developer senior java jobs in Toronto

10,000 developer senior java job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, Ontario, Canada CGI Full-time $95,000 - $145,000 Contract

    CGI Canada Career - Java Developer By playing this video you consent to Google/YouTube processing your data and using cookies – Learn more. Position Description: Join a purpose driven winning team, committed to results, in an inclusive and high performing culture.Contributes to the overall success of the Enterprise Customer...


  • Toronto, Ontario, Canada Mitchell Martin Inc. Full-time

    Lead Java and React development in a hybrid setting while guiding junior developers and resolving complex technical issues. This contract role offers $59.00-$64.00 per hour.As a Senior Full Stack Developer, you will lead key projects across backend and front-end development. You will use Java, React, Angular, and object-oriented design while delivering...


  • Toronto, Ontario, Canada Miratech1 Full-time

    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...


  • Toronto, ON, Canada Yoush Consulting Full-time €120,000 - €180,000 Contract

    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 Lead The technical requirements for the Java Lead are the same as that of Java developer with the additional experience in managing a team of developers. -...


  • Toronto, ON, Canada Rubicon Path Full-time €100,000 - €120,000 Contract

    Develop secure, high-performance applications using Java frameworks, microservices, RESTful APIs, and enterprise integration technologies in a provisionally hybrid assignment. Work Monday to Friday within stated hours. This Senior Software Developer contributes to the Criminal Justice Digital Design modernization program within Justice Technology Services....


  • Toronto, Ontario, Canada Miratech Group 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 Miratech Group Full-time

    Senior Java Developer (with LLM expertise) 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, Canada Info-Ways Full-time €110,000 - €150,000 Contract

    Advance your career in Toronto with a full-time opportunity as a Senior Java Developer specializing in API and MQ related to Capital Markets. Your expertise will shape the future of trading applications. This position requires a minimum of 8 years of hands-on experience, particularly in Java API, MQ, and adapter technologies using Oracle databases....


  • Toronto, ON, Canada BeachHead Full-time $82,000 - $110,000 Contract

    Build Java solutions for banking platform modernization, using backend or full-stack development and Angular experience where applicable. Support secure digital experiences through Agile delivery.This senior developer assignment supports a large-scale financial technology modernization initiative. You will develop, test, document, and support Java solutions...


  • Toronto, ON, Canada Rubicon Path Full-time

    Take the next step in your career as a Senior Software Developer, specializing in full stack development using Java and Azure cloud services. This role encompasses designing, implementing, and managing innovative software solutions. Candidates should exhibit strong problem-solving skills and experience in API development, microservices, and cloud-native...


  • Toronto, ON, Canada Rubicon Path Full-time $90,000 - $120,000 Contract

    Build tested Java applications as a Senior Software Developer, using Spring Boot, REST APIs, and full stack development expertise.This senior developer translates technical specifications into working applications through analysis, design, coding, compilation, maintenance, and unit testing. The work includes troubleshooting software packages, supporting...


  • Toronto, ON, Canada Nasdaq, Inc. Full-time €147,000 - €209,000 Contract

    Build Java applications with Spring Boot and AWS while supporting Nasdaq’s securities technology through a Wednesday-to-Sunday hybrid schedule. Deliver cloud-ready software across office and remote coverage. As a Software Developer, you will create professional web-based and back-end server applications for demanding financial securities customers. The...


  • Toronto, ON, Canada Agilno (Pivot 2026) Full-time €110,000 - €150,000 Contract

    Apply Java backend expertise to practical AI features at Agilno, building document workflows with AWS-hosted large language models. This Senior Java Developer position centers on robust architecture, feature development, and production REST APIs. Java and Spring Boot account for approximately 80–90% of the work, while React and TypeScript support the...


  • Toronto, ON, Canada S I Systems Full-time €90,000 - €130,000 Contract

    Modernize a banking platform with Java and Agile in Toronto’s hybrid Software Developer III contract. Apply backend expertise across a major transformation initiative. This senior developer role requires five-plus years of Java and backend or full stack experience. You will contribute to a new platform modernization project within an eight-person...


  • Toronto, 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, Canada S.I. Systems Ltd. Full-time €90,000 - €130,000 Contract

    Modernize a banking platform with Java and Agile in Toronto’s hybrid Software Developer III contract. Apply backend expertise across a major transformation initiative. This senior developer role requires five-plus years of Java and backend or full stack experience. You will contribute to a new platform modernization project within an eight-person...


  • Toronto, ON, Canada Altis Technology Full-time €138,000 - €145,000 Contract

    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, Canada Linuxassociation Full-time €90,000 - €130,000 Contract

    # 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...


  • Toronto, ON, Canada Rubicon Path Full-time €90,000 - €140,000 Contract

    Senior Full Stack Java Developer work follows a hybrid schedule, combining onsite delivery three days weekly with two days from home. This senior assignment supports large, complex, legacy applications using Java, J2EE, Jakarta, WebSphere, and Tomcat. The work spans sustenance analysis, technical design, implementation, testing, security, databases,...


  • Toronto, Ontario, Canada TD Full-time $102,200 - $125,000 Contract

    Work Location: Toronto, Ontario, Canada Hours: 37.5 Line of Business: Technology Solutions Pay Details: $102,200 - $125,000 CAD This role is eligible for a discretionary variable compensation award that considers business and individual performance. TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth...