senior java api developer jobs in Montreal

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8,933 senior java api developer job listings in Canada. Find daily updated positions from leading job boards.


  • Montreal, Quebec, Canada TMC Canada Full-time

    Develop RESTful APIs and web services with Java for TMC’s modernization initiative supporting client onboarding and regulatory compliance. Apply Spring, SOA, and scalable enterprise development practices.This Senior Java Back-End Developer contributes to a next-generation platform within a leading global financial institution. The work requires Core Java,...


  • Montreal, Quebec, Canada Astek Full-time

    Astek Canada recherche un Développeur Senior Java orienté API REST pour renforcer son équipe à Montréal, en mode hybride (2 jours au bureau). Vous contribuerez à la modernisation technologique et au développement d’APIs critiques, tout en favorisant les pratiques DevSecOps et l’usage de l’IA.Vous migrerez des applications vers des technologies...


  • Montreal, Quebec, Canada Astek Group Full-time

    À Montréal, développez des API REST avec Java 17+ au sein d’un mode hybride exigeant deux jours par semaine au bureau. Contribuez à des solutions modernes et robustes.Comme Développeur Java Senior et Architecte Applicatif chez Astek Canada, vous participerez à la modernisation technologique et à l’automatisation des processus d’affaires. Votre...


  • Montreal, Quebec, Canada Firstbase Full-time

    Pour la version française de cette description de poste, veuillez consulter le lien suivant / For the French version of this job description, please refer to the following link:Développeur/Développeuse LogicielAbout AppDirectBecome a digital, global citizen and enable the new generation of digital entrepreneurs around the world. AppDirect offers a...

  • Senior Java Developer

    3 hours ago


    Montreal, Quebec, Canada Compunnel Inc. Full-time

    JOB SUMMARYThe Global Security Settlements Team is seeking a Senior Full Stack Java Developer with 5+ years of experience to join their Montreal-based team. This role is crucial in building a resilient, scalable, and secure cloud-based settlement platform that handles high volumes of trades and financial transactions globally. The developer will be involved...

  • Senior Java Developer

    3 hours ago


    Montreal, Quebec, Canada Tecsys Inc. Full-time

    At Tecsys, the software we deliver keeps hospitals, pharmacies and distributors supplied with what they need, when they need it. Every role here connects to that outcome. Why This Role Matters As a Senior Java Developer, you will join a team at the heart of the backend systems that power mission‑critical supply chains in healthcare, retail, and complex...


  • Montreal, QC, Canada Quantum World Technologies Inc. Full-time $85,000 - $120,000 Contract

    A leading technology firm is seeking a highly skilled Senior Technical Recruiter to ensure the quality and reliability of software products through effective testing strategies. The ideal candidate has proven experience in API testing, strong proficiency in Java, and hands-on experience with test automation frameworks. This position offers the opportunity to...


  • Montreal, QC, Canada NTT America, Inc. Full-time $105,000 - $187,000 Contract

    Build OnBase integrations remotely across Canada using Unity API, REST/SOAP services, and C#/.NET application development. Support enterprise document workflows.NTT DATA seeks an OnBase API Developer with eight-plus years of Hyland OnBase development and integration experience. You will develop APIs, configure workflows, and connect OnBase with ERP, CRM,...


  • Montreal, Montreal (administrative region), Canada Triunity Software, Inc. Full-time $70,000 - $100,000 Contract

    Triunity Software in Montreal, QC is seeking a Senior Java Developer to create impactful software solutions. This role is ideal for those with a knack for clean code and system architecture. Join a dynamic team where your contributions will shape innovative technology solutions. You will work on Java applications, ensuring quality and collaboration with...


  • Montreal, QC, Canada Leap Tools Full-time $110,000 - $160,000 Contract

    Build scalable backend services and APIs for Leap Tools’ business-critical ERP applications. Work remotely across technologies while owning complex technical initiatives.As a Senior Software Developer, you will develop reliable services, data models, and user-facing functionality for flooring retailers’ daily operations. You will collaborate with Product...


