Jobs for senior java backend developer at Ottawa

1,632 senior java backend developer job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, Ontario, Canada CGI Njoyn Full-time

    We are an organization comprised of industry thought leaders who are passionate about health data and want to make a difference in the health care field. We are an independent, not-for-profit organization and together with our partners we provide essential information on Canada's health systems, enabling decisions that lead to healthier Canadians. As a...

  • Java Backend Developer Premium

    19 hours ago


    Ottawa, Ontario, Canada Two95 International Remote Full-time

    DescriptionTitle – . Java Back End Developer (3 Openings Sr/Mid/Jr) Position – Fulltime With our client Location – 100% Remote Work Salary - $Open (Best Possible)-------------------------------------------------------------------------------------------------RequirementsPosition 1: Sr. Java Back End Developer Position 2: Mid. Java Back End Developer...


  • Ottawa, Ontario, Canada Global Talent Alliance, Canada Full-time

    G-TAC's employer partner is looking for an experienced ­­­Backend Software Engineer to join their North American development team and take part in building their next generation of cloud security products. You will work with a team of back-end and full-stack engineers and take part in building innovative and scalable applications in a cloud...

  • Senior Java developer

    19 hours ago


    Ottawa, ON, Canada Talent Transformation Group Inc Full-time $120,000 - $160,000 Contract

    We are seeking a senior Java developer to join our team in a full-time employment capacity. This role requires expertise in Java-based systems, along with experience in audio codec integration, VOIP/ROIP protocols, and mission-critical communication systems. The successful candidate will play a key role in the development and enhancement of applications that...

  • Senior Java Developer Premium

    19 hours ago


    Ottawa, Ontario, Canada gravity9 Remote Full-time

    Job descriptiongravity9 is a boutique IT consulting company headquartered in the UK with offices in the US, Canada, Poland, and Colombia. Our team has deep experience in engineering, experience design and product management. We enjoy a challenge and pride ourselves on working with our clients on their most complex problems, finding elegant and flexible...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Atimi Software Full-time

    Atimi is seeking an experienced backend software developer to fill a position in Canada. Please note this is a fully remote position with EST working hours but we're open to candidates from all provinces. Atimi works with some of the leading companies in North America, providing them with high-quality software solutions that integrate both mobile and web...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Talent Transformation Group Inc Full-time

    We are seeking a senior Java developer to join our team in a full-time employment capacity. This role requires expertise in Java-based systems, along with experience in audio codec integration, VOIP/ROIP protocols, and mission-critical communication systems. The successful candidate will play a key role in the development and enhancement of applications...


  • Ottawa, Ontario, Canada Atimi Software Full-time

    Atimi is seeking an experienced backend software developer to fill a position in Canada. Please note this is a fully remote position with EST working hours but we're open to candidates from all provinces. Atimi works with some of the leading companies in North America, providing them with high-quality software solutions that integrate both mobile and web...


  • Ottawa, Canada Recrute Action Full-time €83,000 - €114,000 Contract

    Recrute Action in Toronto, Canada, is seeking a Backend Integration Developer (Java/Spring Boot) to drive API development and integration for an insurance digital transformation. You will build RESTful services, map data across source systems, and deliver backend solutions within an Agile team. Hybrid work with 3 days in the office and 37.50 hours per...


  • Ottawa, Ontario, Canada Worky Full-time

    Ready for a challenge?Then Just Eat Takeaway.com might be the place for you. We're a leading global online delivery platform, and our vision is to empower everyday convenience.Whether it's a Friday-night feast, a post-gym poke bowl, or grabbing some groceries, our tech platform connects tens of millions of customers with hundreds of thousands of restaurant,...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Worky Full-time €108,000 - €135,000 Temporary

    Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We’re a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym poke bowl, or grabbing some groceries, our tech platform connects tens of millions of customers with hundreds of thousands of...


  • Ottawa, Canada Recrute Action Full-time €83,000 - €114,000 Contract

    Toronto, Waterloo, Canada | Posted on 08/17/2026 Backend Integration Developer (Java/Spring Boot) Contribute to a strategic digital transformation initiative within the insurance sector focused on enhancing application lifecycle tracking and electronic document management. This opportunity offers the chance to work on enterprise integrations, API...


  • Ottawa, Ontario, Canada Sangoma Full-time

    Built it. Scale it. Own it.Sangoma is excited to announce an opening for a Senior Backend Developer to join our talented team. As a recognized leader in business communications solutions, we strive to provide innovative and effective services that empower businesses to thrive. In this role, you will be responsible for designing and implementing robust...


  • Ottawa, Ontario, Canada Bank of Canada Full-time

    Elevate your career as a Senior Java Developer with the Bank of Canada. Engage in software development, enhance a trading application, and support critical financial systems in a hybrid model. As a Senior Developer, you will play a central role at the Bank of Canada, ensuring the robustness of their Findur trading application. This senior role demands deep...


  • Ottawa, Canada Bilinguallink Full-time €110,000 - €140,000 Contract

    Java + Spark Developer (Senior) – 1-Year Term Location: GTA preferred; Mississauga is the head office. Hybrid — predominantly remote, with occasional attendance at the office (approximately once per month as required). Fully remote is an option for candidates located outside the GTA. Employment Type 1-Year Fixed-Term (Full-Time Salary + Benefits +...

  • Senior Java Developer

    19 hours ago


    Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Elasticsearch B.V. Full-time €128,300 - €203,000 Temporary

    Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the...


  • Ottawa, Ontario, Canada Coinbase Full-time

    OverviewSenior Software Engineer, Backend (Developer - Foundations)3 days ago Be among the first 25 applicantsReady to be pushed beyond what you think you're capable of?At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform...

  • Senior Java Developer

    19 hours ago


    Ottawa, Ontario, Canada Elasticsearch B.V. Full-time

    Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the...


  • ottawa, on, Canada Luxoft Full-time

    Candidate will be responsible for building out the firm's strategic reference data platforms to serve businesses within client company. The successful applicant will take ownership of key projects and components and will be responsible for all phases of SDLC including analysis and design, development, testing and deployment. As a developer, the candidate...


  • Ottawa, ON, Canada Jobgether Full-time

    Drive innovation as a Remote Senior Backend Developer specializing in .NET for digital banking applications. This full-time role is available exclusively for candidates based in Canada. Our partner company seeks a Senior Backend Developer to craft reliable and scalable digital banking solutions. You will engage in designing enterprise APIs while working...