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Performance Jobs in St. Catharines, ON

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Last updated: 7 hours 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

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

Parts Advisor (Performance Toyota)

Performance Auto GroupSt. Catharines, Ontario
Full-time

Assisting customers with parts inquiries, in person, on the phone and electronically.Placing orders in a timely fashion.Maintaining proper inventory levels.Inspect damaged parts brought in by custo...Show more

Interim Lead

SephoraSaint Catharines, Canada
Full-time +2

Glendale Ave Space 77 & 78, Saint Catharines, ON L2T 2K9, Canada (CA).This position is for an existing, open vacancy.You'll be a key driver of store success- leading by example to inspire your team...Show more

Senior Remote Education & Leadership Opportunity

3 Years on a RockSt. Catharines, Ontario, Canada
Remote
Full-time

Senior Remote Education & Leadership Opportunity | Flexible Work Structure After years supporting students, leading classrooms, developing curriculum, or guiding teams, many experienced education p...Show more

Financial Service Representative

easyfinancialSt. Catharines, Ontario, Canada
Full-time

Join easyfinancial, the consumer lending driver behind goeasy’s rapid growth.We’ve earned prestigious accolades including being named one of.Canada’s Top Growing Companies.TIME Magazine’s 2025 list...Show more

Senior Inside Sales Account Representative

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

Calling all Inside Sales professionals in St.We are working with a global professional services company geared towards supporting small and medium size businesses with digital technology and operat...Show more

ScotiaMcLeod Assistant Branch Manager/Branch Administrator - St Catharines

ScotiabankSt. Catharines, ON, CA
Full-time

ScotiaMcLeod, a cornerstone of Scotia Wealth Management®, is a full-service wealth management firm with a proud history dating back to 1921.Known for service excellence, trusted advice, and a colla...Show more

Remote Customer Service Associate - $21.50 / hour

Tim's FinancialThorold, Ontario
Remote
Full-time

Our Customer Experience team is a group of top performers who work in a highly collaborative setting to ensure advancement of our systems and delivery of the highest quality experience.Think of it ...Show more

Remote Inside Sales (140k+ per year)

RogersSt. Catharines, Ontario
Remote
Full-time

Experience & Qualifications:.A minimum of 2 years of verifiable sales experience is required.Please note that general retail roles (e.Formal training in a recognized sales methodology (e.MEDDICC, S...Show more

 • Promoted

Sales Associate

EssilorLuxotticaSaint Catherines, ON, CA
Full-time

At Sunglass Hut, we're always in the sun.You’ll find a dynamic space with endless possibilities to grow your career.We are a culture that wants to see you succeed, develop your customer expertise a...Show more

Service Advisor (Audi Niagara - Contract)

Performance Auto GroupSt. Catharines, Ontario
Full-time +1

Identifying, recommending and documenting service maintenance and repairs for customers.Greeting customers in a courteous, professional manner.Delivering personalized service that exemplifies our d...Show more

Remote Financial Analyst – AI Model Training - AI Trainer

SuperAnnotateSt. Catharines, Ontario, CA
Remote
Full-time

This is a unique opportunity to contribute directly to how advanced AI systems understand, evaluate, and explain financial concepts.We’re looking for finance professionals who bring deep experience...Show more

 • New!

Outside Sales Representative

ForgeFitSt. Catharines, ON, CA
Full-time
Quick Apply

Job Title: Outside Sales Representative Company: ForgeFit Employment Type: Full-Time About ForgeFit ForgeFit supplies cutting-edge fitness equipment to gyms and fitness centers nationwide.We’re not...Show more

Community Sports Performance Coach

Brock UniversitySt. Catharines, Main Campus
Part-time +1

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

Sales Associate (Bell)

BellSt. Catharines, ON, CA
Full-time

We are looking for enthusiastic, outgoing people to join our retail sales team! We welcome individuals with previous sales and/or management experience, who understand the importance of customer se...Show more

Mechanical Engineer - Hydraulics & Lubrication Systems (Heavy Industrial)

Westridge HRSt. Catharines, Ontario, Canada
Full-time +1

MECHANICAL ENGINEER | HYDRAULICS & LUBRICATION SYSTEMS (HEAVY INDUSTRIAL).Catharines, ON (Niagara Region).For engineers who’d rather be on the plant floor than behind a desk—this is where your work...Show more

 • New!

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

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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.