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Senior IT Java Developer

United States Digital Space LLC

toronto, on, Canada Full-time June 18, 2026

Found Description

Job Summary
We are seeking a Senior Java Developer / Architect to design, build, and operate scalable, event-driven, cloud-native applications using Apache Kafka, Spring Boot, and Microsoft Azure. The ideal candidate combines strong hands‑on engineering with architectural ownership of distributed systems, messaging patterns, and data‑intensive services.Key Responsibilities
Architecture & DesignDesign event‑driven architectures using Kafka with ownership of event contracts, versioning, and schema evolutionDefine service interaction patterns (REST vs Kafka, sync vs async)Lead architecture and design reviews focused on scalability, resiliency, and securityOwn non‑functional requirements including latency, throughput, scalability, and capacity planningKafka & MessagingDesign topic, partition, replication, retention, and consumer group strategiesImplement producers and consumers with correct delivery semanticsApply retries, dead‑letter queues, replay, idempotency, and error‑handling s...

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