backend engineer ruby

Shape event-driven backend architecture with Python, Kafka, and Kubernetes at BoostSecurity in Montreal, QC. Work alongside AI coding agents.As a Senior Backend Developer, you will own architecture, judgment, and quality across BoostSecurity’s software supply chain platform. Build Python microservices with Kafka, MariaDB, GraphQL, AWS, and Kubernetes....

Become integral to ThreatAware's mission as a Backend Engineer. Contribute to AI development, optimize APIs, and maintain a robust platform for cybersecurity solutions. As a vital member of the ThreatAware team, you will leverage your C# and .NET expertise to build and maintain backend services. This role focuses on enhancing AI-powered capabilities,...

About d1g1t d1g1t is an institutional-grade enterprise wealth management platform built for financial advisors, multi‑family offices, broker‑dealers, and bank advisor networks. The platform replaces fragmented legacy systems with a unified solution for portfolio management, advanced analytics, risk management, reporting, and operational workflows across...

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...

Build backend applications and data pipelines as a Staff Software Engineer at Marqeta, working remotely from Ontario or British Columbia. The Program Experience team is scaling Marqeta’s Customer Migration Platform. This experienced engineering role focuses on Java and Python, scalable APIs, cloud native applications, and data integration. You will...

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...

Build scalable APIs from Kimberley as a Senior Backend Software Engineer, using RESTful design, GraphQL, and microservices architecture expertise. This senior role focuses on backend development for core products and services. You will design robust APIs, manage data efficiently, and write maintainable code. Collaboration with frontend developers, product...

Join Kaseya as a Platform Backend Engineer to innovate our core services using Go or Rust. Focus on event-driven systems and multi-tenant security in a dynamic environment. In this hands-on role, you’ll design backend services like API gateways and event routing while ensuring production reliability. Ideal candidates will utilize their experience in...

Earn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...

Drive impactful backend solutions as a Senior Backend Engineer with Affim in Canada. Utilize your expertise in Python or Kotlin to innovate and enhance consumer experiences. At Affim, we are constructing an advanced advertising platform and a top-tier shopping destination. As a Senior Backend Engineer, you'll set the technical strategy for your team while...

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...

Direct message the job poster from CoverstarCoverstar is building the first safe, creative, AI-native social platform for Gen Alpha. We’re building a world where the next generation can create, connect, and grow with technology that’s fun, expressive, and safe by design. We’re backed by top investors like a16z, moving fast, and hiring a mission-aligned...

Direct message the job poster from Scribd, Inc. About The Company At Scribd (pronounced “scribbed”), our mission is to spark human curiosity. Join our team as we create a world of stories and knowledge, democratize the exchange of ideas and information, and empower collective expertise through our four products: Everand, Scribd, Slideshare, and Fable. We...

Shape the future of data streaming as a Backend Software Engineer on Camunda’s innovative Data Streaming team. Embrace a fully remote role focusing on building scalable process data architectures. In this Senior position, you will revolutionize how Camunda handles process data, moving analytics off the live engine's critical path. Collaborate closely with...

Direct message the job poster from CopperCopper isn’t just another CRM. Most CRMs are glorified databases with legions of custom fields that attempt to make business processes repetitive. But just as no two people are identical, neither are most sales processes. Copper takes a human and action-centered approach by building tools that teams love and adopt...

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 backend applications and data pipelines as a Staff Software Engineer at Marqeta, working remotely from Ontario or British Columbia. The Program Experience team is scaling Marqeta’s Customer Migration Platform. This experienced engineering role focuses on Java and Python, scalable APIs, cloud native applications, and data integration. You will...

Build backend applications and data pipelines as a Staff Software Engineer at Marqeta, working remotely from Ontario or British Columbia.The Program Experience team is scaling Marqeta’s Customer Migration Platform. This experienced engineering role focuses on Java and Python, scalable APIs, cloud native applications, and data integration. You will support...

Shape the future of finance at Brex as an Innovative Backend Engineer in Vancouver. Work in a hybrid model to build impactful tools and enhance user experiences. Brex is on the lookout for a talented Senior Backend Engineer with 7+ years of experience in full-stack application development. You will have the chance to design and develop new products tailored...

Elevate your backend engineering career with Affirm’s remote team in Canada, specializing in Redis and Valkey Cache Services. Drive innovation in data infrastructure while collaborating closely with cross-functional teams. Join Affirm as a Software Engineer II, focusing on backend systems and cache service scaling. With at least two years of experience,...