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Senior Backend Engineer on Stripe's Data Foundations team in Winnipeg, owning data models, SLAs, and scalable data pipelines built with Spark, Scala, and SQL, while using LLMs for data generation and enhancing data marts to track business performance.
An expert backend engineer at Stripe in Toronto (hybrid) builds and maintains payment APIs and balance/funds-accessibility platforms for businesses of all sizes. Day to day: developing robust payment APIs, resolving complex production issues, mentoring engineers, and collaborating on large-scale features using financial systems and cloud services.
A full-time, onsite backend engineer role focused on Golang, building and maintaining SDKs for Stripe's payment infrastructure and improving developer experience around its APIs. Requires 6+ years of engineering experience and 3+ years of Golang, with Node.js SDK work and mentorship duties; based in Toronto, New York, or Seattle.
Senior backend engineer in a hybrid Downtown Toronto role who designs and deploys Python/Flask backend architecture, integrates third-party systems, and supports and troubleshoots production systems for customers. Suited to senior/staff-level engineers comfortable with microservices and API development.
A senior backend engineer at RBC in Toronto builds and maintains scalable backend services in TypeScript with NestJS, collaborating on system and API design, database structures, CI/CD, and operational excellence. Core stack includes TypeScript, NestJS, PostgreSQL, and TypeORM, ideally with fintech experience.
Staff-level backend engineer at Affirm who drives technical strategy for scalable, high-performance database platforms: designing storage solutions, building MySQL/DynamoDB components on AWS, and maintaining database availability and operational excellence. Requires 8+ years of backend experience with strong database optimization skills.
A Senior Backend Java Developer role in Toronto (hybrid, on-site oriented) designing and maintaining Java/Spring Boot microservices, building and integrating RESTful APIs, managing SQL/PostgreSQL databases, and deploying applications on Azure. Requires 8+ years of backend experience and bilingual fluency in English and Spanish.
Backend engineer (staff-level data systems) at Varicent in Calgary, designing and optimizing large-scale data processing pipelines and backend architecture for throughput and scalability. Core stack is TypeScript, Python, and AWS, with a focus on distributed computing and batch processing, plus mentoring junior developers.
Brex is hiring a senior backend engineer in Vancouver (hybrid) to design and build financial software products, gather customer insights from user-facing teams, and improve banking operations end to end. The role requires 7+ years of backend-focused engineering with SQL or NoSQL databases and backend languages.
A senior backend engineer builds .NET Core REST APIs, Temporal multi-step workflows, worker services, and event-driven integrations for Appnovation's platform that automates K-12 school administrative tasks, working in a hybrid scrum team with PostgreSQL for data modeling and query tuning.
DoorDash is hiring a Backend Engineer in Toronto to develop and operate large-scale backend services for its logistics platform, focusing on scalability, reliability, and migrating monolithic architecture to microservices. Requires 8+ years of experience, REST API and unit-testing skills, and SQL/NoSQL knowledge.
Lead Backend Engineer at Brex in Vancouver designing and building backend systems for customer banking products in a hybrid work model. Works with cross-functional teams to own features, data models, and user experience end-to-end, using Java, Kotlin, or Python with SQL/NoSQL databases.
Senior backend engineer building and operating Go/Rust platform services for Kaseya's IT management platform — event routing and workflows with Kafka/Temporal, machine identity, secrets management/KMS, and immutable audit infrastructure. Hands-on ownership from design through production reliability.
Senior Backend Developer at EvenUp building the backend systems that power LLM deployment for personal injury law. Day to day: designing robust AI backend infrastructure, owning projects from architecture through deployment, and ensuring high performance and observability.
Senior backend developer on RBC's Mobile Services team in Toronto, leading architecture and implementation of Java/Spring Boot services powering mobile banking. Work involves cloud platforms (Azure/AWS), API design (SOAP/REST), stakeholder collaboration, and mentoring junior developers.
Senior Backend Engineer at Instrumentl building Python backend services and LLM-powered features that streamline grant discovery and application tasks for nonprofits. Day to day involves resilient service development, SQL data workflows, monitoring, experiments, and cross-functional collaboration.
Senior Backend Developer at MaintainX builds and evolves backend systems for the internal developer platform using Node.js/TypeScript and GraphQL, implements AI-driven workflows and CI/CD processes, and raises engineering standards so developer teams can scale efficiently.
On-site Backend Developer at PosiTrace in Burnaby, BC, building and maintaining the backend of a GPS fleet-tracking SaaS platform. Day-to-day work centers on .NET 8/C# and Python, designing microservices and RESTful APIs, handling large-scale data in MySQL, and deploying via Docker/Kubernetes with RabbitMQ messaging.
Build and optimize high-performance Python backend services for satellite operations and mission control at Kepler Communications in Toronto. Day to day involves maintaining system performance and security, streamlining CI/CD pipelines (e.g. GitHub Actions), monitoring Linux-based systems, and mentoring junior developers.
Intermediate to Senior Backend Developer at Xanadu building and scaling back-end products for the pennylane.ai quantum computing platform. Day to day: designing APIs, hardening distributed systems, and improving engineering practices using Python, Go, or Rust, with SQL/PostgreSQL and cloud deployment skills.
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