senior java distributed systems engineer jobs in Toronto

Design distributed authentication services for eBay using Java, Spring Boot, REST, and event-driven architecture. Help build cloud-native capabilities.This Senior Software Engineer role focuses on production-grade backend applications and scalable distributed systems. You will create APIs and microservices supporting Authentication as a Service, extending...

Design distributed authentication services for eBay using Java, Spring Boot, REST, and event-driven architecture. Help build cloud-native capabilities. This Senior Software Engineer role focuses on production-grade backend applications and scalable distributed systems. You will create APIs and microservices supporting Authentication as a Service, extending...

Join Movable Ink as a Senior Engineer specializing in Distributed Systems. Lead the development of scalable software solutions that leverage AI for impactful marketing strategies. As part of the Movable Ink Activation Team, you’ll focus on the design and implementation of systems that manage large data efficiently. Your skills will play a critical role in...

Join Movable Ink as a Senior Engineer specializing in Distributed Systems. Lead the development of scalable software solutions that leverage AI for impactful marketing strategies. As part of the Movable Ink Activation Team, you’ll focus on the design and implementation of systems that manage large data efficiently. Your skills will play a critical role in...

Design distributed systems at Amazon with CloudTune, using large-scale data processing and infrastructure automation to support Amazon-scale workloads. As a Senior Software Development Engineer, you will build systems for Scaling Efficiency within Amazon's CloudTune organization. You will serve internal customers across science, capacity management, and...

Design distributed systems at Amazon with CloudTune, using large-scale data processing and infrastructure automation to support Amazon-scale workloads. As a Senior Software Development Engineer, you will build systems for Scaling Efficiency within Amazon's CloudTune organization. You will serve internal customers across science, capacity management, and...

Kaseya Limited in Toronto, Canada, is hiring a Senior Staff Software Engineer to shape the architecture and evolution of Java-based SaaS platforms and shared backend services. This hands-on leadership role focuses on solving complex distributed systems challenges and guiding multiple teams toward scalable, reliable solutions. You will collaborate with...

Kaseya Limited in Toronto, Canada, is hiring a Senior Staff Software Engineer to shape the architecture and evolution of Java-based SaaS platforms and shared backend services. This hands-on leadership role focuses on solving complex distributed systems challenges and guiding multiple teams toward scalable, reliable solutions. You will collaborate with...

Design distributed systems at Amazon with CloudTune, using large-scale data processing and infrastructure automation to support Amazon-scale workloads. As a Senior Software Development Engineer, you will build systems for Scaling Efficiency within Amazon's CloudTune organization. You will serve internal customers across science, capacity management, and...

Lead distributed systems engineering with Python, Go, and GCP for Achievers’ Data Intelligence services supporting millions of workplace experiences. Work hybrid from Toronto.This Senior Software Engineer role focuses on complex backend systems, performance, scalability, and fault tolerance. You will shape technical direction while delivering services for...

Architect distributed systems for Nubank’s Money Boxes platform, combining high-concurrency design with transactional ledgering across international markets. This hybrid role requires office presence two days weekly. As Senior Staff Software Engineer, you will serve as chief technical authority for Money Boxes core technology. You will design extensible...

About Qorsa Qorsa is a Canadian post-quantum cryptography and cybersecurity company building CasQade — a crypto-agile security platform protecting sovereign government, defence, financial, and critical-infrastructure networks against current and emerging cryptographic threats. We are headquartered in Waterloo, Ontario, with a European subsidiary in The...

Build secure, scalable backend infrastructure at LotusFlare, using distributed systems expertise to support millions of concurrent API calls globally. As a Senior Backend Engineer, you will develop, secure, and scale mission-critical systems for LotusFlare’s DNO Cloud platform. You will own software from development through production maintenance, while...

Nubank is seeking an experienced software engineer to evolve and operate its messaging platform and the infrastructure that supports asynchronous communication at scale. This senior role owns critical platform capabilities across multiple domains and AWS accounts, with hundreds of clusters and very large daily data volumes. Strong Kubernetes and networking...

Design distributed systems for Mawari Network’s XR streaming ecosystem in Waterloo, focusing on Golang, Rust, scalability, and real-time performance. As Principal Engineer, you will architect large-scale systems spanning content streaming, model evaluation, inference pipelines, and decentralized coordination. You will guide technical direction while...

Lead distributed systems architecture for QFG from Toronto or Calgary, working hybrid with at least three office days weekly. Shape resilient platforms, identity flows, and technical direction. As Team Lead, Software Engineering, you will connect legacy banking cores with microservices through scalable orchestration layers. Your focus includes distributed...

Lead innovative distributed systems at EPAM as a Java Engineer. Design and maintain production-grade Java services critical for corporate actions and investment data processing. As a vital member of the engineering team at EPAM, your role focuses on building scalable applications using Java and Spring Boot. You will own the engineering lifecycle from...

Cerebras Systems is seeking a seasoned cluster engineer to join the team responsible for turning thousands of wafers, servers, and switches into a reliable, observable cloud. The role focuses on automating bare-metal provisioning, upgrades, and security patches, with a strong emphasis on CRDs, controllers, and RBAC in a Go/Python/Kubernetes stack. You will...

Cerebras Systems is seeking a seasoned cluster engineer to join the team responsible for turning thousands of wafers, servers, and switches into a reliable, observable cloud. The role focuses on automating bare-metal provisioning, upgrades, and security patches, with a strong emphasis on CRDs, controllers, and RBAC in a Go/Python/Kubernetes stack. You will...

Job Title: Senior Java Engineer Agentic AI Location: Toronto, ON (Hybrid 3 days/week onsite) Duration: 6-month contract (extension possible up to 1 year) or FTE About The Role We are looking for highly experienced, hands-on Senior Java Engineers (Architects /Technical Leads) with a strong hands‑on Software Engineering background to join an...