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Pl sql developer Jobs in Waterloo, ON

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Pl sql developer • waterloo on

Last updated: 3 days ago
Remote Senior SQL Engineer - AI Trainer

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateKitchener, 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: 21 days ago
Mobile Developer

Mobile Developer

Cloud DX, Inc.Kitchener, Ontario, Canada
Full-time
Collaborate on the development and execution of new features for our mobile applications and SDKs.Share your technical expertise and contribute to shaping best practices in mobile development.Work ...Show moreLast updated: 28 days ago
Software Developer

Software Developer

airfairness, Inc.Kitchener, Region of Waterloo, CA
Full-time
Airfairness is a Canadian travel tech company helping air passengers get the compensation they deserve when flights are delayed, cancelled, or rerouted. Most travellers don’t know their rights or ho...Show moreLast updated: 30+ days ago
Software Developer

Software Developer

CarekwKitchener, Region of Waterloo, CA
Full-time
Opportunity with a growing tech startup.The ideal candidate is passionate about building high-quality products, solving complex problems, and working with a modern tech stack.On-site (no remote or ...Show moreLast updated: 3 days ago
Full Stack Engineer

Full Stack Engineer

BusPlanner Inc.Waterloo, Region of Waterloo, CA
Full-time
We’re looking for a Fullstack Developer with strong experience in C++ and.NET to help build and maintain our flagship platform, BusPlanner Pro, and related web-based tools.The ideal candidate will ...Show moreLast updated: 30+ days ago
  • Promoted
Progress Developer

Progress Developer

Insight GlobalSt. Jacobs, ON, Canada
Full-time
Insight Global is hiring a Level 2 Analyst / Programmer with strong expertise in Progress OpenEdge 12.Canada’s largest independent retailers. This is a critical role on a team currently undergoing a m...Show moreLast updated: 17 days ago
Firmware Developer

Firmware Developer

Blackline SafetyWaterloo, ON, CA
Full-time
Quick Apply
Our team at Blackline Safety is growing! As a people-driven technology company, with a mission to make sure every worker returns home safely, we drive innovation, practice resiliency, demonstrate l...Show moreLast updated: 15 days ago
  • Promoted
Software Developer

Software Developer

VolteraWaterloo, ON, Canada
Full-time
Voltera is a rapidly scaling technology company that has been driving change in the additive electronics industry since 2013. Our tools help the worlds most innovative minds solve previously unsolva...Show moreLast updated: 6 days ago
Full Stack Developer

Full Stack Developer

ThinkoutsidethevalleyKitchener, Ontario, Canada
Full-time
One of our companies is looking for creative intelligent and resourceful individuals to join our growing development team. From re-engineering old IT to building fresh agile software they specialize...Show moreLast updated: 30+ days ago
Java Software Developer

Java Software Developer

CB CanadaKitchener, Ontario, Canada
Temporary
Procom KW is seeking an intermediate level Java Software Developer for a long term contract role with one of our clients in manufacturing sector. Java Software Developer Job details.As a Java Softwa...Show moreLast updated: 30+ days ago
  • Promoted
Full Stack Engineer

Full Stack Engineer

BusPlannerWaterloo, ON, Canada
Full-time
We’re looking for a Fullstack Developer with strong experience in C++ and.NET to help build and maintain our flagship platform, BusPlanner Pro, and related web-based tools.The ideal candidate...Show moreLast updated: 30+ days ago
  • Promoted
Senior SQL Developer

Senior SQL Developer

Targeted TalentWaterloo, ON, Canada
Permanent
We are looking for an experienced.Our client is a large fintech firm with a product that you've likely used many times before. You'll have the opportunity to work on an extremely large, inte...Show moreLast updated: 30+ days ago
  • Promoted
Software Developer

Software Developer

MappedinWaterloo, ON, Canada
Full-time
Mappedin is the leading indoor mapping platform transforming the way venues are experienced, managed, and understood.Built for scale and trusted by the world’s biggest brands, our AI-powered ...Show moreLast updated: 30+ days ago
Full-Stack Developer II : Cloud, APIs & Microservices

Full-Stack Developer II : Cloud, APIs & Microservices

Your Neighbourhood Credit Union LimitedKitchener, Region of Waterloo, CA
Full-time
A local credit union in Kitchener is looking for a Full Stack Developer II to enhance its technical capabilities.You will be part of a small team, leveraging cloud and SaaS solutions.The ideal cand...Show moreLast updated: 14 days ago
Intermediate Programmer Analyst

Intermediate Programmer Analyst

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
.Net / API Developer

.Net / API Developer

ProcomBreslau, CA
Full-time +1
On behalf of our Automotive client, Procom is searching for a.Net / API Developer for a 4 month contract role.This position is a hybrid position with 4 days onsite at our client’s Cambridge, Ontario...Show moreLast updated: 30+ days ago
Software Developer

Software Developer

BinSentryKitchener, Region of Waterloo, CA
Full-time
BinSentry is an extremely fast-growing ag‑tech company started here in KW.BinSentry is focused on providing solutions for the agriculture supply chain that help increase efficiency, reduce costs, a...Show moreLast updated: 21 days ago
Software Developer

Software Developer

EquatorKitchener, Region of Waterloo, CA
Full-time
We’re a small and mighty team who have directed our talents at improving the lives & work of civil, architectural, landscape, and environmental engineers and designers. Founded and based in Kitchene...Show moreLast updated: 30+ days ago
Salesforce Developer

Salesforce Developer

Ontario Teachers Insurance PlanWaterloo, Region of Waterloo, CA
Full-time
With every job, there’s always the question of “why”.Why join a company? Why be part of their mission? Here, the why is easy. It’s because at some point, we’ve all needed someone there for us.At the...Show moreLast updated: 30+ days ago
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Remote Senior SQL Engineer - AI Trainer

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateKitchener, Ontario, CA
21 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.