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Added 1 day ago
SG
Software/Firmware Development Engineer
Socomec Group
Brampton, ON
- Full-time
Software programming languages such as C, C++, Java, Python.
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Senior QA Engineer- ETL & API
Teqfocus
Toronto, ON
- Contract
We are seeking a hands-on Senior QA Engineer with strong functional and automated API testing capabilities, coupled with expertise in data validation, ETL processes, and Master Data…
Added 1 day ago
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Senior Machine Learning Engineer
Fusemachines
Remote, Canada
- Contract
- Remote
We’re hiring a Senior Machine Learning Engineer to architect, build, and deploy high-performance machine learning systems that power technology stack. You will work across the entire ML…
Added 1 day ago
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Python Gen AI Developer
Virtusa
Mississauga, ON
- Full-time
We are seeking a highly skilled and experienced Lead Software Engineer to join our team. In this role, you will lead the design and development of scalable, API-driven solutions leveraging…
Added 1 day ago
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Quality Assurance Engineer
Trulioo
Remote, Canada
- $85,000 to $95,000 CAD / year
- Full-time
- Remote
Reporting to the Manager, Quality Assurance, the Quality Assurance Engineer will be responsible for delivering quality software for the Trulioo SaaS platform. This role involves designing…
Added 1 day ago
EN
Principal Wireless SW Engineer
Extreme Networks
Toronto, ON
- Full-time
The Principal Wireless Software Engineer is a senior technical leader responsible for resolving the most complex and business-critical customer issues escalated through the Global Technical…
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Quality Assurance Engineer
Trulioo
Vancouver, BC
- Full-time
Reporting to the Manager, Quality Assurance, the Quality Assurance Engineer will be responsible for delivering quality software for the Trulioo SaaS platform. This role involves designing…
Added 1 day ago
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Application Programmer
Collabera
Mississauga, ON
- $70 to $80 USD / hour
- Full-time
We are seeking an experienced Senior Forward Deployed Engineer (FDE) with strong expertise in Java, Python, backend/full-stack development, and solution architecture. The ideal candidate…
Added 2 days ago
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Python Gen AI Developer
Virtusa
Mississauga, ON
- Full-time
We are seeking a highly skilled and experienced Lead Software Engineer to join our team. In this role, you will lead the design and development of scalable, API-driven solutions leveraging…
Added 2 days ago
V
Python Gen AI Developer
Virtusa
Mississauga, ON
- Full-time
We are seeking a highly skilled and experienced Lead Software Engineer to join our team. In this role, you will lead the design and development of scalable, API-driven solutions leveraging…
Added 2 days ago
Senior Software Engineer - Networking
Tigera
Vancouver, BC
Hands-on experience with Golang (preferred) and/or C, C++, Java
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Software Engineer - C++ / Python / Android / Java L1
Wipro
Ottawa, ON
- Full-time
…to one or more of the following technologies: C++, Python, Java, and Android…
Added 2 days ago
UC
AI Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto and Hamilton Area, ON
- Other
…is the primary priority for this role. We are looking for an engineer who excels at utilizing modern AI frameworks, LLMs, and intelligent automation to solve complex back-end…
Added 2 days ago
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Campus Graduate Full-Time Engineer - 2027 AI Engineering, Enterprise Technology Services- Toronto, Ontario, CN
American Express
Toronto, ON
- $82,000 to $124,000 USD / year
- Full-time
American Express is seeking innovative and motivated graduates to join Enterprise Technology Services as an AI Engineer I focused on AI Security Research. In this full-time role, you will…
Added 2 days ago
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Software Engineer in Test
IT Connex
Toronto, ON · Greater Toronto Area, Canada
- Contract
Architect scalable, Java-based test automation frameworks across UI, APIs, microservices, and data pipelines.
Added 2 days ago
LM
Senior Software Engineer - Product Lead - ISS Team
Lockheed Martin
Ottawa, ON
- $102,750 to $134,750 USD / year
- Full-time
he Senior Software Engineer is a technical leader and subject matter expert who combines hands-on software development with team leadership and mentorship. In this role, the successful…
Added 2 days ago
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Security Engineer - Digital Assets
eCapital Corp.
Canada
- Full-time
eCapital is seeking an experienced and highly motivated Digital Assets Security Engineer to join our growing Cybersecurity team. As we expand our adoption of digital technologies, this role…
Added 2 days ago
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Software Engineer
Dexian
Toronto, ON
- Contract
Job Description: Software Developer III – Java
Added 2 days ago
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Infrastructure Engineer/ Engineering Specialist/Platform Engineer
Brainhunter Systems Ltd
Toronto, ON
- Contract
As an Engineer Specialist you will play a critical role in enabling secure, reliable, and scalable technology environments that support key business operations. This role focuses on…
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Staff FullStack Engineer, Secures AI
Okta
Toronto, ON
- $160,000 to $220,000 CAD / year
- Full-time
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…
Added 2 days ago
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Associate Software Engineer - Full Stack
Ontario Power Generation
Oshawa, ON
- Full-time
Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Associate Software Engineer - Full Stack.
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Staff FullStack Engineer, Secures AI
Okta
Waterloo, ON
- $160,000 to $220,000 CAD / year
- Full-time
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…
Added 2 days ago
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Java Software Engineer
Tekshapers
Toronto, ON
- Full-time
Design, develop, and maintain high-quality, maintainable Java applications and services using clean code principles and established design patterns.
Added 2 days ago
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Software Engineer I
Wayfair
Toronto, ON
- $120,000 to $130,000 CAD / year
- Full-time
Experience or exposure to SQL, Java, and Python
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Staff FullStack Engineer, Secures AI
Okta
Kitchener, ON
- $160,000 to $220,000 CAD / year
- Full-time
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…

