backend engineer ruby

In 2018, Bitvavo launched the first version of its digital assets trading platform, to bridge the gap between traditional currencies and digital assets. By offering transparent fees, a wide range of assets and an easy to use platform, Bitvavo is making the currency of the future accessible for everyone. In two years' time, Bitvavo has established itself as...

Who we are: Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one of the fastest-growing fraud consortiums in the market,...

Build AI platform infrastructure with Python or Kotlin as a remote Senior Backend Engineer at Affirm, serving teams and production workloads. This senior-level role owns technical decisions and projects across design, launch, and on-call. You will build highly available distributed systems using AWS, MySQL, and Kubernetes. Your work supports LLM gateways,...

Build enterprise banking software with Java and Spring Boot in a hybrid Downtown Toronto engineering team. Apply backend expertise across scalable solutions. This Java Software Engineer role requires five-plus years of experience and focuses primarily on backend development. You will work with Java, Spring Boot, microservices, PostgreSQL, Docker, and cloud...

Build AI platform infrastructure with Python or Kotlin as a remote Senior Backend Engineer at Affirm, serving teams and production workloads. This senior-level role owns technical decisions and projects across design, launch, and on-call. You will build highly available distributed systems using AWS, MySQL, and Kubernetes. Your work supports LLM gateways,...

Take your software engineering career to new heights with Asepha as a Senior Software Engineer in Toronto or New York. Focus on backend development and AI integrations that redefine medication management. As a key team member at Asepha, your role is integral to shaping our engineering direction and delivering innovative solutions in pharmacy technology....

Job description: G&A ROBOT INC. is a Vancouver-based smart food and beverage automation company. We operate automated coffee and beverage machines across universities, transit hubs, hospitals, and other public facilities. We\'re looking for a Full Stack Engineer who loves building reliable, scalable backend systems and is just as comfortable shipping...

About the RoleOur client is a dynamic fintech company integrating blockchain technology into its core services. They are seeking a highly skilled Senior Backend Engineer with a specific focus on blockchain development to join their team in Kimberley, Northern Cape, ZA. This role is essential for developing and maintaining the robust backend systems that...

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....

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...

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...

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 historic cultural and financial shift, keep reading. About the team...

Elevate your career as a Staff Backend Engineer with DoorDash in Toronto, ON. Lead the architectural strategy for a powerful notification system designed for massive scalability and intelligent personalization. This role emphasizes technical leadership and a strong grasp of distributed systems. Your focus will be on driving the roadmap for the Notification...

Elevate your career as a Senior Web3 Backend Engineer at Robinhood in Toronto. Architect and scale backend services for innovative crypto and financial applications in a high-impact role. As part of Robinhood's elite team, you will contribute to pioneering solutions in the rapidly evolving financial landscape. Your experience will drive the development of...

Terminal builds telematics data infrastructure for the commercial fleet industry. Commercial auto insurers and fleet software companies, including industry leaders like Intact Insurance, Penske, and Progressive, depend on our platform to access GPS, speeding, and vehicle data from 330+ telematics providers. We recently raised our Series A led by Battery...

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...

This role spans everything our customers touch: the integrations that turn raw vehicle telematics from 330+ providers into clean data, the public APIs enterprises build against, the dashboards they work in, and the ingestion platform underneath it all. It is a mix of product and backend engineering, shaping the APIs and deeper backend components our...

Take your software engineering career to new heights with Asepha as a Senior Software Engineer in Toronto or New York. Focus on backend development and AI integrations that redefine medication management. As a key team member at Asepha, your role is integral to shaping our engineering direction and delivering innovative solutions in pharmacy technology....

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....

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...