senior java developer contract 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...

Bevertec in Toronto is seeking a Senior-.NET Software Developer for an onsite contract role. You will design and implement enterprise-grade web applications using C#, ASP.NET, and Web APIs, collaborating with QA and DevOps. You will optimize SQL Server databases, design data models, and contribute to detailed specifications. Expect CI/CD workflows in Azure...

RBC is seeking a Senior API Developer to build robust, scalable REST/GraphQL APIs for commercial clients. You will design, develop, and maintain APIs, collaborating with product, architecture, and infrastructure teams to ensure security, performance, and reliability. Ideal candidates have 5+ years of software development experience with at least 4 years in...

Java Backend Developer - API, Microservices Experience Level: 8+ years of experience in Java development Job Description: Proven experience in designing Java/Java EE solutions Experience in designing Microservices & APIs Proven experience in Java back-end development with the following technologies: JDK 8+, GitHub, REST, Spring, Spring Boot, Apache CXF,...

Job Functions / ResponsibilitiesCollaborates with Systems Architects, Software Team Leads and other Software Developers to design, develop and deploy technical solutions.Analyses complex information, designs, develops and troubleshoots database applications.Reviews functional requirements and prepares and documents technical program, subsystem and system...

Job Role: Software Developer – Senior (Dynamics 365 CRM and Java/React) Location : Toronto, ON/Onsite Position Type : Contract Role Start Date 2026-09-21 End Date 2027-03-31 5 days Onsite in a week Ideal Candidate Rate: CAD 90-95/Hr (Depending on the experience) Must have these technical skills: Node.js/Next.js/React, Java, Power Platform/Dynamics Must...

We are seeking an experienced Senior Java Developer / Technical Lead to design and deliver secure, scalable, high-performance banking and payment applications. The ideal candidate will have strong expertise in Java, Spring Boot, microservices, REST APIs, Kafka, database optimization, and cloud-native technologies, along with proven technical leadership...

Java expertise drives enterprise full-stack development in Toronto, with this fully onsite contract focused on secure APIs and scalable applications. As a Senior Software Developer, you will design, develop, integrate, and maintain large-scale web applications. The work spans front-end, backend, workflow, API, and data-access layers using Java and modern web...

Maarut is seeking a Senior Software Developer – Full Stack to design, develop, test, deploy, and maintain enterprise-grade platform capabilities across UI, service, API, workflow, and data-access layers. You will build reusable platform services to support government programs, onboard registries, forms, payments, and notifications, while collaborating...

Build backend systems with Java and Spring Boot at Agilno, working hybrid in the Greater Toronto Area or remotely on Pacific Time. As a Senior Java Developer, you will spend most of your time developing backend architecture and features. You will also use React and TypeScript for complete end-to-end delivery. The application supports web, mobile, Microsoft...

RBC is seeking a Senior API Developer to build robust, scalable REST/GraphQL APIs for commercial clients. You will design, develop, and maintain APIs, collaborating with product, architecture, and infrastructure teams to ensure security, performance, and reliability.Ideal candidates have 5+ years of software development experience with at least 4 years in...

Toronto-based Senior Full Stack Software Developer work spans Java, REST APIs, and enterprise platform services across multiple application layers. This senior developer designs, develops, integrates, tests, deploys, and maintains secure platform capabilities. The work covers frontend, backend, APIs, workflows, integrations, and data access. You will...

In just three decades, ALTEN has become a global leader in Research & Development, Engineering, IT Services, Life Sciences, and Network Services. With a presence in more than 30 countries and a team of over 60,000 employees, we are trusted by industry leaders worldwide to deliver pioneering solutions and drive technical excellence. ALTEN CANADA, a proud...

Lead Java backend development with Spring Boot, microservices, and AWS expertise in a senior engineering capacity. Apply deep experience across modern software systems. This senior Java developer role requires 9+ years in Java development and 10+ years of overall IT experience. You will work with Java/J2EE, Spring, Spring Boot, dependency injection...

Senior Full Stack Developer (Java / Angular) is sought for a 100% onsite contract with the Ontario public service. The role focuses on modernizing operational reporting by migrating WebFOCUS to a new Azure-hosted portal and delivering secure REST APIs.Lead UI and backend development, ensure accessibility, and align with OPS architecture and security...

Hands-on Curam development and J2EE Java expertise define this senior Technical Specialist opportunity in case management and ERP systems. This senior position translates technical specifications into tested applications through analysis, design, coding, compilation, maintenance, and unit testing. You will troubleshoot software packages, support...

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...

Java expertise anchors this Senior Software Developer role in a hybrid arrangement, requiring two to three days weekly at 5700 Yonge St.Translate technical specifications into tested applications while supporting production systems. Use Java SE/EE, object-oriented design, REST, SOAP, and Oracle concepts. Apply architecture patterns, IBM Curam knowledge,...

Use Java and Angular expertise in a fully office-based Senior Full Stack Software Developer position, five days each week. Apply deep programming experience to enterprise applications.This senior developer position requires 10+ years of programming and development experience in Java and/or Angular. You will develop Java applications using Liberty, Spring,...

Advance your career as a Hybrid Senior Java Developer concentrating on Adobe Experience Manager in Toronto, ON. This role involves extensive work with modern Java technologies. We are looking for a candidate with at least 10 years of experience, especially in Core Java and JEE technologies, including Spring and Angular. As a member of our Agile/Scrum team,...