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Added 6 hours ago
K
Sr. UI Developer – React / Angular | GenAI & LLM
Kelly
Mississauga, ON
- Contract
We are looking for a highly experienced Senior UI Developer to design and develop modern, responsive, and scalable web applications. The ideal candidate will have strong front-end…
Added 8 hours ago
P
Software Developer
ProxyLink
Toronto, ON
- Contract
Build and enhance front-end web applications and back-end administrative functionality.
Added 11 hours ago
P
Senior AI Engineer
Perceptic
Engineer, BC
- Full-time
Our stack is React and TypeScript on the front end, Java and Python services behind it, and an agent layer built on durable, fault-tolerant workflows that reason over scientific data…
Added 11 hours ago
LT
Senior Dotnet Developer
Lorven Technologies Inc.
Mississauga, ON
- Contract
React – Experience building scalable, maintainable front-end applications; strong understanding of state management, performance optimization, and component architecture.
Added 12 hours ago
SM
RQ11711 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Experience building front-end (web) and back-end (administrative console) features
Added 12 hours ago
RD
Full Stack Engineer
Randstad Digital
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Collaboration & Solutioning: Partner with cross-functional teams, engagement leaders, front-end developers, and data scientists to translate user stories into robust business tools.
Added 13 hours ago
CI
Senior Quality Assurance Analyst – Test Automation (SDET)
Canadian Institute for Health Information (CIHI)
ON · Ontario, Canada
- Contract
5. Develop and maintain test automation frameworks for front-end, API, and accessibility testing. Design, develop, execute, and maintain performance/load testing scripts and test scenarios…
Added 14 hours ago
Senior Software Engineer, Data Platform
Okta
Toronto, ON
Comfortable in React or similar front-end UI stacks; if not comfortable yet, you are willing to learn
Added 1 day ago
T
Full Stack .NET Developer
Techso
Montreal, QC
- Full-time
Strong experience with front-end development using React, Angular, or Vue.js;
Added 1 day ago
T
Full Stack Java Developer
Techso
Montreal, QC
- Full-time
Techso is looking for a Senior Full Stack Java Developer to help design and develop digital solutions used by leading clients in Montreal and internationally.
Added 1 day ago
CI
Senior R&D Java Developer
Calian in Space & Technology
Montreal, QC
- Contract
Proven experience in software development, particularly with Java and Spring Boot, with a focus on leadership or mentoring roles. Awareness of integration with front-end frameworks like…
Added 1 day ago
CG
Senior R&D Java Developer
Calian Group
Montreal, QC
- Full-time
Proven experience in software development, particularly with Java and Spring Boot, with a focus on leadership or mentoring roles. Awareness of integration with front-end frameworks like…
Added 1 day ago
AL
Full Stack Engineer
Artech L.L.C.
Mississauga, ON
- $70 to $80 CAD / hour
- Contract
The ideal candidate will be React-focused, with strong hands-on experience building modern front-end applications and solid Java/Spring Boot experience on the backend. Angular experience is…
Added 1 day ago
RI
Senior Full Stack Java Developer - React, Spring Boot & MongoDB
Rose International
Mississauga, ON
- Full-time
Job Title: Senior Full Stack Java Developer - React, Spring Boot & MongoDB
Added 1 day ago
RI
Senior Java Full Stack Developer - Angular | Spring Boot | Microservices
Rose International
Mississauga, ON
- Full-time
Job Title: Senior Java Full Stack Developer - Angular | Spring Boot | Microservices
Added 1 day ago
SD
Senior .NET Developer
Symbiotic Digital
ON · Downsview Central, Ontario
- Contract
using GeoTalent to build front-end web and back-end administrative console
Added 1 day ago
M
RQ11711 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
to build front-end (web) and back-end (administrative
Added 1 day ago
3
Senior Software Engineer - Java, Angular REQ_60 REQ_34
3Pillar
Canada
- Full-time
Front-end technologies: Angular 2+, JavaScript/TypeScript, HTML, CSS.
Added 1 day ago
E
Développeur DevOps
Ericsson
Montreal, QC · Quebec, QC
- Full-time
Expérience avec SQL et une exposition au développement front-end (TypeScript, HTML, CSS).
Added 2 days ago
SI
Full Stack Engineer
Stelvio Inc.
Saskatoon, SK
- Full-time
Full-stack development experience across front-end and back-end technologies.
Added 3 days ago
R
Lead Full Stack Developer
RBC
Toronto, ON
- Full-time
At its core, this role requires excellent problem-solving skills and C#/.Net, Java, Python and full stack coding capability. This role will need to effectively communicate, collaborate, and…
Added 4 days ago
WT
Senior Software Developer (Front End), Trading
Wealthsimple Technologies
Remote, Canada
- $151,200 to $189,000 CAD / year
- Full-time
- Remote
As a Senior Front End Engineer on our trading and investing teams, you'll own meaningful slices of the experiences at the heart of Canada's first zero-commission brokerage - the surfaces…
Added 4 days ago
C
Software Developer II (Technical Writing)
CNN
Ottawa, ON · Kanata, ON
- Full-time
In this position, you'll collaborate with a diverse set of teams - front-end, back-end, mobile, design systems, and more - to enhance onboarding experiences for engineers, designers,…
Added 4 days ago
HT
Senior Front-End / Full-Stack Engineer
High Tech Genesis
Ottawa, ON
- Contract
We are seeking a Senior Front-End / Full-Stack Engineer to build and enhance modern enterprise web applications. This role has a strong focus on React and modern front-end development, with…
Added 4 days ago
CO
SYSTEMS INTEGRATOR 1 #65677
City of Toronto
Toronto, ON
- Full-time
Experience in front-end development using HTML5, CSS, Bootstrap, JavaScript, Node.js, and a front-end framework such as React.

