Senior Open Source Software Engineer – Apache Cassandra

NetApp

Senior Open Source Software Engineer focused on Apache Cassandra for major enterprise deployments. Leading upstream initiatives and mentoring engineers within a globally distributed team.

Posted 7/14/2026full-timeSchiphol-Rijk • 🇳🇱 NetherlandsSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expert Java engineering capability and deep mastery of Apache Cassandra internals, with a proven track record in leading complex technical initiatives within the Apache open source governance model. Strong written communication skills facilitate effective global collaboration and mentorship of engineers.

Highest-signal resume keywords

Apache Cassandra Committer StatusExpert Java EngineeringLeadership in Open Source GovernanceTechnical JudgmentCommunity Engagement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java EngineeringApache Cassandra InternalsDistributed SystemsPerformance OptimizationConcurrent Programming

Soft Skills

Written CommunicationMentorship

Tools & Technologies

Apache Cassandra

Industry Keywords

Upstream InitiativesRelease ManagementTechnical CollaborationCommunity ContributionsEvidence-Based Participation

Tech Stack

Tools & technologies

ApacheCassandraDistributed SystemsJavaOpen Source

About the role

Key responsibilities & impact

Lead end-to-end upstream initiatives in Apache Cassandra
Provide binding committer reviews on upstream patches and community contributions
Co-own Apache Cassandra core release management
Translate enterprise customer needs into credible upstream proposals
Shape community direction through evidence-based participation
Mentor engineers toward committer standing
Improve upstream infrastructure to reduce project-wide maintenance burden

Requirements

What you’ll need

Minimum of 12 years of applicable professional software engineering experience
Current Apache Cassandra committer status with a sustained and publicly verifiable upstream track record
Expert Java engineering capability in performance-sensitive, concurrent, and production-grade distributed systems
Deep mastery of Apache Cassandra internals in at least one major domain
Demonstrated ability to lead complex technical work through the Apache open source governance model
Strong written communication for asynchronous, global, public technical collaboration
Proven senior-level technical judgment

Benefits

Comp & perks

Up to 10% travel
Meaningful autonomy
Strong peer collaboration
Direct access to product and field relationships