Principal Software Developer

Job Description

Design, devPrincipal Software Engineer (Performance & Efficiency – OCI Core Engineering)

Location:

UK / Ireland / Europe – Remote-friendly (subject to Oracle HR policy)

Note: Dublin and Czech Republic are considered key OCI hubs in Europe.

Organization:

OCI Energization / Technical Strategy Team

Level:

IC4 or IC5 preferred

(IC3 candidates with exceptional skills will also be considered)

About the Team:

This team is part of a specialized technical strategy group within Oracle Cloud Infrastructure (OCI) focused on efficiency, performance improvements, and architectural excellence across core OCI services.

Rather than building specific customer-facing services, this team partners with other internal service teams (e.g., Spot, Storage, Multi-cloud) to analyze, improve, and optimize the performance, throughput, latency, and cost-efficiency of those services.

The mission includes:

• Enhancing service performance
• Reducing resource consumption
• Identifying architectural bottlenecks
• Improving infrastructure and code-level efficiency
• Supporting OCI’s next-generation infrastructure initiatives

Key Responsibilities:

• Work with OCI service teams to identify and resolve performance bottlenecks.
• Perform in-depth system analysis across software and infrastructure layers.
• Lead design discussions to improve service performance and architecture.
• Deliver efficiency improvements that translate to tangible cost savings.
• Build internal tooling or frameworks for benchmarking, profiling, and optimization.
• Write clean, efficient, and well-tested code in Java and/or systems-level languages.
• Produce detailed reports and recommendations for service teams and leadership.
• Contribute to OCI's technical strategy on cloud infrastructure efficiency.

Minimum Qualifications:

• 10+ years of hands-on engineering experience in high-scale environments.
• Strong proficiency in Java (core development, tuning, debugging).
• Deep understanding of system-level performance (latency, throughput, memory).
• Experience working in Linux environments (as a developer, not sysadmin).
• Familiarity with containerized environments and OCI/Kubernetes-based deployments.
• Demonstrated experience with profiling tools, benchmarking, and performance optimization.
• Experience with distributed systems or cloud service architecture.
• Ability to work independently and collaborate with remote global teams.

Preferred Qualifications:

• Background in performance engineering roles (e.g., bottleneck analysis, profiling).
• Experience analyzing infrastructure cost vs. compute performance trade-offs.
• Familiarity with OCI or other major cloud providers (AWS, GCP, Azure).
• Understanding of Linux kernel behavior and low-level debugging.
• Systems programming experience in C/C++ is a plus.
• Track record of delivering efficiency gains in large-scale environments.elop, troubleshoot and debug software programs for databases, applications, tools, networks etc.

Responsibilities

As a member of the software engineering division, you will take an active role in the definition and evolution of standard practices and procedures. You will be responsible for defining and developing software for tasks associated with the developing, designing and debugging of software applications or operating systems.

Qualifications

Career Level - IC4

About Us

As a world leader in cloud solutions, Oracle uses tomorrow’s technology to tackle today’s challenges. We’ve partnered with industry-leaders in almost every sector—and continue to thrive after 40+ years of change by operating with integrity.

We know that true innovation starts when everyone is empowered to contribute. That’s why we’re committed to growing an inclusive workforce that promotes opportunities for all.

Oracle careers open the door to global opportunities where work-life balance flourishes. We offer competitive benefits based on parity and consistency and support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs.

We’re committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing accommodation-request_mb@oracle.com or by calling +1 888 404 2494 in the United States.

Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.