Principal Software Development Engineer
Oracle Tokyo, Japan (Hybrid)
We are looking for hands-on Principal Core Software Development Engineer with deep expertise in HPC, GPU infrastructure, and AI platform engineering to join our growing team. In this role, you will design and deploy large-scale accelerated computing solutions, lead customer engagements, and drive adoption of cutting-edge AI workloads on Oracle Cloud Infrastructure (OCI). This is an exceptional opportunity for someone with strong technical acumen, customer focus, and passion for cloud-native innovation.
As a Principal Core Software Development Engineer, you will be at the forefront of designing and implementing next generation accelerated computing and AI solutions on Oracle Cloud Infrastructure (OCI). You will engage directly with startup to strategic customers, helping them architect and deploy complex HPC and GPU clusters, AI platforms, and intelligent agentic solutions across POC and production environments. You will play a pivotal role in pre-sales technical consulting, solution engineering, and AI transformation strategy.
This is a highly visible and influential role, combining deep technical skills with a consultative approach to support from emerging AI Startups to Fortune 500 customers, develop scalable AI architectures, and contribute to Oracle’s strategic vision for cloud and AI adoption.
Key Responsibilities
Architect and deploy large-scale GPU/HPC infrastructure on OCI using tools like Terraform, Ansible, Slurm and Kubernetes.
Build automated solutions for cluster provisioning, software deployment, and infrastructure as code.
Collaborate with Oracle’s largest enterprise customers to define and tailor solutions that meet high-performance compute and AI requirements.
Support LLM-based solutions, agentic AI systems, and robotic AI platforms from design through deployment.
Act as a trusted technical advisor, guiding customers on best practices, cloud migration strategies, and deployment patterns.
Conduct customer training, workshops, and technical deep dives to enable successful cloud adoption.
Collaborate cross-functionally with product, support, and engineering to close technical gaps and influence product roadmaps.
Develop and share technical assets including competitive differentiators, code samples, demos, blogs, and white papers.
Identify and work with key AI Partners to support customer requirements from design to deployments.
Required Technical Skills
Hands-on expertise with GPU and HPC architecture in cloud and on-prem environments.
Proficiency in scripting and automation: Python, Bash, PowerShell, Terraform, Ansible.
Experience with cluster managers (SLURM, PBS, Bright), Kubernetes, and container orchestration.
Knowledge of RDMA, Infiniband, MPI, and distributed file systems.
Core Cloud Native experience
Familiarity with AI/ML platforms, large language models (LLMs), and inference serving stacks.
Business & Leadership Skills
5+ years in pre-sales, technical consulting, or customer-facing solution architecture.
Strong communication and presentation skills for both technical and executive audiences.
Passion for working with top-tier customers and partners to deliver innovative cloud solutions.
Ability to translate complex technical capabilities into business-aligned strategies.
Preferred Qualifications
Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or related field.
Demonstrated thought leadership through publications, speaking engagements, or community contributions.
Experience working with Oracle Cloud Infrastructure (OCI) or similar cloud platforms.
The Principal Core Software Development Engineer is responsible for leading the design, deployment, and support of large-scale AI, GPU, and HPC infrastructure solutions on Oracle Cloud Infrastructure (OCI). The role partners closely with customers throughout the entire engagement lifecycle, from solution architecture and Proof of Concept (POC) through production deployment, optimization, and ongoing operational support. As a trusted technical advisor, the engineer provides guidance on cloud-native architectures, Kubernetes, Slurm, AI platforms, automation, and best practices while working closely with Product Management, Engineering, Support, Sales, and partners to deliver successful customer outcomes. In addition, the role contributes to Oracle's technical leadership by developing reusable assets, automation, reference architectures, and technical enablement content that accelerate customer adoption and strengthen Oracle's position in AI and cloud infrastructure.
Career Level - IC4
Only Oracle brings together the data, infrastructure, applications, and expertise to power everything from industry innovations to life-saving care. And with AI embedded across our products and services, we help customers turn that promise into a better future for all. Discover your potential at a company leading the way in AI and cloud solutions that impact billions of lives.
True innovation starts when everyone is empowered to contribute. That’s why we’re committed to growing a workforce that promotes opportunities for all with competitive benefits that 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.
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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.
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