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Sql data analyst Jobs in Rancho Cucamonga, CA

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Sql data analyst • rancho cucamonga ca

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Remote Senior SQL Engineer - AI Trainer

SuperAnnotateOntario, California, US
Remote
Full-time

As a Senior SQL Engineer, you will work remotely on an hourly paid basis to review AI-generated SQL queries, database designs, and data-processing logic, as well as generate high-quality reference ...Show more

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateChino, California, US
Remote
Full-time

As a Senior SQL Engineer, you will work remotely on an hourly paid basis to review AI-generated SQL queries, database designs, and data-processing logic, as well as generate high-quality reference ...Show more

Project Analyst

Quanta ServicesOntario, CA, United States
Full-time

PAR Western Line Contractors, LLC (dba QUES), a subsidiary of Quanta Services, Inc.NYSE: PWR), is composed of some of the most highly qualified professionals experienced in all aspects of engineeri...Show more

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateClaremont, California, US
Remote
Full-time

As a Senior SQL Engineer, you will work remotely on an hourly paid basis to review AI-generated SQL queries, database designs, and data-processing logic, as well as generate high-quality reference ...Show more

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateMontclair, California, US
Remote
Full-time

As a Senior SQL Engineer, you will work remotely on an hourly paid basis to review AI-generated SQL queries, database designs, and data-processing logic, as well as generate high-quality reference ...Show more

Program/Project Analyst

Cynet SystemsFontana, CA, United States
Full-time

Responsibilities: Schedule and coordinate main panel upgrade (mpu) disconnect/reconnect activities.Show more

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateUpland, California, US
Remote
Full-time

As a Senior SQL Engineer, you will work remotely on an hourly paid basis to review AI-generated SQL queries, database designs, and data-processing logic, as well as generate high-quality reference ...Show more

Senior Financial Analyst

Harrington Process SolutionsChino, CA, United States
Full-time

Harrington Financial Reporting Role.Founded in 1959 and headquartered in Chino, California, Harrington has grown to be a leading distributor of fluid process products and solutions for industrial a...Show more

Remote Econometric Data Analyst (Stata SE)

Micro1Fontana, California, US
Remote
Full-time

Econometric Data Analyst (Stata SE).Real-world expertise is turned into training data, evaluations, and feedback loops that improve how models perform.AI labs and enterprises use micro1 to train mo...Show more

 • Promoted

Financial Analyst

Synergy StaffingRancho Cucamonga, CA, United States
Full-time

We are looking for an experienced Senior Financial Analyst to join our team.In this role, you will support the Controller by overseeing key financial activities, including reporting, analysis, and ...Show more

Analyst-Business 3 (Business Operations Analyst)

First TekChino, CA, United States
Full-time

Business Operations Analyst Primary Duties Business & Operational Analysis.Analyze business operations, workflows, and processes to identify gaps, inefficiencies, risks, and improvement opportuniti...Show more

Analyst Safety

UtiliQuest, LLC.Upland, California
Full-time

Discover a more connected Analyst Safety career At VCI Construction as a Analyst Safety, you’ll be responsible for ensuring personnel compliance with company safety policies as well as Local, State...Show more

BSA Analyst

Chino Commercial BankChino, CA, United States
Full-time

Join Our Team at Chino Commercial Bank.We welcome you to join our Chino Commercial Bank team! We are currently seeking for a qualified BSA Analyst who is passionate, driven, collaborative, and solu...Show more

HR Analyst

Operation Support IncRancho Cucamonga, CA, US
Part-time

In this role, you will gather and report on qualitative and quantitative hiring and employment data, providing the company with valuable insights and maximizing the efficiency of our HR department....Show more

Manager, Data Reporting and Analytics - SCAL (Epic, Oracle, SQL, SAS, Teradata, MS SQL Server)

Kaiser PermanenteFontana, CA, Flexible, Full-time, Day
Full-time

This manager level position is primarily responsible for managing strategic data-informed decisions, managing data and information collection on targeted variables in an established systematic fash...Show more

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateRancho Cucamonga, California, US
Remote
Full-time

As a Senior SQL Engineer, you will work remotely on an hourly paid basis to review AI-generated SQL queries, database designs, and data-processing logic, as well as generate high-quality reference ...Show more

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateFontana, California, US
Remote
Full-time

As a Senior SQL Engineer, you will work remotely on an hourly paid basis to review AI-generated SQL queries, database designs, and data-processing logic, as well as generate high-quality reference ...Show more

Account Analyst

KeHE Distributors, LLCOntario, CA, United States
Full-time

Flexible and health spending accounts (FSA/HSA).Short term & long term disability coverage (STD/LTD).Employee stock ownership (ESOP).Holiday pay for company designated holidays.At KeHE, we're obses...Show more

Analyst-Business 3 (Business Operations Analyst)

CenergyChino, CA, United States
Full-time

Business Operations Analyst Primary Duties Business & Operational Analysis Analyze business operations, workflows, and processes to identify gaps, inefficiencies, risks, and improvement opportuniti...Show more

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Remote Senior SQL Engineer - AI Trainer

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateOntario, California, US
30+ days ago
Job type
  • Full-time
  • Remote
Job description

As a Senior SQL Engineer, you will work remotely on an hourly paid basis to review AI-generated SQL queries, database designs, and data-processing logic, as well as generate high-quality reference solutions and explanations for complex data problems. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology, query structure, indexing strategy, or conceptual understanding; fact-check data-related claims; write clear, step-by-step explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness, performance, and reasoning quality.

This is a fully remote, hourly paid contractor role with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model labs. Your SQL and database engineering expertise will directly contribute to improving the world’s premier AI models used across industries.

Key Responsibilities :

  • Develop AI Training Content : Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance : Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity : Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile :

  • Bachelor’s degree or higher in Computer Science, Information Systems, Engineering, Mathematics, or a closely related technical field.
  • 7+ years of professional experience working with SQL in production environments as a Database Engineer, SQL Developer, Data Engineer, or similar role.
  • Expert-level proficiency in SQL, including complex joins, window functions, aggregation strategies, and query plan analysis.
  • Demonstrated experience with database performance tuning, indexing strategies, and troubleshooting concurrency or locking issues.
  • Hands-on experience designing relational data models, schemas, and data warehouse structures (star and snowflake schemas).
  • Strong experience with ETL / ELT processes and tooling, as well as working with large-scale data in modern cloud or on-prem data platforms.
  • Minimum C1 English proficiency (written and spoken), with the ability to write clear technical explanations and follow detailed English-language guidelines.
  • Comfort with version control, CI / CD practices, and collaborative workflows for managing database changes.
  • Previous experience with AI data training, annotation, or evaluating AI-generated technical content is a strong plus.
  • Highly detail-oriented and systematic, with a methodical approach to evaluating reasoning quality and identifying subtle data or query issues.