13,556+ Java Full Stack Developer Jobs in St. Catharines, Canada — Local Employers Hiring June 2026

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Java Full Stack developer

Position Title: - Full Stack Developer with React. Location: - Remote. Duration: Long-term project. What You’ll Do: • Build AI-first experiences for enterprise SaaS workflows • Design and implement agentic workflows that help users reason, a ...

Full Stack Software Developer

Welcome Home! We’re more than Canada’s largest independent hardware and building supplies retailer—we’re part of communities across the nation. We Need Your Full Stack Talent! As a Full Stack Developer, you will play an important role in developing the technology that helps elevate Home Hardware’ ...

Full Stack Shopify Developer Contract

Take your Shopify expertise to the next level as a Full Stack Shopify Developer for an innovative consumer brand. Design and build a high-performing ecommerce site that captivates customers.This project-based role focuses on delivering a launch-ready storefront for an early-stage brand. Collaborate closely w ...

Full Stack Application Developer (Automation)

Full Stack Application Developer (Automation) Buckland Global Trade, 73 Gaylord Rd., St. Thomas, Ontario, Canada Job Description Posted Tuesday, May 19, 2026 at 4:00 AM Who we are For over 70 years Buckland has been working to help companies across the wo ...

Automation Focused Full Stack Developer

Become a Full Stack Application Developer focused on Automation with Buckland Global Trade. This role emphasizes collaboration in developing cloud-based enterprise applications in a dynamic work environment.Buckland is in search of a Full Stack Developer who thrives in Agile settings and has a minimum of 7 y ...

Full Stack Application Developer (Automation)

Full Stack Application Developer (Automation) Buckland Global Trade, 73 Gaylord Rd., St. Thomas, Ontario, Canada Job Description Posted Tuesday, May 19, 2026 at 4:00 AM Who we are For over 70 years Buckland has been working to help com ...

Automation Focused Full Stack Developer

Become a Full Stack Application Developer focused on Automation with Buckland Global Trade. This role emphasizes collaboration in developing cloud-based enterprise applications in a dynamic work environment. Buckland is in search of a Full Stack Developer who thrives in Agile settings and has a mini ...

Full Stack Developer for Innovative Software

Become a Full Stack Developer and help us deliver innovative software solutions. You'll work across the entire development process, crafting both front-end and back-end components. We are searching for a passionate Full Stack Developer to be part of our collaborative team. You will develop scalable ...

Senior Java Developer

One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain. Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodol ...

Senior Full Stack Software Developer (Golang et React)

Senior Full Stack Software Developer (Golang & React) 4 weeks ago Be among the first 25 applicants Our client is an innovative, forward‑thinking company that provides technical consulting, design, and programming services for show control and the entertainment industry. Since 2015, the co ...

Full Stack .NET Developer at Systems Analyst II

Elevate your career as a Full Stack .NET Developer with hands-on experience in the Microsoft .NET ecosystem. Join a dynamic team to design and support scalable enterprise applications.We are looking for an experienced Systems Analyst II / .NET Developer with over five years in development roles. Your s ...

Java and Python developer

One of the world's leading providers of products and services to the global energy industry. With a presence in more than 70 countries and 130 nationalities represented in our workforce, we are one of the world's most diverse companies. This allows us to offer multiple career paths, best-in-class training, an ...

Senior Java Developer with Python

Project Description: One of the world's leading providers of products and services to the global energy industry. With a presence in more than 70 countries and 130 nationalities represented in our workforce, we are one of the world's most diverse companies. This allows us to offer multiple ...

Developer

Job brief We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross‑functional team that’s responsible for the full software development life cycle, from conception to deployment. Responsibilities Work with development teams an ...

Developer

Job brief We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross‑functional team that’s responsible for the full software development life cycle, from conception to deployment. Responsibilities Work with development teams an ...

Senior Java Developer with Python exp.

One of the world's leading providers of products and services to the global energy industry. With a presence in more than 70 countries and 130 nationalities represented in our workforce, we are one of the world's most diverse companies. This allows us to offer multiple career paths, best-in-class training, an ...

Software Engineer II Full Stack Role

Unlock your potential with Affirm as a Software Engineer II focused on Full-Stack solutions for Marketplace Performance. You’ll help streamline the customer journey, making shopping easy and transparent.This role requires over 1.5 years of experience in software engineering, where you will develop and ...

Senior Java Developer (with strong Python experience)

Description: One of the world's leading providers of products and services to the global energy industry. With a presence in more than 70 countries and 130 nationalities represented in our workforce, we are one of the world's most diverse companies. This allows us to offer multiple career ...

Software Engineer II, Full Stack (Marketplace Performance)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Marketplace Performance team in the Direct to Consumer org builds the discovery platforms behind Affirm’s deals feed, affiliates, paymen ...

Backend/Full‑Stack Engineer – Remote, Impact‑Driven

A pioneering financial technology company is seeking a Full Stack Developer to enhance user experiences using React Native, Python, and Kotlin. You will work closely with product, engineering, and design teams to create innovative solutions. The ideal candidate has over two years of experience, a focus on user-f ...

Senior Software Engineer, Full Stack (Trust & Safety)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.Trust & Safety Experience owns the customer journeys during authentication, verification, and fraud journeys. You will work as a fu ...

Software Engineer II, Full Stack (Card Acquisition)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Card Acquisition team is critical in bringing our exciting product vision to life. Like any other financial company, our first impressio ...

Senior Full Stack Engineer, Trust & Safety (Remote)

A technology firm is seeking a Full Stack Engineer to lead engineering teams through project ambiguity and ensure high-quality deliveries. You will design and develop backend systems while collaborating closely with product management. The ideal candidate has over 4 years of software engineering experience, prof ...

