senior java backend developer jobs in Toronto

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  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Altis Technology Full-time

    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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Miratech1 Full-time

    Build enterprise applications with Java, Spring Boot, and React in a hybrid Senior Full Stack Developer role based in downtown Toronto. Design secure, scalable solutions across front-end and back-end environments. Miratech seeks a senior engineer with seven-plus years of software development experience, including significant full stack development. You will...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Miratech Full-time

    Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Altis Technology Full-time

    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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Softline Technology Inc. Full-time

    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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Miratech Full-time

    Senior Full Stack Developer (Java/React) Full-time Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Miratech Full-time

    Build enterprise applications with Java and React as a Senior Full Stack Developer at Miratech, working hybrid two days weekly in downtown Toronto. This full-time senior role spans front-end interfaces, back-end systems, APIs, microservices, databases, and cloud deployments. You will translate business requirements into technical solutions while...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Miratech Full-time

    Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a...


  • Toronto, Ontario, Canada Deloitte Full-time $72,000 - $138,000 Contract

    Job Type: Temporary ContractWork Model: HybridReference code: 135805Primary Location: Toronto, ONAll Available Locations: Toronto, ON Our Purpose At Deloitte, our Purpose is to make an impact that matters. We exist to inspire and help our people, organizations, communities, and countries to thrive by building a better future. Our work underpins a...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Procom-b5a780c3 Full-time

    Senior Full Stack Developer - Java and FHIROn behalf of our healthcare client, Procom is searching for a Senior Full Stack Developer - Java and FHIR for a 4-month role. This position is a hybrid position with 3 days onsite at our client’s Toronto office.Senior Full Stack Developer - Java and FHIR - Job Description:This role involves working on a critical...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Procom Full-time

    Senior Full Stack Developer - Java and FHIROn behalf of our healthcare client, Procom is searching for a Senior Full Stack Developer - Java and FHIR for a 4-month role. This position is a hybrid position with 3 days onsite at our client’s Toronto office.Senior Full Stack Developer - Java and FHIR - Job Description:This role involves working on a critical...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Kelly Services Full-time

    Build enterprise banking software with Java and Spring Boot in a hybrid Downtown Toronto engineering team. Apply backend expertise across scalable solutions. This Java Software Engineer role requires five-plus years of experience and focuses primarily on backend development. You will work with Java, Spring Boot, microservices, PostgreSQL, Docker, and cloud...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Arkhya Tech Inc. Full-time

    Build high-throughput streaming systems as a Senior Java Engineer specializing in Apache Flink, working hybrid from downtown Toronto three days weekly. This senior backend engineering role supports the Core Data Platform team in evolving real-time data architecture. You will develop stateful pipelines with Java DataStream and Table/SQL APIs, integrate Apache...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada HelloFresh Full-time

    Elevate production scheduling systems at HelloFresh as a Senior Backend Developer. This role focuses on backend architecture using Python and FastAPI to optimize meal production workflows. The Production Scheduling Technology team is looking for a skilled backend engineer to enhance their automated planning systems. You will work with a modern tech stack,...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada HelloFresh Full-time

    Elevate production scheduling systems at HelloFresh as a Senior Backend Developer. This role focuses on backend architecture using Python and FastAPI to optimize meal production workflows. The Production Scheduling Technology team is looking for a skilled backend engineer to enhance their automated planning systems. You will work with a modern tech stack,...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision! Full-time

    Job Functions / Responsibilities Collaborates 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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Softline Technology Inc. Full-time

    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...


  • Greater Toronto Area, ON, Canada Tata Consultancy Services Full-time $90,000 - $100,000 Contract

    **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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Miratech1 Full-time

    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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Softline Technology Inc. Full-time

    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...