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ADGA Group

Senior Software Developer

Ottawa, ON, Canada

Pay: $100,000 to $125,000 CAD / year
Job type: Full-time
Apply by: Oct 30, 2026
Experience: A minimum of 10 years of demonstrated professional experience as a Programmer, Software Developer, Software Engineer, or in a similar software development role.
Posting language: English
Posted: Sep 30, 2026

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Original job description

ADGA Group is a Canadian-owned defence and security company that provides integrated, mission-critical technical solutions to Government and industry, specializing in C5ISRT, simulation and training, cyber and infrastructure security, and program delivery. With nearly 60 years of experience, ADGA supports federal clients and Canada’s intelligence and enforcement agencies through embedded teams, advisory services, and full project execution, applying deep operational expertise and innovation to strengthen national safety, resilience, and sovereignty. Guided by a strong social mandate, the company creates meaningful employment for veterans of the CAF and RCMP and other professionals committed to public service, while fostering a safe, inclusive, and agile workplace that supports career development, professional growth, and impactful work across Canada.

Job Description

ADGA is seeking experienced Senior Programmers / Software Developers to lead the design, development, implementation, and maintenance of complex software applications and systems.

The successful candidates will bring extensive hands-on software development experience and a strong understanding of the full software development lifecycle. Working within multidisciplinary technical teams, they will analyze complex requirements, develop scalable software solutions, resolve technical challenges, contribute to technical decision-making, and ensure software products meet established quality, security, performance, and maintainability standards.

This role is suited to senior software professionals who can work independently on complex technical problems while collaborating effectively with system architects, quality assurance specialists, project managers, and other stakeholders. The successful candidates will play a key role in delivering reliable, secure, and maintainable software solutions in support of complex technical environments.

This is a proactive recruitment initiative, with potential start dates in the coming weeks or months, contingent on contract award.

Key Responsibilities

Review, analyze, and provide recommendations on software system and subsystem requirements, architecture, and interface documentation.
Design, develop, and implement complex software applications, modules, and services in accordance with approved specifications and technical standards.
Analyze user and business requirements and translate them into functional and technical software solutions.
Develop and maintain high-quality, scalable, secure, and maintainable code using appropriate programming languages, frameworks, and development tools.
Conduct and contribute to code reviews to ensure adherence to coding standards, quality, security, performance, and maintainability requirements.
Debug, troubleshoot, and resolve complex software defects and technical issues across development, testing, and production environments.
Design and execute unit, integration, and system testing to validate software functionality, performance, and reliability.
Collaborate with system architects, QA analysts, project managers, and other technical stakeholders to ensure successful delivery of software solutions.
Prepare and maintain technical documentation, including design documents, test plans, user guides, administrator guides, and release notes.
Participate in technical, design, and management reviews to monitor progress, identify risks, resolve issues, and recommend corrective actions.
Analyze software system deficiencies and recommend scalable, maintainable, and cost-effective solutions.
Support the deployment, configuration, maintenance, and ongoing enhancement of software systems.
Work with version control systems and CI/CD processes to support efficient, reliable, and repeatable software development and deployment.
Ensure compliance with applicable security, privacy, regulatory, and software development requirements.
Research, evaluate, and recommend emerging technologies, tools, frameworks, and best practices.
Contribute to the continuous improvement of software development processes, tools, standards, and system capabilities.
Provide technical guidance and knowledge sharing to other members of the development team as required.

Qualifications

A minimum of 10 years of demonstrated professional experience as a Programmer, Software Developer, Software Engineer, or in a similar software development role.
Demonstrated experience performing a minimum of six of the core software development responsibilities associated with this position.
Extensive experience reviewing and analyzing software requirements, architecture, and interface documentation.
Extensive experience designing, developing, implementing, and maintaining software applications, modules, or services.
Experience translating complex user and business requirements into functional and technical software solutions.
Strong hands-on programming experience using modern programming languages, frameworks, and development tools.
Demonstrated experience conducting code reviews and applying software engineering standards and best practices.
Experience debugging, troubleshooting, and resolving complex software defects across development, testing, and production environments.
Experience designing and executing unit, integration, and system testing.
Experience working collaboratively within multidisciplinary technical teams.
Experience preparing and maintaining detailed technical documentation.
Strong experience using version control systems.
Experience working with CI/CD pipelines and modern software deployment practices.
Knowledge of secure software development principles and security and privacy considerations.
Demonstrated ability to analyze complex technical problems and recommend practical, scalable, and maintainable solutions.
Strong analytical, problem-solving, communication, and collaboration skills.

