Développeur Java

Adex Personnel Inc.; Montreal (administrative region); Hybrid; CAD 80,000 - 100,000; Full time

Job summary

Adex Personnel Inc. is seeking a Java Backend Developer in Montreal, operating in a hybrid model with three days in office. You will join a global tech team to modernize and secure mission-critical information distribution and file transfer platforms.

The role emphasizes building secure, observable systems with containerized deployments on Kubernetes and OpenShift, plus CI/CD automation and robust REST APIs.

Qualifications

• Strong Java 17+ programming and REST API development.
• Experience with Python and/or JavaScript is beneficial.
• Hands-on with Spring Boot and modern APIs.

Responsibilities

• Develop and modernize enterprise applications and APIs.
• Improve security posture, resilience, and platform health.
• Automate testing, deployment, and monitoring.
• Collaborate with global teams on reliability and DevSecOps.
• Upgrade dependencies and support vulnerability remediation.

Skills

Java 17

Python / JavaScript

Spring Boot

REST API development

OO design

Tools

Docker

Kubernetes/OpenShift

Git workflows

CI/CD tools

Monitoring tools

Job description

Java Backend developer - Java 17, DevSecOps, Kubernetes

Location: Montreal; Hybrid: 3 days a week in office

2-Face-2 interview required

We are seeking a Software Engineer to join a Global Enterprise Technology Team responsible for the development, modernization, security and operational reliability of mission critical information distribution system and file transfer platforms.

Candidate will play a key role in improving the security posture, resilience, and overall health of our platforms. This includes supporting vulnerabilities remediation, reducing technical debts, modernizing legacy applications, and improving reliability through automation, observability and engineering best practices.

Required Skills

• Strong programming skills in Java; Java 17 or later is preferred
• Experience with Python and/or JavaScript
• Hands-on experience with Spring Boot and REST API development
• Solid understanding of object-oriented design and software engineering principles

Security & Platform Reliability

• Understanding of secure software development practices and common application security risks
• Familiarity with vulnerability management, dependency upgrades, and remediation activities
• Knowledge of secure coding principles
• Understanding of high availability, resiliency and fault tolerant system design concepts

Infrastructure & Systems

• Good working knowledge of Linux/Unix systems and shell scripting
• Familiarity with networking protocols such as HTTPS, SSH/SFTP, SMTP, TLS and TCP/IP
• Experience working with relational databases such as Postgre/SQL, Oracle or SQL Server

Modern Engineering Practices

• Experience with Git-based development workflows
• Familiarity with CI/CD pipelines and automation testing
• Exposure to container technologies such as Docker and Kubernetes/OpenShift

Professional Skills

• Strong analytical, troubleshooting and problem-solving skills
• Ability to investigate complex production issues and drive them to resolution
• Good verbal and written communication skills
• Ability to collaborate effectively in a global team environment

Preferred Qualifications

• Experience with distributed systems and messaging technologies such as Kafka or IBM MQ
• Familiarity with enterprise file transfer platforms and managed file transfer platforms
• Knowledge of cryptography, PGP, Key management and certificate management
• Experience to cloud platforms such as AWS, Azure or GCP
• Experience with monitoring and observability tools such as Splunk, Grafana, Prometheus or OpenTelemetry
• Familiarity with Software Composition Analysis, Static Application Security Testing, and vulnerability scanning tools
• Experience with workflow automation technologies such as Temporal
• Interest in DevSecOps, Platform Engineering and large-scale modernization initiatives

Responsibilities

Security and Platform Hygiene

• Support remediation of application and infrastructure vulnerabilities identified in security scanning, penetration testing and risk assessments
• Upgrade and maintain application frameworks, third party libraries, and platform components to support and secure versions
• Reduce technical debt and improve application maintainability, stability, and security
• Partner with cyber infrastructure teams to address security findings and implement remediation plans
• Contribute to secure software development practices and security by design principles

Resilience & Reliability Engineering

• Improve platform reliability, resiliency and recoverability through system enhancements and automation
• Participate in root cause analysis and remediation of production incidents with a focus on preventing recurring issues
• Develop and improve monitoring, alerting and observability capabilities to strengthen system health and operational visibility
• Identify and address single point of failure, performance bottleneck and operational risks
• Support disaster recovery, business continuity and platform hardening initiatives

Application Development & Modernization

• Design, Develop and support enterprise applications, APIs and platform services
• Modernize legacy systems through adoption of contemporary frameworks, architectures, and engineering practices
• Develop integrations between internal systems and enterprise platforms
• Contribute to POC initiatives and evaluation of emerging technologies

DevOps & Automation

• Build and enhance CI/CD pipelines to improve software quality and delivery efficiency
• Automate testing, deployment, compliance, and operational processes
• Support containerized and cloud ready application architectures

Full-time

CA$80,000.00–CA$100,000.00 yearly