java backend engineer jobs in Calgary

Job TitleJava Full Stack Engineer LocationCanada Remote Employment TypeContractual About The RoleWe are looking for a Java Full Stack Engineer to join our distributed agile team and contribute to the development of a multi-tenant cloud SaaS solution in the Human Resources domain. You will work on modernizing and building new features for modules such as...

Apply backend engineering and modular software skills to evaluate AI agents remotely through flexible freelance work with Outlier.Outlier collaborates with leading AI organizations to train large language models. This freelance opportunity suits engineers with at least two years of backend, AI automation, or complex systems integration experience....

At Aff, 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. The Capacity Modeling team ensures Aff**irm can safely handle forecasted traffic—especially during peak sales events—by translating demand forecasts into concrete, testable...

OverviewTucows is a remote-first backend engineering role for Canada, building open‑internet products across domains, Ting, and Wavelo.ResponsibilitiesDesign and develop secure, scalable, reliable, and efficient backend services using modern frameworks and tools.Collaborate with frontend developers to define clear and consistent API endpoints,...

Join to apply for the Software Engineer, Backend role at Clipboard Get AI-powered advice on this job and more exclusive features. We exist to lift as many people up the socioeconomic ladder as possible. We dramatically improve lives by letting professionals turn extra time and ambition into career growth and financial opportunity. We achieve this with our...

$60 - $65 Grow your career with an innovative global bank in Mississauga, ON as aSenior Forward Deployed Java Engineer in Test (SDET) / Quality Engineering Architect to define, champion, and drive the global quality engineering strategy across multi-tier, high-throughput trading platforms. Contract role with strong possibility of extension and conversion to...

At Affrim, 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. The Observability team builds the platform every Affrim engineer relies on to understand the behavior and performance of our systems. Our platform ingests 200+ TB/day of metrics,...

Build autonomous-agent evaluations remotely with OpenClaw, backend engineering, and AI automation experience on a flexible freelance schedule.Outlier is seeking contributors to help train large language models as proactive, multi-step agents. The work focuses on architectural workflows, live system interactions, and detailed technical feedback. Applicants...

Overview StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI‑powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. What...

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...

Build enterprise-scale routing engines with Java and Spring Boot at Miratech, developing real-time interaction distribution for contact center operations. As a Senior Routing Engine Developer, you will create scalable backend services for voice and digital interactions. You will apply distributed systems, microservices, event-driven architecture, and...

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...

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,...

Build secure identity services at Affirm using Python or Kotlin while working remotely from eligible Canadian provinces. Authentication is central to this customer-facing engineering work. As a mid-engineering Software Engineer II in Information Security, you will contribute to customer identity and access management capabilities. You will develop backend...

Join Instrumentl as a Senior Backend Engineer, leading the charge in AI development for nonprofit organizations. Your expertise will directly impact tools that help secure over $1 billion in funding. In this role, you'll be responsible for shipping reliable AI features from inception to deployment. Working with a small but dedicated team, you will...

A leading entertainment technology company in Calgary, Alberta is seeking an Intermediate Software Developer to craft innovative software products for hospitality applications. The role involves collaborating with diverse teams, implementing Java Enterprise applications, and utilizing secure backend APIs. Strong proficiency in Java technologies, SQL, and...

Build enterprise-scale routing engines with Java and Spring Boot at Miratech, developing real-time interaction distribution for contact center operations. As a Senior Routing Engine Developer, you will create scalable backend services for voice and digital interactions. You will apply distributed systems, microservices, event-driven architecture, and...

At Affirms 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.As we build Affirms advertising platform and evolve Marketplace into a best in class shopping destination, the ability to route and discover is one of the greatest levers for...

Build secure identity services at Affirm using Python or Kotlin while working remotely from eligible Canadian provinces. Authentication is central to this customer-facing engineering work. As a mid-engineering Software Engineer II in Information Security, you will contribute to customer identity and access management capabilities. You will develop backend...

At Affi... 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. Affirms engineering team is building a large-scale, fault‑tolerant, and global infrastructure that is shared across multiple financial products, merchants, and vendors. Ensuring that our...