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Full Stack Software Developer

Mississauga, ON
On-site
Posted Sep 24, 2026
1 position

$90,000–$105,000 / year

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Minimum education: Bachelor’s degree
Apply by: Oct 21, 2026
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

You will be responsible for designing, developing, and maintaining full-stack web applications from architectural design through production release. Additionally, you will integrate APIs, optimize system performance, and collaborate with cross-functional teams within a CI/CD environment.

Job details

Full Stack Software Developer Job Type: Permanent Salary: $90,000 - $105,000 + Benefits Location: Mississauga, ON (100% Onsite, Monday-Friday) Your New Company Our client is seeking a skilled Full Stack Software Developer with 5+ years of professional experience to design, develop, and maintain robust web applications from concept to deployment. This is a full-time, permanent, on-site opportunity within a collaborative software development environment. Your New Role Reporting to the Software Development Manager, you will be responsible for building responsive frontend interfaces, maintaining backend architectures, integrating APIs, and working within a continuous integration and deployment (CI/CD) environment. Key responsibilities include: End-to-End Development: Build, deploy, and maintain full-stack web applications from architectural design through production release. API Design & Integration: Design, implement, and integrate robust RESTful APIs and modern RPC protocols (gRPC) for seamless communication. Code Quality & Standards: Write clean, efficient, maintainable, and well-documented code adhering to OOP and functional design best practices. Performance & Optimization: Troubleshoot, debug, and optimize applications for high responsiveness, low latency, scalability, and security. Testing & Automated CI/CD: Participate in peer code reviews, write unit tests, and expand automated testing frameworks within CI/CD pipelines. Cross-Functional Alignment: Collaborate closely with product managers, UI/UX designers, hardware teams, and business stakeholders to turn requirements into technical solutions. Documentation & Modernization: Maintain clear technical documentation and evaluate emerging technologies to continuously upgrade core systems. What You'll Need to Succeed: Education Bachelor's degree in Computer Science, Software Engineering, or a related field with a strong programming component (or equivalent practical experience). Experience & Technical Requirements 5+ years of full-time commercial software development experience, including hands-on full-stack (front-end and back-end) work. Front-End Stack: Angular, React, HTML5, SCSS/CSS3, JavaScript (ES6+), jQuery. Back-End Stack: Django (Python), Node.js, Go. Databases: PostgreSQL relational database design, query optimization, and management. APIs & Messaging: RESTful API design & integration, gRPC protocols. Cloud & Infrastructure: AWS services, Docker containerization, Git (Kubernetes is a plus). DevOps & Environments: Kubernetes, CI/CD pipelines, unit/automated testing. Systems & OS: Hands-on experience with both Windows and Linux operating environments. AI Developer Tools: Familiarity with AI-assisted development tools (Claude, VS Code, Cursor). Core Competencies: Deep knowledge of Object-Oriented Programming (OOP), functional design, and eagerness to learn evolving technologies. Specific Competencies Full-Stack Development: Demonstrated expertise in designing, developing, deploying, and maintaining scalable front-end and back-end web applications. API Design & Systems Integration: Proficiency in building and integrating RESTful APIs and gRPC services to enable secure and reliable system communication. Software Engineering Excellence: Strong knowledge of OOP, functional programming principles, software design patterns, and code quality best practices. Performance, Scalability & Security: Ability to troubleshoot, optimize, and secure applications to ensure high performance, reliability, and scalability. Testing & DevOps Practices: Experience with automated testing, code reviews, CI/CD pipelines, and modern software delivery methodologies. Cross-Functional Collaboration: Proven ability to work effectively with product, UX/UI, engineering, and business stakeholders to deliver technical solutions aligned with business needs. Technical Documentation & Continuous Improvement: Skilled in maintaining technical documentation and evaluating emerging technologies to drive system modernization and innovation. What You'll Get in Return You will have the opportunity to work with a talented team of professionals in a dynamic and supportive environment. Our client offers competitive compensation, professional development opportunities, and the chance to make a significant impact through the design, development, and modernization of mission-critical software applications. What You Need to Do Now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion on your career. This posting is for an existing vacancy with the organization. AI may be used to screen, assess or select applicants for the position.

What you’ll do

Requirements

Candidates must have a bachelor's degree in Computer Science or a related field and at least 5 years of professional full-stack development experience. Proficiency in modern web frameworks, backend technologies, and cloud infrastructure is essential for this role.