Senior Principal Developer/Architect (OCI)

Oracle

Oracle

Software Engineering, IT
Serbia
Posted on Dec 9, 2025

At Oracle Cloud Infrastructure (OCI), we’re building the future of cloud for enterprises by a diverse team of creators and innovators. We combine customer focus with the agility and scale of a leading enterprise software company.

Our values are the foundation of everything we do. We foster equity, inclusion, and respect. We prioritize doing the right thing for our customers, our colleagues, and our community. We’re committed to continuous learning, growth, and pushing boundaries to build the future.

You are the builder here. You’ll join a team of smart, motivated, and diverse engineers, empowered with autonomy and support to do your best work. OCI offers a dynamic, flexible, and inclusive environment where your contributions matter.

As a Senior Principal Software Developer, you’ll provide technical leadership to the multi-cloud team. You’ll design, build, and operate highly distributed, large-scale cloud services that are secure, reliable, and scalable. You will be expected to define architecture of complex systems, deliver high-quality technical solutions and code, and mentor others across teams.

Our Senior Principal engineers lead by example: you work independently, communicate effectively, and influence engineering direction through sound technical judgment. You balance speed and quality, proactively advocate for operational excellence, and raise the bar for design, testing, and delivery practices. You drive innovation, make data-informed decisions, and influence roadmaps across multiple teams.

Qualifications
  • BS or MS degree in Computer Science or a related technical field, or equivalent practical experience
  • 10+ years of software development experience
  • Strong programming skills in Java, Go, C#, or other object-oriented languages
  • Proven experience delivering high-scale, distributed services in a production environment
  • Deep understanding of cloud infrastructure, networking, and system design
  • Experience operating mission-critical, Tier-1 live services
  • Excellent problem-solving, communication, and leadership skills
  • Demonstrated ability to influence architectural direction and engineering best practices

Preferred Qualifications

  • Domain expertise in building and operating services on public cloud platforms (OCI, AWS, Azure, GCP).
  • Knowledge of multi-region deployments and multi-AD/AZ architectures
  • Experience with containerization technologies and tools
  • Experience with translating customer needs into technical solutions and architectures
  • Experience with threat modeling, secure software development practices, and compliance frameworks
  • Experience in collaboration with large enterprise customers
Responsibilities
  • Lead architecture, design, and development of scalable cloud-native multi-cloud services
  • Drive engineering best practices and mentor other engineers across teams
  • Collaborate cross-functionally to define technical direction and influence product strategy
  • Ensure high availability, security, and performance of mission-critical services
  • Champion operational excellence through proactive monitoring, testing, and incident response
  • Contribute to a culture of innovation, ownership, and continuous improvement


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.


Senior Principal Developer/Architect (OCI)

Career Level - IC5


As a member of the software engineering division, you will take an active role in the definition and evolution of standard practices and procedures. Define specifications for significant new projects and specify, design and develop software according to those specifications. You will perform professional software development tasks associated with the developing, designing and debugging of software applications or operating systems.