backend engineer ruby

Upsun seeks a Backend Software Engineer to enhance our billing systems. Focus on backend service development in Go for complex billing integrations and ensure accuracy in customer invoicing. In this role, you will build and maintain the backend services for our billing platform. Your expertise will drive projects that handle revenue across multiple...

Cohere is looking for a Backend Engineer to specialize in optimizing model inference systems. In this remote-first role, you will create low-latency serving infrastructure for advanced backend services. Candidates for this position must have over five years of backend engineering experience and strong programming skills in Go, Rust, or C++. You'll work on...

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 innovation as a Backend Software Engineer at Affirm in this remote position. Design and enhance the Checkout Platform to elevate customer experience with financial products. Join Affirm’s team to work remotely across Canada, enhancing user transactions through cutting-edge backend solutions. This role requires your expertise in Python, Kotlin, and...

We are looking for a hands-on Python AI Engineer to build and enhance an enterprise knowledge platform evolving from traditional RAG-based chatbots toward advanced, agent-driven knowledge systems. Mandatory Technical Skills Python: Strong hands-on development experience in platform engineering, automation, or backend infrastructure. CLI Development:...

We are seeking a Senior Backend Software Engineer to design, develop, and maintain highly scalable, reliable, and secure cloud-based software systems. The ideal candidate will architect backend services, build robust APIs, leverage modern cloud technologies, and collaborate with cross-functional teams to deliver high-quality software solutions that support...

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...

Overview Tucows is a remote-first backend engineering role for Canada, building open‐internet products across domains, Ting, and Wavelo. Responsibilities Design 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,...

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,...

Cohere is looking for a Backend Engineer to specialize in optimizing model inference systems. In this remote-first role, you will create low-latency serving infrastructure for advanced backend services. Candidates for this position must have over five years of backend engineering experience and strong programming skills in Go, Rust, or C++. You'll work on...

Drive innovation as a Backend Software Engineer at Affirm in this remote position. Design and enhance the Checkout Platform to elevate customer experience with financial products. Join Affirm’s team to work remotely across Canada, enhancing user transactions through cutting-edge backend solutions. This role requires your expertise in Python, Kotlin, and...

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...

Upsun seeks a Backend Software Engineer to enhance our billing systems. Focus on backend service development in Go for complex billing integrations and ensure accuracy in customer invoicing.In this role, you will build and maintain the backend services for our billing platform. Your expertise will drive projects that handle revenue across multiple currencies...

Upsun seeks a Backend Software Engineer to enhance our billing systems. Focus on backend service development in Go for complex billing integrations and ensure accuracy in customer invoicing.In this role, you will build and maintain the backend services for our billing platform. Your expertise will drive projects that handle revenue across multiple currencies...

Upsun seeks a Backend Software Engineer to enhance our billing systems. Focus on backend service development in Go for complex billing integrations and ensure accuracy in customer invoicing.In this role, you will build and maintain the backend services for our billing platform. Your expertise will drive projects that handle revenue across multiple currencies...

About the role: What's in the Box Our New Ventures team is focused on growing our global footprint by launching our core products in new markets and expanding across multiple brands and verticals. We’re a globally distributed team operating across 7+ brands in 15+ countries, building desirable products and seamless, engaging experiences that customers...

Affirm, Inc. is looking for an experienced Backend Engineer to own and deliver high-availability systems at scale. You will lead engineers on the team and work with product management, design and analytics to deliver on critical paths across all our products. You will drive architectural decisions, ensure code quality, and push for ownership and...

Build search and backend systems at Affirm remotely across Canada, using JavaScript, TypeScript, Python, or Kotlin. Help shape shopping discovery. As a Software Engineer I, you will contribute to projects supporting Affirm’s Ads business and Marketplace search experience. You will design, develop, and launch backend systems at scale while writing clear,...

Build search and backend systems at Affirm remotely across Canada, using JavaScript, TypeScript, Python, or Kotlin. Help shape shopping discovery. As a Software Engineer I, you will contribute to projects supporting Affirm’s Ads business and Marketplace search experience. You will design, develop, and launch backend systems at scale while writing clear,...

Clio is seeking a Senior Software Engineer, Invoicing in Burnaby to join our engineering team. This hands-on technical leader will build, operate, and evolve client-facing invoicing features within Clio Manage, working with cross-functional teams across payments, accounting, and reporting. Role requires in-office presence at least twice weekly on Anchor...