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Ruby On Rails Contractor Jobs in Ontario (NOW HIRING)

Software Developer (Toronto)

Toronto, ON · Hybrid

CA$112K - CA$151K/yr

Experience in software development, specifically with building web applications at scale and Ruby on Rails; * The ability to master new technologies quickly and work effectively in a dynamic and ever ...

Experience securing Ruby on Rails, Node.js, JavaScript, GraphQL, or similar application ecosystems. * Experience with AWS cloud security and cloud-native security controls. * Experience with threat ...

Experience securing Ruby on Rails, Node.js, JavaScript, GraphQL, or similar application ecosystems. * Experience with AWS cloud security and cloud-native security controls. * Experience with threat ...

Software Development Manager

Toronto, ON · Hybrid

CA$180K - CA$270K/yr

Experience with Ruby on Rails or Python This posting is for an existing vacancy. What you will find here: Compensation is one of the main components of Clio's Total Rewards Program. We have developed ...

Experience with Ruby on Rails or Python This is a new role. What you will find here: Compensation is one of the main components of Clio's Total Rewards Program. We have developed a series of programs ...

Software Engineer

Toronto, ON · On-site

CA$90K - CA$135K/yr

You have a drive to grow, learn, and master the craft of software development. * Tech stack consists of Ruby on Rails, Postgres, TimescaleDB, Snowflake, TypeScript and React, React Native, and AWS.

Experience with Ruby on Rails or Python What you will find here: Compensation is one of the main components of Clio's Total Rewards Program. We have developed a series of programs and processes to ...

Our workplace thrives on a hybrid model, combining in-office collaboration and flexibility. Join us ... Participate in client, consultant, contractor, and stakeholder meetings and prepare meeting minutes ...

Showing results 41-60

Ruby On Rails Contractor information

What is a Ruby on Rails contractor?

Ruby on Rails contractors are professionals who specialize in building web applications using the Ruby on Rails framework. They are typically hired on a contract basis, either for short-term projects, specific features, or to augment in-house development teams. These contractors handle tasks such as backend development, API integration, database management, and sometimes front-end work, all centered around the Rails ecosystem. Their expertise allows businesses to rapidly develop, maintain, or upgrade web applications efficiently.

What are the key skills and qualifications needed to thrive as a Ruby on Rails contractor?

To thrive as a Ruby On Rails Contractor, you need strong programming skills in Ruby, expertise in the Rails framework, and a solid understanding of web application architecture, typically backed by experience or a relevant degree. Familiarity with tools like Git, PostgreSQL/MySQL, RESTful APIs, and deployment platforms such as Heroku or AWS is often required. Excellent problem-solving, time management, and communication skills help contractors efficiently collaborate with clients and teams. These skills ensure high-quality, maintainable code and successful project delivery in competitive, fast-paced environments.

What are some common challenges Ruby on Rails contractors face when joining a new development team?

Ruby On Rails Contractors often need to quickly adapt to existing codebases and team workflows, which can pose challenges if documentation is sparse or coding standards differ. Additionally, contractors must rapidly build rapport with permanent team members to ensure smooth collaboration, particularly in agile environments. Balancing multiple projects or client expectations can also require strong time management and communication skills. Being proactive about asking questions and clarifying requirements can help overcome these hurdles and contribute effectively from the start.

What is the difference between Ruby On Rails Contractor vs Ruby On Rails Developer?

AspectRuby On Rails ContractorRuby On Rails Developer
CredentialsTypically no formal certification required, but experience is keyOften holds a degree or certification in computer science or related fields
Work EnvironmentFreelance, project-based, often remoteFull-time or part-time employment within a company or agency
Employer & Industry UsageHired by various clients across industries for specific projectsEmployed by companies to develop and maintain applications
Search & Comparison IntentLooking for flexible, short-term project workSeeking ongoing, in-house or remote development roles

In summary, a Ruby On Rails Contractor is typically a freelance professional hired for specific projects, offering flexibility and diverse experience. A Ruby On Rails Developer usually works as a full-time employee, focusing on long-term application development within a company. Both roles require strong Rails skills but differ mainly in employment type and work setup.

