Implement ETL/ELT processes for data analysis.
• Mentor junior data engineers and share best practices.

Conocimientos

Building and managing data platforms

Data modeling techniques

Python

SQL

Problem-solving

Mentoring others

Collaboration

Educación

Bachelor's degree in Computer Science or related field

Herramientas

Apache Spark

Apache Kafka

Amazon Kinesis

Apache Airflow

dbt

Descripción del empleo

Senior Data Engineer (Spain and Portugal, Remote, m,d,f) Senior Data Engineer (Spain and Portugal, Remote, m,d,f)

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YOUR MISSION

We are looking for a world-class Senior Data Engineer to help shape and scale our data platform, powering insights and decision-making across our suite of SaaS digital advertising products. You'll play a key role in designing and building robust, scalable data pipelines and services that fuel analytics, machine learning, and customer-facing features.

YOUR MISSION

We are looking for a world-class Senior Data Engineer to help shape and scale our data platform, powering insights and decision-making across our suite of SaaS digital advertising products. You'll play a key role in designing and building robust, scalable data pipelines and services that fuel analytics, machine learning, and customer-facing features.

You'll collaborate closely with Product Managers and Engineers to ensure our data systems are performant, reliable, and aligned with business goals. You'll contribute hands-on to critical projects, lead technical discussions, conduct code reviews, and guide others in best practices for data engineering.

To thrive in this role, you should bring strong expertise with building and managing a modern data stack - particularly familiarity with Lakehouse architecture and cloud-based data platforms.

Experience with AWS cloud platform and technologies like dbt, Apache Spark, Apache Kafka / Amazon Kinesis, and Apache Airflow / Dagster are highly valuable. You're passionate about clean, efficient data architecture and have a proven track record of mentoring others and improving engineering culture.

An accomplished Senior Data Engineer at Factor Eleven is someone who consistently raises the bar - delivering high-quality solutions, strengthening team collaboration, and leaving lasting improvements in system design, data reliability, and team growth.

Your Responsibilities

• Design, build, and maintain data pipelines, architectures, and platforms, ensuring scalability, reliability, and efficiency.
• Develop and implement ETL / ELT processes to move and transform data for analysis, ensuring data accuracy, completeness, and consistency through quality checks and governance frameworks.
• Mentor and support the growth of fellow data engineers by sharing best practices and encouraging a culture of learning.
• Work closely with peers across engineering, product, and business teams to understand requirements to unlock business insights that drive business value.
• Consistently deliver high-impact data solutions - owning timelines, sharing updates, and driving end-to-end project execution.
• Maintain and promote best practices for data engineering, testing, and documentation by actively engaging in technical reviews and design discussions.
• Stay informed about industry trends and advancements in the data ecosystem, including cloud services like AWS, big data processing, and real-time analytics.
• Help scope work, estimate complexity, and break down tasks for yourself and the team to ensure on-time and high-quality delivery.

Requirements

YOUR PROFILE

5+ years of professional experience in data engineering, with a deep focus on building and scaling data platforms and infrastructure.

Excellent understanding of different data modelling techniques and their trade-offs.

You have experience building and maintaining a modern data stack from scratch.

Advanced proficiency in Python and SQL, with experience using tools Apache Spark, Apache Kafka / Amazon Kinesis, Apache Airflow / Dagster and dbt.

You build resilient, well-tested data systems with a focus on performance, security, and maintainability.

You're an excellent communicator - capable of explaining complex technical topics to both technical and non-technical stakeholders, and you lead with empathy during difficult conversations.

Solid foundation in computer science, with expertise in data structures, distributed systems, data modeling, and big data processing frameworks.

Proven track record of influencing strategic decisions through architectural leadership and cross-functional collaboration.

Experience organizing technical workshops or sessions, nurturing a growth mindset and a culture of engineering excellence.

Deep understanding of scalable data system design, including data lakes, data warehouses (e.g. Snowflake, BigQuery), and real-time streaming systems (e.g Kafka, Kinesis).

Strong advocate of automated testing and CI / CD for data pipelines and infrastructure.

Highly collaborative with exceptional problem-solving skills and the ability to mentor others in a supportive and respectful way.

Excellent organizational and project management skills - you can juggle priorities and keep projects on track.

Passion for mentoring and knowledge sharing - you thrive in helping others grow and succeed.

Benefits

WHY US?

Factor Eleven's tech department is the inhouse tech scale-up responsible for our SaaS product suite offering localized digital advertising to enterprises of all sizes and shapes. We're powering the engine that Factor Eleven is successfully built upon and elevate the possibilities of our product on a daily basis. We're working together to fulfill our ambitions as a top ad-tech provider by continuously leveling up the quality and expanding capabilities of the entire platform, as well as our engineering and product organization.

Join our amazing team in our mission to move digital localized advertisement forward and enjoy the freedom, camaraderie and perks of our fully remote operations.

Our Perks & Benefits

Transparent, above-market salaries

100% remote within Europe

Flexible work-hours and part-time models

Be part of a fast-growing, highly-skilled team

In person department and company events

Home office, co-working space and work-together allowance

Personal and professional development courses from Udemy

Case by case relocation and visa support

Please note that you need to be residing in and hold a work permit of a country in the European Union to be considered for this role. Seniority level

Seniority level Mid-Senior level

Employment type

Employment type Full-time

Job function

Industries IT Services and IT Consulting

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