Senior Developer

Ontario - Canada

Monthly Salary: Not Disclosed

Posted on: 3 days ago

Vacancies: 1 Vacancy

Job Summary

Position Overview

Calian Operational and Training Technologies Solutions (COTTS) formerly SimFront Simulation Systems is an Ottawa based company dedicated to the delivery of simulation related products and software development services to the military and defence sector.

We are seeking a senior Java developer to join our operations and training technology team. This role requires expertise in Java-based systems and strong general problem-solving skills. The job will require participation in the full SDLC working with multiple teams across multiple products in the military training and operational domains. This position is currently a hybrid position requiring up to three days a week in the office.

Responsibilities

Contributes to proposals by developing technical solutions and associated estimates.

Writing technical descriptions.

Develops and documents requirements.

Develops designs of external interfaces.

Develops high level and low-level software designs.

Acts as a top-level technical contributor on the implementation integration and test of the software.

Performs code reviews.

Develops and performs tests.

Interacts with customers as directed.

Works as part of a team. Gets help from other team members when necessary. Helps others including mentoring less experienced staff by providing guidance and constructive criticism. Accepts constructive feedback from team members about work output.

Estimates and gives feedback schedules for assigned tasks.

Performs work with a high degree of latitude following best practices.

Scopes tasks to fit within a schedule.

Handles the most complex issues.

Possesses expert knowledge of software development area.

Takes ownership that the system under development meets the customer needs.

Identifies project risks and strategies to mitigate risks.

Qualifications

Four-year bachelors degree in computer science engineering or a related field or three-year bachelors degree or equivalent plus one year of relevant experience or two-year diploma in computer technology plus two years of relevant experience.

10 years of experience in Java development.

Located in the Ottawa area or willing to relocate to the Ottawa area.

Core Java expertise.

Excellent problem-solving debugging and performance optimization skills.

Excellent oral and written communications skills. The successful Applicant will be required to articulate challenges designs and propose solutions.

Currently holds or is eligible to hold a Level 2 secret clearance.

Is eligible to handle Canadian Controlled Goods.

Additional Requirements

Experience developing software for military defense or emergency services.

Experience with git Maven Gitlab.

Experience with NetBeans IntelliJ.

Active security clearance (Secret or higher).

Experience with Microservice development.

Job Title: Senior Developer

Requisition Number: 2062

Date: 11 November 2025

Location: Ottawa ON

Remote: No

Business Unit: Learning

Department 1: Learning Solutions

Department 2: Defence

Job Type: Full-time

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Required Experience:

Senior IC

Position OverviewCalian Operational and Training Technologies Solutions (COTTS) formerly SimFront Simulation Systems is an Ottawa based company dedicated to the delivery of simulation related products and software development services to the military and defence sector.We are seeking a senior Java d...