Location: Ottawa, ON, Hybrid, 12 days on-site per month
Language: Strong written and spoken English required
Duration: 1.5-year contract to start
Background Check Requirement: Must hold a valid Reliability Clearance

About the Opportunity
Altis is partnering with a large public sector organization seeking a Senior Developer to support Master Data Management and Transaction Management Systems within a complex enterprise environment. This role is ideal for a hands-on developer who thrives in large-scale systems and enjoys working across modern and legacy technologies.

You will join a collaborative Scrum team, working closely with technical leads, architects, and product owners to support critical data platforms and modernization initiatives. From cloud migration to integration transformation, your work will directly contribute to improving system performance, scalability, and reliability across the organization.

What’s In It for You
This is an opportunity to work on high-impact enterprise systems within a structured and collaborative environment. You will gain exposure to cloud migration initiatives, modern microservices architecture, and large-scale data platforms, while contributing to meaningful transformation efforts.

If you enjoy solving complex technical challenges, working across diverse technologies, and playing a key role in modernization projects, this role offers both depth and variety.

Your Responsibilities
• You’ll act as a senior technical contributor within Agile Scrum teams, supporting development and technical decision-making.
• You’ll support Azure cloud migration initiatives, including application and integration transitions and post-migration stabilization.
• You’ll modernize and migrate integration platforms, including transitioning MuleSoft flows to Spring Boot-based microservices.
• You’ll provide advanced support for Markit EDM solutions, including upgrades, integrations, and vendor coordination.
• You’ll contribute to DevOps practices, including CI/CD pipelines, deployment automation, and version control strategies.
• You’ll support production systems through troubleshooting, performance tuning, and root cause analysis.
• You’ll develop and maintain technical documentation, design artifacts, and operational runbooks.

Skills and Qualifications
• 7+ years of hands-on software development experience within enterprise environments.
• 5+ years of experience supporting Markit EDM (COTS) solutions, including complex integrations and upgrades.
• 5+ years of experience supporting Azure cloud migrations for enterprise applications.
• Strong experience with Java and Spring Boot, including microservices architecture.
• Experience modernizing integration platforms such as MuleSoft to custom-built services.
• Hands-on experience with enterprise messaging platforms such as IBM MQ or Red Hat AMQ.
• Strong SQL and database performance optimization skills.
• Experience with DevOps tools and practices, including Git, CI/CD pipelines, and automated deployments.
• Familiarity with .NET and IIS in mixed-technology environments.
• Understanding of financial markets, securities, and reference data domains is considered an asset.

Why Partner with Altis
If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.

We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals. All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.