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Software engineer Jobs in St. Catharines, ON

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Software engineer • st catharines on

Last updated: 4 days ago

Remote Senior C Engineer - AI Trainer

SuperAnnotateSt. Catharines, Ontario, CA
Remote
Full-time

As a Senior C Engineer, you will work remotely on an hourly paid basis to review AI-generated C code, low-level systems designs, and technical explanations, as well as generate high-quality referen...Show more

Machinist,Operations

Apex Tool GroupSt. Catharines, ON, CA
Full-time

The CNC Machinist is responsible for programming, setting up, and operating CNC and manual machining equipment to produce precision tooling and machined components.This role requires solid technica...Show more

Teaching Assistant MBAB 5P13 Spring D4

Brock UniversitySt. Catharines, Main Campus
Part-time

Brock University is located on the traditional territory of the Haudenosaunee and Anishinaabe peoples, many of whom continue to live and work here today.This territory is covered by the Upper Canad...Show more

Sr. Industrial Automation Technician

ElmwoodSt. Catharines, ON, CA
Full-time +1

Are you looking for a real professional challenge? An organization capable of supporting your ambitions? A company where autonomy, openness and family spirit are at the heart of a stimulating daily...Show more

Assistant Grocery Manager

Farm Boy Inc.St. Catharines, Ontario, Canada
Full-time

Be part of what makes us different.You’ll work alongside the Department Manager to help deliver standout service and operational excellence that reflect Farm Boy’s commitment to the best fresh shop...Show more

Personal Banking Associate Trainee - Future Opportunities Within The Escarpment District

The Toronto-Dominion Bank (Canada)240 Glendale Avenue, St. Catharines, Ontario
Full-time

Personal Banking AssociateTrainee.Do you think you have what it takes?.In this role, a typical day may look like:.Engage customers in day-to-day advice needs, service transactions, digital educatio...Show more

Back-of-House Supervisor

Jack Astor'sSt. Catharines, ON, CA
Full-time

Back-of-House Supervisor – Jack Astor’s (Service Inspired Restaurants).At Jack Astor’s it’s all about personality, yes, we’re all about a.Yep, our teams are more than our co-workers, they’re our.Wh...Show more

Intermediate Pavement Engineer

GHDSt Catharines, ON, Canada
Full-time

Intermediate Pavement Engineer or EIT.In an ever-changing world, it requires creativity and innovation to stay ahead.We’re seeking the curious, those who are stimulated by fresh thinking and a desi...Show more

Sr Product Support Engineer (Manufacturing)

TreowGroup RecruitmentNiagara, ON, Canada
Full-time +1

Niagara-based manufacturing client, is seeking a.Senior Product Support Engineer.Our Client’s commitment to Customer Service is what sets them apart.The team is committed to doing what's right for ...Show more

Project Manager- Water/Wastewater

GHDSt Catharines, ON, Canada
Full-time

We are seeking a Senior Project Manager – Water and Wastewater Treatment to be based in either our Waterloo or Toronto Area / Greater Toronto Area offices with diversified experience in business de...Show more

Dispatcher - Niagara Region Transit

VoyagoSt. Catharines, ON, CA
Full-time +1
Quick Apply

Part-Time Dispatcher for our Transit Operations in the Greater Niagara Region to fill a current vacancy.As an onsite Dispatcher for our On Demand Service, you will take pride in playing a key role ...Show more

Legal Assistant - Family Law Group

Sullivan Mahoney LLPSt. Catharines, Ontario, Canada
Full-time

The Legal Assistant Role supports the day-to-day activities of lawyers within the family law practice group.This role is responsible for document preparation and general practice administration.Thi...Show more

Management Development Program -HVAC

EMCO CorporationSt. Catharines, Ontario, Canada
Full-time

Base Salary - $52,500 + Profit Sharing.We are currently seeking new or recent graduates to join our .Management Development Program.This is a full-time, salaried position with a comprehensive benef...Show more

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 more

Remote Ruby Engineer - AI Trainer

SuperAnnotateSt. Catharines, Ontario, CA
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

Maintenance Technician

Arterra Wines CanadaSt. Catharines
Full-time +1

At Arterra Wines Canada, we aim to inspire the simple joys of life, and we come to work every day with a shared passion to build wine brands people love.As a pioneer in the Canadian wine industry w...Show more

Naval Architect

Randstad CanadaSaint Catharines, Ontario, CA
Full-time +1
Quick Apply

Randstad is excited to partner with a Canadian marine transportation leader, who is committed to safety, environmental stewardship, and cutting-edge fuel‑efficient technologies.Our client fosters a...Show more

3rd Key

LidsSt. Catharines, ON, CA
Full-time

Produce sales gains, by providing customer service.To meet or exceed Company Objectives in all individual statistics.Learn to provide consistent, documented appraisal of an associate’s sales perfor...Show more

Bilingual (French/English) Insurance Advisor Home & Auto - Advice Centre

Royal Bank of Canada>ST. CATHARINES, Canada
Full-time

This role at RBC Insurance Advice Centre gives you the best of both worlds - the flexibility you need for your life and the fulfillment you seek in your work.We will provide you with the tools, tra...Show more

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Remote Senior C Engineer - AI Trainer

Remote Senior C Engineer - AI Trainer

SuperAnnotateSt. Catharines, Ontario, CA
30+ days ago
Job type
  • Full-time
  • Remote
Job description

As a Senior C Engineer, you will work remotely on an hourly paid basis to review AI-generated C code, low-level systems designs, and technical explanations, as well as generate high-quality reference implementations and step-by-step reasoning for complex engineering problems. You will assess solutions for accuracy, clarity, safety, and adherence to the prompt; identify errors in logic, memory handling, concurrency, or performance; fact-check technical information; write high-quality explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality.

This fully remote, hourly paid contractor role is 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 systems-level C expertise will directly help improve the world’s premier AI models used by millions of developers worldwide.

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, Electrical / Computer Engineering, or a closely related technical field.
  • 4+ years of professional experience developing production software in C for systems, embedded, or performance-critical applications.
  • Expert-level proficiency in C, including deep understanding of pointers, memory management, undefined behavior, and low-level debugging.
  • Strong background in systems programming concepts such as concurrency, operating systems, hardware interaction, and performance optimization.
  • Hands-on experience with build systems, compilers, linkers, and debugging tools commonly used in C development.
  • Minimum C1 English proficiency (written and spoken), with the ability to write clear technical explanations and follow detailed English-language guidelines.
  • Proven experience conducting detailed code reviews and enforcing coding standards for safety and maintainability in C codebases.
  • Comfort working with version control, CI / CD workflows, and automated testing for C projects.
  • 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 issues in low-level code.