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Added 8 hours ago
TT
NetReveal Developer
Tundra Technical Solutions
Toronto, ON
- $80 to $100 CAD / hour
- Contract
Our client is seeking a NetReveal Developer / Configurator to join an Agile technology team responsible for enhancing and expanding a fraud case management platform.
Added 9 hours ago
TI
Delivery Lead
Techpros IT Solutions Inc.
Toronto, ON
- Contract
…team specializes in Salesforce, DevOps, Salesforce DevOps, Java, Spring Boot, Hibernate, Full Stack, and MEAN Stack development, as well as solution architecture. The company focuses on…
Added 12 hours ago
LI
Software Developer - Full Stack - Senior
Lotus IT Solutions
Toronto, ON
- Contract
…Community Services Cluster, is seeking a Senior Full Stack Software Developer for an onsite engagement in Toronto. The successful consultant will design, develop, and maintain…
Added 12 hours ago
K
Senior Software Engineer – DevTest / QA Automation
Kaseya
Toronto, ON
- Full-time
Write production-quality code to automate functional, integration, regression, API, and system-level testing.
Added 13 hours ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Server-side languages: C#/.NET, Java, Python, PHP
Added 17 hours ago
RD
WebMethods Developer
Randstad Digital
Toronto, ON
- Contract
IBM WebMethods - Integration Server, Designer, Trading Networks, API Gateway, and Universal Messaging.
Added 18 hours ago
M
Senior Software Engineer - Customer Portfolio Enablement
Marqeta
Remote, Canada
- Full-time
- Remote
Work across workflow orchestration tooling (e.g., Airflow, AWS Step Functions) to stitch together multi-step processes and API-driven pipelines.
Added 20 hours ago
I
Software Engineer
Insight
Remote, Canada
- Full-time
- Remote
…them. This role is ideal for a full-stack engineer with solid Java and Spring Boot fundamentals and hands-on frontend experience who takes ownership of the work in front of them, fixes…
Added 20 hours ago
J
Sr. Developer - Application Development JAVA N 4B
Jobgether
Canada
- Full-time
…applications and next steps. Our partner is looking for a Sr. Developer – Application Development JAVA N 4B based in…
Added 20 hours ago
PS
Software developer
Profit Solutions International Inc.
Milton, ON
- $50,000 to $80,000 CAD / year
- Full-time
- Hybrid
Added 21 hours ago
J
Sr. Developer - Application Development JAVA N 4B
Jobgether
Canada
- Full-time
…applications and next steps. Our partner is looking for a Sr. Developer – Application Development JAVA N 4B based in…
Added 21 hours ago
RB
Principal Enterprise Architect
Royal Bank of Canada
Toronto, ON
- Full-time
Minimum of 12 years of experience in Microsoft .NET platform development or Java/Linux development.
Added 22 hours ago
X
Lead Engineer - Payments Platform
Xero
Remote, Canada
- Full-time
- Remote
Integrating and championing artificial intelligence capabilities to accelerate engineering productivity and enhance developer workflows
Added 23 hours ago
IF
Senior Software Developer (Guidewire/Java/Angular) Bilingual (FR/EN)
Intact FC
Montreal, QC · Quebec, QC · Saint-Hyacinthe, QC
- Full-time
…Intact companies and provinces, we are looking for a Guidewire Developer to support the migration of the Guidewire BillingCenter platform to Guidewire’s Cloud SaaS version.This position is…
Added 23 hours ago
D
Developer
Dexian
Toronto, ON · Greater Toronto Area, Canada
- Contract
We are looking for an experienced Software Developer V to join a collaborative technology team supporting software development, project delivery, and day-to-day application support within a…
Added 1 day ago
UT
Java Full Stack Developer #26-25630
US Tech Solutions
Toronto, ON
- $75 to $80 USD / hour
- Contract
We are looking for an experienced Senior Java Full Stack Developer to support application development, enhancements, production support, and technology projects within an enterprise…
Added 1 day ago
PF
Full Stack Engineer
PEOPLE FORCE CONSULTING INC
Quebec, QC
- Contract
People Force is looking for a Senior Full Stack Developer – Angular for a 1 year contract role with one of our client. This position is a hybrid position with onsite presence at our…
Added 1 day ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Server-side languages: C#/.NET, Java, Python, PHP
Added 1 day ago
RL
Quality Test Engineering Specialist
Romet Limited
ON · Mississauga, ON
- Full-time
Strong knowledge of software QA methodologies, tools, and processes. UI/CLI/API and DB test
Added 1 day ago
ZC
Automation Engineer
Zurich Canada
Toronto, ON
- Full-time
Support UI, API, regression, smoke, and integration testing activities.
Added 1 day ago
GM
Senior Software Developer
General Motors
Markham, ON · Oshawa, ON
- Full-time
General Motors is seeking a Senior Software Developer to build and evolve the software platforms that support production mapping, Data Over the Air (DOTA) Back Office capabilities, and…
Added 1 day ago
GM
Senior Software Engineering, Vehicle Data Platform
General Motors
Markham, ON · Oshawa, ON
- Full-time
Develop libraries, apps, and services for the SDK, and write the API documentation and examples that application teams use to adopt it.
Added 1 day ago
OT
Lead Software Developer
Open Text Corporation
Richmond Hill, ON
- Other
We are expanding our Voltage SecureData development team and looking for a hands-on Lead Software Developer to build and enhance secure, scalable cryptographic libraries, SDKs, and platform…
Added 1 day ago
M
Sr. Software Developer
McKesson
Mississauga, ON
- Full-time
● Design, develop, and maintain scalable full-stack applications using Java, Python, React, REST APIs, API-first architecture, MongoDB, and PostgreSQL.
Added 1 day ago
EN
Senior Forward Deployed Engineer (10570) Toronto, Canada
Extreme Networks
Toronto, ON
- Full-time
Strong hands-on software development experience with proficiency in one or more general-purpose programming languages such as Python, Java, Go, TypeScript, C#, or C++.

