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Sr Software Developer Jobs in Ontario (NOW HIRING)

Merative

Senior Software Developer

Mississauga, ON · On-site

Knowledge, skills, training, and experience in software requirements and design engineering skills using a well-defined disciplined engineering process or methodology; * Familiarity with Microsoft ...

StackandCo

... 2 senior developers of e\-commerce solutions for our client using Magento, CloudSense and MuleSoft integration. In relation to Magento there is possibly flexibility to consider Developers with PHP ...

StackandCo

... 2 senior developers of e\-commerce solutions for our client using Magento, CloudSense and MuleSoft integration. In relation to Magento there is possibly flexibility to consider Developers with PHP ...

Warnerbros

Senior Software Developer

Kanata, ON · Hybrid

Code! Be passionate about software engineering with a strong sense of ownership for the code that you and your team write. * Support others on your team through code reviews, pairing and ...

Autodesk

Senior Software Developer

Toronto, ON · On-site

CA$107K - CA$157K/yr

Bachelor in Computer Engineering with5+ years working experience or equivalent MS. * Comprehensive technical knowledge and experience in software development methodologies, design, implementation ...

Propel Holdings

Sr. Software Developer

Toronto, ON · On-site

CA$110K - CA$135K/yr

Proactively address any software issues and resolve quickly and effectively Requirements * 10+ years of work experience as a full stack developer (Java+ React/Angular) or any similar role * Exposure ...

TMX Group

Senior Software Developer

Toronto, ON · Hybrid

We are looking for a Senior Software Developer who loves writing code but also enjoys thinking about how the entire system fits together. You will be a key player in our core development team ...

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Sr Software Developer information

What are some typical challenges Sr software developers face when leading project teams, and how can they effectively manage them?

Sr Software Developers often encounter challenges such as balancing coding responsibilities with mentoring junior team members, aligning technical solutions with business goals, and managing project timelines across cross-functional teams. Effective management involves clear communication, setting realistic expectations, and fostering a collaborative environment where team members can share ideas and resolve issues quickly. Leveraging agile methodologies and regular code reviews can also help maintain project momentum and ensure high-quality deliverables.

What is the difference between Sr Software Developer vs Software Engineer?

AspectSr Software DeveloperSoftware Engineer
Required CredentialsBachelor's degree in CS or related field; experience often preferredBachelor's or higher in CS or related field; certifications optional
Work EnvironmentDevelops software, collaborates with teams, and mentors junior staffDesigns, develops, tests, and maintains software applications
Employer & Industry UsageUsed across tech companies, startups, and enterprise firmsCommon in software development firms, tech companies, and IT departments

Both roles involve software development, but Sr Software Developers typically have more experience, leadership responsibilities, and mentorship duties. Software Engineers focus on designing and building software solutions, often with a broader scope. The roles overlap significantly, but the seniority and leadership aspect distinguish the Sr Software Developer from a general Software Engineer.

What do senior software developers do?

Senior software developers design, develop, and maintain software applications, often leading projects and mentoring junior team members. They analyze user requirements, write clean code, perform testing, and collaborate with cross-functional teams to ensure software quality and performance. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.

What is a Sr software developer?

Sr Software Developers are experienced professionals responsible for designing, developing, and maintaining complex software applications. They typically lead technical teams, make architectural decisions, and mentor junior developers. Their role often involves collaborating with stakeholders to define requirements, ensuring code quality, and staying updated with emerging technologies. Senior developers play a crucial part in the software development lifecycle, helping to deliver robust and scalable solutions.

What are the key skills and qualifications needed to thrive as a Sr software developer?

To thrive as a Sr Software Developer, you need advanced proficiency in programming languages (such as Java, Python, or C#), software architecture, and a bachelor's or master’s degree in computer science or a related field. Familiarity with development tools like Git, integrated development environments (IDEs), cloud platforms, and relevant certifications (e.g., AWS Certified Developer) are typically expected. Strong problem-solving, leadership, collaboration, and communication skills help you mentor junior developers and work effectively within teams. These abilities are crucial to building robust software solutions, driving technical excellence, and ensuring successful project delivery.
What cities in Ontario are hiring for Sr Software Developer jobs? Cities in Ontario with the most Sr Software Developer job openings:
Sr Software Developer jobs near you
Infographic showing various Sr Software Developer job openings in Ontario as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Senior Software Developer, tvOS

Warnerbros

Kanata, ON

Full-time

Medical, Life, Retirement, PTO

Re-posted 23 days ago

Job description

Welcome to Warner Bros. Discovery... the stuff dreams are made of.

Who We Are...

When we say, "the stuff dreams are made of," we're not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD's vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the creators bringing them to your living rooms and the dreamers creating what's next...

From brilliant creatives, to technology trailblazers, across the globe, WBD offers career defining opportunities, thoughtfully curated benefits, and the tools to explore and grow into your best selves. Here you are supported, here you are celebrated, here you can thrive.

