backend engineer jobs in Calgary

About Plooto Plooto is a Canada-born fintech company on a mission to give small and mid-sized businesses the financial power to succeed on their own terms. We make payments secure, accurate, and stress-free so businesses and their accountants can spend less time in the books, confidently manage cash flow, and make smarter decisions every day. We’re a team...

Hello, we’re Instrumentl. Nonprofits do some of the most important work in the world, and most of them are still managing grants in spreadsheets. We're fixing that. Instrumentl is a profitable, hypergrowth, YC-backed SaaS platform building the operating system for grant-funded organizations. More than 5,500 nonprofits use Instrumentl to discover, track,...

Earn Up To $50/hr as an OpenClaw Agent Builder Shape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments. Trusted by 10,000+ software engineers worldwide MIN EXP REQUIRED 2+ years PAY RATE Up to $50 USD/hr Earn Up To $50 USD/hr— Plus Additional Incentives Rates vary based on expertise and project...

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...

Drive impactful backend solutions as a Senior Backend Engineer with Affim in Canada. Utilize your expertise in Python or Kotlin to innovate and enhance consumer experiences. At Affim, we are constructing an advanced advertising platform and a top-tier shopping destination. As a Senior Backend Engineer, you'll set the technical strategy for your team while...

Build real-time backend systems with Java and Kubernetes at Just Eat Takeaway.com, working remotely from Calgary, Toronto, or Winnipeg. Own services powering courier logistics. As a Senior Backend Engineer in the Logistics Courier Pay Network team, you will design, deploy, and operate distributed services. Your work spans data modelling, event flows,...

Build real-time backend systems with Java and Kubernetes at Just Eat Takeaway.com, working remotely from Calgary, Toronto, or Winnipeg. Own services powering courier logistics.As a Senior Backend Engineer in the Logistics Courier Pay Network team, you will design, deploy, and operate distributed services. Your work spans data modelling, event flows,...

Drive impactful backend solutions as a Senior Backend Engineer with Affim in Canada. Utilize your expertise in Python or Kotlin to innovate and enhance consumer experiences. At Affim, we are constructing an advanced advertising platform and a top-tier shopping destination. As a Senior Backend Engineer, you'll set the technical strategy for your team while...

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...

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 consumer experiences. Search is one of the highest impact surfaces, and we are building a new team that will own not just the recommendations and search experiences, but also explore...

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 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...

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...

At Affirms 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 Ledger Engineering team enables rapid financial product innovation by providing an audit-grade ledger platform that ties ambitious company growth to a highly regulated industry's...

Affirm, Inc. is seeking a senior engineer to own workload safety standards for its EKS fleet and drive end-to-end enforcement across the organization. You will lead design reviews, mentor engineers, and advance automation and guardrails to keep workloads compliant from day one. The role emphasizes deep Kubernetes expertise, Go or Python proficiency, and a...

Affirm, Inc. is seeking an experienced Capacity Modeling Engineer to own quarterly goals for the team and lead engineers through ambiguity while delivering capacity plans for peak sales events. You will translate demand forecasts into resource settings across regions and environments. You will collaborate with product, design and analytics, establish...

Affirm, Inc. is seeking a senior backend engineer to design and guide the next era of scalable systems from a Canada-based remote role. You will drive architecture decisions and work with cross-functional teams to ensure reliability in a financial ledgering context. You will lead architecture decisions, collaborate with product, design and analytics to...

Innvenza Solutions in Calgary, Alberta, is seeking a senior backend engineer to own the backend systems that define how AI interacts with production environments. You will write Node.js and TypeScript, design APIs, and work on MCP-based tools and agent workflows, shaping the boundaries between AI and real systems. You will join a small senior team,...

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...

Affirm, Inc. is seeking an experienced Capacity Modeling Engineer to own quarterly goals for the team and lead engineers through ambiguity while delivering capacity plans for peak sales events. You will translate demand forecasts into resource settings across regions and environments. You will collaborate with product, design and analytics, establish...