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Sql developer Jobs in Hamilton, ON

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Sql developer • hamilton on

Last updated: 22 hours ago
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Senior SQL Engineer

Senior SQL Engineer

SuperAnnotateAncaster, 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: 22 hours ago
Staff Software Developer

Staff Software Developer

Thermo Fisher ScientificBurlington, Ontario, Canada
Full-time
Laboratory Setting Office Some degree of PPE (Personal Protective Equipment) required (safety glasses gowning gloves lab coat ear plugs etc. As part of the Thermo Fisher Scientific team youll discov...Show moreLast updated: 3 days ago
Senior Developer

Senior Developer

Lorven TechnologiesCanada, Ontario, Canada
Full-time
Location : Ontario, Canada (Onsite).IT, with a broad exposure to different platforms and technologies.SQL Coding and querying skills. UNIX scripting, FTP and basic network principles.Experience in pr...Show moreLast updated: 30+ days ago
Industrial Windows Application Developer

Industrial Windows Application Developer

CB CanadaBurlington, Ontario, Canada
Full-time
Industrial Windows Application Developer.PROCOM KW is currently searching for an Industrial Windows Application Developer for our client in the software industry. Industrial Windows Application Deve...Show moreLast updated: 30+ days ago
Senior Software Developer

Senior Software Developer

Bentley SystemsBurlington, ON, CA
Remote
Full-time
As a Senior Software Developer with a diverse skill set spanning.NET, C#, MVC, VB, JavaScript, HTML 5, jQuery, Web API, Web Services, Windows Services, REST API, SQLite, and Cloud Technologies, you...Show moreLast updated: 30+ days ago
Systems Developer - Guidewire

Systems Developer - Guidewire

Co-operatorsHamilton, ON, CA
Full-time
We are a leading Canadian financial services co‑operative committed to being a catalyst for a sustainable and resilient society and our team is essential to deliver on this strategy.That’s why we p...Show moreLast updated: 2 days ago
Talend Developer (Azure Data Factory,SQL,ETL)

Talend Developer (Azure Data Factory,SQL,ETL)

Arthur Grand Technologies IncBurlington, Ontario, Canada
Full-time
Talend and Azure Data Factory (ADF) SQL expertise.Snowflake data integration data quality and data governance principles troubleshooting and root cause analysis data-oriented approach.Hands-on expe...Show moreLast updated: 4 days ago
Software Developer

Software Developer

Rogers CommunicationsHamilton, ON, CA
Full-time +1
Our Technology team wakes up every day with one goal in mind - connecting Canadians to the people and things that matter most. Together, we are proud to support 30 million Canadians each month throu...Show moreLast updated: 25 days ago
Software Developer

Software Developer

RogersHamilton, Ontario, Canada
Full-time +2
Our Technology team wakes up every day with one goal in mind - connecting Canadians to the people and things that matter most. Together, we are proud to support 30 million Canadians each month throu...Show moreLast updated: 28 days ago
  • Promoted
Full Stack Developer

Full Stack Developer

TreowGroup RecruitmentDundas, ON, Canada
Full-time
Hamilton-based client, is seeking a.The Full Stack Developer will play a critical role in maintaining and enhancing existing systems, supporting the development of new modules and applications, and...Show moreLast updated: 30+ days ago
Analytics Programmer / Analyst –.NET & SQL

Analytics Programmer / Analyst –.NET & SQL

ROSSHamilton, ON, CA
Full-time
A leading medical instruments manufacturer in Hamilton is seeking a developer to create and maintain business applications. The successful candidate will have strong SQL Server skills and experience...Show moreLast updated: 25 days ago
Full-Stack Developer – Java E-Commerce Platform (AWS / Linux)

Full-Stack Developer – Java E-Commerce Platform (AWS / Linux)

Yoush ConsultingBurlington, ON, ca
Full-time
Quick Apply
Our client, a national leader in imaging and photo retail solutions, needs a Full-Stack developer to support their core e-commerce platform. Java-based back-end development.This position is suitable...Show moreLast updated: 5 days ago
Software Developer

Software Developer

Rogers Communications, Inc.Hamilton, ON, CA
Full-time +1
Our Technology team wakes up every day with one goal in mind - connecting Canadians to the people and things that matter most. Together, we are proud to support 30 million Canadians each month throu...Show moreLast updated: 27 days ago
  • Promoted
Business Systems Developer

Business Systems Developer

Grantek Systems IntegrationBurlington, ON, Canada
Full-time
From concept to design to execution,.Do you want to have an impact on creating products from today’s top brands? Does having a company care about your career today and into the future motivat...Show moreLast updated: 6 days ago
  • Promoted
Senior Software Engineer - AI &.NET Platforms - boostCX

Senior Software Engineer - AI &.NET Platforms - boostCX

Banyan SoftwareBurlington, ON, Canada
Full-time +1
Banyan Software provides the best permanent home for successful enterprise software companies, their employees, and customers. We are on a mission to acquire, build and grow great enterprise softwar...Show moreLast updated: 30+ days ago
Senior Software Developer

Senior Software Developer

EvertzBurlington, Halton Region, CA
Full-time
We are seeking a Senior Software Design Engineer with deep expertise in real‑time media systems, audio / video compression, and high-performance software development. The role focuses on building scal...Show moreLast updated: 9 days ago
ASP.NET Software Developer - Career Growth & Training

ASP.NET Software Developer - Career Growth & Training

Gerrie Electric Wholesale Ltd.Burlington, Halton Region, CA
Full-time
A leading electrical distributor in Canada is seeking an ASP.NET Software Developer to design and maintain software applications and APIs. Candidates should have strong skills in.NET, C#, and Visual...Show moreLast updated: 3 days ago
Technology Developer

Technology Developer

Dynamic ConnectionsBurlington, Ontario, Canada
Full-time +1
Dynamic Connections is a leading North American third-party logistics company that provides integrated solutions for our customers. Dynamic Connection creates sells and executes intelligent logistic...Show moreLast updated: 2 days ago
  • Promoted
Senior Software Developer

Senior Software Developer

Evertz Microsystems LimitedBurlington, ON, Canada
Full-time
We are seeking a Senior Software Design Engineer with deep expertise in real-time media systems, audio / video compression, and high-performance software development. You will play a critical role in ...Show moreLast updated: 30+ days ago
People also ask
Senior SQL Engineer

Senior SQL Engineer

SuperAnnotateAncaster, Ontario, CA
22 hours 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.