java backend software engineer jobs in Calgary

Design and develop scalable backend systems for blockchain trading bots with MongoDB, Redis, and Web3 integration. 01 About Us At Transactix, we're on a mission to build Canada's next-generation payments infrastructure through CADX™ and the Open Value Network™. We believe in creating an interoperable and transparent financial rails for Canadians,...

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....

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...

Help define the future of cloud services with ClearGov as a Software Engineer. This role combines full-stack development with innovative AI practices to enhance our product offerings. As part of the ClearGov team, you'll tackle system challenges and deliver scalable software solutions. Your expertise in both frontend and backend technologies will be...

Design, implement, and maintain software for nuclear systems, ensuring compliance with safety and regulatory standards.Develop software for reactor control, monitoring systems, data acquisition, simulation, and predictive analytics.Collaborate with multidisciplinary teams including nuclear engineers, electrical engineers, and safety specialists.Apply best...

One of the world's leading providers of products and services to the global energy industry. With a presence in more than 70 countries and 130 nationalities represented in our workforce, we are one of the world's most diverse companies. This allows us to offer multiple career paths, best-in-class training, and world-class benefits. Our product provides E&P...

Help define the future of cloud services with ClearGov as a Software Engineer. This role combines full-stack development with innovative AI practices to enhance our product offerings. As part of the ClearGov team, you'll tackle system challenges and deliver scalable software solutions. Your expertise in both frontend and backend technologies will be crucial...

Help define the future of cloud services with ClearGov as a Software Engineer. This role combines full-stack development with innovative AI practices to enhance our product offerings. As part of the ClearGov team, you'll tackle system challenges and deliver scalable software solutions. Your expertise in both frontend and backend technologies will be crucial...

$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...

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...

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...

Advance your career as a Java Software Developer at Collabera, where you will focus on modern software design and development practices. Collaborate with a talented engineering team to deliver effective solutions. This Software Developer I position seeks candidates with a strong foundation in Java, as well as familiarity with HTML5 and CSS3. Your role is...

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 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,...

We’re seeking someone to join our team as a Software Developer in Wealth Management Technology to work on our mobile services platform. In the Technology division, we leverage innovation to build the connections and capabilities that power our firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. This is a...

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...

Become a part of Genpact's AI revolution as a Java Software Engineer in Calgary, AB, and contribute to groundbreaking technology solutions. Embrace the chance to innovate daily. As a key team member in this full-time role, you will be responsible for coding, testing, and delivering exceptional Java applications. Your expertise in Java Development, Azure,...

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...

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...

Senior QA Automation Analyst – API & Integration Testing Our client, a major Canadian airline, is looking for a Senior QA Automation Engineer – API & Integration Testing to join their digital team. In this role, you will be responsible for validating the end‑to‑end Seamless Check‑In experience, ensuring the highest level of quality across API...