java backend software engineer jobs in Calgary

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1,691 java backend software engineer job listings in Canada. Find daily updated positions from leading job boards.


  • Calgary, AB, Canada Affirm Full-time

    Build backend AI infrastructure remotely with Affirm, using Python or Kotlin, distributed systems, and production LLM technologies across Canada. As a Senior Software Engineer on Affirm’s AI Platform team, you will build the governed path for AI systems. You will design gateway, runtime, and evaluation services, while supporting secure scale across...

  • Software Engineer

    13 hours ago


    Calgary, AB, Canada Purelend Technologies Inc. Full-time €90,000 - €120,000 Contract

    Location: Calgary, AB | Department: Engineering | Level: Intermediate to Senior | Start: Immediately About Purelend Purelend is an early-stage company operating at the frontier of FinTech and AI. Our small, tight-knit founding team is reimagining banking technology, starting with mortgage loans. We're fully automating the manual checks and underwriting...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada ClearGov Full-time

    ClearGov is looking for a Software Engineer to join our team. You'll be a key contributor in designing, developing, and scaling the next generation of our cloud-based applications. You’ll work across multiple product lines, integrating acquired technologies, improving performance, and driving technical excellence across our growing ecosystem. This role...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Synechron Full-time €80,000 - €85,000

    At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron's progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data,...


  • Calgary, AB, Canada Outlier Full-time

    Outlier is seeking a skilled OpenClaw Agent Builder for remote freelance work. Shape autonomous agents, build and evaluate multi-step workflows, and help train LLMs with real-world tasks. Weekly payments and flexible hours are available.Ideal candidates bring 2+ years in backend engineering or AI automation, with experience deploying production-grade...


  • Calgary, Alberta, Canada Deltek Full-time

    Deltek is looking for a Senior Software Engineer to join our established Replicon Core team, a tight-knit group of full-stack developers, architects, and rising talent building products that power project-based businesses around the globe.If you're a fast, curious, independent problem solver energized by a good challenge — the kind of person who dives into...


  • Calgary, AB, Canada Affirm Full-time

    Affirm is seeking a software engineer for the Streaming team in Ottawa. You will design and scale data infrastructure, build backend services, and collaborate across product, design and analytics to ship features that rely on Kafka, Flink and AWS.You will participate in ideation, articulate constraints, and help manage trade-offs with stakeholders while...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Halliburton Full-time

    Transform the energy industry as a Senior Cloud Java Engineer at Halliburton, focusing on backend solutions and cutting-edge seismic processing technology. Leverage your Java and AI expertise for impactful developments. This role requires a senior engineer to build and advance a seismic processing platform, emphasizing distributed systems and cloud-native...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Synechron Full-time

    Synechron is a leading global digital transformation consulting firm focused on financial services and technology organizations. Our specialties include end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering. Our 13 FinLabs serve as hubs where we innovate and develop cutting-edge business solutions. We're...


  • Calgary, AB, Canada Outlier Full-time

    Outlier is seeking OpenClaw Agent Builder contractors to help shape autonomous agents. This remote, freelance role offers up to $50 USD/hr with flexible, non-mandatory hours and weekly payments. Contributions support AI development and multi-step agent orchestration.Ideal candidates have 2+ years in backend engineering or AI automation, with a track record...


  • Calgary, AB, Canada Schneider Electric Full-time €115,000 - €162,000 Contract

    We’re looking for a hands‑on Software Engineer to help build and scale the next generation of AI‑powered solutions. In this role, you’ll combine deep Generative AI engineering with direct customer impact, developing production‑grade applications that support field services, technical operations and the continued evolution of the AiDASH SaaS...

  • Java Developer

    3 days ago


    Calgary, AB, Canada Synechron Full-time $100,000 - $110,000 Contract

    At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data,...


  • Calgary, Canada Alpine SG Full-time €160,000 - €180,000 Contract

    About Velora: check out our company website: joinvelora.com Our product websites: - keela.co - raisely.com - aplos.com We’re excited to share that Aplos, Raisely, and Keela have come together to form one unified company, Velora, with a shared mission: to help nonprofit organizations thrive. While we continue to offer the products you know and love,...


  • Calgary, AB, Canada GeologicAI Full-time €90,000 - €140,000 Contract

    Intermediate Software Engineer Department: Software Development Employment Type: Permanent - Full Time Location: Calgary Description The Platform Infrastructure team owns the infrastructure, tooling, and engineering practices that let us ship software safely and scale our systems reliably. This role sits at the intersection of software engineering and...


  • Calgary, Alberta, Canada Tacteris Full-time

    Location: Calgary, Alberta (hybrid, 90+% remote; candidates must be based in the Calgary area) Employment: Full-time Security Clearance: Secret (Tacteris sponsors your application) About Tacteris Tacteris builds Canadian defence software for military planning, command and decision support. Our flagship platform, Maestro, supports all-domain operational...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Affirm, Inc. Full-time

    Build backend AI infrastructure remotely with Affirm, using Python or Kotlin, distributed systems, and production LLM technologies across Canada. As a Senior Software Engineer on Affirm’s AI Platform team, you will build the governed path for AI systems. You will design gateway, runtime, and evaluation services, while supporting secure scale across...

  • Backend Engineer

    13 hours ago


    Calgary, AB, Canada Outlier Full-time

    Earn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...

  • Software Engineer

    2 days ago


    Calgary, AB, Canada Cloudbeds Full-time

    At Cloudbeds, we're not just building software, we’re transforming hospitality. Our intelligently designed platform powers properties across 150 countries, processing billions in bookings annually. From independent properties to hotel groups, we help hoteliers transform operations and uplevel their commercial strategy through a unified platform that...

  • Software Engineer II

    2 hours ago


    Calgary, Alberta, Canada Affirm, Inc. Full-time

    At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.Affirm is building the next generation of customer identity and authentication. This role is a hands‑on, mid‑engineering position...


  • Calgary, AB, Calgary Census Division, AB; Alberta, Canada Affirm Full-time

    Build backend AI infrastructure remotely with Affirm, using Python or Kotlin, distributed systems, and production LLM technologies across Canada. As a Senior Software Engineer on Affirm’s AI Platform team, you will build the governed path for AI systems. You will design gateway, runtime, and evaluation services, while supporting secure scale across...