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Mobile application developer Jobs in Peterborough, ON

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Mobile application developer • peterborough on

Last updated: 12 hours ago

Remote Ruby Engineer - AI Trainer

SuperAnnotatePeterborough, 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

Financial Planner, Investment and Retirement Planning

Royal Bank of Canada>PETERBOROUGH, Canada
Full-time

As an RBC Investment and Retirement Planner, you create custom investment solutions for prospective and existing RBC clients.Alongside your own prospecting and networking activity, you are fully su...Show more

Work from Home Product Tester

OCPAPeterborough, Ontario, CA
Remote
Part-time +1

Product Testers are wanted to work from home nationwide in the US to fulfill upcoming contracts with national and international companies.We guarantee 15-25 hours per week with an hourly pay of bet...Show more

Tire Technician - Road Service

KaltirePeterborough, Ontario, Canada
Full-time +2
Quick Apply

Looking to take your career further than the shop floor? At Kal Tire, we’re hiring Commercial Tire Technicians who take pride in working safely, thinking independently, and delivering reliable serv...Show more

Medical Science Liaison Manager, Solid Tumor Pipeline

837 GlaxoSmithKline Inc.Canada – Ontario – Peterborough
Full-time

Are you passionate about leading scientific engagement and advancing oncology care across Canada?.GSK remains committed to achieving bold commercial ambitions for the future.By 2031, we aim to deli...Show more

Licensed & Apprentice Hairstylists

Chatters Limited PartnershipsPeterborough, ON, CA
Permanent
Quick Apply

People don’t come to you for just a haircut, they come to you for a Masterpiece!.That’s because you’re not just a Hairstylist, you are an artist.You have a special knack and ability to see the beau...Show more

Morning Baker

Tim HortonsPeterborough, ON
Full-time

In 1964, the first Tim Hortons® restaurant in Hamilton, Ontario opened its doors and Canadians have been ordering Tim Hortons iconic Original Blend coffee, Double-Double™ coffees, Donuts and Timbit...Show more

Client Service Representative (Medical Administration) - 8mo contract

ProResp, Inc.Peterborough, ON, CA
Full-time
Quick Apply

Client Service Representative (Medical Administration) Location: Peterborough ProResp Fulltime, 8mo Contract Role (Monday -Friday, 9:00am-5:00pm) Salaried position: Starting around $24.We are recru...Show more

General Application - PETERBOROUGH

Vertical Staffing ResourcesPeterborough, ON
Full-time +1

Not sure which position you are interested in yet? Just want to hear what we may have available? Are you a student looking for a part time schedule? Are you looking for casual work with day pay? Wa...Show more

Financial Planner, Investment and Retirement Planning

0000050007 Royal Bank of CanadaPETERBOROUGH, Ontario, Canada
Full-time

As an RBC Investment and Retirement Planner, you create custom investment solutions for prospective and existing RBC clients.Alongside your own prospecting and networking activity, you are fully su...Show more

Community Leader

The Skyline Group of CompaniesPeterborough, ON, CA
Full-time
Quick Apply

Location: Peterborough, ON, Canada Compensation: $45,000 and monthly bonus Job Type: Full-Time Schedule: Monday to Friday, Morning Availability Required Job Overview: The Community Leader is respon...Show more

Tool & Die Maker - Apprentice

DynacastPeterborough, ON, CAN
Full-time
Quick Apply

We are seeking a Tool & Die Apprentice to assist in building, repairing, assembling and rebuilding die cast tooling to support production at our plant in Peterborough, Ontario.Duties include perfor...Show more

Armed Driver Cash Transport

GardaWorldPeterborough, Onta, CA
Full-time

Join a team rich in diversity, respect, and growth to make the world a safer place for families, communities, and businesses.At GardaWorld Cash Services, we take our security responsibility serious...Show more

In-House Legal Counsel

Dnaagdawenmag Binnoojiiyag Child & Family ServicesPeterborough, Ontario, Canada
Full-time +1
Quick Apply

Position: In-House Legal Counsel.Office Location within our East Region.A completed Application Form must be included with your resume for your application to be considered.The Application Form can...Show more

 • New!

Executive Assistant

Level A Professional GroupKeene, ON, CA
Full-time

Please note we don't have a facility in the Brampton area.Mandatory: Canadian Work Experience.We are seeking an experienced and professional .The ideal Executive Assistant must have strong attentio...Show more

Jr. Field Technician

PRI ConsultantsPeterborough, Ontario, Canada
Full-time +1

Our team supports a wide range of infrastructure, municipal, and development projects, delivering practical, field-driven solutions backed by technical expertise.Our geotechnical and environmental ...Show more

Real Estate Sales Representative

Royal LePage Real EstatePeterborough, Ontario, Canada
Full-time

Royal LePage is committed to helping you launch your real estate career by providing the industry-leading training, lead generation and technology you need to accelerate your growth.With a culture ...Show more

Mortgage Specialist - Peterborough & the Kawarthas

ScotiabankPeterborough, ON, CA
Full-time

Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.Join us as we build a high-performing, purposed driven, winning sales team, anchored by an incl...Show more

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Remote Ruby Engineer - AI Trainer

Remote Ruby Engineer - AI Trainer

SuperAnnotatePeterborough, Ontario, CA
30+ days ago
Job type
  • Full-time
  • Remote
Job description

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 problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for readability, maintainability, and correctness; identify errors in MVC structure, domain modeling, or control flow; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Ruby patterns; and rate and compare multiple AI responses based on correctness and reasoning quality.

This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation model labs, and your work will directly help improve the world’s premier AI models while giving you the flexibility of impactful, detail-oriented remote contract work.

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 :

  • 1–2+ years of professional Ruby programming experience in production environments.
  • Strong understanding of Ruby on Rails, MVC architecture, and idiomatic Ruby patterns for structuring application code.
  • Hands-on software engineering experience building and maintaining Ruby or Rails applications, with exposure to real-world production constraints.
  • Ability to evaluate readability, maintainability, and logical correctness in Ruby and Rails code, including model, controller, and service-layer design.
  • Significant experience using LLMs or AI coding assistants while programming, combined with a disciplined approach to validating and reviewing their output.
  • Excellent English writing skills, capable of producing clear, structured, and pedagogical technical explanations and code reviews.
  • Minimum Bachelor’s degree in Computer Science or a closely related technical field.
  • Previous experience with AI data training, large-scale code review, or evaluation of AI-generated technical content is strongly preferred; Minimum C1 English proficiency and an extremely detail-oriented working style are required.
  • Highly preferred : experience with frameworks and tools such as Ruby on Rails, Sinatra, and RSpec in real projects.
  • Preferred : merged PRs in Ruby open-source projects, experience with metaprogramming or test-heavy systems, and competitive programming exposure.