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Ruby developer Jobs in Vaughan, ON

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Ruby developer • vaughan on

Last updated: 18 hours ago
  • New!
Ruby Engineer

Ruby Engineer

SuperAnnotateWillowdale, 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 moreLast updated: 18 hours ago
Senior Java Developer

Senior Java Developer

GFL Environmental Inc.Vaughan, York Region, CA
Full-time
Senior Java Developer page is loaded## Senior Java Developerlocations : Vaughan, Ontariotime type : Full timeposted on : Posted Todayjob requisition id : R30632Our GFL team is expanding, and we...Show moreLast updated: 30+ days ago
JPC - 1430 - Jira Web Developer

JPC - 1430 - Jira Web Developer

ITS GlobalOntario
Full-time
Our client is looking for a Jira Web Developer to join their team.You will be responsible for building out custom JIRA dashboards for their Production Support Team, along with other Web development...Show moreLast updated: 30+ days ago
Backend Engineer, Business Experience

Backend Engineer, Business Experience

redditRemote, Ontario, Canada
Remote
Full-time
Reddit is a community of communities.It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote...Show moreLast updated: 30+ days ago
C++ / Java Developer

C++ / Java Developer

Source CodeVaughan, ON, Canada
Full-time +1
Junior C++ / Java Developer to help program and maintain the world's largest online poker platform, built with Java, C++, SQL and AWS. Toronto, Ontario (remote until further notice, hybrid thereafter...Show moreLast updated: 30+ days ago
Sr. Software Developer

Sr. Software Developer

Launch your career growth with Staples stores.Richmond Hill, York Region, CA
Full-time
Provide AS400 based applications development and support services, including requirements and development specifications, delivery schedules, programming, testing and implementation to deliver high...Show moreLast updated: 4 days ago
Software Developer

Software Developer

OpenTextRichmond Hill, York Region, CA
Full-time
OpenText - The Information Company.OpenText is a global leader in information management, where innovation, creativity, and collaboration are the key components of our corporate culture.As a member...Show moreLast updated: 30+ days ago
Jr. IoT Developer

Jr. IoT Developer

Magna InternationalVaughan, York Region, CA
Full-time +1
At Magna, you can expect an engaging and dynamic environment where you can help to develop industry-leading automotive technologies. We invest in our employees, providing them with the support and r...Show moreLast updated: 30+ days ago
Staff Software Developer

Staff Software Developer

SCIEXVaughan, York Region, CA
Full-time
Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology? At SCIEX, one of Danaher’s 15+ operating companies, our work saves lives a...Show moreLast updated: 30+ days ago
Junior Developer

Junior Developer

City of VaughanVaughan, York Region, CA
Full-time
CITIZENS FIRST THROUGH SERVICE EXCELLENCE.We have an exciting Temporary Full-Time, Non- Unionized opportunity in the Office of the Chief Information Officer Department for an experienced and motiva...Show moreLast updated: 4 days ago
  • Promoted
Full Stack Developer

Full Stack Developer

Magna International, IncConcord, ON, Canada
Permanent
Bei Magna erwartet dich ein spannendes und dynamisches Arbeitsumfeld, in dem du dazu beitragen kannst, marktfhrende.Wir investieren in unser Personal und bieten ihm die Untersttzung und Ressourcen,...Show moreLast updated: 30+ days ago
Sr. Software Developer

Sr. Software Developer

Staples CanadaRichmond Hill, York Region, CA
Full-time
Provide AS400 based applications development and support services, including requirements and development specifications, delivery schedules, programming, testing and implementation to deliver high...Show moreLast updated: 4 days ago
Sr Database Developer

Sr Database Developer

Paymentus Holdings Inc.Richmond Hill, York Region, CA
Full-time
The Oracle Database Developer will design stable and reliable databases, to ensure our database systems run effectively and securely on a daily basis. An individual in this role will be responsible ...Show moreLast updated: 30+ days ago
  • Promoted
FRONT-END DEVELOPER

FRONT-END DEVELOPER

Finlink GroupRichmond Hill, ON, Canada
Full-time
Bring ideas to life with code that feels as smooth as it looks.We’re searching for a talented Front-End Developer who’s passionate about building sleek, scalable, and intuitive web appl...Show moreLast updated: 30+ days ago
SAP ABAP Developer

SAP ABAP Developer

407 ETRVaughan, York Region, CA
Full-time
Get AI-powered advice on this job and more exclusive features.We are seeking a skilled SAP BRIM ABAP Developer to join our team. The ideal candidate will have a strong background in ABAP development...Show moreLast updated: 30+ days ago
Senior Software Developer

Senior Software Developer

Randstad CanadaNorth York, Ontario, CA
Temporary
Quick Apply
Do You have 10+ years demonstrated knowledge and experience of IT systems development in multi-platform environments (web, desktop, mobile, mainframe, micro / mini systems, etc.Do You have demonstrat...Show moreLast updated: 30+ days ago
.NET Developer

.NET Developer

Onico SolutionsRichmond Hill, York Region, CA
Permanent
NET Developer is responsible for developing applications and data integration.NET Developer needs to understand and analyze business requirements, analyze its impacts and translate specifications i...Show moreLast updated: 30+ days ago
Intermediate Database Developer

Intermediate Database Developer

Sym-Tech Dealer ServicesRichmond Hill, York Region, CA
Full-time
Opportunities to grow and develop your career.On-going industry training programs and professional development opportunities. A workplace that supports workplace diversity, equity and inclusion.A st...Show moreLast updated: 26 days ago
Lead Java Developer

Lead Java Developer

TechBlocksVaughan, York Region, CA
Full-time
We are seeking an experienced Lead Java Developer to drive the design, development, and delivery of enterprise‑grade applications. The ideal candidate is a hands‑on technical leader with deep expert...Show moreLast updated: 21 days ago
People also ask
Ruby Engineer

Ruby Engineer

SuperAnnotateWillowdale, Ontario, CA
18 hours 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.