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Senior Full Stack Software Developer Jobs in Kitchener, ON

Manulife

Senior Full Stack Software Engineer

Waterloo, ON

CA$107K - CA$199K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a Senior .NET Full Stack Engineer to build and deliver scalable, enterprise-grade ... Strong understanding of software engineering best practices (design patterns, secure coding ...

Manulife

Senior Full Stack Software Engineer

Waterloo, ON · Hybrid

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a Senior FullStack Software Engineer to help drive the roadmap forourGroup ... Full-stack expertise : JavaScript/TypeScript, React, Node.js,GraphQL; exposure to .NET/Java

Netsweeper Inc.

Senior Full Stack Developer

Waterloo, ON · On-site +1

Netsweeper Inc is a software and SaaS company that is passionate about creating innovative solutions to real-world problems. We're looking for a talented Senior Full Stack Developer to join our team ...

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All JobsFull Stack Software Developer JobsSenior Full Stack Software Developer JobsSenior Full Stack Software Developer Jobs in Kitchener, ON

Senior Full Stack Software Developer information

See Kitchener, ON salary details

$55.5K

$120.7K

$178.7K

How much do senior full stack software developer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior full stack software developer in Kitchener, ON is $120,658.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,628.00 and $138,081.00 per year, depending on experience, location, and employer.

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

Cities near Kitchener, 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 Kitchener, ON as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, and 3% Contract. Highlights an 81% Physical, 3% Hybrid, and 16% Remote job distribution, with an average salary of $120,658 per year, or $58 per hour.

Senior Full Stack Python Developer - FT

Demand For HR

Hamilton, ON

Full-time

Posted 4 days ago

Job description

Senior Full-Stack Software Engineer (AI Research Platform)
We are seeking a Senior Full-Stack Software Engineer to lead the design and development of an AI-enabled research platform from concept through production deployment. You will work directly with a multidisciplinary research team to translate research ideas into a scalable, secure, and production-quality software platform. This role requires technical leadership, hands-on software development, and the ability to make sound architectural decisions while preparing the platform for future AI-powered capabilities such as prediction, recommendation, optimization, and intelligent decision support.
Key Responsibilities
● Take technical ownership of the platform architecture, implementation, and delivery.
● Design and develop modern full-stack web applications using Python and React or Next.js.
● Build secure backend services, REST APIs, authentication, and database solutions.
● Design scalable cloud infrastructure using AWS, Azure, or Google Cloud.
● Implement CI/CD pipelines, automated testing, monitoring, and deployment processes.
● Integrate external APIs, research systems, and AI/ML services.
● Develop dashboards, reports, visualizations, and user workflows.
● Collaborate with researchers to translate research requirements into software solutions.
● Recommend technologies, engineering practices, and architectural improvements.
● Produce technical documentation and support long-term platform maintainability.
Required Qualifications
● Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related field.
● 5+ years of professional experience building production web applications.
● Strong Python backend development experience.
● Experience building modern frontend applications using React or Next.js.
● Experience designing scalable software architecture and RESTful APIs.
● Experience with relational databases and data modeling.
● Hands-on experience with cloud platforms (AWS, Azure, or Google Cloud).
● Experience with Docker, Git, and CI/CD pipelines.
● Strong software engineering, testing, debugging, and communication skills.
● Ability to work independently and make technical decisions with minimal supervision.
Preferred Qualifications
● Experience integrating AI or machine learning capabilities into production software.
● Knowledge of prediction, forecasting, recommendation, classification, or optimization techniques.
● Experience with data visualization and analytics..
● Familiarity with Infrastructure as Code, or modern DevOps practices.
● Experience developing research, scientific, or engineering software.
● Familiarity with server user access, storage, backups, monitoring, logs, and deployment support.
● Familiarity with server-side software dependencies, environment configuration, and resource usage.
Who You Are
You are an experienced software engineer who enjoys building products from the ground up. You take ownership, solve complex technical problems, communicate effectively with both technical and non-technical stakeholders, and deliver high-quality software that can evolve as research needs grow.
Application Instructions:
Please submit your resume and, if available, links to GitHub repositories, technical portfolios, or examples of production software you have designed or developed