Jobs for backend engineer ruby at Calgary

The Platform team creates the technology that enables Spotify to learn quickly and scale easily, enabling rapid growth in our users and our business around the globe. Spanning many disciplines, we work to make the business work; creating the infrastructure, tooling, frameworks, and capabilities needed to welcome a billion customers. Starfleet sits at the...

GitLab is seeking a Senior Backend Engineer for the Duo Chat team to build core AI features behind GitLab Duo Chat. You will work on flow components, agentic flows, and integration with LangGraph within the Duo Workflow Service, interfacing with the Rails monolith. You’ll own backend features end-to-end, integrate generative AI models, and design scalable...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Engineering team builds systems that power affirm’s mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the...

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,...

Affirm is a remote-first company reinventing credit with transparent pay and no hidden fees. The Capacity Modeling team translates demand forecasts into capacity plans, mapping traffic to resources and sizing changes across regions. You will set technical strategy for your team on a year-long horizon, collaborate with product, design and analytics, and own...

A leading technology company is seeking an experienced Backend Developer in Calgary, Alberta. Join a diverse team that offers world-class training and benefits. You will design and implement scalable backend services and manage APIs in a cloud-native environment using technologies like Java and Kubernetes. The ideal candidate has over 10 years in Java...

RBC Borealis in Canada is seeking a seasoned Software Developer to architect and build secure backend services for the metadata management platform. You’ll work with Python, MongoDB, and microservices to deliver scalable solutions that meet compliance and auditability standards. Join a high-performance team focused on data governance, cloud platforms, and...

Affirm is hiring for a senior backend-focused engineer to own quarterly goals for a high‑scale team and deliver reliable systems. You’ll work with product, design, and analytics to balance risks and trade-offs while maintaining quality and ownership across the codebase. You have 4+ years designing and launching backend services in Python or Kotlin,...

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,...

Affirm is a remote-first company reinventing credit with transparent pay and no hidden fees. The Capacity Modeling team translates demand forecasts into capacity plans, mapping traffic to resources and sizing changes across regions.You will set technical strategy for your team on a year-long horizon, collaborate with product, design and analytics, and own...

BigGeo is seeking a Senior Platform Engineer in Calgary to build high-performance backend systems using Go, Rust, or C++. You will own critical platform services, drive observability, and optimize performance while collaborating with product teams.You will mentor juniors, contribute to distributed systems, and advance CI/CD and infrastructure-as-code...

A leading Canadian business advisory firm is seeking a Senior Back-End Developer to join their innovative development team in Calgary. The successful candidate will design scalable back-end services using .NET and Azure, lead architecture for new initiatives, and collaborate with cross-functional teams. Strong emphasis on building microservices and...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.As we build Affirm's 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...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm is building the next generation of customer identity and authentication. This role is a hands‑on engineering position inside Information Security, focused on designing and...

Be instrumental in a new SaaS venture as an Experienced Backend Engineer. Your AI-first approach and proficiency in .NET/C# will drive the foundation of a cutting-edge application. This position is designed for a motivated senior engineer eager to influence the technical direction of a revolutionary software platform. You will collaborate closely with...

RBC Borealis is seeking a senior backend engineer to design, build, and maintain secure backend services for the metadata management platform. You will work on scalable data models, RESTful APIs, and integration with diverse data sources, ensuring compliance and auditability across enterprise data platforms. You'll contribute to the Lumina Data Management...

BigGeo is seeking a Senior Platform Engineer in Calgary to build high-performance backend systems using Go, Rust, or C++. You will own critical platform services, drive observability, and optimize performance while collaborating with product teams. You will mentor juniors, contribute to distributed systems, and advance CI/CD and infrastructure-as-code...

RBC Borealis in Canada is seeking a seasoned Software Developer to architect and build secure backend services for the metadata management platform. You’ll work with Python, MongoDB, and microservices to deliver scalable solutions that meet compliance and auditability standards. Join a high-performance team focused on data governance, cloud platforms, and...

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...

TRAILD: Who are we?  TRAILD is a dynamic, fast-growing SaaS company that streamlines, automates and protects Accounts Payable.   Just as your bank provides always on risk protection for your credit card, TRAILD provides a similar level of security to help businesses protect their B2B payments from fraud, errors and mistakes.   Our specialised Accounts...