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Remote Senior Software Engineer Jobs in Toronto, ON

We are looking for a Staff Software Engineer who can contribute across the product - building new ... You have experience in working in a remote-first environment. * You have worked with social media ...

Senior Software Developer (Remote)

Toronto, ON ยท Remote

CA$110K - CA$145K/yr

What You'll Do as a Senior Software Developer * Design & Scale Robust Architecture: Develop and ... Remote first environment * "Work from (Almost) Anywhere" policy How We Hire (and How We Use AI): We ...

Senior Desktop Software Developer

Toronto, ON ยท Remote

CA$160K - CA$175K/yr

Remote Senior Desktop Software Developer About Sync Sync.com is a leading end-to-end encrypted cloud storage platform operating at significant scale across dual data centers. We build secure, privacy ...

As a Senior Software Developer , you'll play a key role in designing and building high-performing ... Flexible remote work options * Generous vacation and paid time off * Comprehensive health, dental ...

Software Engineer Job Type: Contract Location: Remote Job Summary: We are looking for experienced software engineers to help train and evaluate next-generation AI systems through real-world software ...

Responsibilities As a Senior Back-End Software Engineer, you will be at the forefront of our ... We are fully remote, with team members in the United States and Europe. Benefits include: * Equity ...

As a Senior Software Developer, you will be responsible for designing, developing and managing the ... We are looking for an engineer who embraces modern AI tools as a core part of their development ...

Senior Software Developer

Oakville, ON ยท On-site +1

CA$120K - CA$135K/yr

Our client is seeking an experienced Senior Software Developer (Full Stack) with 7+ years of commercial software development experience to join their team in Oakville. In this role, you will lead the ...

Showing results 41-60

Remote Senior Software Engineer information

What does a remote senior software engineer do?

As a remote senior software engineer, your job is to code, test, and debug computer software applications for your employer. In this role, you may test the deployment of software within your network, ensure it functions properly on each operating system, choose which programming language to use, and help manage the development process. Senior software engineers frequently guide and review work from junior software engineers, determine how to translate business requirements into technical specifications, and provide input on hiring decisions relevant to the company's programming needs. Remote senior software engineers do all of this work from home or from a personal office. You use phones, email, text, and virtual office software to stay in touch with other employees.

What is a senior software engineer remote?

A senior software engineer job is a remote, high-level position that involves programming code and software. You work from home and telecommunicate with other IT support staff. A senior software engineer can work on various systems, but your duties are similar. Your responsibilities are to develop, test, and debug code. You may also build, update, or manage a software network. A software engineering professional often works on the entire development life cycle and must find and correct issues quickly and efficiently.

What does a remote senior software engineer do?

A Remote Senior Software Engineer designs, develops, and maintains complex software systems while working from a location outside of the traditional office. They often lead development teams, set technical direction, review code, and mentor junior engineers. Their responsibilities include collaborating with cross-functional teams, ensuring code quality, and implementing best practices in software development. Remote Senior Software Engineers use various communication and project management tools to stay connected with their teams and deliver high-quality software solutions efficiently.

What are the key skills and qualifications needed to thrive as a remote senior software engineer, and why are they important?

To thrive as a Remote Senior Software Engineer, you need deep expertise in software development, architecture, and problem-solving, typically supported by a degree in computer science and several years of professional programming experience. Proficiency with version control systems (like Git), cloud platforms (such as AWS or Azure), and familiarity with CI/CD pipelines and relevant certifications are highly valued. Excellent communication, self-motivation, and time management skills help you excel in remote, cross-functional teams. These skills ensure you can deliver high-quality solutions, collaborate effectively, and lead complex projects independently.

What are some common challenges faced by remote senior software engineers and how can they be addressed?

Remote Senior Software Engineers often face challenges such as maintaining effective communication across different time zones, ensuring strong collaboration with distributed teams, and staying aligned with project goals. Proactively scheduling regular check-ins, utilizing collaboration tools like Slack or Jira, and setting clear expectations can help overcome these hurdles. Additionally, building strong documentation habits and fostering relationships through virtual meetings can enhance teamwork and project success.