We are the now and the next. The power behind the people building the future. We are born from the spirit of innovation. We are created from the idea that people around the world want more, need more, deserve more. We are the home of the global digital revolution. We are CNN.

To see what it's like to work atCNN, follow @WBDLife onInstagramandX!

About the Job

We are searching for a Senior iOS/tvOS Software Developer to join the CNN Mobile and Connected TV (CTV) Engineering Teams. They are an individual contributor, self-directed, able to work with minimal supervision, and is typically expected to take on the most difficult technical challenges. The Senior Developer will contribute to the technical direction, supporting the Principal Engineers/Architects in defining the technology strategy and implementation. He/she will provide guidance and mentoring to less experienced developers. We need our engineers to be versatile and always eager to tackle new problems while working in a fun, collaborative and fast-paced environment. 

The Senior iOS/tvOS Software Developer contributes to mobile and CTV technology strategy, architecture, best practices, and choice of tools and technology stack across iOS and tvOS app platforms, supporting backend APIs, CI/CD tools, and testing automation. They ensure technical execution and release of CNN's mobile and CTV apps to end consumers. They partner with Product, Design and Delivery Leaders to help teams deliver on product initiatives and operational execution.

About the Team

This is a great opportunity for an individual that is passionate about building mobile and CTV apps for News audiences. Our team builds innovative and creative user experiences taking advantage of the latest features and technologies that CNN has to offer.

The Daily

  • Architect and build intuitive, simple and elegantly designed mobile and CTV apps that people want to use

  • Provide support and development of software tools and procedures to extend and enhance the core production pipeline

  • Work with multiple departments, including Product, Design, Delivery, Editorial and Engineering to implement CNN Digital consumer experience solutions and apps

  • Assist with troubleshooting production problems, root cause analysis, and debugging

  • Development and maintenance of existing production systems supporting CNN's digital ecosystem

  • Mentor more junior developers

  • Ensure software development follows industry best practices, policies and guidelines. Specifically, ensuring that technical solutions are in line with established CNN Digital strategy, standards in respect to architecture, security, corporate governance, coding standards, monitoring, logging, unit test, and service enablement

The Essentials

  • BS/MS in computer science (or equivalent)

  • Demonstrated advanced understanding of troubleshooting, root-cause analysis, application design, solution development, human factors/usability design, and implementation of projects for major business units or the enterprise

  • Minimum 5 years professional development environment

  • Strong foundation in programming fundamentals such as data structures and algorithms

  • Ability to develop new and innovative applications as well as maintaining existing code

  • Demonstrated full-stack development experience with mobile and CTV native clients, SDKs, and APIs (Swift/Objective-C, SwiftUI, iOS/tvOS platforms)

  • Demonstrated expert knowledge of software development methodologies, practices, and architecture, specifically experience architecting performant, scalable, and secure mobile and CTV apps

  • Hands-on experience with mobile/CTV DevOps CI/CD tools and implementing best practices, including automation of deployment, code signing tools and automated tests. Preferred familiarity with Git and Bitrise.

  • Ability to communicate effectively, both written and verbal, with technical and non-technical cross-functional teams

  • Experience building flexible software architecture to accommodate shifting business needs

The Nice to Haves

  • Knowledge of Cloud Computing platforms such as Amazon AWS

  • General familiarity with database technologies (SQL/RDBMS, NoSQL, GraphDB, etc.)

  • Knowledge of or previous experience with VOD is a plus, including experience working with video playback on iOS/tvOS apps

How We Get Things Done...

This last bit is probably the most important! Here at WBD, our guiding principles are the core values by which we operate and are central to how we get things done. You can find them at www.wbd.com/guiding-principles/ along with some insights from the team on what they mean and how they show up in their day to day. We hope they resonate with you and look forward to discussing them during your interview.

Championing Inclusion at WBD

Warner Bros. Discovery embraces the opportunity to build a workforce that reflects a wide array of perspectives, backgrounds and experiences. Being an equal opportunity employer means that we take seriously our responsibility to consider qualified candidates on the basis of merit, without regard to race, color, religion, national origin, gender, sexual orientation, gender identity or expression, age, mental or physical disability, and genetic information, marital status, citizenship status, military status, protected veteran status or any other category protected by law.

If you're a qualified candidate with a disability and you require adjustments or accommodations during the job application and/or recruitment process, please visit our accessibility page for instructions to submit your request.

In compliance with local law, we are disclosing the compensation, or a range thereof, for roles in locations where legally required. Actual salaries will vary based on several factors, including but not limited to external market data, internal equity, location, skill set, experience, and/or performance. Base pay is just one component of Warner Bros. Discovery's total compensation package for employees. Pay Range: $114,100.00 - $182,600.00 salary per year. Other rewards may include annual bonuses, short- and long-term incentives, and program-specific awards. In addition, Warner Bros. Discovery provides a variety of benefits to employees, including health insurance coverage, an employee wellness program, life and disability insurance, a retirement savings plan, paid holidays and sick time and vacation.This position is open for an existing position vacancy.

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