backend engineer ruby

Join Instrumentl as a Senior Backend Engineer, leading the charge in AI development for nonprofit organizations. Your expertise will directly impact tools that help secure over $1 billion in funding. In this role, you'll be responsible for shipping reliable AI features from inception to deployment. Working with a small but dedicated team, you will...

Thomson Reuters is looking for a Senior Backend Engineer with AI expertise to develop robust backend services. Contribute to real-world AI systems in a hybrid work setting. In this pivotal position, you’ll design and optimize backend architectures for AI-powered products tailored for the tax and accounting sector. Engage with complex systems, ensuring...

Excel as a Staff Backend Software Engineer at Motion, focusing on API design and backend services. Use your skills in Node, TypeScript, and MongoDB to influence company-wide operations. Join Motion's Platform team to develop and enhance high-quality backend solutions that cater to diverse product lines. You will collaborate closely with engineers to deliver...

Build high-scale backend data services at Akamai using Python, Java, or Go with hands-on development across Cloud Data Services. Work within a global engineering team.As a Senior II Software Engineer, you will design and scale backend services, APIs, microservices, and distributed systems. You will balance technical oversight with development, clarify...

A payment technology leader is seeking a Senior Software Engineer to join their fully remote team. This role focuses primarily on backend development, maintaining and enhancing payment processing systems while collaborating with various teams. The ideal candidate should have over 5 years of software development experience, strong skills in API design and...

Build scalable campaign infrastructure remotely from Canada using Python or Ruby, distributed systems expertise, and modern backend engineering practices.This Senior Backend Developer joins the Campaigns Team within a collaborative engineering group. You will develop large-scale backend applications supporting personalized, multi-channel marketing campaigns....

At Affirm, 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 mostYour role will be instrumental in designing the next generation of Affirm’s Checkout Platform to provide a world‑class buying experience that puts customers first!We...

Overview The Lead Backend Engineer on the AI Platform team plays a critical role in building, evolving, and leading the backend systems and engineering practices that power internal products, customer‑facing capabilities, AI‑enabled workflows, and operational decision‑making across the organization. This role combines hands‑on backend engineering...

Remote CanadaAt affirm, 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 streaming team at affirm is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery...

At Affid, 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 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...

Bayview Asset Management, LLC is seeking a Backend Engineer for the AI Platform team to design, build, test, and operate scalable backend services powering internal products and AI-enabled workflows.You will develop APIs, ensure reliability, and deploy on major clouds, collaborating with product, data, and AI teams in a regulated environment. This fully...

Build scalable backend systems for Lime’s connected vehicles as a remote Software Engineer based in Canada, using data and strong architecture skills.As a Backend Software Engineer, you will create technology supporting electric vehicles, location and asset data analysis, experimentation, and Lime’s internal messaging platform. The work calls for...

Power AI training and inference with model-serving infrastructure, data pipelines, and high-performance APIs through Alignerr’s remote hourly contract. Work flexibly.As a Back End Developer at Alignerr, you will build server-side systems that support AI products and real-world traffic at scale. The work includes scalable microservices, performance...

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 Affim, 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 Affim'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...

At Affi, 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 Streaming team at Affi is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validation. We...

The Opportunity As a Backend Engineer, Trading Systems on our engineering team you will play a critical role in building, supporting and maintaining the system and tools to support our proprietary trading system. From designing high impact and scalable components to solving complex design problems you will serve as an integral partner to our trading team....

Architect high-throughput REST APIs with Python and Flask at Akamai, supporting resilient backend infrastructure for enterprise security platforms. As a Senior II Software Engineer, you will lead architecture, design, and implementation for high-performance backend systems. You will establish API standards, improve performance, and advance fault-tolerant...

Transform enterprise-scale projects as a Senior Backend Engineer with Raise in Toronto, ON, leveraging a hybrid work environment. Bring your expertise to cloud-native solutions and technical leadership. This role requires a seasoned professional with a strong background in technology and architecture. You will support modernization efforts, mentor...

Staff Software Engineer, Backend Platform Toronto, Canada Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this...