5,807+ Java React Developer React Jobs in Mississauga, Canada — Local Employers Hiring June 2026

Professional job seekers finding Canada jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Java Lead DevOps Engineer at Citi (Mississauga)

Join Citi as a Java Lead DevOps Engineer, focusing on optimizing CI/CD pipelines and system reliability. Lead a talented engineering team while driving automation and cooperative practices. Citi seeks an experienced Java Lead to transform its DevOps landscape. The ideal candidate will have substant ...

Java & Big Data Architect Onsite in Mississauga

A leading IT consulting firm is looking for a Talent Acquisition Manager in Mississauga, Canada. The successful candidate will lead architectural design and oversee technical teams in building modern data platforms. Key skills include advanced Java with Spring Boot, Kubernetes, and Big Data technologies like Spa ...

AI Driven Senior Java Engineer at Citi

Citi is on the lookout for a Senior Java Engineer with a passion for AI to develop and implement middleware solutions. This full-time role requires strong Java and Spring Boot skills combined with AI methodologies.You will drive the architectural design and implementation of complex applications, applying AI ...

AI Driven Senior Java Engineer at Citi

Citi is on the lookout for a Senior Java Engineer with a passion for AI to develop and implement middleware solutions. This full-time role requires strong Java and Spring Boot skills combined with AI methodologies.You will drive the architectural design and implementation of complex applications, applying AI ...

Java Consultant with AI Focus in Mississauga

Join a leading organization as a Java Consultant focused on AI initiatives in Mississauga, Canada. Utilize your extensive Java experience to enhance enterprise platforms with cutting-edge solutions.The role seeks professionals with over eight years of experience in Java with specialization in Spring Boot and ...

Java Systems Engineer for Low Latency Trading

Become a Java Systems Engineer in the Equities Technology organization, focusing on low-latency data systems for electronic trading. Ensure seamless event handling and optimal data integrity.This role is foundational within the Equities Electronic Execution team, tasked with building efficient data pip ...

Java Full Stack Development Lead at Citigroup

Join Citigroup as a Java Full Stack Development Lead, where you will guide the development and analysis of innovative application systems. This position emphasizes collaboration and leadership in technology initiatives.As a Vice President, you will utilize your extensive experience (6-10 years) to oversee cr ...

Java Data Engineer for Low Latency Systems

Join Citi's Equities team as a Low-Latency Java Data Systems Engineer. Play a pivotal role in constructing and managing our data resources for electronic trading systems.This position targets engineers with 7+ years of experience in low-latency Java, C++, or Rust, tasked with building essential data infrastr ...

Senior Backend Developer

Atimi is seeking an experienced backend software developer to fill a position in Canada. Please note this is a fully remote position with EST working hours but we're open to candidates from all provinces. Atimi works with some of the leading companies in North America, providing them with high-quality softwar ...

Senior Software Developer in Test (SDET)

Senior Software Developer in Test (SDET) • Mississauga, Ontario (Hybrid) Overview We are seeking a highly skilled and experienced Senior Software Developer in Test (SDET) to join our Quality Assurance team. In this role, you will be responsible for designing, developing, and maintaining rob ...

Sr. Full Stack Developer / Architect (Mississauga)

Sr. Full Stack Developer / Architect Full‑time position in Mississauga, Canada. Required Experience, Skillsets and Responsibilities Design and deliver web solutions with multi‑tenant architecture. Hands‑on development experience with Java and SpringBoot. Expe ...

Sr. Full Stack Developer / Architect (Mississauga)

Sr. Full Stack Developer / Architect Full‑time position in Mississauga, Canada. Required Experience, Skillsets and Responsibilities Design and deliver web solutions with multi‑tenant architecture. Hands‑on development experience with Java and SpringBoot. Expe ...

Senior Dotnet Developer mississauga

Looking for a Full Stack Developer with strong experience in .NET/.NET Core and Angular to build scalable web applications and APIs. The role involves backend and frontend development, integration, and collaboration in Agile teams. Requires expertise in SQL Server, REST APIs, and DevOps practices, with add ...

Technology Lead Android Developer

Infosys is seeking anAndroid Developer . This position will interface with key stakeholders and apply technical proficiency across different stages of the Software Development Life Cycle including requirements elicitation, application architecture definition and design; it will play an important role i ...

Principle Software Engineer Insight Global (Mississauga)

12 month contract to hire Hybrid 1-2x per week in Toronto Pay: $80-95/hr incorp Required Skills & Experience 15+ years of professional software development experience Proven experience operating at a Principal Engineer, Lead Engineer, Solution Architect, or Deliv ...

Senior Software Engineer (Ruby on Rails Core Scribd) (Remote US/Canada)

Senior Software Engineer (Ruby on Rails - Core Scribd) - (Remote - US/Canada) For one of our clients, we are looking for a Senior Software Engineer (Ruby on Rails - Core Scribd) , remotely from United States and Canada . As a Senior Software Engineer on the Co ...

