Java Microservices Architect

NLB Services; Calgary; On-site; CAD 100,000 - 130,000; Full time

Job summary

NLB Services is looking for a skilled Java Microservices Architect / Senior Developer to design and deliver scalable enterprise applications. The role requires deep expertise in Java-based microservices architecture, focusing on modernization and strong knowledge in the energy sector.

Candidates should have hands-on experience with Spring Boot, API Gateway solutions, and a proven track record of modernizing legacy systems. The position mandates collaboration across teams in large transformation initiatives.

Qualifications

• Hands-on expertise with Spring Boot.
• Strong knowledge of Microservices Architecture & Design Patterns.
• Experience with API Gateway implementation.

Responsibilities

• Design and develop scalable microservices using Java and Spring Boot.
• Define and implement microservices architecture patterns and best practices.
• Lead architecture discussions and future-state system design.

Skills

Spring Boot

Microservices Architecture & Design Patterns

API Gateway implementation

TIBCO EMS / JMS

Scheduler frameworks (Quartz or similar)

Enterprise System Design / Architecture

Tools

GitHub Copilot

Job description

We are seeking an experienced Java Microservices Architect / Senior Developer to design and deliver modern, scalable enterprise applications. The ideal candidate brings deep expertise in Java-based microservices architecture, application modernization, and strong domain knowledge in the energy / electricity sector.

Key Responsibilities

• Design and develop scalable microservices using Java and Spring Boot
• Define and implement microservices architecture patterns and best practices
• Design and configure API Gateway solutions for secure service communication
• Develop scheduler-based batch and operational jobs
• Lead architecture discussions and future‑state system design
• Drive modernization initiatives, including monolith‑to‑microservices migration
• Collaborate across multiple teams in large transformation programs
• Leverage AI‑assisted development tools (e.g., GitHub Copilot)

Must‑Have Technical Skills (Mandatory)

• Hands‑on expertise with Spring Boot
• Strong knowledge of Microservices Architecture & Design Patterns
• Experience with API Gateway implementation
• Experience with TIBCO EMS / JMS
• Experience with Scheduler frameworks (Quartz or similar)
• Enterprise System Design / Architecture experience

Must‑Have Domain Experience (Mandatory)

• Experience in Energy / Utilities / Electricity domain
• Understanding of real‑time operational systems / grid management
• Familiarity with ISO (Independent System Operator) or regulated utility environments

Must‑Have Architecture & Modernization Experience

• Proven experience modernizing enterprise applications
• Strong experience migrating legacy monoliths to microservices
• Ability to evaluate architecture options and define target‑state solutions
• Experience mentoring engineering teams

• Experience in large‑scale transformation programs
• Strong stakeholder management and cross‑team collaboration
• Ability to manage technical dependencies across multiple workstreams

Nice to Have

• Experience in Canadian energy markets / utility organizations
• Knowledge of enterprise integration patterns
• Exposure to AI‑assisted coding tools such as GitHub Copilot