Jobs for java backend at Ottawa

498 java backend job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, Ontario, Canada Confluent Inc Full-time

    Confluent Inc in Canada seeks a Senior Software Engineer—Streaming AI to design and operate large-scale real-time AI infrastructure on streaming data. You'll own in-place, at-scale serving layers and work across teams to deliver reliable, cost-efficient AI capabilities.Bring 2–5 years of backend experience, strong fundamentals in distributed systems and...


  • Ottawa, Ontario, Canada Momentous Full-time

    OverviewReports to: Director, TechnologyAbout Rebel: Rebel has been helping people claim their corner of the internet since 1999. We’re on the cusp of a major rebuild; modern stack, cleaner UX, security by default and we’re honest about the rough edges we need to fix. If you’d rather ship than sit in meetings; if untangling gnarly systems, simplifying...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Solace Full-time €135,000 - €165,000 Temporary

    Solace helps companies connect and integrate all of their assets through the power of event-driven architecture. Our technology makes it easy to unlock data silos and capture events occurring across large enterprises; stream information about those events everywhere it needs to be in real-time; and give the apps, AI agents and people who receive it the...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Edge Signal Full-time €135,000 - €165,000 Temporary

    Solace helps companies connect and integrate all of their assets through the power of event‑driven architecture. Our technology makes it easy to unlock data silos and capture events occurring across large enterprises; stream information about those events everywhere it needs to be in real‑time; and give the apps, AI agents and people who receive it the...

  • Senior Software Developer Premium

    15 hours ago


    Ottawa, Ontario, Canada Solace Corporation Full-time $135,000 - $165,000 Contract

    Enterprise AI is moving from pilots to production, and the constraint is no longer the model — it's the data. Agents are only as good as what they can sense, trust, and act on in the moment, and real-time, event-driven data is becoming the foundation every serious AI system runs on.   Solace is the leading platform for the enterprise AI era....


  • Ottawa, Canada Anaplan Full-time

    At Anaplan, we are a team of innovators focused on optimizing business decision-making through our leading AI-infused scenario planning and analysis platform so our customers can outpace their competition and the market. What unites Anaplanners across teams and geographies is our collective commitment to our customers’ success and to our Winning...

  • Software Engineer Premium

    4 days ago


    Ottawa, Ontario, Canada Alignerr Remote Full-time US$20 - US$100 Permanent

    About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in Ottawa to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level...


  • Ottawa, Ontario, Canada Mission.dev Full-time

    Region: Canada, United States of AmericaThis large-scale retail and home services enterprise operates a portfolio of well-known consumer brands across North America. The organization integrates physical retail locations with expansive digital platforms to provide home merchandise, appliance repair, and maintenance services. It focuses on leveraging...


  • Ottawa, Canada Manulife Financial Full-time €86,000 - €136,000 Contract

    Join our Manulife Bank technology team and help shape the future of digital banking quality! At Manulife Bank, we're committed to delivering secure, reliable, and exceptional banking experiences that help Canadians achieve their financial goals. As part of our growing Technology team, you'll play a key role in ensuring the quality, performance, reliability,...


  • Ottawa, Canada Socket.dev Full-time €150,000 - €153,000 Contract

    Minimum qualifications: - Bachelor’s degree or equivalent practical experience. - 2 years of experience with cloud development, distributed computing environments, or developing large-scale backend infrastructure. - Experience programming in Java, C++, Python, or Go. Preferred qualifications: - Experience with Docker and containerization. - Experience...


  • Ottawa, Ontario, Canada Accenture Full-time

    Accenture's Cloud First - Software Development team seeks a leader experienced in delivering large‑scale AI‑powered web applications and guiding high‑performing development teams. The role blends hands‑on engineering excellence with strategic leadership to help clients adopt cutting‑edge technology. You Are AI‑Powered Application Lead with deep...


  • Ottawa, ON, Canada Akamai Technologies Full-time

    Join Akamai's cutting-edge team as a Software Developer II, focusing on innovative software solutions for exceptional media delivery. Collaborate with top engineers to enhance system performance. This position in the Edge Platform division involves developing high-performing software while managing upgrades across a global server network. You will be...

  • Software Engineer

    5 days ago


    Ottawa, Ontario, Canada General Dynamics Mission Systems–Canada Full-time

    Build bold. Deliver impact. Win together.At General Dynamics Mission Systems–Canada, we’re not just engineering technology — we’re shaping the future of defence and security. Our teams design and deliver advanced, mission‑critical solutions that enhance national security, strengthen communities, and protect the people we serve.If you’re looking...


  • Ottawa, ON, Canada RELQ TECHNOLOGIES Full-time

    Remote – Canada Client Domain – Product-based company - HRMS (Human Resource Management System) applications focused on SaaS-based HRMS solutions for the public sector About The Role We are seeking a Senior Manual QA Engineer with expertise in manual testing and SQL. The ideal candidate has experience working in complex, large-scale enterprise...

  • React Native Web

    5 days ago


    Ottawa, ON, Canada Aarorn Technologies Inc Full-time

    Job Title: React Native Web & Mobile Developer Location: Canada (Remote) Employment Type: Contract Pay Rate: CAD$45/HR INC Job Description Seeking a Lead React Native Developer to architect, build, and deliver mobile (iOS/Android) and web applications for healthcare patient- and clinician-facing platforms. This role combines deep React Native expertise with...


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

    Overview OpenText is a global leader in information management, where innovation, creativity, and collaboration are the key components of our corporate culture. As a member of our team, you will have the opportunity to partner with highly regarded companies, tackle complex issues, and contribute to projects that shape the future of digital transformation. ...


  • Ottawa, ON, Canada Jobtailor Full-time €120,000 - €180,000 Contract

    - Lead the design and development of extended detection and response (XDR) and DNS-based cybersecurity products and backend services using modern programming languages and frameworks - Turn security and business requirements into secure, scalable software solutions - Implement secure coding practices aligned with industry standards such as the Open Worldwide...


  • Ottawa, ON, Canada Socket.dev Full-time €82,000 - €148,000 Contract

    Would you like the opportunity to solve technical challenges? Are you excited about working with cutting-edge technologies? Join our team Our Edge Platform division designs, develops, and operates technology that helps our customers improve their Web and Media content delivery. Leveraging our deployment of servers around the world, we can uniquely solve...

  • Principal Software Developer Premium

    15 hours ago


    Ottawa, Ontario, Canada Solace Corporation Full-time $155,000 - $180,000 Contract

    Enterprise AI is moving from pilots to production, and the constraint is no longer the model — it's the data. Agents are only as good as what they can sense, trust, and act on in the moment, and real-time, event-driven data is becoming the foundation every serious AI system runs on.   Solace is the leading platform for the enterprise AI era....


  • Ottawa, Ontario, Canada IBM Full-time

    Introduction At IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by...