McKesson

Sr. Software Developer

Mississauga, ON, Canada

$99,100 - $132,100 · Full-time

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Job details

Pay: $99,100 - $132,100
Job type: Full-time
Apply by: Feb 2, 2027
Experience: ● 7+ years of professional software engineering experience, including enterprise-scale application development.
Posting language: English
Posted: Oct 8, 2026

Original job description

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care.

What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you.

About the Role

McKesson is seeking a Sr. Software Developer to design, build, and scale modern software solutions that support healthcare technology innovation. In this role, you will help deliver secure, reliable, and scalable applications across cloud-native platforms while contributing to AI-enabled engineering practices, multi-agent systems, LLM applications, and automation across the software development lifecycle.

You will work across engineering, architecture, product, security, and platform teams to develop API-first services, improve system reliability, and modernize application delivery using Azure, Kubernetes, event-driven patterns, DevSecOps, and AI-augmented development practices.

What You’ll Do

Design, develop, and maintain scalable full-stack applications using Java, Python, React, REST APIs, API-first architecture, MongoDB, and PostgreSQL.

Build and enhance AI-enabled applications using LLMs, RAG patterns, agentic workflows, and multi-agent system design.

Architect and deliver cloud-native solutions using Microsoft Azure, Kubernetes, containers, microservices, and event-driven systems.

Lead technical design discussions and help define software architecture, engineering standards, and reusable development patterns.

Improve CI/CD pipelines, DevSecOps practices, test automation, monitoring, and platform automation.

Troubleshoot complex production and non-production issues; analyze root causes and recommend long-term solutions.

Partner with cross-functional teams to deliver secure, compliant, reliable, and maintainable software in a regulated enterprise environment.

Mentor engineers through code reviews, technical guidance, and shared best practices.

Basic Requirements

7+ years of professional software engineering experience, including enterprise-scale application development.

Experience building applications with Java, Python, React, JavaScript/TypeScript, REST APIs, or related full-stack technologies.

Experience designing, developing, and optimizing database solutions using MongoDB, PostgreSQL, relational data models, document databases, query optimization, indexing, and data integration patterns.