Artech L.L.C.

Full Stack Engineer

Mississauga, ON, Canada

$70 to $80 CAD / hour · Contract

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Job details

Pay: $70 to $80 CAD / hour
Job type: Contract
Apply by: Nov 4, 2026
Posting language: English
Posted: Oct 5, 2026

Original job description

Senior Full Stack Java Developer – React / Spring Boot

📍 Location: Mississauga, CA

💼 Job Type: [Contract Possibility OR Extension OR Conversion

🕐 Experience: 7–10+ Years

💻 Work Arrangement: [Remote / Hybrid]

About the Role

We are seeking a highly skilled and independent Senior Full Stack Java Developer to join our application development team. This role is ideal for a hands-on developer who can take ownership of requirements from the initial conversation through design, development, integration, testing, and deployment.

The ideal candidate will be React-focused, with strong hands-on experience building modern front-end applications and solid Java/Spring Boot experience on the backend. Angular experience is not required; developers with strong React expertise should be comfortable learning and transitioning to Angular as needed.

We are looking for developers, not architects or people managers. The successful candidate will be technically strong, self-motivated, comfortable working independently, and willing to take ownership of delivering solutions through completion. Experience using modern AI-assisted development tools such as GitHub Copilot, Devin, or similar tools is highly desirable.

What You’ll Do

Take ownership of application development initiatives from requirements understanding through design, development, testing, deployment, and production support.
Work directly with users and stakeholders to understand business requirements and translate them into effective technical solutions.
Independently analyze requirements, determine the appropriate technical approach, and deliver high-quality, maintainable code.
Design and develop full-stack applications using Java, Spring Boot, React, and microservices.
Build responsive and scalable front-end applications with a strong focus on React.
Integrate front-end applications with backend services and third-party systems through REST APIs and other service interfaces.
Understand existing Java/Spring Boot code and frameworks sufficiently to integrate, modify, troubleshoot, and extend APIs and backend functionality.
Apply strong programming fundamentals to develop efficient, reliable, and maintainable solutions.
Work with microservices primarily from an application integration and development perspective.
Perform code reviews and provide constructive technical feedback to ensure coding standards, quality, performance, and maintainability.
Work closely with junior developers to explain technical concepts, assign development tasks, review their code, and guide them toward effective coding practices.
Mentor junior developers without directly managing them.
Collaborate with other developers, business stakeholders, QA, DevOps, and technology teams throughout the development lifecycle.
Troubleshoot complex application and integration issues and drive them through resolution.
Participate in testing, debugging, deployment, and post-production support activities.
Leverage AI-assisted development tools, including Copilot, Devin, or similar technologies, to improve development productivity while maintaining code quality and engineering standards.
Identify opportunities to improve application performance, development efficiency, code quality, and overall user experience.
Take ownership of assigned deliverables and remain accountable until the solution is successfully completed.

Required Skills & Qualifications

7–10+ years of professional software/application development experience.
Strong hands-on experience with Java and Spring Boot.
Strong proficiency in React is required.
Experience developing modern front-end applications using React, JavaScript/TypeScript, HTML, and CSS.
Strong understanding of API integration, particularly RESTful APIs.
Ability to understand existing Java/Spring Boot code and integrate or consume APIs effectively.
Working knowledge of Core Java fundamentals; extensive Java architecture expertise is not required.
Experience working with microservices, particularly from an integration and application-development perspective.
Strong understanding of software development fundamentals, application structure, coding practices, and efficient programming techniques.
Experience with SQL and relational databases.
Experience with application testing, debugging, code reviews, and deployment processes.
Strong problem-solving and troubleshooting skills.
Ability to understand requirements directly from users’/business stakeholders and independently convert them into technical solutions.
Strong communication and collaboration skills.
Self-motivated with a strong sense of ownership and accountability.
Demonstrated ability to take a task or requirement from start to finish with minimal supervision.
Experience mentoring and guiding junior developers.

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More about this job

Responsibilities

Own full-stack application development from requirements gathering through design, implementation, testing, deployment, and production support, using Java, Spring Boot, React, and microservices. Integrate APIs, troubleshoot application issues, review code, collaborate with stakeholders, and mentor junior developers without direct management responsibility.

Requirements

Requires 7–10+ years of software development experience, strong hands-on Java and Spring Boot skills, and proficiency in React and modern front-end technologies. Candidates should also have experience with REST APIs, microservices, SQL, testing and debugging, stakeholder communication, independent delivery, and mentoring junior developers.

Skills

Java
Spring Boot
React
JavaScript
TypeScript
HTML
CSS
REST APIs
Microservices
SQL
Relational Databases
API Integration
Application Testing
Debugging
Code Reviews
Mentoring

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
React
JavaScript
TypeScript
HTML
CSS
REST APIs
Microservices
SQL
Relational Databases
API Integration
Third-Party Systems
Full-Stack Development
Application Development
Requirements Analysis
Software Design
Testing
Debugging
Code Reviews
Deployment
Production Support
GitHub Copilot
Devin
AI-Assisted Development
Performance Improvement
Technical Mentoring
Stakeholder Collaboration

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