Senior Golang & React Full Stack Engineer Remote (Canada)

A forward-thinking consulting firm in Canada seeks a Senior Full Stack Software Developer specializing in Golang and React. This permanent position offers 100% remote work within Canada. Ideal candidates will have over 9 years of experience in software development, encompassing both back-end and front-end techno ...

Senior Golang & React Full Stack Engineer Remote (Canada)

A forward-thinking consulting firm in Canada seeks a Senior Full Stack Software Developer specializing in Golang and React. This permanent position offers 100% remote work within Canada. Ideal candidates will have over 9 years of experience in software development, encompassing both back-end and front-end techno ...

AWIPS Application Developer at WSP

Transform operational weather forecasting as an AWIPS Application Developer with WSP. Dive into a cloud-based environment, building impactful data pipelines and enhancing system capabilities.WSP seeks a skilled AWIPS Application Developer to maintain and extend its cutting-edge AWIPS platform. This tec ...

Systems Analyst II (.NET Developer)

Systems Analyst II (.NET Developer)We are seeking an experiencedSystems Analyst II / .NET Developerwith strong hands‑on expertise in the Microsoft .NET ecosystem to design, develop, and support scalable enterprise applications and APIs. The ideal candidate will have experience worki ...

Senior Software Developer for Workflow Solutions

Join Verafin as a Senior Software Developer focused on Workflow Solutions in St. John's, Newfoundland & Labrador. Your expertise will help create impactful tools that simplify complex workflows in a hybrid setting.In this Senior Software Developer role, you will be part of the AML Scenario Builder team ...

WSP AWIPS Application Developer Role

Innovate weather technology as a WSP AWIPS Application Developer. Engage in Python and Java development to support critical weather forecasting operations in a cloud infrastructure.WSP is looking for a technical professional to enhance our cloud-based AWIPS platform that supports various sectors. This ...

Verafin Senior Software Developer (Scenario Builder)

## Verafin - Senior Software Developer (Scenario Builder)Applylocations:Canada - St. John's - Newfoundland & Labradortime type:Full timeposted on:Posted Todaytime left to apply:End Date: June 11, 2026 (14 days left to apply)job requisition id:R **The Role**We’re ...

Developer/Analyst

WHY THIS ROLE MATTERS: Navacord is hiring technical talent in the insurance industry! We are accepting applications for a dynamic individual with 5+ years experience in a full stack development environment and with at least 3+ years experience gathering requirements and creating technical speci ...

Data Lake Access Senior Developer Role

Become a Senior Developer with Nasdaq's Data Lake Access team. You'll architect secure, unified data access using AWS while contributing to scalable cloud infrastructure.This senior role requires a problem-solver with extensive experience in AWS services like Lake Formation, S3, and Glue. You will enga ...

Web Developer ViraLink Inc. (St. Catharines)

Shopify Developer - Ecommerce Site Build (Contract) The site is for an early-stage consumer brand launching their first online store and looking for a Full Stack Shopify Developer to design and build the ecommerce site from the ground up. This is a project-based engagement with a clear scope: deli ...

AWIPS Application Developer

OverviewWhat if you could redefine what’s possible? With us, you can. The OpportunityWSP is looking for an AWIPS Application Developer who wants to work at the intersection of cutting-edge technology and real-world impact. In this role, you’ll help maintain, extend, and modernize our cloud-ba ...

WordPress Developer / Programmer (St. Catharines)

Position Title180 Marketing is looking for a WordPress Developer / Programmer with minimum 3 years of experience to provide maternity leave coverage. This role is ideal for someone with custom WordPress development experience who is comfortable working in a fast-paced agency environment. About the Role ...

AWIPS Application Developer

**What if you could redefine what’s possible?** With us, you can. You want **Purpose. Growth. Opportunity.** People who get it.We are the home of ambitious, passionate, and innovative world shapers.With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our gl ...

AWIPS Application Developer

Job Description What if you could redefine what’s possible?Purpose. Growth. Opportunity.People who get it. We are the home of ambitious, passionate, and innovative world shapers. With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite t ...

Software Developer (Open Application)

Note: We keep this role open year-round. If you’re a strong developer interested in working with us, we’d love to hear from you even if we don’t have a specific opening today. About LifestyleRx LifestyleRx is pioneering the future of virtual healthcare, focusing on Type 2 Diabetes ...

C++ Developer

Job Summary We are seeking an experienced Senior C++ Developer with strong hands-on experience in the Chromium codebase to design, develop, and maintain high-performance browser-based applications and components. The ideal candidate will have deep expertise in modern C++ ...

Sitecore Developer

Freelance Sitecore Developer — Contract Role Role Overview We are seeking an experienced Freelance Sitecore Developer to support the maintenance of a client website which uses the Sitecore Experience Platform (XP/XM). This is a contract-based role ideal for a self-driv ...

APIGEE Developer

Responsibilities: Multi-Cloud Runtime Management: Design and implement the Apigee Hybrid runtime plane on Azure Kubernetes Service (AKS) and eventually on-premises Kubernetes clusters. Infrastructure as Code (IaC): Lead the automation of platform deployments and upgrades using Terraform, Python, ...

SailPoint Developer

We are seeking multiple SailPoint developers for 1 year, remote contract positions. Candidates must have an activve Government of Canada Security Clearance. This is join a SailPoint migration project, on-prem to cloud, as a skilled and experienced development consultant. Du ...

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    Java Full Stack Developer Jobs in St Catharines Job Search Guide, Trends and Insights