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Senior Software Developer Jobs in Markham, ON (NOW HIRING)

Clio

Senior Software Developer

Toronto, ON · Hybrid

CA$144K - CA$195K/yr

We are currently seeking a Senior Software Developer to join our rapidly growing Engineering team. This role is for someone who is passionate about building innovative solutions and being exposed to ...

BMO Capital Markets

Senior Software Developer

Toronto, ON · On-site

CA$75K - CA$141K/yr

Applies deep knowledge of algorithms, data structures and programming languages to develop high quality technology applications and services - including tools, standards, and relevant software ...

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

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 ...

hive.co

Senior Software Developer

Toronto, ON · Remote

CA$123K - CA$187K/yr

The Opportunity Our Engineering team owns the code that lets our customers do powerful things with ... You've seen the inner workings of how software is made by a team on a shared codebase - you can ...

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Senior Software Developer information

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

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

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

More about Senior Software Developer jobs

What are the most commonly searched types of Software Developer jobs in Markham, ON?

The most popular types of Software Developer jobs in Markham, ON are:

What are popular job titles related to Senior Software Developer jobs in Markham, ON?

For Senior Software Developer jobs in Markham, ON, the most frequently searched job titles are:

What cities near Markham, ON are hiring for Senior Software Developer jobs?

Cities near Markham, ON with the most Senior Software Developer job openings:

Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Markham, ON as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution.

Senior Software Developer

Royal Bank of Canada

Toronto, ON • On-site

Full-time

Re-posted 23 days ago

Job description

Job Description

What is the opportunity?

We're seeking a Senior Software Developer to join our engineering team. You'll design, build, and maintain scalable applications across our full technology stack, working with modern frameworks and cloud-native infrastructure. This role offers the opportunity to mentor junior engineers, influence technical direction, and take ownership of complex projects from conception through production.

What will you do?

  • Develop and optimize full-stack applications using React for frontend experiences, with Node.js and Python for backend services.

  • Collaborate with cross-functional stakeholders (product, architecture, security) to translate requirements into scalable solutions

  • Beyond these core technologies, you'll evaluate and integrate new tools as business needs evolve.

  • Responsibilities include writing clean, maintainable code; conducting code reviews; participating in architecture discussions;

  • Collaborating cross-functionally with product and design teams; and ensuring applications meet performance, security, and reliability standards.

  • Contribute to documentation, participate in on-call rotations, and help establish engineering best practices.

What you need to succeed?

Must Have:

  • 3+ years of software development experience

  • Polyglot programming expertise (JavaScript, Python, HTML5/CSS, Shell scripts)

  • Expert-level full-stack development (React/HTML5, Node.js/Python, microservices)

  • Strong fundamentals: AI, agent, MCP server/client, microservices, OAuth2, PostgreSQL, OOP, design patterns, security

  • Demonstrated ability to mentor and lead technical teams

  • Experience influencing technical decisions and owning solution architecture

  • Ability to work in a fast paced and agile development environment


Nice to Have:

  • Cloud platforms (OpenShift, AWS, Azure)

  • DevOps expertise (GitHub, Docker, Kubernetes)

  • Test automation frameworks and CI/CD pipeline optimization

  • Experience with agile transformation or process improvement

  • AI-assisted development tools (GitHub Copilot, Windsurf, Claude Code)

What's in it for you?

We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

  • A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable

  • Leaders who support your development through coaching and managing opportunities

  • Ability to make a difference and lasting impact

  • Work in a dynamic, collaborative, progressive, and high-performing team

  • Flexible work/life balance options

  • Opportunities to do challenging work.

#LI-POST

Job Skills

Active Learning, Agile Environments, Agile Methodology, Application Integrations, Building Architecture, Code Maintainability, Code Reviews, Design Patterns, Detail-Oriented, DevOps, Enterprise Application Delivery, Full Stack Development, Group Problem Solving, Microservices Architecture, Node.js, Programming Languages, React.js, Software Development Life Cycle (SDLC), TypeScript

Additional Job Details

Address:

745 THURLOW ST:VANCOUVER

City:

Vancouver

Country:

Canada

Work hours/week:

37.5

Employment Type:

Full time

Platform:

TECHNOLOGY AND OPERATIONS

Job Type:

Regular

Pay Type:

Salaried

Posted Date:

2026-02-24

Application Deadline:

2026-08-29

Note: Applications will be accepted until 11:59 PM on the day prior to the application deadline date above

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One RBC. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

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Expand your limits and create a new future together at RBC. Find out how we use our passion and drive to enhance the well-being of our clients and communities at jobs.rbc.com.

RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.

Employment Type: FULL_TIME

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