Hands-on experience with cloud-native architecture, preferably Azure, Kubernetes, containers, microservices, or serverless patterns.

Hands-on experience with AI-assisted software development or agentic coding tools and practices, including Claude Code, GitHub Copilot, code analysis, automated test generation, documentation support, and developer productivity workflows.

Experience designing or integrating APIs, distributed systems, event-driven services, or enterprise integrations.

Experience with CI/CD pipelines, DevOps or DevSecOps practices, Git-based workflows, automated testing, and release processes.

Experience applying secure coding, software quality, scalability, reliability, and maintainability practices.

Experience working in Agile delivery environments with product, architecture, security, and operations partners.

Bachelor’s degree in Computer Science, Engineering, Information Technology, or related field, or equivalent experience.

Preferred Skills/Experience

Experience building AI applications using LLMs, RAG, vector databases, prompt engineering, orchestration frameworks, or agentic AI patterns.

Experience with multi-agent systems, autonomous workflows, AI copilots, or AI-assisted automation.

Experience with Azure services, Kubernetes operations, event streaming, messaging platforms, or API gateways.

Experience with MongoDB, PostgreSQL, database performance tuning, schema design, indexing strategies, data migration, and secure data access patterns.

Experience contributing to open-source frameworks, internal developer platforms, reusable libraries, or engineering accelerators.

Experience with observability tools, infrastructure as code, policy-as-code, SRE practices, or platform engineering.

Experience applying AI-assisted software development and agentic coding capabilities across the SDLC, including code generation, code review, repository analysis, test automation, documentation, risk detection, and developer productivity improvement.

Experience working in healthcare, regulated technology, security-conscious, or compliance-driven environments.

Travel / Work Environment / Physical Requirements

Work model may be remote, hybrid, or office-based depending on business and team needs.

Occasional travel may be required for team collaboration, planning, or business meetings.

Ability to work at a computer for extended periods in a standard office or remote-work environment.

We are proud to offer a competitive compensation package at McKesson as part of our Total Rewards. This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. The pay range shown below is aligned with McKesson's pay philosophy, and pay will always be compliant with any applicable regulations. In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered. For more information regarding benefits at McKesson, please click here.

Our Base Pay Range for this position

$99,100 - $132,100

McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind:

McKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application.

McKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates.

McKesson job postings are posted on our career site: careers.mckesson.com.

McKesson is an Equal Opportunity Employer

McKesson provides equal employment opportunities to applicants and employees, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, genetic information, or any other legally protected category. For additional information on McKesson’s full Equal Employment Opportunity policies, visit our Equal Employment Opportunity page.

McKesson is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including job seekers with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, please contact us by sending an email to (United States) Disability_Accommodation@McKesson.com or (Canada) Accessibility@mckesson.ca. Resumes or CVs submitted to this email box will not be accepted.

Join us at McKesson!

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More about this job

Responsibilities

Design, build, and scale modern software solutions while contributing to AI-enabled engineering practices and multi-agent systems. Collaborate with cross-functional teams to deliver secure, reliable, and scalable applications across cloud-native platforms.

Requirements

Requires 7+ years of professional software engineering experience with expertise in full-stack technologies and cloud-native architecture. Candidates must have experience with AI-assisted development, database optimization, and working in regulated enterprise environments.

Skills

Java
Python
React
Azure
Kubernetes
MongoDB
PostgreSQL
LLMs
RAG
Microservices
DevSecOps
API-first architecture
CI/CD
Event-driven systems
Cloud-native architecture
Multi-agent systems

Benefits

Annual bonus
Long-term incentive opportunities

Visa sponsorship

Not detected in the job text

Keywords

Java
Python
React
Azure
Kubernetes
MongoDB
PostgreSQL
LLMs
RAG
Microservices
DevSecOps
API-first architecture
CI/CD
Event-driven systems
Cloud-native architecture
Multi-agent systems
TypeScript
JavaScript
REST APIs
Agile
Observability
Infrastructure as Code
SRE
Software Engineering
Healthcare Technology
Automation
Git
Containerization
Serverless
Prompt Engineering

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