Senior Backend Engineer - Java/Node, AWS, Microservices

LiveBarn; Montreal (administrative region); On-site; CAD 110,000 - 150,000; Full time

Job summary

LiveBarn is seeking a Senior Backend Software Engineer to design, develop, and maintain backend services powering its customer-facing product and internal tools. The role focuses on Java and Node.js with a high-performance, scalable architecture in a fast-paced tech environment.

You will collaborate across teams, participate in architecture discussions, and ensure robust testing and deployment practices. A strong background in Java, Spring, SQL/NoSQL, and AWS is essential for success.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 7+ years of backend software engineering experience, with a strong focus on Java.
• Experience with AWS services (EC2, Lambda, DynamoDB, ECS, and RDS).
• Experience building and integrating GraphQL APIs.
• Strong skills in Java, Spring Framework, Hibernate, SQL, and NoSQL databases.
• Experience designing and implementing REST APIs and microservices architecture.

Responsibilities

• Design, implement, and maintain backend features using Java and Node.js.
• Participate in software architecture and system design discussions.
• Conduct software analysis, development, testing, and debugging.
• Identify, troubleshoot, and resolve production and non-production issues.
• Contribute technical recommendations across supported technologies and services.
• Collaborate with cross-functional teams to improve system performance, reliability, and scalability.

Skills

Java backend

AWS

Redis

GraphQL

Docker

Spring Framework

REST APIs

Microservices

SQL/NoSQL databases

Git

Education

Bachelor’s degree in Computer Science, Engineering, or a related field

Tools

Kubernetes

Hibernate

SQL

NoSQL databases

Job description

LiveBarn is seeking a Senior Backend Software Engineer to design, develop, and maintain backend services powering its customer-facing product and internal tools. The role focuses on Java and Node.js with a high-performance, scalable architecture in a fast-paced tech environment.

You will collaborate across teams, participate in architecture discussions, and ensure robust testing and deployment practices. A strong background in Java, Spring, SQL/NoSQL, and AWS is essential for success.