Ontario Power Generation

Associate Software Engineer - Full Stack

Oshawa, ON, Canada

Salary Range: $1,664.34 - $2,622.59 per week · Full-time

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Job details

Pay: Salary Range: $1,664.34 - $2,622.59 per week
Job type: Full-time
Apply by: Nov 28, 2026
Experience: Minimum of 4 years of relevant software development experience, including development, testing, maintenance, and support of production applications.
Posting language: English
Posted: Oct 29, 2026

Original job description

Posting End Date: 05/11/2026

Status: Regular

Number of Openings: 1

Education Level: Four-year university education in Computer Science, Software Engineering or a related field.

Base Location: 1908 Colonel Sam Drive, Oshawa, Ontario L1H 8W8

Shift: Days

Travel Required: 10%

Salary Range: $1,664.34 - $2,622.59 per week

Electrify your career and help build a brighter tomorrow.

Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us as we work to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.

Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on -- and off -- the job.

Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Associate Software Engineer - Full Stack.

Job Overview

Reporting to the Manager, IT Product Delivery, this position is responsible for delivering functional software by independently developing, testing, and maintaining applications, enhancing system architecture, ensuring system stability, and supporting team growth through code reviews and mentorship. It also includes promoting knowledge sharing through documentation, boosting application efficiency and scalability with performance optimizations, driving innovation by recommending emerging tools or practices, and contributing to team outcomes by fulfilling additional responsibilities as needed.

Key Accountabilities

Develop, test, and maintain high-quality software applications that meet user needs and support business objectives.
Contribute to system design and architecture discussions to improve scalability, reliability, and long-term maintainability.
Identify, troubleshoot, and resolve software defects efficiently to support system stability and a positive user experience.
Participate in code reviews, promote coding best practices, and support knowledge sharing across the development team.
Apply security, compliance, data protection, and industry best practices throughout the software development lifecycle.
Collaborate with cross-functional stakeholders to gather requirements, align on priorities, and deliver effective software solutions.
Create and maintain clear technical documentation for features, design decisions, processes, and system architecture.
Support continuous improvement by optimizing application performance, evaluating new tools and technologies, and adapting to evolving team and business needs.

