java backend jobs in Ottawa

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


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Accenture Full-time €100,300 - €216,700 Temporary

    Role Description You build the systems that actually make AI work in enterprise environments, not demos, not prototypes that stall after a pilot, but production agentic architectures running inside real client organizations. The difference between an AI Developer and what we are looking for is straightforward: you have shipped a multi-agent system in...

  • Software Engineers

    4 days ago


    Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Abroad Pathway Immigration Consultant Full-time

    Job description Build. Code. Grow. Your Next Software Engineering Opportunity Starts Here! Were hiring Software Engineers & Software Developers who are passionate about technology, problem-solving, and building real-world software solutions. Whether your expertise is in Python, Java, JavaScript, React, Node.js, Backend, Frontend, Full Stack, APIs,...

  • Software Developer

    4 days ago


    Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Jobgether Full-time €75,000 - €110,000 Temporary

    This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Developer (Content Integration & Data Pipelines) based in Canada. We are seeking a skilled Software Developer to build and scale production-grade data pipelines that collect, process, enrich, and deliver online news and...


  • Ottawa, Ontario, Canada Kumaran Systems Full-time

    About UsKumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building...


  • Ottawa, ON, Canada Agility Remote Full-time $92,000 - $106,000 Contract

    Agility PR Solutions is a global leader in media intelligence and PR technology. Founded in 2003, we help communications teams around the world drive awareness, make smarter decisions, and protect their reputation when it matters most. Our enterprise-grade platform unifies media relations, media monitoring, social listening, AI visibility, and media...

  • Software Engineer

    4 days ago


    Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Great Value Hiring Full-time €45 - €75 Temporary

    SWE Coding Benchmarks & RL Environments [$45-75/hr] The apps are TypeScript (React, Node, SQLite, Playwright). Use AI tools as much as you like to write code and tests. Role Responsibilities Writing realistic engineering tasks on full-stack web apps: the kind of problem a real team has in its backlog, on codebases that grow as each task builds on the last...


  • Ottawa, ON, Canada Cognizant Full-time

    We are seeking an experienced Automation Test Lead with strong expertise in designing, developing, and maintaining automated test frameworks for web applications. The ideal candidate should have hands‑on experience with Playwright and other automation testing tools, along with a solid understanding of software testing methodologies, test planning, and...


  • Ottawa, ON, Canada Syntronic Full-time $80,000 - $120,000 Contract

    Are you ready to be part of a leading global engineering design house specializing in the design and development of embedded software/hardware, electronics, and electro-mechanics?What we’re looking for• Highly motivated and dynamic professionals• Motivated designers with broad backgrounds and service mindset to be a consultant• Professionals with...


  • Ottawa, ON, Canada Momentous Full-time $90,000 - $120,000 Contract

    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, Canada Manulife/John Hancock Full-time €113,000 - €210,000 Contract

    Position Responsibilities - Set the technical direction for the design, development, testing, delivery, and continuous improvement of full-stack business applications. - Lead the design of user interfaces, databases, APIs, and server‑side logic, ensuring coherent end‑to‑end architecture. - Establish disciplined coding practices, design patterns,...

  • Software Engineers

    4 days ago


    Ottawa, Ontario, Canada Abroad Pathway Immigration Consultant Full-time

    Job descriptionBuild. Code. Grow. Your Next Software Engineering Opportunity Starts Here!Were hiring Software Engineers & Software Developers who are passionate about technology, problem-solving, and building real-world software solutions.Whether your expertise is in Python, Java, JavaScript, React, Node.js, Backend, Frontend, Full Stack, APIs, Databases, or...


  • Ottawa, Canada Qorsa Corp Full-time €120,000 - €180,000 Contract

    About Qorsa Qorsa is a Canadian post-quantum cryptography and cybersecurity company building CasQade — a crypto-agile security platform protecting sovereign government, defence, financial, and critical-infrastructure networks against current and emerging cryptographic threats. We are headquartered in Waterloo, Ontario, with a European subsidiary in The...


  • Ottawa, Canada Manulife Full-time €113,000 - €163,000 Contract

    As a Senior Full Stack Engineer, you will help shape solutions, advance strategic initiatives, strengthen our technology footprint and champion strong engineering practices within your team. You will deliver secure, reliable and user-centered solutions that support business objectives. You will translate technical and business requirements into incremental...


  • Ottawa, ON, Canada Warner Bros. Discovery Full-time €110,000 - €176,000 Contract

    Welcome to Warner Bros. Discovery… the stuff dreams are made of. When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the...


  • Ottawa, ON, Canada Solace Corporation Full-time €216,000 - €251,000 Contract

    Enterprise AI is moving from pilots to production, and the constraint is no longer the model —it'sthe 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 foundationevery serious AI system runs on. Solace istheleadingplatform for the enterprise AI era. Established...

  • AI Native Developer

    2 hours ago


    Ottawa, Ontario, Canada Accenture Full-time

    Role DescriptionYou build the systems that actually make AI work in enterprise environments, not demos, not prototypes that stall after a pilot, but production agentic architectures running inside real client organizations. The difference between an AI Developer and what we are looking for is straightforward: you have shipped a multi-agent system in...


  • Ottawa, Ontario, Canada CIRA Full-time

    Join the Cyber-DNS team at CIRA and play a key role in advancing Canada’s cybersecurity and DNS infrastructure! Our Cyber-DNS team is dedicated to protecting Canadians online by delivering cutting‑edge solutions. Who You Are You're a passionate software developer who wants your work to make a difference. You have a strong background in cybersecurity and...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Solace Corporation Full-time €155,000 - €180,000 Temporary

    Enterprise AI is moving from pilots to production, and the constraint is no longer the model —it'sthe 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 foundationevery serious AI system runs on. Solace istheleadingplatform for the enterprise AI era. Established...

  • Software Engineer

    4 days ago


    Ottawa, Ontario, Canada Great Value Hiring Full-time

    SWE Coding Benchmarks & RL Environments [$45-75/hr]The apps are TypeScript (React, Node, SQLite, Playwright). Use AI tools as much as you like to write code and tests.Role ResponsibilitiesWriting realistic engineering tasks on full-stack web apps: the kind of problem a real team has in its backlog, on codebases that grow as each task builds on the...


  • Ottawa, ON, Canada Agility PR Solutions Remote Full-time $75,000 - $110,000 Contract

    Intermediate Frontend Software Developer Company Overview Agility PR Solutions provides today’s communicators with powerful and intuitiveAI poweredmedia outreach, monitoring, and measurement solutions. For almost twenty years, Agility has helped clients from across industries and continents discover relevant journalists and influencers, make meaningful...