What job categories do people searching Ruby On Rails Contractor jobs in Ontario look for?

The top searched job categories for Ruby On Rails Contractor jobs in Ontario are:

Infographic showing various Ruby On Rails Contractor job openings in Ontario as of September 2026, with employment types broken down into 76% Full Time, 11% Part Time, and 13% Contract. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution.

Director, Manufacturing Equipment & Process Engineering

Newmarket, ON • On-site

Celestica International LP
Manufacturing • 10K+ employees

Full-time

Posted 23 days ago


Key responsibilities

  • Lead the development, deployment, and optimization of manufacturing processes and automated equipment solutions across the site.

  • Oversee failure analysis laboratory operations and direct product testing and inspection processes.

  • Establish and drive the site's quality strategy, ensuring regulatory compliance and managing quality metrics.


Celestica rating

8.9

Company rating: 8.9 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

11th of 162 rated electronics manufacturers


Job description

Req ID: 139066 
Remote Position: No
Region: Americas 
Country: Canada 
State/Province: Ontario 
City:  Newmarket 

General Overview

Job Title: Director, Manufacturing Equipment & Process Engineering 1
Functional Area:  Engineering (ENG)
Career Stream:  Engineering (ENG)
Role:  Director (DR1)
Job Code:  DR1-ENG-MFG
Job Band: 12
Direct/Indirect Indicator:  Indirect

Summary

The Director of Engineering & Site Quality provides strategic leadership and operational oversight for a combined organization of approximately 140 engineering, quality, and continuous improvement professionals. This senior leadership role is responsible for directing all site manufacturing process engineering, failure analysis laboratory services, product testing, continuous improvement initiatives, and site quality assurance systems.
The primary focus of this role is to drive manufacturing engineering excellence, advanced process innovation, equipment optimization, and continuous improvement to meet customer requirements. Concurrently, the role ensures the site maintains a rigorous quality culture, robust risk-mitigation strategies, comprehensive laboratory analytics, and strict regulatory compliance. This role is highly customer- and corporate-facing across all main areas of responsibility.

Detailed Description

1. Strategic Leadership, CI & Financial Management
Site & Global Alignment: Establish site-specific strategic plans, annual business goals, and long-term operational objectives cooperatively with the site leadership team.
Operational Budgeting: Oversee and manage the complete planning, budgeting, headcount, and cost management for all site engineering, laboratory, and quality departments, actively seeking and executing cost-saving opportunities.
Continuous Improvement (CI): Drive site-wide Continuous Improvement, Lean manufacturing, and Quality culture initiatives to optimize operational efficiency and process metrics.
Organizational Leadership: Directly and indirectly lead, mentor, and develop department managers, senior individual contributors, and technical teams across a ~140-person organization.
2. Manufacturing Equipment & Process Engineering (Primary Focus)
Process Optimization: Lead the development, deployment, and optimization of cost-effective manufacturing processes and automated equipment solutions across the site.
Upfront Engineering Strategy: Proactively drive robust upfront strategies, including Design for Manufacturability (DFM), Process Failure Mode and Effects Analysis (PFMEA), and ongoing technology and efficiency improvements.
Lifecycle Engineering & Yield: Support all manufacturing technical issues related to customer products from product conception to product obsolescence, actively driving Rolled Throughput Yield (RTPY) improvements throughout the manufacturing cycle.
Technical Problem Resolution: Serve as the final escalation point for complex, site-wide manufacturing technical issues, assisting teams with problem resolution for quality and delivery.
3. Lab Services & Product Testing
Failure Analysis (FA) Lab Services: Oversee Failure Analysis Laboratory operations, ensuring advanced analytical capabilities (e.g., metallurgy, destructive/non-destructive testing, environmental testing) meet site and customer requirements while ensuring long-term viability and continuous growth.
Product Testing & Inspection: Direct structural test and inspection processes, including the strategy creation and execution of optical, mechanical, and electrical product testing (e.g., AOI, AXI, ICT, vibration, and environmental testing).
Data Analytics: Leverage testing and quality data KPIs to monitor manufacturing health and drive advanced engineering solutions.
4. Site Quality Strategy & Compliance
Quality System Stewardship: Establish and drive the site's quality strategy to ensure long-term customer satisfaction and alignment with corporate goals, managing Scrap and Cost of Non-Quality (QofNQ) metrics effectively.
Regulatory & Standards Compliance: Provide executive support for compliance readiness and continuous certification under major industry standards (e.g., ISO 9001, AS9100, AS9110, ANSI/ESD, NADCAP), bringing demonstrated personal experience managing these certifications.
Risk Mitigation & Governance: Assess organizational risk regarding quality events, oversee corrective/preventive actions (CAPA, 8D, FMEA), and lead reviews with key customers and suppliers to successfully manage and eliminate both Audit and Escape findings.

