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Principal Software Developer Oracle Database (Virtual Operating System) About the Team Join Oracles Virtual Operating System (VOS) team, the engineers behind the portable, high-performance platform that underpins Oracle Database across a wide range of hardware and deployment environments. Within VOS, the Inter-Process Communication (IPC) group builds the distributed communication, coordination, and execution foundations that enable Oracle RAC, Exadata, and other flagship database capabilities to scale with exceptional performance, availability, and reliability. The team operates deep in the database stack, working across process lifecycle management, shared-memory and message-based communication, remote direct memory access (RDMA), and cluster-wide coordination. Our focus is on building infrastructure that is fast, effective, diagnosable, and robust under extreme scale, while remaining adaptable to evolving workloads and hardware platforms. Opportunities You Will Get In this role, you will design and deliver foundational systems at the intersection of operating systems, networking, and distributed data processing. Your work will focus on enabling efficient, scalable data movement and coordination inside the database as below: Design cluster-level synchronization and coordination mechanisms using low-latency communication, atomic operations, and shared state. Build and integrate high-throughput, low-latency data ingestion and streaming paths into the database runtime. Enable efficient interoperability between the database and external data systems or execution engines through well-defined protocols and access paths. Optimize bulk and streaming data transfer using modern data representations and RPC mechanisms. Develop system-level telemetry and instrumentation to support observability, performance analysis, and operational diagnostics. Contribute to reliability engineering, resource efficiency, and end-to-end performance tuning across distributed, multi-process s .
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.