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Senior Software Engineer Jobs in Whitby, ON (NOW HIRING)

Tubi

Senior Software Engineer (Rust)

Toronto, ON · On-site

About the Role: We're looking for a Senior Software Engineer, ideally specializing in Rust, to lead the evolution of our backend platform and tooling. This role will focus on developing and ...

Makeship

Senior Software Engineer

Toronto, ON · On-site

  • Medical

  • Dental

  • PTO

What We Are Looking For We're looking for a Senior Software Engineer to play a key part in building, scaling, and shaping Makeship's platform as a part of one of the fastest-moving industries in the ...

Makeship

Senior Software Engineer

Toronto, ON · On-site

  • Medical

  • Dental

  • PTO

What We Are Looking For We're looking for a Senior Software Engineer to play a key part in building, scaling, and shaping Makeship's platform as a part of one of the fastest-moving industries in the ...

New Relic

Senior Software Engineer

Toronto, ON · On-site +1

We're looking for a Senior Software Engineer to join our Alerts teams within the Applied Intelligence group, focused on the backend services that ingest, persist, and retrieve the signal data ...

Apertera

Senior Software Engineer

Toronto, ON · On-site

  • Medical

  • Dental

  • Vision

Collaboration Job Summary We are seeking a talented and motivated Senior Software Engineer to contribute to the development and evolution of our SaaS platform. This role is primarily focused on ...

AutoTrader.ca

Senior Software Engineer

Toronto, ON · On-site +1

... Senior Software Engineer who takes end-to-end ownership, thrives in ambiguity, and wants to build systems that matter. This role is central to modernizing our platform so we can better detect fraud ...

AutoScout24

Senior Software Engineer

Toronto, ON · On-site +1

... Senior Software Engineer who takes end-to-end ownership, thrives in ambiguity, and wants to build systems that matter. This role is central to modernizing our platform so we can better detect fraud ...

Air-tek

Senior Software Engineer

Toronto, ON

CA$120K - CA$170K/yr

The Role * We're looking for Senior Software Engineers who are passionate about building high-quality, high-impact products - engineers who don't just write code, but solve problems, think creatively ...

Equinix

Senior Software Engineer

Toronto, ON · Remote

  • Medical

  • Life

  • Retirement

  • PTO

Job Summary Equinix's Digital Innovation Office is seeking a Senior Software Engineer - Marketing to support key Marketing Technology transformation initiatives, including the Lead-to-Cash (LTC) org ...

Equinix

Senior Software Engineer

Toronto, ON · Remote

  • Medical

  • Life

  • Retirement

  • PTO

Equinix's Digital Innovation Office is seeking a Senior Software Engineer - Marketing to support key Marketing Technology transformation initiatives, including the Lead-to-Cash (LTC) org cutover ...

Cority Software

Sr. Software Developer

Toronto, ON

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very interested in individuals who have a track record of finding creative solutions to unique problems and ...

Cority Software

Sr. Software Developer

Toronto, ON

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very interested in individuals who have a track record of finding creative solutions to unique problems and ...

Scotiabank

Senior Software Engineer

Toronto, ON · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

What do you need to succeed? * 7+ years of professional software development experience delivering scalable, high-performance systems. * 3+ years in a senior or lead developer capacity, providing ...

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Showing results 21-40

All JobsSoftware Engineer JobsSenior Software Engineer JobsSenior Software Engineer Jobs in Whitby, ON

Senior Software Engineer information

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

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

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

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

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.
More about Senior Software Engineer jobs

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

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

What are popular job titles related to Senior Software Engineer jobs in Whitby, ON?

For Senior Software Engineer jobs in Whitby, ON, the most frequently searched job titles are:

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

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

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

Senior Software Engineer (Rust)

Tubi

Toronto, ON • On-site

Full-time

Re-posted 28 days ago

Job description

About the Role:

We're looking for a Senior Software Engineer, ideally specializing in Rust, to lead the evolution of our backend platform and tooling. This role will focus on developing and maintaining critical Rust-based tools and infrastructure which could bring Tubi to its next era.

In this role, you'll architect and implement high-performance, secure, and scalable systems, collaborating closely with teams focused on compliance, privacy, experimentation, and infrastructure. You should be comfortable working independently across system boundaries and mentoring engineers while driving technical strategy.

We're particularly interested in engineers excited to learn and integrate AI-powered coding tools (e.g., Claude Code, Cursor) into their daily workflow to boost velocity and code quality. Prior experience with such tools is a plus.

What You'll Do:

  • Lead the design, development, and maintenance of Rust services and tools.
  • Collaborate with other backend & client teams to deliver high performance & scalable components/services.
  • Design and optimize systems for reliability, observability, and scale, with an emphasis on clean APIs and modular components.
  • Explore and integrate AI-based development tools into engineering workflows; evangelize productivity best practices within the team.
  • Partner with engineering leadership and cross-functional partners to drive technical vision and influence roadmap decisions.
  • Mentor engineers and foster a culture of technical rigor, curiosity, and continuous learning.

Your Background:

  • 4+ years of backend software development experience, including 1+ years using Rust in production environments.
  • Solid experience with Rust common stack, including but not limited to Tokio, Axum, Tonic, Hyper, Bytes, Serde, Tracing, etc. Experience with pingora stack is a big plus.
  • Deep understanding of distributed systems, event-driven architectures, and performance engineering.
  • Experience with cloud-native technologies (e.g., Kubernetes, gRPC, CDN, S3, Terraform) and modern observability stacks.
  • Familiarity with relational and non-relational databases (e.g., PostgreSQL, DynamoDB, Redis, Clickhouse, etc.).
  • Strong alignment with engineering craftsmanship - testing, documentation, reliability, and performance optimization.
  • Experience working with AI tools to enhance software engineering workflows is a plus

Apply