Whitby On Stack developer Jobs – 11 Openings This Week

Software Engineer, Full Stack
Ontario Power Generation —Oshawa, ON
- $1,664.34–$2,622.59 a week
- Temporary
- Computer science
- Azure
- Computer Science
8d
Senior Systems Developer/Designer
Municipal Property Assessment Corporation —Pickering, ON
- $95,160–$115,796 a year
- Hybrid work
- Computer science
- System design
- Research
15h
Fuse Integration Developer – P&C Insurance
Recutify Inc. —Markham, ON
- Full-time
- Hybrid work
- Computer Science
- Software troubleshooting
- DevOps
Quick apply
Senior AI Data Scientist
Biocode Ai —Canada
- Full-time
- Hybrid work
- Master's degree
- SQL
- Bachelor's
- Dental care
- Tuition reimbursement
Quick apply
Software Development Manager
BrightOrder Inc. —Canada
- $115,000–$125,000 a year
- Full-time
- Remote
- Computer Science
- Engineering
- English
- Dental care
- Vision care
Quick apply
F&O Developer
ISG Search Inc —Canada
- Full-time
- Computer Science
- Engineering
- Bachelor's
Quick apply
12d

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Software Engineer, Full Stack
Ontario Power Generation —Oshawa, ON
Demonstrated understanding of software engineering fundamentals, including domain-driven design, object-oriented design, design patterns, clean code principles,…
$1,664.34–$2,622.59 a week
8d
Full Stack Developer
WeVend —North York, ON
Bachelor’s degree in computer science, engineering, or a related field. Design, develop, and maintain payment gateway integrations to Third Party Platforms to…
$80,000 a year
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Software Engineer, Full Stack

Ontario Power Generation -
Oshawa, ON

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Job details

Temporary
$1,664.34–$2,622.59 a week
8 days ago

Qualifications

CI/CD
Computer science
Software engineering
Azure
Defect resolution root cause analysis
Computer Science
Software Engineering
Software troubleshooting
React
RESTful API
Enterprise software
Engineering
C#
System design
Responsive design
Databases
OOP
Bachelor's
Containerization
Distributed systems
Decision making
Back-end development
Mentoring
Agile
React.js
Root cause analysis
Cross-functional collaboration
Business
Software development or architecture experience
TypeScript
Cross-functional communication

Full job description

Posting Start Date: 25/08/2026

Posting End Date: 09/09/2026

Status: Temporary 36 months

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: 0%

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 Software Engineer, Full Stack.

Job Overview

Ontario Power Generation (OPG) is seeking a high-performing, product-minded Software Engineer, Full Stack to help design and deliver modern, scalable software solutions that power critical business capabilities. This role is ideal for an engineer who combines strong hands-on technical depth with sound judgment, a bias for action, and a commitment to engineering excellence.

Reporting to the Manager, IT Product Delivery, you will play a key role in building and evolving enterprise applications across the full stack, with a primary focus on frontend development using React and TypeScript and backend services built with .NET 10 and C#. You will partner closely with product, design, architecture, QA, and business stakeholders to translate requirements into reliable, secure, and maintainable solutions.

The successful candidate is a strong collaborator who can independently drive delivery, contribute to architecture and design decisions, raise the quality bar through code reviews and best practices, and continuously improve team velocity, system performance, and developer experience. Experience with Azure and cloud-native patterns is considered a strong asset.

Key Accountabilities

Design, build, test, deploy, and maintain high-quality full-stack software solutions using React, TypeScript, .NET 10, and C#.
Own delivery of features end-to-end, from technical design and implementation through testing, release, and post-production support.
Contribute to architecture and system design decisions with a focus on scalability, resiliency, security, performance, and long-term maintainability.
Build intuitive, responsive, and accessible user interfaces while ensuring clean integration with backend APIs and services.
Develop and enhance backend services, business logic, and integrations to support reliable, secure, and efficient application workflows.
Troubleshoot complex production issues, perform root cause analysis, and implement durable fixes that improve system stability and operational excellence.
Elevate engineering standards through thoughtful code reviews, technical documentation, mentoring, and active knowledge sharing across the team.
Partner effectively with cross-functional stakeholders to clarify requirements, manage technical trade-offs, identify opportunities for improvement, and deliver measurable business value.

Qualifications

Four-year university degree in Computer Science, Software Engineering, or a related discipline.
Minimum 4+ years of professional software development experience, excluding co-op or internship experience.
Strong hands-on experience building modern web applications with React and TypeScript.
Strong backend development experience with C# and .NET, ideally including experience with modern .NET platforms such as .NET 10.
Demonstrated understanding of software engineering fundamentals, including domain-driven design, object-oriented design, design patterns, clean code principles, and secure coding practices.
Experience designing and consuming RESTful APIs, working with databases, and integrating distributed systems or third-party services.
Experience working in Agile delivery environments and collaborating effectively with cross-functional teams in a fast-paced setting.
Experience with Azure services, cloud-native development, CI/CD pipelines, containerization, or DevOps practices is an asset.

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 [email protected].

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.

Apply Now

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stack developer jobs in whitby on

Software Engineer, Full Stack

Senior Systems Developer/Designer

Fuse Integration Developer – P&C Insurance

Senior AI Data Scientist

Software Development Manager

F&O Developer

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