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Jr Full Stack Developer Jobs in Barrie, ON (NOW HIRING)

Designs may range up to full vehicle system complexity and should reflect an understanding of ... Apply fundamental Geometric Dimensioning & Tolerancing (GD&T) principles, including tolerance stack ...

... full potential, participate freely in society and live with respect, dignity and freedom from ... DevOps, Software Development Stacks, Platforms (including low-code) and programing languages ...

Jr Full Stack Developer information

What is a Jr Full Stack Developer?

Jr Full Stack Developers are entry-level professionals who work on both the front-end and back-end aspects of web applications. They are typically familiar with technologies such as HTML, CSS, JavaScript, and one or more back-end languages like Python, Java, or Node.js. Their responsibilities often include assisting in building, testing, and maintaining software applications under the guidance of senior developers. While they may not have deep expertise in all areas, Jr Full Stack Developers are expected to be adaptable and eager to learn new technologies. This role provides a solid foundation for advancing to more specialized or senior development positions.

What are the key skills and qualifications needed to thrive as a Jr Full Stack Developer?

To thrive as a Jr Full Stack Developer, you need foundational skills in front-end (HTML, CSS, JavaScript) and back-end (such as Node.js, Python, or Java) programming, along with a relevant degree or coding bootcamp experience. Familiarity with frameworks like React or Angular, version control systems like Git, and basic understanding of databases are typically required. Strong problem-solving abilities, communication skills, and a willingness to learn help you stand out in collaborative and fast-changing environments. These skills and qualities enable you to build, maintain, and improve end-to-end web applications efficiently while adapting to evolving project requirements.

What are some common challenges Jr Full Stack Developers face when transitioning from academic projects to professional work environments?

Jr Full Stack Developers often find the transition from academic or personal projects to professional settings challenging due to stricter coding standards, collaboration requirements, and larger codebases. In a professional environment, working with version control systems like Git, following agile practices, and communicating effectively with cross-functional teams become essential. Adapting to frequent code reviews and learning to debug complex, existing applications can also be a steep learning curve. However, these challenges provide valuable opportunities to develop technical proficiency and teamwork skills that are crucial for career growth.

What is the difference between Jr Full Stack Developer vs Junior Front End Developer?

AspectJr Full Stack DeveloperJunior Front End Developer
Required SkillsHTML, CSS, JavaScript, basic backend knowledge (e.g., Node.js, Python)HTML, CSS, JavaScript, UI/UX design basics
Work EnvironmentBoth front-end and back-end development, full project involvementPrimarily focus on user interface and client-side features
Common UsageStartups, small to medium companies, full-stack projectsWeb design agencies, front-end teams in larger companies

Jr Full Stack Developers have a broader scope, working on both front-end and back-end tasks, while Junior Front End Developers focus mainly on the user interface and client-side development. The choice depends on your interest in full-stack versus front-end specialization.

What cities near Barrie, ON are hiring for Jr Full Stack Developer jobs?

Cities near Barrie, ON with the most Jr Full Stack Developer job openings:

Infographic showing various Jr Full Stack Developer job openings in Barrie, ON as of August 2026, with employment types broken down into 85% Full Time, 9% Part Time, 5% Contract, and 1% Nights. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution.

Staff Full-Stack Engineer .NET, React & AI

Finlink Group

Newmarket, ON • On-site

Full-time

Medical, Dental, Vision

Posted 4 days ago


Job description

Staff Full-Stack Engineer – .NET, React & AI

Are you a highly experienced full-stack engineer who thrives on solving complex technical challenges and delivering production-ready solutions at speed? We are seeking a Staff Full-Stack Engineer – .NET, React & AI to play a key role in building an AI-driven engineering platform where innovation, ownership, and technical excellence are at the heart of everything.

The successful candidate will be responsible for designing, building, and delivering product features end-to-end while helping shape a highly scalable, AI-centric platform that powers multiple brands from a shared technology foundation.

About the Role

As a Staff Full-Stack Engineer – .NET, React & AI, you will take ownership of product delivery from concept through to production. You'll work across the full technology stack, leveraging AI coding agents and modern engineering practices to accelerate delivery without compromising quality. This role combines hands-on software development, technical leadership, systems architecture, and platform engineering in a fast-paced environment where autonomy and accountability are highly valued.

Key Responsibilities
  • Own the end-to-end delivery of product features, including design, development, testing, verification against acceptance criteria, and production deployment.
  • Build and maintain third-party and B2B integrations, delivering customer- and brand-specific functionality on top of a shared, scalable platform.
  • Leverage AI coding agents and automated verification tools to improve development speed while maintaining engineering quality standards.
  • Design, build, and operate highly available, high-performance distributed systems.
  • Establish technical patterns, mentor through example, and remove technical roadblocks across multiple concurrent workstreams.
  • Monitor production environments, investigate issues, and continuously improve platform reliability, observability, and deployment processes.
Skills & ExperienceTechnical Expertise
  • Extensive commercial experience delivering production-grade, full-stack applications.
  • Strong expertise in .NET / C#, RESTful API development, and Next.js / React, including server-side rendering and real-time streaming using Server-Sent Events (SSE).
  • Proven experience designing and operating highly available, high-throughput systems at scale.
  • Hands-on experience with MongoDB, PostgreSQL, and Redis, with the ability to select the appropriate data store based on workload.
  • Experience building event-driven architectures using Apache Kafka or similar event hub technologies, including producer/consumer patterns, schema design, and real-time data processing.
  • Demonstrated experience designing and delivering third-party and B2B API integrations.
  • Strong understanding of API security, including OAuth authentication, HMAC request signing, idempotency, replay protection, and audit logging.
  • Practical experience using AI-assisted development tools and coding agents to improve engineering productivity.
  • Experience with production monitoring, observability, CI/CD pipelines, and issue triage using tools such as Sentry or equivalent.
Delivery & Leadership
  • Proven ability to deliver high-quality software within demanding timelines while balancing speed and quality.
  • Comfortable managing multiple priorities across concurrent workstreams.
  • Demonstrated ownership of projects from ambiguous requirements through to successful production delivery.
  • A proactive, solutions-focused mindset with the confidence to make informed decisions, navigate uncertainty, and independently drive outcomes.
What's on Offer
  • Exposure to cutting-edge AI and automation technologies that are reshaping modern engineering and business operations.
  • The opportunity to work on genuinely challenging projects using modern tools and technologies.
  • A collaborative, high-performing environment where innovation, accountability, and technical excellence are recognized and rewarded.
  • Clear opportunities for professional growth and career progression as the organization continues to scale.
  • Competitive salary with a discretionary bonus.
  • Comprehensive health benefits, including extended healthcare, dental, and vision coverage.
  • On-site leisure facilities to help you recharge throughout the day.
  • Regular company events that celebrate success and foster team connection.
  • On-site parking for added convenience.

If you're an engineer who enjoys taking ownership, solving complex problems, embracing emerging AI technologies, and building systems that operate at scale, this is an opportunity to make a meaningful impact while working alongside talented professionals who value innovation, collaboration, and continuous improvement.