java backend engineer jobs in Calgary

Design and develop scalable backend systems for blockchain trading bots with MongoDB, Redis, and Web3 integration. 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, merging fintech,...

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...

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...

We are looking for a skilled Java Backend Developer with strong fundamentals in core Java concepts and experience building scalable, high-performance applications. The ideal candidate should be comfortable working with distributed systems, handling concurrency, and optimizing data processing workflows. Key Responsibilities Design, develop, and maintain...

Advance your technical skills with StackAdapt as a Software Engineer focused on backend development. This position allows you to build and optimize scalable micro-services in a collaborative environment. StackAdapt invites applications for a Backend Software Engineer role requiring over two years of relevant experience. You will focus on creating...

The Streaming team at Affirm is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validationWe leverage existing open source technologies like Kafka, Flink, Schema registry and also build our own as neededAs a member of our team you would spend time identifying and...

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...

We are 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,...

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...

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...

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...

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...

Senior Software Designer / Developer (Cloud Migration and Modernization) This role is responsible for designing, developing, and maintaining enterprise‑grade applications that support core business functions. This position plays a key role in cloud migration initiatives, including assessing applications, identifying gaps, and driving cloud‑ready,...

The Capacity Modeling team ensures Aff**irm can safely handle forecasted traffic—especially during peak sales events—by translating demand forecasts into concrete, testable capacity plans. You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and...

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...

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 record...

Outlier is seeking skilled contributors to build OpenClaw-like autonomous agent components. Remote freelance role with pay up to $50 USD/hour. You can set your own schedule, typically 5–10 hours/week, potentially up to 40 hours. Payments are made weekly and via multiple payment methods.Ideal candidates have 2+ years in backend engineering or AI automation...

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...