  • Montreal, QC, Canada Devconnectplatform Full-time $107,000 - $165,000 Contract

    Strengthen MaintainX API reliability remotely across Canada through TypeScript, contract testing, observability, and production ownership.As a Senior Software Developer, you will separate REST APIs from monolithic dependencies and protect stability as GraphQL evolves. You will tune performance using SLIs, SLOs, logs, traces, and metrics. The position...


  • Montreal, Quebec, Canada Qualis1 Inc. Full-time

    Location: Montreal, QC, (3 days onsite must) Duration: 12 Months Interview Mode: Video + Face 2 Face As a member of a Java development squad, you will: Design & develop innovative, reliable solutions using latest technology architecture Take ownership of the technology platforms Drive the modernization and agile agenda Collaborate and understand the needs...


  • Montreal, Quebec, Canada Vo2-Group Full-time

    VO2 GROUP, leader indépendant en conseil tech et numérique, recherche un Développeur Java pour réaliser des missions ponctuelles chez des clients. Vous développerez des back-ends solides, privilégierez un code propre et l’industrialisation jusqu’au déploiement, sur des projets variés et stimulants.Le candidat idéal possède 5 ans d’expérience...


  • Montreal, Quebec, Canada Modaxo Full-time

    Expretio seeks an experienced Backend Java Developer to join our Montreal team. You will contribute to the Appia backend, collaborating with Product and R&D, driving feature feasibility, and ensuring robust persistence and API layers (REST/GraphQL) using Spring Boot, PostgreSQL or MongoDB.You will also mentor teammates, influence architecture, and help...

  • Developer Senior Java

    2 hours ago


    Montreal, Quebec, Canada CA004 WEPOINT Canada Développement Full-time

    Company DescriptionWepoint is the architect of major transformations for businesses and public sector organizations. We support our clients from strategy through technological implementation, always striving to think beyond the obvious and to act within the framework of Economic, Social, Environmental, and Technological Responsibility (RESET). Our goal is to...

  • Senior Java Developer

    3 hours ago


    Montreal, Quebec, Canada Tecsys Inc. Full-time

    Having recognized the advantages of remote work, such as improved employee morale, increased productivity, and positive impacts on both employee wellbeing and the environment, we are proud to be a digital-first company. Our digital-first work environment, combined with our conveniently located offices and collaborative workspaces, provides our team with the...


  • Montreal, Quebec, Canada Blutic Full-time

    Blutic is looking for experienced Senior Java Backend Developer (Java + SQL) with 7 to 15 years of experience to join our high-performing engineering team. The ideal candidate will have strong expertise in Java, Spring Framework, SQL, Test-Driven Development (TDD), and multi-threaded application development. Experience in the investment banking or financial...


  • Montreal, Quebec, Canada Compunnel Inc. Full-time

    Engineer resilient microservices with Java, Spring Boot, and REST middleware for a secure, scalable settlement platform. Strengthen delivery through observability and DevOps.As a Senior Full Stack Java Developer, you will write clean, reusable code and build automated tests for distributed systems. The position emphasizes resiliency, scalability, security,...


  • Montreal, QC, Canada Motion Recruitment Full-time $96,000 - $165,000 Contract

    Grow your career with an innovative global bank in Mississauga, ON as a Senior Java DevOps Developer. Contract role with strong possibility of extension and conversion to perm. Will require working a remotely with potential to move to hybrid 3 days onsite upon conversion. Contract Duration: 6 months Required Skills & Experience Bachelor’s...

  • Senior Java Developer

    18 hours ago


    Montreal, QC, Canada Morgan Stanley Full-time $110,000 - $150,000 Contract

    We’re seeking someone to join our team as a Senior Java Developer to help transform Morgan Stanley’s client onboarding and regulatory platform by designing and delivering next-generation technology solutions that enhance regulatory compliance, operational efficiency, scalability, and user experience across a global business environment.In the Technology...