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Senior Developer Jobs in Whitby, ON (NOW HIRING)

Senior Backend Developer

Toronto, ON · Hybrid

CA$100K - CA$140K/yr

The Opportunity ShyftLabs is looking for a Senior Developer to help design, build, and scale our next generation of data-driven platforms and systems. This role sits at the intersection of platform ...

Senior Core Java Developer

Toronto, ON · Hybrid

CA$135K - CA$140K/yr

Our challenge We are seeking a Senior Developer with an excellent command of Java to supplement the Equities Technology / Cash & Electronic team. We invest heavily in our front office electronic ...

Not at TD, anyway. DevOps Engineer covers a number of functional disciplines or practice areas. These technology professionals demonstrate incredible commitment through their participation in a ...

New

Enough about us, let's talk about you About the team We're growing our DevOps & Platform Engineering practice and are seeking an experienced Senior Manager to help lead it. Platform Engineering is ...

This role reports to a Sr Engineer, Low-Code, Supervisor, AI and Apps, or Manager, AI and Apps. What you'll do: Guide clients on different ways to employ Microsoft Power Platform to solve current ...

Showing results 41-60

Senior Developer information

What is the difference between Senior Developer vs Software Engineer?

AspectSenior DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related field, experience, certificationsBachelor's or higher in CS or related field, certifications common
Work EnvironmentDevelopment teams, project-based work, collaborativeDesign, develop, test software across various industries
Employer & Industry UsageTech companies, startups, enterprise firmsTech, finance, healthcare, and other sectors
Common Search & ComparisonYesYes

While both Senior Developers and Software Engineers possess strong technical skills and often share similar educational backgrounds, Senior Developers typically focus more on leading projects, mentoring, and code quality within development teams. Software Engineers may have a broader scope, including system design and architecture, often working across multiple projects or platforms. The roles overlap significantly, but the Senior Developer role emphasizes leadership and hands-on coding expertise.

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

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

Infographic showing various Senior Developer job openings in Whitby, ON as of August 2026, with employment types broken down into 81% Full Time, 3% Part Time, and 16% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Principal Software Developer

Toronto, ON • On-site, Remote

Momentum Financial Services Group
1 - 5K employees

Full-time

Medical, Dental

Re-posted 20 days ago


Key responsibilities

  • Design, implement, and maintain complex software systems.

  • Collaborate with cross-functional teams to deliver scalable solutions that align with business objectives.

  • Mentor and support junior developers, fostering technical growth and best practices.


Job description

Who We Are

At Momentum Financial Services Group, we help people move forward by reimagining how money works for those who need it most. With more than 40 years of experience, we're the team behind Money Mart-Canada's largest non-bank branch network-and a leader in financial solutions for underserved communities.

From short-term loans to money transfers and prepaid cards, we power the products, technology, and operations that connect over a million customers a year to the money they need, when they need it.

At MFSG, we come together across teams and departments to create something bigger than ourselves: solutions that remove barriers and give people access to money they might not get anywhere else. Whether you're solving problems, building systems, or shaping strategy, your work fuels real support for real people.

We've Got You Covered

  • Compensation Philosophy: Our strategy is simple-we aim to match the market. We regularly review industry standards to ensure our total rewards package is competitive and fair. This commitment helps us attract and retain talented individuals who share our purpose.
  • Discretionary Annual Bonus: Enjoy the opportunity for a discretionary bonus based on individual performance and company success.
  • Comprehensive Benefits: Our benefits include health and dental plans with 100% of the premiums covered. We also offer an Employee Assistance Program to support your mental well-being and provide resources for personal challenges.
  • Retirement Plans: Plan for your future with our robust retirement savings options, ensuring you're set for the long haul.
  • Hybrid Work Environment: Experience the best of both worlds with our hybrid work model, allowing you to balance remote work with in-office. When you're at our corporate head office, enjoy a relaxed and collaborative environment featuring breakout rooms for brainstorming and unwinding, plus a variety of snacks to keep you energized throughout the day.
  • Perks and Rewards: Enjoy reimbursement for tuition assistance and professional development, discounts through Perkopolis and participate in our rewards and recognition programs to celebrate your contributions.

The Job: Senior Developer

As a Senior Developer, you will be responsible for designing, developing, and maintaining complex software systems, mentoring junior developers, and ensuring high standards of code quality and system performance; and collaborate with cross-functional teams to deliver scalable solutions that align with business objectives.

What You'll Do

Software Development & Design

  • Design, implement, and maintain robust, scalable, and efficient applications using modern development practices. System Architecture: Contribute to system and application architecture design, ensuring maintainability, security, and performance.

Secure Coding & Quality

  • Write clean, testable, and efficient code; conduct thorough code reviews; and enforce coding best practices.
    Implement secure coding practices to protect sensitive financial data.

Collaboration & Communication

  • Work closely with product managers, designers, QA engineers, and stakeholders to translate requirements into technical solutions.

Problem Solving

  • Analyze complex technical issues, propose solutions, and implement fixes in a timely manner.

Continuous Improvement

  • Stay updated with emerging technologies, tools, and practices to enhance development processes and outcomes.

Mentoring & Leadership

  • Mentor and support junior developers, fostering technical growth and best practices.

What You'll Bring to the Table

  • Proficiency in one or more programming languages (e.g., C#, Python, JavaScript/TypeScript).
  • Strong knowledge of frameworks (e.g., .NET, React, Nextjs, Angular, Node.js).
  • Solid understanding of databases (SQL and NoSQL).
  • Familiarity with cloud platforms (AWS, Azure, GCP).
  • Experience with CI/CD pipelines, containerization (Docker, Kubernetes), and DevOps practices.
  • Experience with unit testing frameworks (e.g., NUnit, MSTest, Mocha, Jasmine)

Education + Experience

  • Bachelor's Degree in Computer Science, Software Engineering.
  • Minimum 12+ years of professional software development experience, with at least 2 years in a senior/lead role.
  • Experience in Agile/Scrum environments. 
  • Exposure to microservices architecture.
  • Knowledge of automated testing frameworks.

Ready to apply your development expertise to make a real impact? Join us and help shape the future of software development at MFSG. Apply today and let's build the future of MFSG, together.

Committed to Equal Opportunity: 
MFSG is committed to accommodating applicants up to the point of undue hardship during the recruitment, assessment and selection process. If you are selected for an interview, please notify MFSG if you require accommodation in respect of the materials or procedures used at any time during this process. If you require accommodation, MFSG will work with you to determine how to meet your needs. 

Please note: The salary range for this position is between C$ 160,000.00 to $175,000.00