Principal Data Systems Software Engineer

Oracle; India; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Oracle is seeking a Principal Data Systems Software Engineer in India to own data models across OLTP/OLAP, JSON, spatial, and graph data. You will drive performance budgets, optimize queries, and lead the design of scalable services and APIs while collaborating with product managers and UX to run experiments and analyze adoption and retention.

You will mentor engineers, guide developments through full SDLC, and implement comprehensive testing, monitoring, and security practices to ensure

Qualifications

• Proficient in C++ programming and design of distributed systems.
• Experience with query optimization for large-scale databases.
• Strong understanding of data modeling and performance tuning.

Responsibilities

• Own data model for OLTP/OLAP workloads.
• Define performance budgets and ensure latency targets at scale.
• Collaborate with PM to design experiments to drive adoption and roadmap.
• Lead design and implementation of robust services and APIs.
• Mentor engineers on software architecture and coding standards.
• Drive automated testing, observability, and performance profiling.

Skills

C++ Programming Language

Distributed Systems

Query Optimization

Job description

Principal Data Systems Software Engineer

• India
• PUNE, MAHARASHTRA, India
• BENGALURU, KARNATAKA, India
• HYDERABAD, TELANGANA, India
• NOIDA, UTTAR PRADESH, India
• Job Identification 340283
• Job Category Product and Research
• Posting Date 10/29/2026, 06:58 AM
• Job Type Regular Employee
• Does this position require a security clearance? No
• Years 6 to 10+ years
• Additional Info Visa / work permit sponsorship is not available for this position
• Applicants are required to read, write, and speak the following languages English

Job Description

Owns feature areas with measurable business impact. Designs application services and schemas spanning Online Transaction Processing and Online Analytical Processing, JSON, spatial, and graph data models. Leads debugging across services and database layers; optimizes query and API performance to meet service-level agreements. Drives automated testing coverage and performance baselines; collaborates with product management and user experience to run experiments and analyze adoption and retention.

Responsibilities

Key Responsibilities

Data Systems Software Development:

Own a feature area’s data model across Online Transaction Processing/Online Analytical Processing, JSON, spatial, or graph.

Define performance budgets and enforce query patterns that meet latency targets at scale.

Partner with product management to design experiments that drive adoption, conversion, and retention; analyze results to inform roadmap.

Architects existing and complex new services.

Software Development and Coding – Design, Testing, and Optimization:

Designs software solutions and analyzes and identifies requirements to achieve business and operational goals, sharing results with manager upon completion.

Adheres to and improves execution of all phases of the software development lifecycle; provides guidance and coaching to engineers to drive improvements.

Utilizes advanced knowledge to develop and guide new software features and enhancements leading design specifications, ensuring accessibility, and develops documents to clarify software design and code.

Leads code reviews in multiple areas to help drive improvements.

Conducts debugging and troubleshooting to identify and fix complex software issues.

Develops fixes for identified issues.

Implements comprehensive software testing (e.g., functional and non-functional testing), quality assurance processes, software error logging, monitoring, and observability for effective debugging, sharing work with manager and/or lead upon completion.

Conducts performance profiling and optimization of coding, building scalable solutions, and anticipating and resolving potential outcomes.

Troubleshoots and resolves complex issues related to application programming interface (API) functionality and integration.

Implements complex API versioning, lifecycle, and interoperability strategies.

Software Architecture – Software System Structural Design:

Implements and contributes to developing software, systems, and services, ensuring review by manager and/or senior technical leaders upon completion. Recommends project or design scope.

Provides technical guidance and coaching to less experienced developers in existing software architecture.

Contributes to periodic reviews and ensures adherence to architectural standards.

Collaborates with stakeholders and networks externally to ensure work aligns with software architecture.

Implements complex performance optimization and scalability strategies in software design.

Occasionally conducts technology research and evaluation for potential architectural changes that may have an impact on results for the team.

Issue/Defect Collaboration – Software Products Support:

Collaborates with stakeholders to understand customer issues and align solutions.

May provide advanced technical guidance and support to customers regarding customer-reported issues.

Advocates for customers' interests and suggests product enhancements based on feedback.

Provides input to ensure customer satisfaction through timely resolution of issues and effective communication.

Identifies and implements customer issue and/or defect handling and training processes.

Investigates and troubleshoots complex and broad reaching/scoped maintenance issues to ensure customer agreement on short- and long-term solutions (e.g., future enhancements).

Practices and Standards Compliance – Security and Compliance:

Collaborates with the team and externally to follow development practices and coding standards, providing coaching to less experienced team members.

Participates in peer review processes, provides technical leadership, and ensures code quality and adherence to broad acceptance criteria during development, independently.

Demonstrates and shares advanced knowledge of industry best practices and applies them to software development processes.

Implements complex secure coding practices to prevent security vulnerabilities.

Development Operations – System Maintenance:

Performs periodic maintenance and testing operations for systems that require upgrading or patching (e.g., for critical vulnerabilities), sharing results with manager upon completion.

Drives improvements, ensures automation, testing, and debugging of systems to ensure service/product availability, health, support, and reliability.

Core Responsibilities

Planning & Execution:

Manages and coordinates moderately complex tasks, monitoring timelines and deliverables to ensure timely completion and adherence to requirements for a moderately sized project or initiative.

Efficiently delegates, monitors, and prioritizes work across multiple projects, providing technical oversight and adjusting plans to address shifts in resources or timelines.

Collaborates across the organization to align on expectations and achieve shared objectives.

Leverages understanding of business leaders, stakeholders, and/or customers to ensure proposed solutions meet their needs.

Supports inclusivity by actively seeking and listening to diverse perspectives, ensuring others feel heard and respected.

Problem Solving:

Identifies and addresses moderately complex issues by analyzing a wide range of data and/or information to identify solutions in accordance with standard practices.

Proactively escalates unresolved or critical issues with a thorough assessment and suggests potential solutions.

Reviews, contributes to, and documents problem solving strategies.

Pursues learning opportunities to expand knowledge and skills and/or tools in new areas and stays abreast of the latest industry trends and best practices.

Proactively seeks and leverages ongoing feedback and training to improve skills.

Coaches and mentors junior team members, fostering continuous learning and knowledge sharing within and across teams.

Develops ideas, recommends updates, and/or collaborates on the implementation of process improvements to increase the efficiency and effectiveness of processes, protocols, and workflows across teams, and evaluates the impact on key stakeholders.

Solicits feedback from others on ideas for alternative approaches and methods for continued improvement.

Performance and Development:

Contributes to the talent development pipeline by participating in candidate interviews, assessing candidates, and providing hiring recommendations.

Qualifications

Required Skills

• C Programming Language
• C++ Programming Language
• Distributed Systems
• Query Optimization

About Us

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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