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Senior Full Stack Software Developer Jobs in Oakville, ON

Moneris

Senior Full Stack Developer

Toronto, ON · On-site +1

CA$100K - CA$142K/yr

Senior Full Stack Developer Design and build secure, scalable backend services, integrations, and ... You will report to the Manager of Software Development Posting Type : New Position Salary Range

KEV Group

Senior Full Stack Engineer

Toronto, ON

Who We Are At KEV, we build mission-critical financial software for K-12 schools on a massive scale ... We are hiring a Senior Developer to help design, evolve, and scale the core systems that power KEV ...

Proof

Senior Full-Stack Developer (Canada)

Toronto, ON · Remote

CA$155K - CA$175K/yr

Our platform is growing rapidly, with a 10% month-over-month growth, and we are seeking a skilled and motivated Senior Full-Stack Developer to join our talented engineering team as we scale and ...

Solink

Senior Full-Stack Engineer (Media Team)

Toronto, ON · Remote

CA$115K - CA$173K/yr

Senior Full-Stack Engineer (Media Team) Location: Ottawa, ON or Toronto, ON | Hybrid Department: R&D | Video Type: Permanent | Full-Time Vacancy Status: This is an active, approved role and we are ...

Quartermaster Inc.

Senior Full Stack Developer

Toronto, ON · On-site

CA$150K - CA$190K/yr

ROLE SALARY BAND $150,000 - $190,000 ROLE OVERVIEW The Senior Full stack Developer is a key contributor responsible for delivering high-quality, scalable software across the frontend and backend.

Citi

React Full Stack Developer

Mississauga, ON · On-site

Job Overview We are looking for experienced Full-Stack Software Engineers who are passionate about solving business problems through innovation and engineering practices. This role will be ...

Human Agency

Senior Full-Stack Engineer

Toronto, ON

We're seeking a Senior Full-Stack Engineer to join our growing team. In this role, you'll lead ... DevOps & Operationalization * Establish CI/CD pipelines and formal release structures for software ...

Lifeworks

Senior Full Stack Developer

Toronto, ON · On-site

CA$100K - CA$140K/yr

... software developers. If you thrive in an environment where you can balance hands-on development ... full-stack development * Advanced proficiency in frontend technologies: HTML5, CSS, JavaScript ...

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Senior Full Stack Software Developer information

What is a senior full stack software developer?

A Senior Full Stack Software Developer is an experienced professional who designs, develops, and maintains both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to work on the entire technology stack, from databases and servers to user interfaces. In addition to coding, they often lead projects, mentor junior developers, and help architect scalable solutions that meet business needs. Their role requires strong problem-solving skills, a deep understanding of software development best practices, and the ability to collaborate with cross-functional teams.

What are the key skills and qualifications needed to thrive as a senior full stack software developer?

A Senior Full Stack Software Developer needs advanced proficiency in both front-end and back-end programming languages, strong problem-solving skills, and several years of relevant software development experience. Familiarity with frameworks like React or Angular, back-end technologies such as Node.js or Django, and experience with cloud platforms, CI/CD tools, and version control systems like Git are typically required. Excellent communication, teamwork, and leadership abilities help developers collaborate effectively and mentor junior team members. These skills are crucial for designing robust, scalable applications and leading complex projects to successful completion.

What types of projects and technologies can a senior full stack software developer expect to work on, and how does the team typically collaborate?

As a Senior Full Stack Software Developer, you can expect to work on a diverse range of projects such as developing scalable web applications, integrating APIs, and optimizing system performance. The tech stack often includes front-end frameworks like React or Angular, back-end environments such as Node.js, Python, or Java, and databases like PostgreSQL or MongoDB. Collaboration is highly cross-functional—you’ll regularly coordinate with product managers, UX/UI designers, QA engineers, and other developers through agile methodologies, code reviews, and sprint planning sessions. This role offers opportunities to mentor junior developers, influence architectural decisions, and contribute to continuous process improvement.

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

AspectSenior Full Stack Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience in full stack developmentBachelor's degree in CS or related field; may have certifications in specific technologies
Work EnvironmentCollaborates across front-end and back-end teams, often in agile settingsDesigns, develops, and maintains software applications, often in teams or individually
Industry UsageCommon in tech companies, startups, and agencies requiring versatile development skillsWidely used across industries for software development roles

While both roles involve software development, a Senior Full Stack Software Developer specializes in both front-end and back-end technologies, often taking on leadership responsibilities. A Software Engineer may focus on specific areas of software design and implementation, with less emphasis on full stack expertise. The roles overlap in skills and industry usage, but the senior developer typically has broader responsibilities and experience in full stack development.

What are popular job titles related to Senior Full Stack Software Developer jobs in Oakville, ON?

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

What cities near Oakville, ON are hiring for Senior Full Stack Software Developer jobs?

Cities near Oakville, ON with the most Senior Full Stack Software Developer job openings:

Senior Full Stack Software Developer jobs near you
Infographic showing various Senior Full Stack Software Developer job openings in Oakville, ON as of August 2026, with employment types broken down into 100% Full Time. Highlights an 79% In-person, and 21% Remote job distribution.

Full Stack Software Developer (.NET & React)

Calliere

Toronto, ON • Hybrid

Full-time

Medical, Life, PTO

Re-posted 27 days ago

Job description

About the role You'll join a small, high-impact engineering group building modern SaaS products used by thousands of business users every day. You'll ship features endtoend, from shaping ideas with product to getting reliable, secure code into production and seeing the impact.indeed+1 You'll work in an Agile environment where releases are frequent, feedback is quick, and good engineering practices actually matter. Expect real ownership, the freedom to make technical decisions, and a team that cares about clean architecture over quick hacks.reddit What you'll be doing Partnering with product and design to turn business problems into simple, robust technical solutions

Designing and implementing backend services and web applications on a modern Microsoft stack (C#, .NET, ASP.NET MVC, Azure, SQL Server). Writing clear, well-structured, well-tested code with attention to performance, security, and maintainability. Contributing to front-end features using React and modern JavaScript, keeping UI fast, accessible, and consistent across browsers.business.linkedin+1 Participating in code reviews, improving patterns and best practices, and keeping technical documentation useful instead of dusty

Helping us evolve our DevSecOps and CI/CD workflows so shipping is safe, repeatable, and boring in the best possible way.hiring.monster Tech environment you'll enjoy C#, .NET (Core/Framework), ASP.NET MVC React, JavaScript, CSS, HTML, Bootstrap SQL Server, Windows Server, IIS Azure-based cloud services Git / GitHub and modern CI/CD pipelines If you like working across the stack and care about architecture (Ntier, services, REST APIs, microservices, OOP), you'll feel right at home here.indeed+1 Requirements What makes you a great fit 3+ years building and shipping production software in a team setting. Strong grasp of object-oriented design and web application architecture. Comfortable collaborating with product owners and business stakeholders, not just other engineers

Organized, able to juggle multiple initiatives without dropping quality. Post-secondary education in Computer Science or a related field, or equivalent real-world experience. Benefits Why Developers like working here Competitive salary plus annual bonus tied to team and company results.

Hybrid setup: typically 2-3 days a week in our downtown Toronto office, the rest from home. A genuine focus on sustainable pace and work-life balance (we want you to have a life outside of code). 25 vacation days, 4 wellness days, and all public holidays.

Comprehensive health and benefits coverage. Employer contributions to RRSPs to support your long-term plans. Annual budget for conferences, courses, and certifications so you can keep growing.

Bright, modern office a short walk from Union Station, making the commute painless.

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