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Performance Jobs in Thorold, ON

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Last updated: 18 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

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

Remote Swift Engineer - AI Trainer

SuperAnnotateThorold, Ontario, CA
Remote
Full-time

As a remote, hourly paid Swift Engineer, you will review AI-generated responses and generate high-quality Swift and iOS-focused content, evaluating the reasoning quality and step-by-step problem-so...Show more

Registered Practical Nurse Casual Position

Park Place Seniors LivingNiagara Falls, ON, CA
Full-time
Quick Apply

REGISTERED PRACTICAL NURSE Casual Position CHIPPAWA CREEK AT BELLA CARE RESIDENCE Candidates are invited to apply for the Casual position of Registered Practical Nurse at Chippawa Creek at Bella Ca...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

Remote Sales (140K+ per year)

RogersThorold, 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

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Sales Associate

Rogers CommunicationsSt Catharines, ON, CA
Full-time +2

Our branded retail team is at the heart of our success.We represent the welcoming spirit of our company.Our retail teams are outgoing and approachable individuals who understand how our products an...Show more

Remote Senior Java Engineer - AI Trainer

SuperAnnotateThorold, Ontario, CA
Remote
Full-time

As a Senior Java Engineer, you will work remotely on an hourly paid basis to review AI-generated Java code, architectural solutions, and technical explanations, as well as generate high-quality ref...Show more

Director, Mortgage Broker & Auto Lending Channels

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

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

Senior Construction Project Manager

GHDSt Catharines, ON, Canada
Full-time

Help us build the future and we’ll help you build a rewarding and purposeful career!.Our global network is made up of architects, designers, planners, engineers, and environmental scientists, all w...Show more

Remote Senior SQL Engineer - AI Trainer

SuperAnnotateSt. Catharines, 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 more

Financial Advisor - Fairview Mall, St. Catharines

ScotiabankNiagara Falls, ON, CA
Full-time

At Scotiabank we help employees build their futures – where they can be themselves, and win together.With a commitment to diversity and inclusion and a performance-oriented culture that includes co...Show more

Parts Advisor (Performance Hyundai)

Performance Auto GroupSt. Catharines, Ontario
Full-time

Assisting customers with parts inquiries, in person, on the phone, and electronically.Filling orders for Service Technicians in the Service Department.Placing orders in a timely fashion.Maintaining...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

Human Resources Manager

CWDNiagara Falls, ON, CA
Full-time +1
Quick Apply

CWD designs, markets & sells the highest performing consumer electronics that are smart, simple, and stylish.From high fidelity turntables to wireless video connectivity systems, we create innovati...Show more

Content Coordinator

TalentSphereNiagara Falls, ON, Canada
Full-time

Content Coordinator – Digital Marketing.RRSP, Benefits and many other perks.Relocation Assistance Available!.Join a fast-growing, innovative consumer products company where your content will direct...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

Pharmacy Manager

emergiTEL Inc.St. Catharines, Ontario, Canada
Full-time +1
Quick Apply

Catharines, Ontario, Canada | Full-Time, Permanent | 12-Hour Shifts (Not required to work on Statutory Holidays).Bonus + Signing Bonus up to $35,000 + Full Benefits.The Pharmacy Manager is responsi...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.