5,823+ Fullstack Developer Java React Jobs in Mississauga, Canada — Local Employers Hiring June 2026

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Senior Cloud Infrastructure Architect — Remote & AI Driven

A leading technology solutions provider is seeking a Senior Cloud Infrastructure Developer to enhance AWS cloud stability for their multi-tenant SaaS platform. The ideal candidate has 8+ years of AWS experience and advanced knowledge in infrastructure management and automation. Responsibilities include architect ...

Senior Big Data Architect & Platform Lead

A leading technology firm in Peel Region, Mississauga is seeking a Senior Big Data Developer to establish and implement scalable big data application systems mainly using Hadoop/Spark. This role requires leading data analysis and programming activities, designing efficient architecture solutions, and collaborati ...

Senior Full Stack Architect & Tech Lead — Hybrid

A leading technology firm in Mississauga is searching for an experienced Senior Software Developer to drive innovation with SOTI XSight, focusing on enterprise mobility diagnostics. This unique role involves crafting high-performance applications utilizing technologies like C#, .NET, and Angular, while mentoring ...

Principal Go Engineer — Dev Productivity & CI/CD Architect

A leading tech company is seeking a Principal-level engineer to enhance the productivity ecosystem for their Workflows Engineering organization. The ideal candidate has over 10 years of software engineering experience, expertise with CI/CD, and a strong understanding of cloud technologies. This role involves col ...

Vice President, Big Data & Spark Platform Architect

A leading international bank seeks a Senior Big Data Developer responsible for implementing scalable big data systems, primarily using Hadoop and Spark. You will collaborate with various teams to design efficient architectures and ensure robust data pipelines. Ideal candidates have over 6 years of experience in ...

Python Engineer — Cloud, Airflow & Analytics Platform

A leading financial institution in Mississauga is seeking an Assistant Vice President (AVP), Python Developer to enhance their analytics platform. You will collaborate with market quant teams, contributing technical expertise in Python and Apache Airflow, while ensuring system enhancements and compliance with re ...

Senior Big Data Architect & Platform Lead

A leading technology firm in Peel Region, Mississauga is seeking a Senior Big Data Developer to establish and implement scalable big data application systems mainly using Hadoop/Spark. This role requires leading data analysis and programming activities, designing efficient architecture solutions, and collaborati ...

Contract J2EE Engineer Build Scalable Solutions

A growing consulting firm located in Peel Region, Mississauga is looking for a software developer with 4-5 years of experience. Candidates should understand business requirements, perform software design and development, and have strong competencies in object-oriented design and troubleshooting. Familiarity with ...

Vice President, Big Data & Spark Platform Architect

A leading international bank seeks a Senior Big Data Developer responsible for implementing scalable big data systems, primarily using Hadoop and Spark. You will collaborate with various teams to design efficient architectures and ensure robust data pipelines. Ideal candidates have over 6 years of experience in ...

Senior Big Data Architect & Platform Lead

A leading technology firm in Peel Region, Mississauga is seeking a Senior Big Data Developer to establish and implement scalable big data application systems mainly using Hadoop/Spark. This role requires leading data analysis and programming activities, designing efficient architecture solutions, and collaborati ...

Senior Web Architect & Cloud Solutions Lead

A leading building envelope contractor is seeking a Sr. Web Application Developer in Mississauga. Ideal candidates will have over 10 years of experience, primarily with .NET and C#. Responsibilities include designing applications, mentoring developers, and ensuring code quality. Compensation ranges from $120,000 ...

Vice President, Big Data & Spark Platform Architect

A leading international bank seeks a Senior Big Data Developer responsible for implementing scalable big data systems, primarily using Hadoop and Spark. You will collaborate with various teams to design efficient architectures and ensure robust data pipelines. Ideal candidates have over 6 years of experience in ...

Online English Writing & Analysis Course Designer

An online educational organization based in Canada is seeking a Course Developer for English Writing and Analysis. This role involves creating engaging online classes for a group of students aged 6-16. Candidates must have a fun personality, excellent communication skills, and be willing to adapt to the organiza ...

Python Engineer — Cloud, Airflow & Analytics Platform

A leading financial institution in Mississauga is seeking an Assistant Vice President (AVP), Python Developer to enhance their analytics platform. You will collaborate with market quant teams, contributing technical expertise in Python and Apache Airflow, while ensuring system enhancements and compliance with re ...

Senior Web Architect & Cloud Solutions Lead

A leading building envelope contractor is seeking a Sr. Web Application Developer in Mississauga. Ideal candidates will have over 10 years of experience, primarily with .NET and C#. Responsibilities include designing applications, mentoring developers, and ensuring code quality. Compensation ranges from $120,000 ...

Senior Full Stack Engineer, Consumer Tech

A financial technology company is seeking an experienced engineer to lead mobile initiatives focusing on enhancing user growth through collaborative problem-solving and innovative solutions. The role involves defining architecture, improving developer tools, and collaborating across teams. Ideal candidates have ...