Principle Software Engineer Insight Global (Mississauga)

12 month contract to hire Hybrid 1-2x per week in Toronto Pay: $80-95/hr incorp Required Skills & Experience 15+ years of professional software development experience Proven experience operating at a Principal Engineer, Lead Engineer, Solution Architect, or Deliv ...

Principle Software Engineer Insight Global (Mississauga)

12 month contract to hire Hybrid 1-2x per week in Toronto Pay: $80-95/hr incorp Required Skills & Experience 15+ years of professional software development experience Proven experience operating at a Principal Engineer, Lead Engineer, Solution Architect, or Deliv ...

Senior Software Engineer, Backend (Canada)

About Centari At Centari, we believe that in high‑stakes dealmaking, a firm’s competitive edge lies within unlocking its private deal data. Centari is building the deal intelligence platform for the future of law and finance, moving beyond simple automation and into a world of data‑driven dealmak ...

Python Engineer Assistant Vice President

## Python Engineer - Assistant Vice PresidentApplyremote type: Hybridlocations: Mississauga Ontario Canadatime type: Full timeposted on: Posted Yesterdayjob requisition id: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and j ...

Python Engineer Assistant Vice President

## Python Engineer - Assistant Vice PresidentApplyremote type:Hybridlocations:Mississauga Ontario Canadatime type:Full timeposted on:Posted Yesterdayjob requisition id: Citi, the leading global bank, has approximately 200 million customer accounts and does busine ...

Senior Full Stack Software Engineer

3 weeks ago Be among the first 25 applicants Company OverviewAthennian increases trust in business. Our products help legal, finance, and tax teams be transaction and audit-ready by organizing business entity and corporate structure information. Over 370,000 business entities in al ...

Python Engineer Assistant Vice President

## Python Engineer - Assistant Vice PresidentApplyremote type: Hybridlocations: Mississauga Ontario Canadatime type: Full timeposted on: Posted Yesterdayjob requisition id: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and j ...

IT Industrial CrossFunction Full Stack & AI Integration

IT Industrial CrossFunction - Full Stack & AI Integration Requisition ID: 16680 Location:Mississauga, ON, CA, L4V 1S7Laval, Quebec, CA, H7T 0J3 Pay Type: Salary Position type: Full-time / Salary ...

Global Spread Products Senior Java Technical Lead Vice President

Job Overview The position is within Global Spread Products Technology and we are seeking a Technical Lead with strong hands‑on experience in developing server‑side components in Java . Candidate must have experience in developing enterprise application using Java/J2EE & Spring. </ ...

Global Spread Products Senior Java Technical Lead Vice President

Job Overview The position is within Global Spread Products Technology and we are seeking a Technical Lead with strong hands‑on experience in developing server‑side components in Java . Candidate must have experience in developing enterprise application using Java/J2EE & Spring. </ ...

Global Spread Products Senior Java Technical Lead Vice President

Job Overview The position is within Global Spread Products Technology and we are seeking a Technical Lead with strong hands‑on experience in developing server‑side components in Java . Candidate must have experience in developing enterprise application using Java/J2EE & Spring. </ ...

Fullstack .Net Developer

We are looking for a Senior Full-Stack Developer to join our team. This role is responsible for designing, developing, and maintaining robust and scalable applications using Angular, .NET, and SQL Server. It is a 3-day hybrid contract role in Mississauga. If you possess the required skills, pl ...

Fullstack .Net Developer

We are looking for a Senior Full-Stack Developer to join our team. This role is responsible for designing, developing, and maintaining robust and scalable applications using Angular, .NET, and SQL Server. It is a 3-day hybrid contract role in Mississauga. If you possess the required skills, pl ...

Intermediate Frontend Developer

The Intermediate Frontend Developer is an intermediate level position responsible for the design, development, and implementation of new or revised user-facing application systems and programs, collaborating closely with the Technology team. This role focuses on building engaging and responsive web interfaces, e ...

Senior .NET Developer

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applic ...

Intermediate BI Developer

Job DescriptionInsight Global is looking for an Intermediate BI Developer who will will support the development and delivery of Business Intelligence solutions for a confidential new business initiative. This role is focused on hands‑on BI development and data engineering, working from defined designs and re ...

Intermediate Integration Developer

IKO Industries Ltd. is a market leader in the manufacturing of roofing and building materials. IKO is a Canadian owned and operated business with production facilities worldwide and has many years of unparalleled success in the roofing materials industry. Quality, integrity, and trustworthiness are the values th ...

Salesforce Senior Developer

IKO Industries Ltd. is a market leader in the manufacturing of roofing and building materials. IKO is a Canadian owned and operated business with production facilities worldwide and has many years of unparalleled success in the roofing materials industry. Quality, integrity, and trustworthiness are the values th ...

Senior Software Developer

At Stantec, we have some of the world’s leading professionals passionate about enabling our business to be its best. Our business teams include finance, procurement, human resources, information technology, marketing, corporate development, HSSE, real estate, legal, and practice services. We bring diverse backgr ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Java React Developer React Jobs in Mississauga Job Search Guide, Trends and Insights