backend engineer ruby

Affirm is seeking a software engineer for the Streaming team in Ottawa. You will design and scale data infrastructure, build backend services, and collaborate across product, design and analytics to ship features that rely on Kafka, Flink and AWS.You will participate in ideation, articulate constraints, and help manage trade-offs with stakeholders while...

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...

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...

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...

Affirm is seeking a software engineer for the Streaming team in Ottawa. You will design and scale data infrastructure, build backend services, and collaborate across product, design and analytics to ship features that rely on Kafka, Flink and AWS.You will participate in ideation, articulate constraints, and help manage trade-offs with stakeholders while...

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...

Join the Tilt team At Tilt, we see a side of people that traditional lenders miss. Our mobile-first products and machine learning-powered credit models look beyond credit scores, using over 250 real-time financial signals to recognize real potential. With millions of customers worldwide, we're not just changing how people access financial products - we're...

Elevate patient care as a Senior Backend Engineer at FluidAI, developing smart, data-driven surgical solutions. This remote role involves deep system design, C#, and .NET expertise while collaborating with global healthcare teams. FluidAI is seeking an experienced backend engineer to design and develop scalable systems that align with our innovative...

Shape the future of search at Affid as a Backend Software Engineer. Leverage your expertise in Python or Kotlin to enhance consumer experiences in this remote role. Affid is seeking a seasoned Backend Software Engineer with 8+ years in building scalable systems. This role involves setting technical strategies, collaborating across product development teams,...

Build AI underwriting systems with Python and backend expertise at nesto, in a remote-first role open across Canada. Shape production lending technology.As a Senior Applied AI Engineer, you will lead major projects for Maestro, nesto’s AI underwriting and lending engine. Apply LLMs, retrieval-augmented generation, structured extraction, and strong API...

Use Python and distributed systems expertise to build secure, scalable backend services from Canada. Work full time on cloud-native applications in AWS. As a Staff Backend Engineer, you will design core services and backend logic for event-driven systems. The work spans asynchronous programming, data processing pipelines, serverless applications, and...

Elevate your career as a Senior Backend Engineer at DoorDash, focusing on product-driven tech solutions in a hybrid work model. Join a team dedicated to innovative architecture and systems. We are seeking a Senior Backend Engineer to enhance our product and infrastructure. In this hybrid role, you'll manage backend services, mentor peers, and participate in...

Lead backend observability architecture remotely from Canada, using distributed systems expertise to improve telemetry reliability, performance, and cost. Affirm seeks a Staff Software Engineer as Observability’s technical lead. You will remain hands-on while defining strategy, mentoring six engineers, and partnering with infrastructure and product teams....

Senior Backend Engineer (AWS) As a Senior Backend Engineer at Lumenalta, you will design and implement robust backend systems, ensuring our applications are secure, scalable, and efficient. You will be responsible for working closely with DevOps and frontend teams to deliver high-performance applications that leverage AWS cloud services and Kubernetes. Your...

Build backend services with Java and Spring Boot as a senior engineer applying an AI-first mindset across the full product lifecycle. This full-time role is hands-on and individual contributor focused. You will design, build, test, and deliver real systems from requirements through production. The work emphasizes clean design, sound architecture, readable...

Location: Remote — USA, Canada, or London, UK Engagement: Full-time / Long-term project Compensation: $160K–$240K annually+ meaningful equity Seniority: Senior / Staff About the Project We are looking for a Senior/Staff Software Engineer to join a rapidly growing technology company building infrastructure for AI-powered voice agents . The product...

About Cognichip At Cognichip, we are building AI-native tools that transform how semiconductor engineers create, verify, and optimize chips. Our platform combines large proprietary models, agentic workflows, domain-specific engineering intelligence, and high-performance simulation infrastructure to accelerate one of the world’s most complex engineering...

Overview Databricks is on a mission to simplify and democratize data and AI — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platform so our customers can use deep data insights to improve their business. Founded...

Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. To help our teams work together effectively, this role is fully remote, but requires...

About Inworld At Inworld, we believe that the benefits of AI should extend beyond business workflows to the applications and experiences that we enjoy every day. We began by pushing the frontier of lifelike, interactive characters for games and entertainment, pioneering realtime conversational AI at scale. Today, we apply that expertise to provide the...