Senior Lead (Low Latency Trading Application) Senior Vice President

Role OverviewWe are seeking an accomplished and highly experienced Senior Vice President (SVP), Technical Lead, to drive critical strategic initiatives within our eTrading function in Canada. This pivotal role demands a visionary leader with a deep technical background, proven leadership capabilities, ...

Quality Engineer – AI Applications Focus

Impact the future of technology as a Quality Engineer focusing on AI applications in a hybrid role based in Toronto. Your expertise will enhance product quality and user experience across intelligent platforms.Our Quality Engineering team seeks a creative and hands-on engineer to contribute to AI-driven test ...

Technical EDI Engineer Opportunity

Join TD SYNNEX as a Technical EDI Engineer, providing production support and collaborating with partners. This role emphasizes EDI process optimization and leveraging diverse tech skills for integration tasks.You will analyze and develop EDI maps while working within a homegrown ERP framework. The position r ...

Technical Lead Fixed Income Data Analytics

Join Citi as a Technical Lead focusing on Fixed Income Data Analytics. This role in New York involves leading a high-performing team to maximize data's impact on business strategy.In this critical position, you will guide the FI Data team's technical direction while fostering innovation and collaboration amo ...

Citi AI Application Development Engineer Senior Level

Become a part of Citi's innovative team as a Senior AI Application Development Engineer. Your role will integrate traditional coding with cutting-edge AI technologies!In this position, you'll design, develop, and deploy applications using Java, Spring Boot, and MongoDB. Focusing on AI Agents and Prompt Engin ...

Citi Quality Engineer with Automation Expertise

Join Citi's mission as a Quality Engineer specializing in Automation. Focus on deepening test methodologies, enhancing automation strategies, and ensuring high-quality software delivery in an agile setting.Citi is seeking a Quality Engineer with extensive testing experience, particularly in automation. Ideal ...

Lead Software Engineer at Citi Tech

Transform the landscape of global finance as a Lead Software Engineer with Citi's Tech team. Drive the design and implementation of automated platforms that set the standard in the industry.You will play a vital role within Markets Operations Technology focusing on margin and collateral improvements. This po ...

Transformative Engineering Leader at Citi

Shape the future of engineering at Citi as a transformative leader who inspires cultural change and improves delivery excellence. Engage actively with engineering teams while embedding best practices.As a Senior Vice President, you'll orchestrate the shift towards a robust engineering culture and play a pivo ...

Citi Senior Trading Systems Engineer

Elevate your career as a Senior Trading Systems Engineer at Citi, focusing on building high-quality trading applications. Engage in modern software practices like DevOps and CI/CD.You will play a pivotal role in developing and maintaining back-office trading systems by applying advanced engineering methodolo ...

Hybrid SDET at SOTI, Mississauga

Explore an SDET role at SOTI, Mississauga, where you can develop and maintain automated testing frameworks. This hybrid position allows you to use your testing expertise effectively.In this role, you will design test frameworks that ensure software reliability and collaborate with various teams to refine tes ...

Applied AI Full Stack Engineer Vice President

Seize the opportunity at Citi as a Vice President Applied AI Full-Stack Engineer, where technology meets innovation in Corporate Banking. Your engineering excellence will directly impact business outcomes through AI solutions.This role distinguishes itself by emphasizing outcomes rather than code volume. You ...

Citi Senior Applications Analyst Role

Advance your expertise with Citi's Senior Applications Analyst role focused on application systems analysis and development. This position combines your programming skills with team collaboration to enhance business applications.In this intermediate-level role, you will work alongside the Technology team to ...

Citi Senior Applications Analyst Role

Advance your expertise with Citi's Senior Applications Analyst role focused on application systems analysis and development. This position combines your programming skills with team collaboration to enhance business applications.In this intermediate-level role, you will work alongside the Technology team to ...

Software Design Assurance Engineer at Zebra

Join Zebra Technologies as a Software Design Assurance Engineer, focusing on software quality assessments up to 10+ years of experience required. Drive impactful solutions for mobile computing in a hybrid work setting.In this senior role at Zebra, you will lead the quality assurance processes for innovative ...

Senior Lead Data Engineer Role

Become a Senior Lead Data Engineer at Bell, where your technical direction influences AI development and data product efficacy. Embrace a hands-on leadership role while setting high engineering standards.This role seeks an experienced lead with a strong background in data engineering, preferably with 7+ year ...

Pega Consultant with Technical Leadership

Join Infosys as a Pega Lead Consultant in Mississauga, Canada, focusing on solution architecture and technical leadership. Implement strategic consulting solutions to meet evolving client demands.This position encompasses leading the consulting team in designing complex Pega applications and aligning them wi ...

Senior Engineering Lead at Guidewire

Join Guidewire as a Senior Engineering Manager, leading teams focused on innovative cloud solutions. Leverage your expertise in SaaS and AI to enhance engineering outcomes in a flexible setting.This role within the APD organization involves leading multiple engineering teams dedicated to delivering scalable ...

