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Job Details


Senior Software Engineer - Presto Optimizer


Software Engineer


San Jose, California, United States

A career in IBM Software means you'll be part of a team that transforms our customers challenges into solutions.

We are seeking a skilled back-end developer to join our IBM Software team. As part of our team, you will be responsible for developing and maintaining high-quality software products, working with a variety of technologies and programming languages

Your Role and Responsibilities
We are seeking a skilled Software Engineer to join our team and work on the development and enhancement of the Presto Query Optimizer. As a Software Engineer specializing in query optimization, you will be instrumental in improving the core functionality of our Presto-based lakehouse platform. This role offers the opportunity to work on complex problems related to query planning and optimization within a high-performance, distributed query engine.

Key responsibilities:
  • Collaborate closely with the engineering team to design, develop, and maintain the Presto query optimizer.
  • Implement and enhance query optimization techniques, cost-based query planning, and rule-based optimizations within the Presto optimizer.
  • Analyze query execution plans, identify bottlenecks, and propose solutions to improve query performance.
  • Contribute to the development of features related to query optimization and provide solutions to complex SQL queries.
  • Participate in code reviews, testing, and debugging to ensure the reliability and efficiency of the query optimizer.
  • Keep abreast of the latest trends and advancements in query optimization, distributed systems, and database technologies.
  • Collaborate on documentation, knowledge sharing, and mentoring team members on query optimization best practices.

Required Technical and Professional Expertise
  • Strong programming skills in Java, C++, or other relevant languages for query optimization.
  • In-depth knowledge of query optimization techniques, query planning, and the internals of database systems.
  • Strong problem-solving skills and a passion for optimizing complex systems.

Preferred Technical and Professional Expertise
  • Proficiency with Presto or similar distributed query engines is a strong plus.
  • Previous experience in query optimization, database query processing, and query rewriting is highly advantageous.
  • Familiarity with performance analysis and profiling tools for query optimization.
  • Excellent communication and teamwork skills.

About Business Unit
IBM Software infuses core business operations with intelligence—from machine learning to generative AI—to help make organizations more responsive, productive, and resilient. IBM Software helps clients put AI into action now to create real value with trust, speed, and confidence across digital labor, IT automation, application modernization, security, and sustainability. Critical to this is the ability to make use of all data, because AI is only as good as the data that fuels it. In most organizations data is spread across multiple clouds, on premises, in private datacenters, and at the edge. IBM’s AI and data platform scales and accelerates the impact of AI with trusted data, and provides leading capabilities to train, tune and deploy AI across business. IBM’s hybrid cloud platform is one of the most comprehensive and consistent approach to development, security, and operations across hybrid environments—a flexible foundation for leveraging data, wherever it resides, to extend AI deep into a business.

Your Life @ IBM
In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

About IBM
IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 50 companies relying on the IBM Cloud to run their business. At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

Location Statement
IBM offers a competitive and comprehensive benefits program. Eligible employees may have access to:

- Healthcare benefits including medical & prescription drug coverage, dental, vision, and mental health & well being
- Financial programs such as 401(k), the IBM Employee Stock Purchase Plan, financial counseling, life insurance, short & long- term disability coverage, and opportunities for performance based salary incentive programs
- Generous paid time off including 12 holidays, minimum 56 hours sick time, 120 hours vacation, 12 weeks parental bonding leave in accordance with IBM Policy, and other Paid Care Leave programs. IBM also offers paid family leave benefits to eligible employees where required by applicable law
- Training and educational resources on our personalized, AI-driven learning platform where IBMers can grow skills and obtain industry-recognized certifications to achieve their career goals
- Diverse and inclusive employee resource groups, giving & volunteer opportunities, and discounts on retail products, services & experiences

The compensation range and benefits for this position are based on a full-time schedule for a full calendar year. The salary will vary depending on your job-related skills, experience and location. Pay increment and frequency of pay will be in accordance with employment classification and applicable laws. For part time roles, your compensation and benefits will be adjusted to reflect your hours. Benefits may be pro-rated for those who start working during the calendar year.

We consider qualified applicants with criminal histories, consistent with applicable law.

Being You @ IBM
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.