Senior Java Engineer – Secure, Scalable Distributed Systems

Elastic; United Kingdom; On-site; GBP 110,000 - 160,000; Full time

Benefits offered by this job

Competitive pay

Health coverage for you and family

Flexible locations and schedules

Generous vacation days

Donation matching up to 2000 USD

Volunteer hours (up to 40 hours/year)

Parental leave (minimum 16 weeks)

Job summary

Elastic is seeking a Senior Software Developer to join the Elasticsearch Security team. You will contribute to the architecture and design of Elasticsearch's main features, including authentication, authorization, and tenant isolation.

You will work with engineering and product leaders to deliver high-performance security at scale. Your role focuses on core security initiatives, building scalable authorization models, and optimizing distributed system security.

Qualifications

• Deep knowledge of Java internals and JVM memory management.
• Experience building scalable authorization systems for distributed systems.
• Strong understanding of distributed systems security concepts (node-to-node trust, zero-trust, partition tolerance).
• Familiarity with OAuth 2.0 and SAML identity protocols.

Responsibilities

• Contribute to architecture and design of Elasticsearch core security features.
• Develop foundational security models and optimize performance at scale.
• Apply cryptographic solutions and ensure data isolation across tenants.
• Collaborate with teams to embed security in new features from the outset.
• Drive vulnerability management with the InfoSec team and use AI tools for triage.

Skills

Java performance

Delegated authorization

Distributed security

OAuth 2.0

SAML

AI-assisted development

Cross-functional teamwork

Async communication

Tools

TLS/PKI

Job description

Elastic is seeking a Senior Software Developer to join the Elasticsearch Security team. You will contribute to the architecture and design of Elasticsearch's main features, including authentication, authorization, and tenant isolation.

You will work with engineering and product leaders to deliver high-performance security at scale. Your role focuses on core security initiatives, building scalable authorization models, and optimizing distributed system security.