TiDB, powered by PingCAP Logo

TiDB, powered by PingCAP

Principal Software Engineer - Optimizer

Posted 18 Days Ago
Be an Early Applicant
Easy Apply
Remote
Hiring Remotely in United States
Expert/Leader
Easy Apply
Remote
Hiring Remotely in United States
Expert/Leader
The Principal Engineer will lead the architectural vision for the TiDB optimizer, focusing on query optimization and enhancing the performance of the TiDB database, employed by large organizations globally.
The summary above was generated by AI

Join us as we scale our business by building on our tremendous success around the world. The massive database market is going to double over the next few years (the IDC estimates it to be $119B+ by 2025) and TiDB is a global player positioned as a major disruptor with TiDB Database and Database as a Service offering.  TiDB is an open-source, cloud-native, distributed SQL database for elastic scale and real-time analytics. Large and high-growth organizations in markets as varied as financial services, logistics, gaming, e-commerce and software as a service have successfully deployed and expanded their TiDB footprint on mission-critical applications. Our strong open-source community roots (37,000+ stars on GitHub), innovative products and inclusive culture draw passionate and dedicated people to our company. Learn more about TiDB careers and join our team to be at the forefront of innovation and growth.

 
Role Overview
As a Principal Engineer on the TiDB Optimizer team, you will be a key technical leader responsible for the architectural vision and execution of our query optimization engine. Your work will directly impact the performance, reliability, and predictability of one of the most critical components of the TiDB database. You will tackle deep and complex challenges in query planning, cost-based optimization, and adaptive processing to ensure TiDB remains a world-class distributed SQL database for our global users. This is a high-impact role that offers the opportunity to shape the future of data infrastructure for thousands of companies.
 
Responsibilities 
  • 10+ years of experience in software development with a proven track record of designing, building, and shipping complex database systems or data-intensive distributed systems.
  • Extensive hands-on experience in the design and development of a database query optimizer (e.g., cost-based optimization, query rewrites, join ordering, cardinality estimation, statistics collection).
  • Strong expertise in concurrency, multithreading, and synchronization primitives.
  • Fluency in one or more of the following: C, C++, Go, Rust, or Java.
  • Experience developing in Unix/Linux environments.
 
Qualifications
  • Familiarity with existing query optimizer frameworks like Apache Calcite or GPORCA.
  • Practical experience with other database or data processing technologies such as Oracle, SQL Server, PostgreSQL, MySQL, Flink, or Spark.
  • Tackle some of the most challenging problems in distributed databases and query optimization.
  • Your work will be critical to the performance of thousands of TiDB clusters worldwide.
  • Join a world-class team of database kernel engineers and be a recognized technical leader.
  • Contribute to a leading open-source project with a vibrant and active community.

We encourage people from underrepresented groups to apply. Come advance with us! In keeping with our values, no employee or applicant will face discrimination/harassment based on: race, color, ancestry, national origin, religion, age, gender, marital domestic partner status, sexual orientation, gender identity, disability status, or veteran status. TiDB also strives to prevent other, subtler forms of inappropriate behavior (e.g., stereotyping) from ever gaining a foothold in our organization. Whether blatant or hidden, barriers to success have no place at TiDB.

Top Skills

Apache Calcite
C
C++
Flink
Go
Gporca
Java
Linux
MySQL
Oracle
Postgres
Rust
Spark
SQL Server
Unix

Similar Jobs

5 Hours Ago
Remote or Hybrid
California, USA
76K-90K Annually
Junior
76K-90K Annually
Junior
Cloud • Fintech • Information Technology • Machine Learning • Software • App development • Generative AI
The Mid-Market Sales Executive is responsible for selling BlackLine's SaaS platform, managing pipeline, achieving sales quotas, and developing client relationships.
Top Skills: Finance/Accounting SoftwareSaaSSalesforce
13 Hours Ago
Remote or Hybrid
New Hampshire, USA
Junior
Junior
AdTech • Digital Media • Marketing Tech
Develops and maintains local client relationships for advertising, analyzes market research, generates ad sales revenue, and provides marketing support.
Top Skills: AdvertisingClient Relationship ManagementDigital ToolsMarket ResearchMedia Sales
13 Hours Ago
In-Office or Remote
Washington, DC, USA
172K-271K Annually
Senior level
172K-271K Annually
Senior level
Cloud • Information Technology • Productivity • Security • Software • App development • Automation
The Account Executive is responsible for managing strategic accounts, nurturing customer relationships, and leading cross-functional teams to enhance Atlassian's presence in the public sector, particularly within the Defense Industrial Base.
Top Skills: Analytic ToolsCRMPipeline Management

What you need to know about the Austin Tech Scene

Austin has a diverse and thriving tech ecosystem thanks to home-grown companies like Dell and major campuses for IBM, AMD and Apple. The state’s flagship university, the University of Texas at Austin, is known for its engineering school, and the city is known for its annual South by Southwest tech and media conference. Austin’s tech scene spans many verticals, but it’s particularly known for hardware, including semiconductors, as well as AI, biotechnology and cloud computing. And its food and music scene, low taxes and favorable climate has made the city a destination for tech workers from across the country.

Key Facts About Austin Tech

  • Number of Tech Workers: 180,500; 13.7% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Dell, IBM, AMD, Apple, Alphabet
  • Key Industries: Artificial intelligence, hardware, cloud computing, software, healthtech
  • Funding Landscape: $4.5 billion in VC funding in 2024 (Pitchbook)
  • Notable Investors: Live Oak Ventures, Austin Ventures, Hinge Capital, Gigafund, KdT Ventures, Next Coast Ventures, Silverton Partners
  • Research Centers and Universities: University of Texas, Southwestern University, Texas State University, Center for Complex Quantum Systems, Oden Institute for Computational Engineering and Sciences, Texas Advanced Computing Center

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account