Platform Modernization Engineer

Acestack; Montreal; Hybrid; CAD 110,000 - 140,000; Full time

Job summary

Acestack in Montreal is seeking a Platform Modernization Engineer to join our Global Enterprise Technology team. You will modernize, secure, and enhance mission-critical information distribution and file transfer platforms, applying Java 17+, Spring Boot, and cloud-native patterns.

You will design and support enterprise apps, REST APIs, and platform services, modernize legacy systems, and collaborate with security, DevOps, and operations to improve resilience, observability, and performance.

Qualifications

• Experience designing and delivering enterprise applications and REST APIs.
• Strong knowledge of Java 17+ and Spring Boot.
• Experience with modern software architecture and cloud-native systems.
• Proficiency in CI/CD, DevOps practices, and containerization.
• Ability to ensure security, reliability, and observability of platforms.

Responsibilities

• Design, develop, and support enterprise apps, REST APIs, and platform services.
• Modernize legacy apps using Java 17+ and Spring Boot.
• Develop integrations between enterprise platforms and internal systems.
• Evaluate emerging technologies and contribute to POC initiatives.
• Remediate vulnerabilities and work with security teams to improve platform security.
• Improve platform resilience, observability, and performance.
• Build and enhance CI/CD pipelines and containerized deployments.

Skills

Java 17+

Spring Boot

REST APIs

Python or JavaScript

OOP

Linux/Unix

Shell Scripting

SQL (PostgreSQL, Oracle, SQL Server)

Git

CI/CD

Secure Software Development

Vulnerability Management

Application Security

High Availability & Resiliency

Platform Modernization

Tools

Docker

Kubernetes

OpenShift

Job description

Job Title: Platform Modernization Engineer

Location: Montreal, QB

Job Type: Full-Time (FTE)

Work Model: Hybrid

Job Summary

We are seeking a Platform Modernization Engineer to join the Global Enterprise Technology team responsible for modernizing, securing, and enhancing mission-critical information distribution and file transfer platforms. The ideal candidate will have strong expertise in Java, Spring Boot, platform modernization, security, DevOps, and cloud technologies to improve platform reliability, resilience, and operational excellence.

Key Responsibilities

Application Development & Modernization

• Design, develop, and support enterprise applications, REST APIs, and platform services.
• Modernize legacy applications using Java 17+, Spring Boot, and modern software architecture.
• Develop integrations between enterprise platforms and internal systems.
• Evaluate emerging technologies and contribute to Proof of Concept (POC) initiatives.

Security & Platform Engineering

• Remediate application and infrastructure vulnerabilities identified through security assessments.
• Upgrade frameworks, third-party libraries, and platform components.
• Implement secure coding practices and security-by-design principles.
• Collaborate with Cyber Security teams to resolve security findings and improve platform security.

Reliability & Observability

• Improve platform resilience, availability, recoverability, and fault tolerance.
• Perform root cause analysis and resolve production issues.
• Enhance monitoring, logging, alerting, and observability capabilities.
• Eliminate performance bottlenecks and single points of failure.
• Support disaster recovery, business continuity, and platform hardening initiatives.

DevOps & Automation

• Build and enhance CI/CD pipelines for automated software delivery.
• Automate testing, deployment, compliance, and operational processes.
• Support containerized applications using Docker and Kubernetes/OpenShift.
• Implement cloud-ready application architectures.

Required Skills

• Java 17+
• Spring Boot
• REST APIs
• Python or JavaScript
• Object-Oriented Programming (OOP)
• Linux / Unix
• Shell Scripting
• SQL (PostgreSQL, Oracle, SQL Server)
• Git
• CI/CD
• Docker
• Kubernetes / OpenShift
• Secure Software Development
• Vulnerability Management
• Application Security
• High Availability & Resiliency
• Platform Modernization

Preferred Skills

• Kafka or IBM MQ
• Enterprise File Transfer / Managed File Transfer Platforms
• AWS, Azure, or Google Cloud Platform
• Splunk, Grafana, Prometheus, OpenTelemetry
• PGP, Cryptography, Certificate Management, Key Management
• Software Composition Analysis (SCA)
• Static Application Security Testing (SAST)
• Vulnerability Scanning Tools
• Temporal Workflow Automation
• DevSecOps
• Platform Engineering
• Distributed Systems

Professional Skills

• Strong analytical and troubleshooting abilities.
• Excellent problem-solving and production support skills.
• Strong communication and stakeholder collaboration.
• Ability to work effectively in global Agile teams.