backend engineer ruby

Architect Web3 backend systems with Robinhood in Toronto, using Go or Python to support scalable crypto infrastructure and wallet products. As a Senior Software Engineer, you will build backend services, infrastructure, and data systems for Robinhood’s crypto, Web3, and wallet offerings. You will solve distributed systems and correctness challenges while...

Build high-performance financial services at Bitvavo using Kotlin, Kafka, and event-driven microservices architecture. This engineering role supports digital asset trading platforms. As a Senior Backend Engineer, you will craft high-quality software for Bitvavo customers and financial markets. You will tackle technical challenges, influence technology...

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,...

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...

Build scalable backend services with AWS and Python for an AI-driven risk intelligence platform, with flexible hybrid Montreal or remote work options. As a Senior Software Engineer, you will develop production backend services and RESTful APIs. You will optimize data processing workflows, database architecture, and cloud infrastructure. Your work supports...

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...

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,...

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...

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. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. We are building an elite team, applying frontier technologies...

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,...

Scribd, Inc. is on a mission to advance human understanding. Our four products — Scribd®, Slideshare®, Everand™, and Fable — help billions of people across the globe move beyond access and into insight, application, and expertise. Culture at Scribd, Inc. We support a culture where our employees can be real and be bold; where we debate and commit...

Build mission-critical backend systems with C# and .NET at OpenTable, working hybrid from the Toronto office two days weekly. Support real-time reservation technology. As a Software Engineer II, you will design and implement services for inventory, availability, and reservation flows. The TMS Inventory team owns complex distributed systems where reliability...

Commons is a platform that helps people use their money to build the life and world they want. Through our personal finance app, hundreds of thousands of individuals track, manage, and offset the impact of their dollars, saving $2,000 on average and lowering emissions by 10% a year. Through our carbon advisory offering, we provide end-to-end carbon...

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...

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...

We’re looking for a Senior Software (Database) Engineer to help build the underlying storage system for our general purpose data platformThe database layer has both OLAP and OTLP capabilities to support classic analytics queries while also serving up freshly stored dataIt embraces the separation of compute and storage and is designed to run on multiple...

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 Jeeves financial services remotely with Go, Python, or TypeScript while designing reliable systems for global payments and cards. Work full time from anywhere. As a Senior Backend Engineer, you will build backend services powering payments, cards, spend management, and compliance infrastructure. You will work with RESTful and GraphQL APIs, databases,...

Faire is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi-hundred-billion-dollar wholesale market that has historically been fragmented and offline. At Faire, we're using the power of tech, data, and machine learning to connect this thriving community 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...