senior react developer jobs in Toronto

A technology solutions provider in Toronto is seeking a Mid-Senior level developer to implement automated cybersecurity solutions. Candidates should have over 8 years of Python programming experience and familiarity with application architecture design, Linux operating systems, and networking. Strong communication skills and the ability to work independently...

Project XIII Staffing is partnering with a large public sector digital services program to hire a Senior Full Stack / Front End Developer (Contract Role) based in Ontario. This role will support the development of secure, scalable enterprise applications within a regulated, high-security environment. The Opportunity The Senior Full Stack / Front End...

Senior Staff Software Developer, Core InfrastructureToronto, CanadaJoin us in building the future of finance.Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this...

A technology company is seeking a Senior Java Developer to work within Capital Markets. Responsibilities include ensuring data quality, optimizing data pipelines, and developing production-grade applications. Ideal candidates will have over 6 years of experience in Java and relevant big data tools. This is a hybrid position based in London, offering...

MaintainX is a leading mobile-first work execution platform for industrial and frontline teams. More than 13,000 customers, including Duracell, McDonald's, Shell, DHL and Volvo, use MaintainX to cut unplanned downtime and run better operations, across 13.9 million managed assets and 79.5 million completed work orders. In August 2026 MaintainX became part of...

Shape the future of data science as a Senior Machine Learning Developer with Index Exchange, focusing on applied machine learning strategies and enterprise-scale solutions. You will play a critical role in defining the company's technological trajectory, emphasizing MLOps systems and advanced data management practices. Your experience will guide teams...

A career as a senior AS400/I-series developer in the DFS team means acting as an AS400 development specialist and playing a crucial role in the management and development of computer systems. It means being responsible for the management, development, security, and maintenance of applications on AS400 systems, while closely collaborating with other teams to...

A global consulting company is seeking an experienced Senior Software Developer specializing in Shopify for a 6-month remote contract. The role involves developing and customizing Shopify themes, supporting headless implementations, and crafting custom applications. Ideal candidates should have a minimum of 3 years of Shopify development experience and...

A technology consulting firm in Toronto is seeking a Senior Software Developer with over 10 years of experience in IT systems development. You will work in a hybrid setting, collaborating with analysts and leading teams to design and integrate advanced technological solutions. Ideal candidates will have a strong background in full-stack development and...

A leading software company is looking for a Senior Java Developer to ensure data quality and optimize data pipelines. The role requires at least 10 years of hands-on experience with Java and related technologies, such as SQL, Spring, and Cassandra. You will work in a hybrid environment in Toronto or London and collaborate with Agile teams to deliver scalable...

Employment Status: Regular Time Type: Full timeBUILDING A WORLD CLASS TEAM STARTS WITH YOUAt the heart of CSA Group is a vision: making the world a better, safer, more sustainable place. It's been part of our mission for nearly one hundred years: from the first engineering standard for railway bridges developed in 1919, to more than 3,500 standards, codes &...

A leading consulting firm is seeking a Mid-Senior level Senior Developer for Fixed Income Trading to build a best-in-class platform. This 6-month contract role, currently remote, requires 7+ years of complex software development experience, particularly in high-performance systems and FIX protocol. The candidate will collaborate closely with various teams to...

Procom seeks a Senior Software Developer for CRM - MS Dynamics for a 4-month, on-site engagement in Toronto. The project centers on Dynamics CRM customization and integration for a Government Services client.You will translate technical specs, develop workflows and plugins, and collaborate with IT across the SDLC using C#, JavaScript, HTML, and Power...

Our employees are at the heart of everything we do. Together, we help people, businesses, and society prosper in good times and be resilient in bad times. Our employee promise represents Intact’s commitment to you in exchange for living our Values, striving to do your best work, being open to change and investing in your career. In return, we promise to...

Join a leading role as a Senior Full Stack Developer specializing in Angular and AWS Cloud within our Digital Banking team in Toronto. Drive modernization initiatives by crafting secure, scalable applications in a hybrid environment. In this full-time role, you'll leverage over ten years of experience to design, develop, and maintain applications while...

Elevate your career as a Senior Java Full Stack Developer with Iris Software, a trusted partner to Fortune 100 companies. Leverage strong Java and Angular expertise in this dynamic role focused on banking applications. Iris Software Inc. is seeking a Senior Java Full Stack Developer with 8-10 years of experience to design and deliver enterprise-grade...

RQ09300 - Software Developer - Back End - Senior Job Openings RQ09300 - Software Developer - Back End - Senior About the job RQ09300 - Software Developer - Back End - Senior Responsibilities / Deliverable / Skill Set Requirements Analysis leading to detailed information related to the current system logical and physical design and code structures during the...

Drive innovation as a Senior Software Developer with a focus on healthcare AI. This remote opportunity involves building a cutting-edge population health platform from scratch. This role is pivotal as a senior individual contributor, reporting to the Head of Engineering. You will be responsible for designing architecture and selecting tech stacks to create...

Powered by Passion. United by Purpose. Build for Impact. At Maple Leaf Sports & Entertainment Partnership (MLSE), we exist to deliver the ultimate fan experience by lifting trophies, spirits, and communities – united as one. We're more than a workplace. We are a team of passionate people, boldly building the future of sport and entertainment, together. We...

RQ08992 - Software Developer - Full Stack - SeniorJob Openings RQ08992 - Software Developer - Full Stack - SeniorAbout the job RQ08992 - Software Developer - Full Stack - SeniorDescription:Responsibilities Design, implement, and continuously expand data pipelines by performing extraction, transformation, and loading activities. Required to translate...