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Sql developer Jobs in Richmond Hill, ON

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Sql developer • richmond hill on

Last updated: 10 days ago
Remote Senior SQL Engineer - AI Trainer

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateNorth York, Ontario, CA
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 moreLast updated: 30+ days ago
Full Stack Developer (12 Month Contract)

Full Stack Developer (12 Month Contract)

Recruiting In MotionNorth York, ON
Full-time +1
We are seeking a Full Stack Developer to join a growing engineering team that builds and scales systems supporting school payments and activity fund management for thousands of schools and millions...Show moreLast updated: 19 days ago
Associate Developer

Associate Developer

Farber Debt SolutionsNorth York, Ontario, Canada
Full-time +1
Hybrid (North York) / Remote (Monthly office expectations) .Farber is one of Canada’s oldest, largest and most respected debt solution providers. We help Canadians get out of debt and start rebuildi...Show moreLast updated: 30+ days ago
Software Developer

Software Developer

ActalentConcord, Ontario, Canada
Full-time
Join our team as a Software Developer, where you will play a pivotal role in designing and developing advanced hardware and software solutions for one of the world's top life sciences companies.Col...Show moreLast updated: 13 days ago
SAP S / 4 HANA ABAP Developer

SAP S / 4 HANA ABAP Developer

AmicoRichmond Hill, ON, Canada
Full-time
The Amico group of companies is looking to fill the role of SAP Developer.We will only consider candidates who are prepared to work full-time, on-site. To join our growing team, please review the Re...Show moreLast updated: 30+ days ago
Lead Software Developer

Lead Software Developer

QA Consultants Inc.Markham, Ontario, Canada
Full-time
In just three decades, ALTEN has emerged as a global leader in Research and Development, Engineering, Information Technology Services, Life Sciences, and Network Services.Our footprint spans across...Show moreLast updated: 25 days ago
Software Developer - Full Stack

Software Developer - Full Stack

Randstad CanadaNorth York, Ontario, CA
Temporary
Quick Apply
We are seeking a Senior Full Stack Software Developer with 5+ years of experience to join an Agile delivery team.This role requires expert-level proficiency in the Google Angular Framework (version...Show moreLast updated: 10 days ago
Lead developer

Lead developer

Plan IT SearchMarkham, Ontario, Canada
Full-time
Ability to build and support strong internal relationships with crossfunctional departments.Excellent communication skills, both written and verbal. Strong PC skills are required (MS Office, SAP) an...Show moreLast updated: 30+ days ago
software developer

software developer

Korah LimitedMarkham, ON, CA
Full-time +1
Write, modify, integrate and test software code.Maintain existing computer programs by making modifications as required.Communicate technical problems, processes and solutions.Prepare reports, manu...Show moreLast updated: 26 days ago
Oracle HCM Developer

Oracle HCM Developer

BGISMarkham, ON, Canada
Full-time
The Oracle HCM Developer is responsible for designing, building, testing, and maintaining solutions within.This role supports ongoing operations, enhancements, integrations, reporting, and issue re...Show moreLast updated: 24 days ago
Informatica PowerCenter Developer - Snowflake, PostgreSQL

Informatica PowerCenter Developer - Snowflake, PostgreSQL

Astra North Infoteck Inc.Markham, ON, ca
Full-time
Quick Apply
Role Descriptions : Informatica| Snowflake| PostgreSQL.Essential Skills : Informatica| Snowflake| PostgreSQL.Skills : Informatica Powercentre~PostgreSQL~Digital : Snowflake. Experience (Years) : 4-6 Ess...Show moreLast updated: 25 days ago
GCP Developer

GCP Developer

AdastraMarkham, ON, CA
Full-time
Adastra is seeking a skilled GCP Developer to join our team.As a GCP Developer, you will be responsible for leveraging your expertise in Python, SQL, Apache Beam or Dataflow, and various GCP servic...Show moreLast updated: 30+ days ago
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Remote Senior SQL Engineer - AI Trainer

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateNorth York, Ontario, CA
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.