senior java developer contract jobs in Toronto

Senior Enterprise Java Developer and Lead We are looking for a Senior Java developer,on contract, for one of our major clients in Ontario. The work is remote.Senior Enterprise Java Developer and LeadThe technical requirements for the Java Lead are the same as that of Java developer with the additional experience in managing a team of developers.Bachelor’s...

We are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services client.This role bridges high-scale microservices architecture with GenAI. You will help the bank build scalable, resilient, API-driven ecosystems that embed LLMs, agentic...

Design secure Java platforms onsite, spanning user interfaces, APIs, services, workflows, integrations, and data-access layers. Apply REST and microservices expertise. This senior full stack developer builds enterprise capabilities supporting multiple government programs. The work includes reusable platform services and connections for registries,...

Java and AWS expertise meet banking solutions in this developer position, focused on scalable cloud-native applications and backend services. Build full-stack systems with modern frameworks. Working with a top financial client through BeachHead, this Java AWS Developer role requires eight-plus years of professional Java development. You will design,...

Use Java and REST APIs to build enterprise platform capabilities as a Senior Full Stack Developer working five days onsite. Your work spans frontend, backend, integration, and data-access layers. This senior position develops secure, scalable, observable, and maintainable applications for multiple government programs. You will build microservices, reusable...

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...

Develop IBM CMOD solutions with Java and Python at CGI in Downtown Toronto, working four days onsite and one day remotely each week. As a Senior CMOD Developer, you will build enterprise content management applications within CGI’s Banking Services Division. Your work includes document storage, retrieval, metadata management, Unix automation, SQL...

# Senior Java Python Developer (CMOD)CGI · Toronto, Ontario, CABack to resultsSenior Java Python Developer (CMOD)CGIToronto, Ontario, CA Posted October 21, 2026 Via Leading Talent### Full Job DescriptionCGI Canada Career – Java DeveloperBy playing this video you consent to Google/YouTube processing your data and using cookies – Learn more.Position...

Design scalable Java and Spring Boot services from the Greater Toronto Area, working primarily remotely with on-site collaboration as required. Build backend solutions for complex enterprise workflows. This full-time, two-month contract supports an application modernization initiative in transportation and logistics. As a Senior Java Developer, you will...

Build enterprise applications with Java and Spring Boot at Capgemini, focusing on secure microservices within a complex financial-services environment.This Senior Java Full Stack Developer position combines backend engineering with Angular or React interfaces, REST APIs, Kafka processing, and cloud deployment. You will collaborate across architecture,...

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the value of technology and...

Established in 1991, Collabera has been a leader in IT staffing for over 22 years and is one of the largest diversity IT staffing firms in the industry. As a half a billion dollar IT company, with more than 9,000 professionals across 30+ offices, Collabera offers comprehensive, cost-effective IT staffing & IT Services. We provide services to Fortune 500 and...

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...

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...

Use Java and REST APIs to build enterprise platform capabilities as a Senior Full Stack Developer working five days onsite. Your work spans frontend, backend, integration, and data-access layers. This senior position develops secure, scalable, observable, and maintainable applications for multiple government programs. You will build microservices, reusable...

Build Java applications with Spring Boot and AWS at Nasdaq while supporting reliable cloud-ready delivery on a Wednesday-to-Sunday schedule. This Software Developer role contributes to web-based and back-end server applications for financial securities customers. You will collaborate with development, QA, DevOps, and operations teams using iterative delivery...

Lead Java microservices and LLM integration for core banking systems in a hybrid role, working two days weekly from downtown Toronto.As a Senior Java Developer, you will implement architect-designed solutions for a major financial services client. Your work spans Spring Boot, RESTful APIs, gRPC, Python, and agentic workflows. You will also help developers...

Senior Java application development expertise is needed for this remote Canada-based contract with NTT DATA, emphasizing Spring Boot and RESTful APIs.The Senior Applications Developer manages full systems life cycles, including analysis, design, coding, testing, and implementation. You will contribute to architecture, technology planning, integrations, and...

Build enterprise routing engines with Java and Spring Boot at Miratech, working remotely within its Work From Anywhere culture. Shape real-time interaction distribution. As a Senior Routing Engine Developer, you will develop distributed backend services for contact center operations. The work spans microservices, REST APIs, event-driven architecture,...

Shape the future of API integration at Allstate as a Senior Java Integration Developer in a hybrid work environment. Lead innovative projects focusing on microservices and secure APIs. Allstate is building a new Integrations Team, aimed at modernizing integration capabilities. This role requires at least 6-8 years of experience in API design and...