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Sql developer Jobs in Niagara Falls, ON

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Sql developer • niagara falls on

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

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateWelland, 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
.NET Developer - AI & Agent Enablement

.NET Developer - AI & Agent Enablement

KPMG CanadaSt. Catharines, Niagara Region, CA
Full-time
At KPMG, you’ll join a team of diverse and dedicated problem solvers, connected by a common cause turning insight into opportunity for clients and communities around the world.NET Developer with st...Show moreLast updated: 21 days ago
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  • New!
Controller – Construction Operations

Controller – Construction Operations

NPA WorldWideNiagara Falls Central, Ontario, Canada
Full-time +1
This company is a leading developer of advanced power systems, including transformers, inductors, capacitors and power supplies for multiple industries (medical, industrial, commercial, military, ...Show moreLast updated: 10 hours ago
Senior Product Manager (GTM Strategy)

Senior Product Manager (GTM Strategy)

mParticleRemote, Ontario Canada
Remote
Full-time
The Successful candidate will : .Product GTM : Spearhead product launches with meticulously planned go-to-market strategies, ensuring seamless orchestration and measurable impact.Drive Product Adoptio...Show moreLast updated: 30+ days ago
Oracle OTM Developer / Designer

Oracle OTM Developer / Designer

Juventus ConsultingOntario
Full-time
This contract opportunity is for 5 months, the end client is in BC, with locations in Memphis, TN.Per Diem expenses range from 60 to 100 USD, depending on travel location.Some remote work is possib...Show moreLast updated: 30+ days ago
Data Analyst Co-op

Data Analyst Co-op

RIDLEY COLLEGESt. Catharines, ON
Full-time
Respond with prompt first-person customer service;.Responsible for completing data requests for various stakeholders;.Collaborate with various areas of the school to build data marts to assist with...Show moreLast updated: 7 days ago
Online Survey Researcher (Work-at-Home)

Online Survey Researcher (Work-at-Home)

FocusGroupPanelNiagara Falls, Ontario, Canada
Remote
Part-time
Work From Home, Entry Level Data Entry Clerk As A Research Participant.We are looking for people who want to work remotely from home. You'll need an Internet connection and a mobile device or comput...Show moreLast updated: 27 days ago
Senior Developer (Data)

Senior Developer (Data)

Farm Credit CanadaVarious FCC office s in Ontario may be considered
Full-time
Salary Range (plus eligible to receive a performance based incentive, applicable to position) : .Experienced data developer needed. Using your experience in Agile Scrum methodology and AWS data pipel...Show moreLast updated: 30+ days ago
Building Manager Live-IN

Building Manager Live-IN

Chad Management GroupWelland, Niagara Region, CA
Full-time
Our Client is a very prestigious Property Developer in the Toronto area.We are Looking for a Live in Building Manager Couple to Join this team. Familiar with all aspects of building operation.Strong...Show moreLast updated: 30+ days ago
iOS Developer Intern / Co-op (Remote)

iOS Developer Intern / Co-op (Remote)

TorontoJobsREMOTE, ON
Remote
Part-time +1
OS Developer Intern / Co-op (Remote).Guhuza is seeking an iOS Developer to join our remote team and contribute to the development of our iOS app. As an iOS Developer at Guhuza, you will play a cruci...Show moreLast updated: 30+ days ago
Sr. SharePoint Developer

Sr. SharePoint Developer

Medavie Blue CrossON, CA
Full-time +1
What makes us a different kind of employer?.As a national health solutions partner, Medavie is committed to improving the wellbeing of Canadians — and in our digital-first culture, technology is ke...Show moreLast updated: 30+ days ago
Front End Developer / Hybrid Remote #8906

Front End Developer / Hybrid Remote #8906

Employment Help CentreNiagara Falls, Niagara Region, CA
Remote
Full-time
MyBREB) was created to help streamline thesearch for real estate listings, housing supplies, and related services.MyBREB is a brand NEW powerful, revolutionary ONE-STOP community-based resource and...Show moreLast updated: 25 days ago
iOS Engineer III, Feeds / Business Experience

iOS Engineer III, Feeds / Business Experience

redditRemote, Ontario, Canada
Remote
Full-time
Reddit is a community of communities.It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote...Show moreLast updated: 30+ days ago
Software Developer

Software Developer

Meridian Credit UnionSt. Catharines, Niagara Region, CA
Full-time
Why Meridian? At Meridian our aspiration is to integrate our purpose into everything we do for people, the planet, and communities. We believe that our greatest opportunity is to create opportunity ...Show moreLast updated: 1 day ago
Web Developer

Web Developer

CB CanadaNiagara Falls, Ontario, Canada
Permanent
Our client designs, markets & sells highest performance consumer electronics that are smart, simple and stylish.From high fidelity turntables to wireless video connectivity systems, they create inn...Show moreLast updated: 30+ days ago
Course Developer - Managerial Decision Making (BUSI 401)

Course Developer - Managerial Decision Making (BUSI 401)

University of Niagara Falls CanadaNiagara Falls, Niagara Region, CA
Full-time
Direct message the job poster from University of Niagara Falls Canada.Talent Acquisition Advisor @ UNF │ Education, Tech & Startups. Course Developer - Managerial Decision Making (BUSI 401).Universi...Show moreLast updated: 30+ days ago
Software Developer

Software Developer

MeridianSt Catharines, ON L2SW3, CAN
Full-time
At Meridian our aspiration is to integrate our purpose into everything we do for people, the planet, and communities.We believe that our greatest opportunity is to create opportunity and meet peopl...Show moreLast updated: 8 days ago
Site Coordinator - Niagara Falls

Site Coordinator - Niagara Falls

AvertonNiagara Falls, ON, Canada
Full-time
Where design meets opportunity, and careers are built to last.Averton is an experienced and award-winning homebuilder, community developer and construction management company.We wear a lot of diffe...Show moreLast updated: 26 days ago
JPC - 1385 - IOS Developer

JPC - 1385 - IOS Developer

ITS GlobalOntario
Full-time
Our client is looking for an iOS Developer to join their team.Work on developing new features and enhancing existing features, bug fixes, maintaining / improving code coverage, modifying the code bas...Show moreLast updated: 30+ days ago
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Remote Senior SQL Engineer - AI Trainer

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateWelland, 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.