Senior Full Stack Developer (Hybrid | Downtown Toronto)

Mosaic Clinical Technologies; Toronto; Hybrid; CAD 200,000 - 250,000; Full time

Benefits offered by this job

Flexible remote schedules

Generous PTO and holidays

Great Place to Work certification

Job summary

Mosaic Clinical Technologies in Toronto, Ontario, is seeking an experienced Senior Software Engineer to design and maintain cloud-native infrastructure and AI-enabled services that integrate with DICOM, HL7/FHIR, and EHR systems. You will work with Data Science to productionize ML pipelines and champion best practices in healthcare-compliant software development.

The role emphasizes backend development, microservices, and building scalable REST APIs, with hybrid work arrangements and

Qualifications

• Bachelor's degree in Computer Science or related field; graduate degree preferred.
• 5+ years of professional software development with backend focus using C#/.NET Core.
• Experience building and deploying cloud-native applications on AWS; Terraform, CI/CD, and observability best practices.
• Designing scalable microservices and REST APIs; PostgreSQL; healthcare data interfaces (DICOM/HL7/FHIR) with HIPAA and SOC 2.
• Hands-on experience integrating AI models into production; collaboration with stakeholders in agile teams.

Responsibilities

• Design, build, and maintain cloud-native infrastructure, microservices, and APIs for scalable AI model deployment.
• Partner with Data Science and AI teams to productionize data and ML pipelines.
• Establish engineering best practices across code quality, testing, CI/CD, observability, and healthcare compliance.
• Lead technical execution through code reviews, architecture guidance, troubleshooting, and mentoring.
• Collaborate with product managers and clinical stakeholders to improve workflows and patient care outcomes.
• Drive continuous improvement of deployed AI systems and contribute to workshops and travel as needed.

Skills

Backend development

Agile teamwork

Code reviews and mentoring

Software architecture

Education

Bachelor's degree in CS/related field

Tools

AWS

Terraform

CI/CD

Observability

DICOM/HL7/FHIR integrations

Job description

Mosaic Clinical Technologies (Canada), Inc.™ is pioneering a new imaging paradigm- shifting radiology from reactive diagnostics to proactive, decision-driven care. Through our AI-native platform, MosaicOS™, we unite fragmented technologies into a single, intelligent ecosystem designed to help clinical teams work faster, think smarter and deliver better care.

Built cloud-native and designed for continuous iteration, MosaicOS™ is engineered to solve the industry’s most pressing challenges. Our platform expands clinical capacity, improves diagnostic quality by combining human expertise with AI, and turns operational complexity into strategic advantage through seamless integration or replacement of legacy imaging systems.

Every AI tool within MosaicOS™ is validated across tens of millions of exams to ensure safe, reliable and meaningful clinical impact. With a ransomware-resistant design and built-in redundancy, our platform is designed to ensure continuity of care and protect both patients and operations.

Mosaic Clinical Technologies (Canada), Inc.™ is building technology that evolves with clinicians to advance clinical excellence and improve patient outcomes. If you're passionate about shaping the future of medical imaging, join us!

POSITION SUMMARY:

• Design, build, and maintain cloud-native infrastructure, microservices, and APIs that support scalable AI model deployment and integrate with DICOM, HL7/FHIR, EHR, and radiology systems.
• Partner with Data Science and AI teams to develop, optimize, and productionize end-to-end data and machine learning pipelines from research through clinical deployment.
• Establish and champion engineering best practices across AI-assisted development, code quality, testing, CI/CD, observability, documentation, and healthcare compliance requirements.
• Lead technical execution through code reviews, architectural guidance, troubleshooting, production monitoring, and mentoring of software engineers.
• Collaborate with product managers, clinical stakeholders, and cross-functional teams to deliver solutions that improve clinical workflows, operational efficiency, and patient care outcomes.
• Drive continuous improvement of deployed AI systems through enhanced testability, monitoring, traceability, agile development practices, and occasional international travel for workshops, training, and support.
• Toronto, Ontario hybrid role; occasional international travel may be required for onsite workshops, training, or support.

DESIRED PROFESSIONAL SKILLS AND EXPERIENCE:

• Authorized to work in Canada - Hybrid position in Downtown Toronto, Canada.
• Bachelor's degree (or equivalent experience) in Computer Science, Software / Data Engineering, or related field, Graduate degree preferred
• 5+ years of professional software development experience, with exposure to product or platform delivery; strong proficiency in backend development using C# and the latest .NET Core frameworks, this role is weighted toward back end work.
• Strong experience building and deploying cloud-native applications on AWS (Lambda, SageMaker, Bedrock, API Gateway, Aurora, IAM, VPC), leveraging Terraform, CI/CD automation, and observability best practices.
• Proficiency in designing scalable microservices, REST APIs, PostgreSQL-based solutions, and integrations with healthcare systems using DICOM, HL7/FHIR, while ensuring HIPAA and SOC 2 compliance.
• Hands-on experience integrating AI models into production environments, utilizing AI-assisted development tools (GitHub Copilot, Claude), and collaborating effectively with both technical and non-technical stakeholders in agile teams.

WHY MOSAIC CLINICAL TECHNOLOGIES:

• Competitive Benefits package - Eligibility starts the month after hire, with tiered options to choose from.
• Flexible Remote Schedules
• Generous PTO Plans and Paid Holidays
• Proudly Certified as a Great Place to Work for Five Consecutive Years

POSITION DETAILS AND ACCOMMODATIONS:

EMPLOYMENT TYPE: Full Time

VACANCY STATUS: Newly Created

COMPENSATION:

The salary range for this position is CAD $200,000.00 - CAD $250,000.00. Final determinations may vary based on several factors including but not limited to education, work experience, certifications, geographic location etc. This role is also eligible for an annual discretionary bonus. In addition to this range, Radiology Partners offers competitive total rewards packages, which include health & wellness coverage options, Registered Retirement Savings Plan (RRSP) with a competitive company match, and a broad range of other benefits such as family planning and telehealth (all benefits are subject to eligibility requirements).

Mosaic Clinical Technologies is an equal opportunity employer. MCT is committed to being an inclusive, safe and welcoming environment where everyone has equal access and equitable resources to reach their full potential. We are united by our Mission to Transform Radiology and in turn have an important impact on the patients we serve and the healthcare system overall. We hold that diversity is a key source of strength from which we will build a practice culture that is inclusive for all. Our goal is to empower and engage the voice of every teammate to promote awareness, compassion and a healthy respect for differences.

CCPA Notice: When you submit a job application or resume, you are providing Mosaic Clinical Technologies with the following categories of personal information that the Company will use for the purpose of evaluating your candidacy for employment: (1) Personal Identifiers; and (2) Education and Employment History. Mosaic Clinical Technologies participates in E-verify.