Qualifications

Four-year university degree in Computer Science, Software Engineering, Computer Engineering, or a related field.
Minimum of 4 years of relevant software development experience, including development, testing, maintenance, and support of production applications.
Strong hands-on experience developing backend applications and services using C#, .NET, and Java including APIs, integrations, business logic, and data-access components.
Demonstrated ability to design and deliver secure, scalable, reliable, and high-performing software solutions using sound object-oriented design, software design patterns, secure coding practices, and established development standards.
Experience working with relational databases, cloud services, APIs, source control, automated testing, CI/CD pipelines, and production support practices.
Full-stack development experience with a primary strength in backend development; practical exposure to Angular or React is required to support effective collaboration across the full stack.
Experience working in an Agile environment, including iterative delivery, sprint planning, backlog refinement, estimation, peer code reviews, retrospectives, and close collaboration with cross-functional teams.
Demonstrated ability to quickly learn, assess, and apply new programming languages, frameworks, tools, and development practices based on changing business and technology needs.
Familiarity with AI tools and capabilities used in the software development lifecycle - such as AI-assisted coding, testing, code analysis, documentation, or automation - and the ability to use them responsibly with appropriate attention to security, privacy, quality, and human review.
Strong communication, collaboration, problem-solving, and documentation skills, with a demonstrated commitment to continuous improvement, knowledge sharing, engineering excellence, and high standards of quality, security, and reliability.

The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.

OPG is committed to fostering an inclusive, equitable, and accessible environment. If you require accommodation during the selection process, please contact AODA@opg.com.

What makes a career at OPG different?

With operations across Ontario, OPG is one of the most diverse power producers in North America. As the largest generator in Ontario, we meet approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro.

As we work to achieve our vision of Electrifying life in one generation, OPG and our family of companies are also helping advance the development of new low-carbon technologies such as Small Modular Reactors (SMRs), refurbishment projects, and electrification initiatives to help power the growing demands of a growing economy. Join OPG and make history.

The Darlington New Nuclear Project is leading the way in the advancement of Small Modular Reactor (SMR) technology in Canada – the future of nuclear power generation! Using new and innovative technologies such as small modular reactors, hydrogen and battery storage, while expanding our hydroelectric and nuclear portfolios, we are changing the electricity landscape in Ontario.

Important Information

The base salary range considers many factors including, but not limited to experience, education, and training, including any collective agreement requirements for union represented positions. It is not typical for the salary to be offered near the top of the range, and salary is dependent on numerous factors. For management roles, the base salary range does not represent the total compensation package. The total compensation package for regular full-time management roles includes pay-for-performance programs for annual and medium time periods. Maintaining a high-performance culture and excellence is a core expectation of every member of our leadership team and is rewarded through the established compensation framework.

OPG is committed to employment equity. As such, we encourage applicants from equity-seeking communities (Indigenous Peoples, racialized persons, persons with disabilities, and women). We strongly believe that alleviating the under-representation of equity-seeking individuals will create a stronger OPG team and allow us to better serve the needs of our diverse communities.

In order to fulfill the above-mentioned purpose, priority in hiring may be given to qualified persons who self-identify as a member of equity-seeking groups as identified in the application process. This initiative constitutes a special program under the Human Rights Code/Canadian Human Rights Act.

All job postings at OPG are to fill existing vacancies within our organization.

OPG may use artificial intelligence (AI) tools as part of the applicant screening process. However, applications will also be reviewed by a member of our Recruitment team to ensure a fair and thorough assessment.

Please submit your application online at https://jobs.opg.com/. OPG thanks all those who apply; however, only candidates considered for an interview will be contacted.

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More about this job

Responsibilities

Develop, test, maintain, and support software applications, contributing to system architecture, stability, security, and performance. Collaborate with stakeholders and the development team through requirements gathering, code reviews, documentation, knowledge sharing, and continuous improvement.

Requirements

Requires a four-year university degree in computer science, software engineering, computer engineering, or a related field, plus at least four years of relevant software development experience. Candidates need strong C#, .NET, and Java backend experience, practical Angular or React exposure, and experience with databases, cloud services, APIs, testing, CI/CD, Agile practices, and production support.

Skills

C#
.NET
Java
Backend Development
Full-Stack Development
Angular
React
API Development
Relational Databases
Cloud Services
Automated Testing
CI/CD
Agile Development
Secure Coding
Object-Oriented Design
Production Support

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET
Java
Angular
React
Full-Stack Development
Backend Development
API Development
Software Architecture
Object-Oriented Design
Software Design Patterns
Secure Coding
Relational Databases
Cloud Services
Source Control
Automated Testing
CI/CD Pipelines
Production Support
Agile
Sprint Planning
Backlog Refinement
Code Reviews
Performance Optimization
Application Security
Data Protection
AI-Assisted Development
Utilities
Electricity Generation
Nuclear Power
Small Modular Reactors

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