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Senior Full Stack Developer Jobs in Thorold, ON (NOW HIRING)

Space Ops Inc.

Senior DevOps Engineer

Hamilton, ON

The Senior DevOps Engineer is the architect of our cloud-native ecosystem. This role focuses on ... Full-Stack Visibility: Designs and maintains a comprehensive observability stack (Prometheus ...

KPMG

BackEnd Engineer (JS/TS)

Hamilton, ON · On-site +1

Collaborate with a highly skilled and talented group of developers. * Co-design the backend ... At least 3 years of experience with hands-on full-stack development and management * Key ...

Providius

Quality Assurance Lead

Hamilton, ON · On-site

You'll work across the stack and partner closely with engineering to catch issues early and raise ... senior responsibility * Hands-on experience designing automated test suites across unit ...

Wood Plc

Supply Chain Lead

Hamilton, ON · On-site +1

Overview / Responsibilities Wood is currently seeking an Intermediate - Senior Procurement ... Coordinates and supports others engaged in the full range of supply chain activities, while ...

Wood Plc

Supply Chain Manager

Hamilton, ON · On-site +1

Functionally reports to and coordinate efforts with Senior Supply Chain Manager to ensure ... Full knowledge and experience in the means, processes and methods needed to successfully construct ...

DefineHR Inc

Control Systems Integrator

Hamilton, ON

CA$35 - CA$52/hr

This role is focused on design, programming, and commissioning of control systems in real-world ... Open to junior and senior candidates, open to compensation expectations. Due to volume, we will be ...

ATCO

Estimator

Grimsby, ON · On-site

Complete full analysis and detailed reviews of the Preconstruction Services Request packages ... Engineering technologist or a technical diploma with 5-7 years of relevant experience * Hands-on ...

Insight Enterprises

AI Engineer

Niagara On The Lake, ON · On-site +1

... in a senior/lead role. * Advanced C#/.NET experience building production APIs and services ... We want you to enjoy a full, meaningful life and own your career at Insight. Some of our benefits ...

All JobsFull Stack Developer JobsSenior Full Stack Developer JobsSenior Full Stack Developer Jobs in Thorold, ON

Senior Full Stack Developer information

See Thorold, ON salary details

$48.9K

$119.8K

$174.3K

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

As of Aug 18, 2026, the average yearly pay for senior full stack developer in Thorold, ON is $119,840.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,790.00 and $138,212.00 per year, depending on experience, location, and employer.

What is a senior full stack developer?

Senior Full Stack Developers are experienced professionals who design, develop, and maintain both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to handle servers, databases, APIs, and user interfaces. In addition to coding, they often lead development teams, make architectural decisions, and ensure software quality and scalability. Their expertise allows them to oversee the entire application lifecycle, from concept to deployment.

How does a senior full stack developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior Full Stack Developer, you'll frequently collaborate with designers, product managers, QA engineers, and other developers to deliver end-to-end solutions. You'll be involved in requirements discussions, offer technical guidance, and help align frontend and backend development with business goals. Your role often includes code reviews, mentoring junior team members, and ensuring seamless integration across various systems. This collaborative environment encourages knowledge sharing and innovation while ensuring project success.

What are the key skills and qualifications needed to thrive as a senior full stack developer, and why are they important?

To thrive as a Senior Full Stack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, usually supported by a relevant degree and several years of experience. Mastery of tools such as Git, Docker, CI/CD systems, and cloud platforms like AWS or Azure is typically required, alongside familiarity with databases and version control systems. Strong problem-solving abilities, leadership, effective communication, and collaboration skills set exceptional developers apart. These skills and qualities are crucial for delivering robust, scalable solutions while mentoring teams and efficiently bridging gaps between client requirements and technical implementation.

What is the difference between Senior Full Stack Developer vs Backend Developer?

AspectSenior Full Stack DeveloperBackend Developer
Required SkillsProficiency in both frontend and backend technologies, such as JavaScript, HTML, CSS, and server-side languages like Node.js, Python, or JavaSpecialized in server-side development, working with languages like Java, Python, Ruby, or PHP, and database management
Work EnvironmentCollaborates across frontend and backend teams, often involved in full project lifecycleFocuses primarily on backend systems, APIs, and database integration
Common UsageUsed in roles requiring full project oversight and versatile development skillsUsed in roles focused on server-side logic, database management, and API development

The main difference is that a Senior Full Stack Developer handles both frontend and backend development, providing a comprehensive approach to projects, while a Backend Developer specializes solely in server-side logic and database management. Both roles require strong programming skills, but the Full Stack Developer's expertise spans the entire technology stack.

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

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

Senior Full Stack Developer jobs near you
Infographic showing various Senior Full Stack Developer job openings in Thorold, ON as of August 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 100% In-person job distribution, with an average salary of $119,840 per year, or $57.6 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