Knowledge/Skills/Competencies
  • Executive Leadership: Demonstrated ability to lead complex, multi-functional projects, manage and improve large multi-departmental change processes, and champion a rigorous technical and quality culture.

  • Financial & Business Acumen: Advanced understanding of budgeting, site operations, ROI/ROR analysis, and how technical decisions impact overall site profitability and customer satisfaction.

  • Advanced Problem-Solving: Mastery of structured methodologies including Lean, Six Sigma, 8D, FMEA, Change Control, and Design of Experiments (DOE).

  • Technical Depth: Broad knowledge of electronic manufacturing environments, automated equipment systems, SMT, NPI-PCBA, laboratory analysis testing, and advanced quality management systems.

Physical Demands
  • Duties of this position are performed in a normal office environment.
  • Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data. 
  • Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.
  • Occasional travel may be required.
Typical Experience

15+ years of progressive engineering and quality leadership experience within a highly dynamic electronics manufacturing or similar technology-driven environment, with strong Aerospace and commercial exposure.

Typical Education

Bachelor's degree in Engineering, Technology, or a related scientific discipline, or an equivalent combination of education and work experience. Advanced studies in Business Administration (MBA), Operations, or Technology Management are considered a strong asset.

Notes

This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.

Celestica is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. 
At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Accommodations are available upon request for candidates throughout the hiring process. If you require an accommodation, we will work with you to meet your needs.

This position involves technologies regulated by the Canadian government's Controlled Goods Program (CGP). Candidates must be Canadian citizens or permanent residents of Canada and meet all other requirements under CGP. Job offers will be conditional upon candidates undergoing a successful security screening per the Controlled Goods Regulations.

COMPANY OVERVIEW:

Celestica, Inc. (NYSE: CLS; TSX: CLS) is a technology leader dedicated to driving customer success and market advancements. With deep expertise in design, engineering, manufacturing, supply chain, and platform solutions, Celestica enables critical data center infrastructure for AI, cloud, and hybrid cloud and advances technologies in high-growth markets. With a talented team and a strategic global network, Celestica helps its customers achieve competitive advantages.

Today, Celestica delivers innovative supply chain solutions globally to customers in strategic two operating and reporting segments:  Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CC):

ATS: This segment serves customers in complex, regulated and high-reliability markets such as Industrial & Smart Energy, Aerospace & Defense, Semiconductor Capital Equipment, and HealthTech. It is engineering led, with deep expertise in design, manufacturing and lifecycle solutions.

CCS: This segment focuses on high-performance technology solutions and services for the data center, serving hyperscalers, digital native customers and enterprises. Celestica's Platform Solutions offering provides innovative and customizable computing, storage and networking solutions enabling AI-driven growth.

Built on a legacy of trust and performance, Celestica has earned its reputation by delivering results in complex and fast-changing markets. Celestica exceeds customer expectations by identifying trends and staying ahead of the curve. Backed by comprehensive capabilities and a global network across North America, Europe and Asia, Celestica helps customers gain competitive advantage with the quality, flexibility and resiliency they need to respond quickly to shifts in demand. Guided by a bold vision to accelerate market advancements, Celestica delivers innovative solutions and technologies that turn complexity into opportunity. Anchored in teamwork and commitment, Celestica strives to be the most trusted partner to its customers and colleagues worldwide.

We use artificial intelligence tools to assist in screening and assessing  applications for this role. All hiring decisions involve human review.

This posting is for an existing vacancy.

Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.


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