Software Quality Assurance Engineer at Zebra

Zebra Technologies seeks a Software Quality Assurance Engineer to enhance product quality in Mississauga, Ontario. Leverage your expertise in mobile computing and embedded systems to ensure high performance standards.This role requires over 10 years of experience in software engineering, focusing on quality ...

Expert Software Assurance Engineer at Zebra

Drive software quality at Zebra as a Software Design Assurance Engineer. Leverage 10+ years of experience to enhance mobile computing and machine vision technologies while working on-site in Mississauga, Ontario.Zebra Technologies is searching for a seasoned Software Design Assurance Engineer. In this crucia ...

Technical Consultant II at Walmart Canada

Walmart Canada's Technical Consultant II role in Mississauga emphasizes full-stack development and cloud solutions. Leverage your expertise in Google Cloud Platform and modern development techniques to create high-impact applications.As a Solution Consultant II, you will manage application development from i ...

Vice President of Control Development at Citi

Lead strategic regulatory initiatives with Citi as the Vice President of Regulatory Control Modelling Development in Mississauga. Utilize Java and Big Data technologies to support the Market Business.This senior role in Citi's Market Business Control Technology team requires a motivated leader to oversee the ...

Citi Assistant VP Full Stack Programmer Analyst

Advance your career as an Assistant Vice President Full Stack Programmer Analyst at Citi. This role demands your expertise in creating and maintaining advanced application systems while collaborating with cross-functional teams.As part of the Applications Development team, you will leverage 5-8 years of expe ...

Citi DevOps Engineer Lead

Citi is on the hunt for a skilled DevOps Engineer Lead with Java experience to spearhead our automation initiatives. Elevate our CI/CD processes and lead engineering teams to success.The full-time DevOps Lead position focuses on implementing strategies that enhance application reliability and security throug ...

Senior Database Administrator mississauga

Senior Database Administrator RBC , Toronto, ON (Hybrid – 4 days onsite) We are looking for an experienced Senior Database Administrator with: 12+ years of Database Administration experience Strong expertise in DB2 and SQL Server (MSSQL) < ...

IBM Case Management and Workflow Lead

Become an integral part of IBM as our Case Management and Workflow Lead. Shape the development of innovative applications that drive business transformation and efficiency.We're seeking a skilled Workflow and Microservices Lead to enhance our case management systems. With your 6+ years of specialized experie ...

RBC AI/Machine Learning Lead Engineer

Join RBC as a Lead AI/Machine Learning Engineer and spearhead innovative ML projects in Mississauga, Canada. Collaborate with diverse teams to align technology with business strategies.In this pivotal role with the RBC Insurance Active Data Platform, you will guide a team focused on developing cutting- ...

Expert Software Assurance Engineer at Zebra

Drive software quality at Zebra as a Software Design Assurance Engineer. Leverage 10+ years of experience to enhance mobile computing and machine vision technologies while working on-site in Mississauga, Ontario.Zebra Technologies is searching for a seasoned Software Design Assurance Engineer. In this ...

RBC AI/Machine Learning Lead Engineer

Join RBC as a Lead AI/Machine Learning Engineer and spearhead innovative ML projects in Mississauga, Canada. Collaborate with diverse teams to align technology with business strategies.In this pivotal role with the RBC Insurance Active Data Platform, you will guide a team focused on developing cutting-edge m ...

Citi Workflow Lead with Microservices Expertise

Step into the role of Workflow Lead at Citi, where you'll utilize microservices for innovative workflow solutions. Help shape the future of banking technology with your expertise.As a Workflow Lead, you will spearhead the architectural evolution of case management systems at Citi. Your six-plus years of hand ...

Lead Workflow Architect Citi Technology

Shape the future of client lifecycle management as the Lead Workflow Architect at Citi, focusing on designing advanced KYC processes. This full-time role emphasizes collaboration and technological innovation.This Senior Workflow and Microservices Lead position at Citi demands a proactive expert with extensiv ...

Citi DevOps Engineer Lead

Citi is on the hunt for a skilled DevOps Engineer Lead with Java experience to spearhead our automation initiatives. Elevate our CI/CD processes and lead engineering teams to success.The full-time DevOps Lead position focuses on implementing strategies that enhance application reliability and security throug ...

AI/GenAI Testing Lead Position

Become an AI/GenAI Test Lead at EPAM, where you will configure advanced testing agents and ensure AI outputs meet enterprise standards. Drive adoption and enhance quality across teams.In this impactful position, you will shape AI-driven testing methodologies while collaborating with various internal teams. Y ...

RBC AI/Machine Learning Lead Engineer

Join RBC as a Lead AI/Machine Learning Engineer and spearhead innovative ML projects in Mississauga, Canada. Collaborate with diverse teams to align technology with business strategies.In this pivotal role with the RBC Insurance Active Data Platform, you will guide a team focused on developing cutting-edge m ...

IBM Case Management and Workflow Lead

Become an integral part of IBM as our Case Management and Workflow Lead. Shape the development of innovative applications that drive business transformation and efficiency.We're seeking a skilled Workflow and Microservices Lead to enhance our case management systems. With your 6+ years of specialized experie ...

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