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 idóneo 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 resu

📌 Principal Python Engineer (Madrid)
🏢 BairesDev
📍 Madrid