senior full stack java developer jobs in Toronto

About the TeamAuth0's Acquisitions and Activation Team focuses on securing identities so innovators can innovate. The team owns the crucial first impressions of the Auth0 ecosystem, applying data-driven experimentation and A/B testing to optimize the early customer journey—from the moment a developer signs up to the precise second they hit their "ah‑ha"...

Alimentiv is a global CRO with a singular focus: advancing therapies for patients with gastrointestinal diseases. GI is our WHY and for more than 30 years that purpose has driven our scientific rigour, operational excellence, and deep therapeutic expertise, including supporting more than 70% of IBD compounds in development. We operate as a private,...

HSBC is seeking a Senior Full Stack Engineer to join the CTO Platforms team in Toronto. The role focuses on app.hsbc with end-to-end responsibility for platform products, balancing new delivery with debt remediation and improving engineering standards.It requires hands-on leadership in a regulated environment to ensure reliable, small non-breaking releases...

Synechron in Toronto is seeking a Java Developer to join the Cash Equities Client & Market Connectivity team. You will design and implement scalable, low-latency Java services and collaborate with product owners across a geographically dispersed, multicultural environment.The role requires strong problem-solving, architecture thinking, and hands-on...

Senior Java Developer – TDD, JUnit, CI/CD & Code Quality Roles and Responsibilities Design, develop, and maintain high-quality, maintainable Java applications using clean code principles and established design patterns. Write comprehensive, meaningful unit tests using JUnit and Mockito to ensure code correctness, reliability, and long-term...

Proof is seeking a Senior Full-Stack Developer to join our engineering team as we scale. You will design, develop, and maintain frontend and backend components, using Go for APIs and React/TypeScript for the UI, in a remote Canada-based role.The role offers full-time salary CAD 155,000–175,000, comprehensive benefits, and equipment. Candidates must reside...

Lead the development of impactful technologies as a Senior Full-Stack Engineer in a mission-driven healthtech environment. Collaborate on building scalable products that enhance patient and pharmacist interactions in a rapidly growing startup. In this critical role, you will architect solutions crucial to the customer experience across multiple web...

Job Description Senior Full Stack Engineer What Is The Opportunity? The Third-Party SaaS Solutions team Strategically partners with internal teams and critical third-party application vendors to deliver key client and employee services using SaaS. In the past, many of these application providers were deployed on premises, where RBC controlled much of the...

A leading technology consulting firm in Toronto is seeking a Junior Full Stack Software Developer. The role involves translating specifications into applications, collaborating with teams, and requires proficiency in C#, .NET, and XML. Candidates must have at least 2 years of experience and understand AODA compliance. This position requires working from the...

Corpay is seeking a Full Stack Software Developer in Toronto, ON. Join an agile team to design, develop, and deliver scalable financial software for cross-border payments. You will work on front-end and back-end components, APIs, and contribute to architecture decisions while collaborating with Product, Engineering, and QA teams.Hybrid work arrangement with...

New Grad: AI-Assisted Full-Stack Developer2026-10-01Role DescriptionApplication Deadline: October 11, 2026CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes factors such as skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions depend on...

STAN is looking for a full-time Senior Software Engineer who is an enthusiastic problem solver to help create the technology that will change the way we manage residential communities. We believe that properties can be autonomously managed. Do you? This position is based in North York and is currently hybrid in-office. This position is ideal for someone who...

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...

Inclusion without Exception Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our...

Senior Java Developer – Spring Boot, REST APIs, TDD & CI/CD Roles and Responsibilities Design, develop, and maintain high-quality, maintainable Java applications and services using clean code principles and established design patterns. Write comprehensive, meaningful unit tests using JUnit and Mockito to ensure code correctness, reliability, and long-term...

Proof is seeking a Senior Full-Stack Developer to help scale our Go-based backend and React/TypeScript frontend. You'll design, build, and maintain robust APIs, interfaces, and services across the stack in a collaborative, remote-friendly environment.You\'ll partner with Product and Design, review code, mentor teammates, and explore new technologies to drive...

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of...

We are seeking a highly skilled Lead Full Stack Engineer to join a high-impact engineering team building a next-generation Operational Data Hub. This platform acts as a central “book of record” for enterprise data, enabling seamless data ingestion, processing, and distribution to downstream systems through real-time streaming and API-driven architecture....

Source Code Staffing is seeking a Senior Full Stack Engineer to design and deliver end-to-end C#.Net/Angular applications hosted in Azure. The role includes mentoring, architecture reviews, and CI/CD ownership within a fully remote setup for a 1-year contract.The ideal candidate has extensive experience with ASP.NET MVC, .NET Core, Web API, Azure services,...

A tech company specializing in Physical AI located in Toronto, Ontario is seeking a Senior Full Stack Engineer to join their team. This role involves designing and developing scalable web applications using Angular and backend technologies such as Python, Rust, or C++. Ideal candidates will have 3+ years of experience in full-stack development and a strong...