Additional Information

Must currently hold or be eligible to obtain and maintain a Secret (Level II) Canadian Federal Government Security clearance, VCR’s and Controlled Goods clearances.
- If you do not currently hold the required security clearance ADGA can initiate the clearance process on your behalf; however, you will not be eligible for hire until the clearance has been successfully obtained.
The posted salary reflects an employee compensation model; consultant rates will be adjusted accordingly. We will consider candidates for either employment or consultant arrangements. Consultants will be required to hold a Controlled Goods clearance and Insurance.

If you require accommodations during any stage of the application or interview process, please let us know. We are happy to work with you to meet your needs.

*Our recruitment systems include artificial intelligence–enabled tools; however, AI is not used to screen, evaluate, or make decisions about applicants for this role.

*Unless otherwise stated, all job postings reflect a current vacancy at the time of publication.

Work-Life Balance

We strongly support a healthy and productive work-life balance. This starts with a flexible approach to work, and policies designed to support employees through their day-to-day routines and major life events. For example, we offer a Maternity/Parental Top-Up (up to 52 weeks) and a Reservist Leave Top-Up (up to 180 days).

Belong@ADGA

ADGA continuously strives to integrate advanced Diversity, Equity & Inclusion (DEI) approaches and practices into our work culture. Our employee-based DEI Committee explores activities and invites discussions that foster an environment where all employees feel valued, respected, and heard.

Compensation

Above and beyond our commitment to offer a competitive base salary, ADGA has a company-wide profit-sharing plan for all full-time and part-time employees.

Comprehensive Benefits and Total Rewards

We offer a comprehensive benefit program, providing employees with the choice between base or enhanced plans. Depending on the plan, ADGA pays for Health & Dental, a Health Spending Account, Short-Term Disability, an Employee Assistance Program, and a Telemedicine service. Also offered: discounts on gym memberships, 5,000+ perks through Perkoplis, a Deferred Profit Sharing Plan, and access to a wide range of other employee-centric services and savings programs.

Apply About employer

More about this job

Responsibilities

Design, develop, implement, test, maintain, and enhance complex software applications and systems, ensuring they meet quality, security, performance, and maintainability standards. Collaborate with multidisciplinary teams, resolve technical issues, document solutions, support deployment, and contribute to technical decisions and continuous improvement.

Requirements

Requires at least 10 years of professional software development experience, including extensive hands-on programming and experience with software requirements, architecture, implementation, testing, code reviews, and technical documentation. Candidates should have strong version control and CI/CD experience, knowledge of secure development practices, and the ability to solve complex problems and collaborate effectively; Secret Level II clearance or eligibility, VCRs, and Controlled Goods clearance are also required.

Skills

Software Development
Requirements Analysis
Software Architecture
Programming
Code Review
Debugging
Unit Testing
Integration Testing
System Testing
Version Control
CI/CD
Secure Software Development
Technical Documentation
Problem-Solving
Team Collaboration
Technical Guidance

Benefits

Maternity/Parental Leave Top-Up
Reservist Leave Top-Up
Profit-Sharing Plan
Health Insurance
Dental Insurance
Health Spending Account
Short-Term Disability
Employee Assistance Program
Telemedicine
Gym Membership Discounts
Employee Discounts
Deferred Profit Sharing Plan

Visa sponsorship

Not detected in the job text

Keywords

Software Development
Software Engineering
Software Requirements
Software Architecture
Interface Documentation
Programming Languages
Frameworks
Development Tools
Code Reviews
Coding Standards
Debugging
Unit Testing
Integration Testing
System Testing
Version Control
CI/CD
Secure Software Development
Security Clearance
Secret Level II
Controlled Goods
VCRs
Software Deployment
Technical Documentation
Quality Assurance
System Integration
Performance
Maintainability
Government
Defence and Security
C5ISRT

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