Senior Java Software Engineer

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

Job summary

Coelate Technologies is seeking an accomplished Senior Java Backend Engineer to join our Montreal team. You will design and optimize high-throughput services, using Spring and modern architectures to deliver scalable software.

The role demands 7+ years of backend experience, deep Java knowledge (8/11/17+), and expertise with Spark, databases, and DevOps tooling. Collaboration with product, data, and operations will be essential to success.

Qualifications

• 7+ years of professional software development experience, backend focus.
• Strong expertise in Java (8/11/17+), including multithreading and design patterns.
• Experience with Spring ecosystem (Boot, MVC, Security, Data).
• Experience with Spark for data pipelines.

Skills

Java

Backend

Multithreading

Concurrency

Memory management

Design patterns

Spring

Tools

Git

CI/CD

Maven/Gradle

Docker

Job description

• Experience: 7+ years of professional software development experience primarily focused on backend engineering.
• Core Java: Deep expertise in Java (Java 8/11/17+), including multithreading, concurrency, memory management, and design patterns.
• Frameworks: Extensive experience with Spring Ecosystem (Spring Boot, Spring MVC, Spring Security, Spring Data).
• Big Data Frameworks: Proven track record of building and tuning production-grade data pipelines using Apache Spark (Core, SQL, or Streaming).
• Databases: Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL solutions (e.g., MongoDB, Cassandra).
• Tools & DevOps: Proficiency with Git, CI/CD pipelines (Jenkins, GitLab, or GitHub Actions), Maven/Gradle, and Docker.