backend engineer ruby

Build AI platform services at Affirm using Python or Kotlin, designing reliable backend systems for production workloads at scale. Work remotely within your home country. As a Senior Backend Software Engineer, you will own technical decisions across the AI Platform team. You will build governed interfaces for models, tools, and agents while supporting...

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...

Movable Ink scales content personalization for marketers through data-activated content generation and AI decisioning. The world’s most innovative brands rely on Movable Ink to maximize revenue, simplify workflow and boost marketing agility. Headquartered in New York City with close to 600 employees, Movable Ink serves its global client base with...

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...

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

Artificial Intelligence. Actual Impact. At Docebo, we’re using AI to change how people learn at work—and we mean actually change it. We’re an AI-powered learning platform that helps organizations create, deliver, and manage training all in one place. But our real mission goes deeper: we help teams move faster, work smarter, and focus on the work that...

Design scalable backend systems for payment protection as a Senior Engineer, working fully remotely from Canada with fraud prevention expertise. Build reliable automation for disputes and risk management. This Senior Backend Engineer role focuses on payment dispute management, fraud prevention, and risk automation. You will own systems through architecture,...

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

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 +...

Independently own larged-scoped projects from initial discovery through launch with a focus on outcomes and customer impactCollaborate with a cross functional team to find solutions to customer challengesImprove the performance, reliability, and scalability of our existing systemsPromote engineering excellence through technical leadership, knowledge-sharing...

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...

At Coinbase, our mission is toincrease economic freedom around the world, and we couldn’t do this without hiring the best people. We’re a group of hard-working overachievers who are deeply focused on building the future of finance and Web3 for our users across the globe, whether they’re trading, storing, staking or using crypto. Know those people who...

Senior Software Engineer, Backend - InternationalToronto, CanadaWho We AreAt Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people.We’re...

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 +...

Build scalable backend services remotely from South Africa using Python, Django, APIs, and database design. Apply senior engineering expertise to a global technology firm. This Senior Software Engineer role focuses on backend applications, APIs, and maintainable code. You will design scalable architectures, work with relational databases and ORM...

Build scalable backend systems and applied machine learning solutions for safety and integrity challenges at Character.AI. Shape trust in human-to-AI interaction. This Software Engineer role focuses on backend development, distributed systems, and machine learning. You will address content classification, anomaly detection, risk scoring, and safeguards for...

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 diligence...

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...

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...

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...