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Junior Ruby On Rails Developer Jobs in Ontario (NOW HIRING)

Experience securing Ruby on Rails, Node.js, JavaScript, GraphQL, or similar application ecosystems ... Experience with vulnerability management, application security posture management, or developer ...

Experience securing Ruby on Rails, Node.js, JavaScript, GraphQL, or similar application ecosystems ... Experience with vulnerability management, application security posture management, or developer ...

Proficiency in Python and Ruby on Rails , with significant backend experience. * Experience in ... Experience in DevOps, CI/CD pipelines, and secure release management. * Background in security ...

Software Engineer

Toronto, ON · On-site

CA$90K - CA$135K/yr

The engineering team at Warner Music Group makes all of it a reality. Check out first-hand accounts ... Ruby on Rails, Postgres, TimescaleDB, Snowflake, TypeScript and React, React Native, and AWS.

Software Development Manager

Toronto, ON · Hybrid

CA$180K - CA$270K/yr

We are currently seeking a Software Development Manager to join our Engineering team. This role is ... Experience with Ruby on Rails or Python This posting is for an existing vacancy. What you will find ...

We are currently seeking a Software Development Manager to join our Engineering team. We have ... Experience with Ruby on Rails or Python What you will find here: Compensation is one of the main ...

Actively participating in hiring to grow engineering team at Clio * Reviewing code contributed by ... Experience with Ruby on Rails or Python This is a new role. What you will find here: Compensation ...

As a Lead Track Engineer , you will provide technical leadership across complex passenger and ... Serve as the discipline lead for track design on rail and transit projects, making decisions on ...

As a Lead Track Engineer , you will provide technical leadership across complex passenger and ... Serve as the discipline lead for track design on rail and transit projects, making decisions on ...

Junior Pentester

Ottawa, ON · On-site +1

CA$70K - CA$95K/yr

... developers write secure code. You will be a part of the local and global security community and ... Demonstrated software development background in one or more of Python, .NET, Ruby, Java ...

We have an unfair advantage as our patent-pending document anonymization technology is on pace to ... Jest) * Back-End: GraphQL (Ruby), Rails API (testing: rSpec) * ML: Python, Flask * Documentation:

Showing results 41-60

Junior Ruby On Rails Developer information

See Ontario salary details

$45.5K

$88.1K

$144.5K

How much do junior ruby on rails developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for junior ruby on rails developer in Ontario is $88,071.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,500.00 and $123,500.00 per year, depending on experience, location, and employer.

What is a junior Ruby on Rails developer?

A Junior Ruby on Rails Developer is an entry-level software developer specializing in building web applications using the Ruby on Rails framework. They typically work under the guidance of senior developers, assisting in writing and maintaining code, debugging issues, and implementing new features. Juniors are expected to have a basic understanding of Ruby, Rails conventions, databases, and version control systems like Git. They often collaborate with teams to develop scalable and efficient applications while continuously learning industry best practices. This role serves as a foundation for advancing to more senior development positions.

What does a junior Ruby on Rails developer do?

As a Junior Ruby On Rails Developer, you'll generally spend your days building new features, fixing bugs, and writing tests under the guidance of more experienced engineers. You will regularly collaborate with other developers, product managers, and designers through pair programming, code reviews, and team meetings. Expect to dedicate a portion of your time to learning new best practices and tools, as ongoing education is key early in your career. The work environment is often collaborative and supportive, providing mentorship and feedback to help you grow your technical skills and confidence.

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

To thrive as a Junior Ruby On Rails Developer, you should have a foundational knowledge of Ruby, Rails framework, web development principles, and basic database design, often supported by a relevant technical degree or coding bootcamp experience. Familiarity with version control systems like Git, testing frameworks such as RSpec, and cloud platforms is highly valued in entry-level roles. Strong problem-solving abilities, a willingness to learn, and effective communication skills help juniors contribute positively to their teams. These competencies empower developers to adapt quickly, collaborate efficiently, and deliver functional web applications in a fast-evolving tech environment.

What are the most commonly searched types of Ruby On Rails Developer jobs in Ontario?

The most popular types of Ruby On Rails Developer jobs in Ontario are:

What are popular job titles related to Junior Ruby On Rails Developer jobs in Ontario?

For Junior Ruby On Rails Developer jobs in Ontario, the most frequently searched job titles are:

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

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

What cities in Ontario are hiring for Junior Ruby On Rails Developer jobs?

Cities in Ontario with the most Junior Ruby On Rails Developer job openings:

Infographic showing various Junior Ruby On Rails Developer job openings in Ontario as of September 2026, with employment types broken down into 84% Full Time, 6% Part Time, and 10% Contract. Highlights an 79% Physical, 5% Hybrid, and 16% Remote job distribution, with an average salary of $88,071 per year, or $42.3 per hour.

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

10th of 161 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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