Senior Software Developer - Full Stack

We are seeking a Senior Full-Stack Developer to lead the technical modernization and integration of the legacy AERO platform. This role is a strategic bridge between legacy codebases and modern development standards. You will be responsible for refactoring older systems while implementing cutting-edge Dev Ops practices and CI/CD pipelines. This position requires a high degree of technical leadership, including the ability to perform deep root-cause analysis and mentor junior programmers in building secure, scalable, and maintainable code.

Pay Rate: $478.19- $515.08/Diem

Advantages
- Own the modernization roadmap for a mission-critical platform, deciding the best path between refactoring and selective rewrites.

- Drive the adoption of automated workflows and CI/CD best practices in a complex, multi-tiered environment.

- Shape the next generation of developers by establishing coding guidelines and fostering a collaborative, knowledge-sharing culture.

- Work at the unique intersection of object-oriented legacy frameworks and modern web-based REST services.

Responsibilities
- Analyze, refactor, and modernize legacy codebases while preserving critical business logic. Collaborate on "update vs. rewrite" strategies to ensure long-term system sustainability.

- Design and construct REST API services and integrate them with front-end UI. Ensure the entire stack is optimized for speed, scalability, and security.

- Lead the maintenance of CI/CD pipelines using Azure Dev Ops and Git Hub Actions. Implement automated workflows for building, testing, and deploying across multiple environments.

- Perform extensive technical investigations into system gaps and performance bottlenecks, presenting viable solution paths with detailed risk assessments.

- Develop and maintain unit tests using frameworks such as MSTest, NUnit, or xUnit. Enforce coding standards through rigorous code reviews and developer QA support.

- Produce high-level architecture diagrams, technical specifications, and API documentation. Ensure all changes align with established organizational standards.

- Establish coding guidelines and foster team collaboration. Monitor the work of junior developers, providing technical guidance and performance feedback.

Qualifications
- Proven software development history, with a focus on adapting and modernizing legacy systems.

- Deep proficiency in , C#, Oracle PL/SQL, and the  Framework.

- Hands-on experience with Azure Dev Ops or Git Hub Actions, complemented by Power Shell or Bash scripting.

- Strong understanding of software architecture patterns, the full SDLC, and Agile methodologies (Scrum/RAD).

- Knowledge of accessibility standards (e.g., AODA) and experience implementing "Internet-ready" secure applications.

- Post-secondary education in Computer Science, Software Engineering, or a related field.

- Azure Developer Associate, Oracle Certified Professional, or Dev Ops Engineer Expert.

Summary
If you are a Senior Developer who thrives on technical puzzles, enjoys deep-diving into legacy logic to find modern solutions, and has the leadership skills to guide a team through a digital transformation, we encourage you to apply today!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming;
Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to  to ensure their ability to fully participate in the interview process.