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

AspectRemote Senior Software EngineerRemote Software Developer
Required CredentialsBachelor's degree in CS or related field, 5+ years experience, advanced coding skillsBachelor's degree or equivalent, 1-3 years experience, strong coding skills
Work EnvironmentCollaborates on complex projects, mentors junior staff, involved in architecture decisionsFocuses on coding, testing, and implementing features, less mentorship
Employer & Industry UsageTech companies, startups, enterprise software firmsStartups, tech firms, freelance projects

The Remote Senior Software Engineer typically has more experience, handles complex tasks, and mentors others, whereas the Remote Software Developer focuses on coding and implementing features with less leadership responsibility.

What are the most commonly searched types of Senior Software Engineer jobs in Toronto, ON?

The most popular types of Senior Software Engineer jobs in Toronto, ON are:

What job categories do people searching Remote Senior Software Engineer jobs in Toronto, ON look for?

The top searched job categories for Remote Senior Software Engineer jobs in Toronto, ON are:

What cities near Toronto, ON are hiring for Remote Senior Software Engineer jobs?

Cities near Toronto, ON with the most Remote Senior Software Engineer job openings:

Infographic showing various Remote Senior Software Engineer job openings in Toronto, ON as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution.

Senior Software Engineer, Server Security

MongoDB

Toronto, ON โ€ข On-site, Remote

Full-time

Re-posted 22 days ago


Job description

We are hiring a Senior Software Engineer to join our Server Security team. The Server Security team is a development-focused group within MongoDB's core engineering organization. Operating "close to the bottom of the stack," the team builds features that enable database users to secure their data globally. You will work on critical components including:

  • Cryptography: Queryable Encryption, at-rest data encryption, and fundamental cryptographic principles.
  • Identity & Access: Authentication and authorization systems, TLS, and X.509 certificate management
  • Network Security: High-performance, low-latency networking protocols (PKI, Hashing, CRLs)
  • System Integrity: Resilience, observability, and compliance assurance within a large-scale distributed database

Our team champions a strong culture of inclusivity, diversity, and collaboration. If you want to work on a collaborative team that applies distributed systems fundamentals to deliver core features of a popular database, join us! Let's change what's possible for application developers, system architects, and database operators.

The role

As a Senior Engineer, you will apply distributed systems fundamentals to deliver core security features. You will be a leader in improving MongoDB's security posture by owning features and leading investigations into complex areas of the codebase. What you'll do:

  • Build and test new security features in a large, feature-rich C++ codebase
  • Work across engineering, cloud services, and support teams to coordinate feature rollouts and changes
  • Stand for code quality and security best practices, assisting fellow engineers in writing well-reasoned, secure code
  • Use strong diagnostic intuition to solve thorny technical issues related to distributed systems, concurrency, and OS internals

This role can be remote or hybrid anywhere in the USA or Canada. We will prioritize candidates who are already located in one of these countries.

Candidate Profile

We are looking for a highly technical engineer who thrives on the theory and practice of large-scale distributed system design.

  • 5+ years of experience building distributed systems
  • Proficiency in a compiled language (C++, Rust, Go, Java, or similar). Technical interviews will be conducted in a compiled language of your choice
  • Ability to reason about how specific design choices impact a distributed system like MongoDB
  • Understands modern computer architecture and internals to the degree that they can reason about how specific design choices plays out in a system like MongoDB
  • Degree in Computer Science or similar field, or equivalent practical experience, with strong competencies in data structures, algorithms, and software design/architecture
  • Excellent communication skills to synthesize complex technical implications for diverse stakeholders
Success Measures
  • In your first month, you'll understand the high-level architecture of MongoDB, dive into the details of your team's components, and resolve a few bugs
  • In the first three months, you'll contribute to the development of a project slated for the next release of MongoDB, take on code review responsibilities, and participate in design reviews for new features
  • In the first six months, you'll lead the development of a new feature and help mentor new engineers on the team
About MongoDB

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the data platform for the AI era, enabling builders to create, transform, and disrupt industries with software. MongoDB's unified data platform, the most widely available, globally distributed data platform on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud data platform and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and over 67,000 customers, including 75% of the Fortune 100 and AI-native startups, relying on MongoDB for their most important applications, we're powering the next era of software.

Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It's what makes us MongoDB.ย 

To drive the personal growth and business impact of our employees, we're committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees' wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it's like to work at MongoDB, and help us make an impact on the world!

MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.

MongoDB is an equal opportunities employer.

Req ID: 1273412835