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# Principal Python Engineer (Apache Ecosystem)

- **Company:** Bairesdev S.A.
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Apache HTTP Server, Big Data, Distributed Systems, Python (Programming Language), Open Source Technology, Performance Tuning, Software Engineering, Data Processing, Apache Spark, Apache Kafka, Free and Open-Source Software, Service Stack
- **Published:** October 10, 2026
- **Apply:** https://www.jobleads.com/es/job/principal-python-engineer-apache-ecosystem--comunidad-de-madrid--e5ebb8cdd14c617aa220e30ad37d38d2e

## About the Role

* 10+ years of experience in software development with strong Python expertise.
 * Proven track record as a leading contributor to Apache open source projects, with recognized impact in the community.
 * Exceptional expertise in open source development methodologies, governance, and community leadership.
 * Extensive knowledge of distributed systems architecture, scalability, and advanced performance optimization.
 * Demonstrated ability to set technical strategy, influence cross-team decisions, and deliver high-impact results.
 * Experience mentoring and leading senior technical talent.
 * Advanced level of English.

## Description

Principal Python Engineer (Apache Ecosystem)

We are seeking a Principal Python Engineer with deep expertise in Apache project contribution, data processing, automation, and big data ecosystem integration. The technology stack includes popular open source Apache projects with Python integration - Spark, Kafka, and related ecosystem tools. The role goes beyond development: the ideal candidate will set technical direction, drive architectural decisions, and represent BairesDev in the Apache community.

At BairesDev®, we have been leading the way in technology projects for over 15 years, delivering cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

What You'll Do:

 * Drive technical vision and strategy for Python-based integration with Apache ecosystem projects (Spark, Kafka).
 * Contribute actively as a core contributor to Apache open source projects with Python components.
 * Define and oversee the design of highly scalable, resilient data processing systems built in Python.
 * Establish best practices and performance standards for AI/ML and big data applications across teams.
 * Mentor and empower Staff and Senior Engineers, fostering technical growth and knowledge sharing.
 * Influence cross-functional engineering decisions, aligning technical initiatives with business objectives.
 * Lead innovation initiatives and guide the evolution of open source frameworks within the Apache ecosystem.

What we are looking for:

 * 10+ years of experience in software development with strong Python expertise.
 * Proven track record as a leading contributor to Apache open source projects, with recognized impact in the community.
 * Exceptional expertise in open source development methodologies, governance, and community leadership.
 * Extensive knowledge of distributed systems architecture, scalability, and advanced performance optimization.
 * Demonstrated ability to set technical strategy, influence cross-team decisions, and deliver high-impact results.
 * Experience mentoring and leading senior technical talent.
 * Advanced level of English.

How we make your work (and your life) easier:

 * Excellent compensation in USD or local currency if preferred.
 * Paid parental leave, vacation, and national holidays.
 * Innovative and multicultural work environment.
 * Collaborate and learn from the global Top 1% of talent in each area.
 * Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Location: Madrid, Community of Madrid, Spain

Join a global team where your unique talents can truly thrive and make a significant impact! Apply now!