Senior Developer - Health

Aon; Toronto; On-site; CAD 80,000 - 120,000; Full time

Job summary

Aon is seeking a Senior Developer - Health to lead in the development of innovative solutions for their Health business. This role involves creating secure, high-performance applications using C# and .NET while collaborating extensively with stakeholders. The successful candidate will shape key technological decisions and mentor team members, thriving in a dynamic environment that promotes both personal and professional growth.

Benefits

Comprehensive benefits package

Global Wellbeing Days

Flexible working solutions

Continuous learning opportunities

Qualifications

• Experience with C# and .NET development.
• Strong collaboration and communication skills.
• Ability to work with various technologies and frameworks.

Responsibilities

• Create solutions and mentor development resources through the implementation lifecycle.
• Design secure, high-performance applications.
• Collaborate with technical architects and teams to align solutions.

Skills

C#

.NET Framework

Web APIs

Application Security

Performance tuning

Creative problem-solving

Collaboration

Software Development

Education

Bachelor's degree in Computer Science or related field

Tools

SQL Server

Angular

GIT

Bootstrap

KendoUI

ADO CI/CD

Azure

Job description

Are you ready to lead in the development of cutting-edge solutions which drive the growth of Aon’s Health business? Do you have experience solving complex challenges utilising Microsoft technologies such as C# .NET? If yes, please read on!

Applicants must be legally authorized to work in Canada. This role is not eligible for sponsorship, and we are unable to sponsor or take over sponsorship of an employment visa or work permit.

Aon is in the business of better decisions

At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organization, we are united through trust as one inclusive team and we are passionate about helping our colleagues and clients succeed.

What the day will look like

Primary Responsibilities

• Create solutions and mentor development resources through the implementation lifecycle.
• Support continuous development of best practices within the team.
• Own the technical decisions of the implementation but invite input through a collaborative and team-based approach.
• Stay abreast with technology trends, organizational decisions, standards and solution designs of other domains to provide effective decision making.
• Design or develop proof-of-concept solutions to validate a technical approach or a technology.
• Validate the business briefs during discovery and/or pre-inception phases of a project.
• Assess architecture risks, project/product fit into the overall landscape and strategy, as well as size level of effort to ensure informed decision making.
• Understand existing enterprise assets, such as frameworks, patterns and subsystems, and ensuring that the teams use them where appropriate.

Key Stakeholder Interactions

• Create appropriate technical solutions within the domain by partnering with the business owners and other development team members.
• Partner with a technical architect to align solutions to the strategic direction of the platform.
• Collaborate, influence and provide leadership in all aspects of software development.

How this opportunity is different

As a Senior Developer - Heath, you will shape the future of our client relationships while driving innovation within a leading global firm. We're seeking owners of technical decisions, collaborators with key stakeholders, and innovators across our projects.

In this role, you'll design secure, high-performance applications, evaluate third-party vendors, and ensure alignment with strategic goals. If you're passionate about architecture, thrive under pressure, and excel at collaborating across all levels, this is the perfect opportunity to make a significant impact.

Skills and experience that will lead to success

• Collaborator at all levels (Exec, leadership team, tech leaders, development teams)
• Knowledgeable of architecture and design patterns
• Experience of developing large scale multi-tier applications with a mixture of modern and legacy technologies.
• Handling globalization, multi-language, multi-region support
• Curious and motivated to become an expert on existing bespoke platforms
• Demonstrated ability to quickly learn new technologies
• Focus on good architecture practices
• Performance tuning, code and data layer
• Application Security
• Creative problem-solver
• Able to juggle multiple conflicting priorities

Primary Technology

• C#
• .NET Framework 4+ and .NET Core
• Building secure and performant Web APIs
• Mitigating security issues
• EF6 and EF Core+
• SQL Server
• Writing stored procedures

Angular

• Angular (modern 9+ experience)
• Creating dynamic components (ComponentFactory)
• Building npm libraries

Useful Technology

• AngularJS
• Familiar with Bootstrap
• KendoUI knowledge
• GIT branch management
• GIT merging strategies
• GIT filter-repo
• ADO Support with CI/CD pipelines
• ADO Using artifact feeds

How we support our colleagues

In addition to our comprehensive benefits package, we encourage an inclusive workforce. Plus, our agile environment allows you to manage your wellbeing and work/life balance, ensuring you can be your best self at Aon. Furthermore, all colleagues enjoy two “Global Wellbeing Days” each year, encouraging you to take time to focus on yourself. We offer a variety of working style solutions for our colleagues as well.

Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued.

Aon values an innovative and inclusive workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace.

Aon provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, domestic partner status, or other legally protected status.

We welcome applications from all and provide individuals with disabilities with reasonable adjustments to participate in the job application, interview process and to perform essential job functions once onboard. If you would like to learn more about the reasonable accommodations we provide, email [e-mail]

Aon is not accepting unsolicited resumes from search firms for this position. If you are a search firm, you will not be compensated in any way for your submission of a candidate, even if Aon hires that candidate.

#LI-NA1

2561200

Senior Developer - Health

Are you ready to lead in the development of cutting-edge solutions which drive the growth of Aon’s Health business? Do you have experience solving complex challenges utilising Microsoft technologies such as C# .NET? If yes, please read on!

Applicants must be legally authorized to work in Canada. This role is not eligible for sponsorship, and we are unable to sponsor or take over sponsorship of an employment visa or work permit.

Aon is in the business of better decisions

At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organization, we are united through trust as one inclusive team and we are passionate about helping our colleagues and clients succeed.

What the day will look like

Primary Responsibilities

• Create solutions and mentor development resources through the implementation lifecycle.
• Support continuous development of best practices within the team.
• Own the technical decisions of the implementation but invite input through a collaborative and team-based approach.
• Stay abreast with technology trends, organizational decisions, standards and solution designs of other domains to provide effective decision making.
• Design or develop proof-of-concept solutions to validate a technical approach or a technology.
• Validate the business briefs during discovery and/or pre-inception phases of a project.
• Assess architecture risks, project/product fit into the overall landscape and strategy, as well as size level of effort to ensure informed decision making.
• Understand existing enterprise assets, such as frameworks, patterns and subsystems, and ensuring that the teams use them where appropriate.

Key Stakeholder Interactions

• Create appropriate technical solutions within the domain by partnering with the business owners and other development team members.
• Partner with a technical architect to align solutions to the strategic direction of the platform.
• Collaborate, influence and provide leadership in all aspects of software development.

How this opportunity is different

As a Senior Developer - Heath, you will shape the future of our client relationships while driving innovation within a leading global firm. We're seeking owners of technical decisions, collaborators with key stakeholders, and innovators across our projects.

In this role, you'll design secure, high-performance applications, evaluate third-party vendors, and ensure alignment with strategic goals. If you're passionate about architecture, thrive under pressure, and excel at collaborating across all levels, this is the perfect opportunity to make a significant impact.

Skills and experience that will lead to success

• Collaborator at all levels (Exec, leadership team, tech leaders, development teams)
• Knowledgeable of architecture and design patterns
• Experience of developing large scale multi-tier applications with a mixture of modern and legacy technologies.
• Handling globalization, multi-language, multi-region support
• Curious and motivated to become an expert on existing bespoke platforms
• Demonstrated ability to quickly learn new technologies
• Focus on good architecture practices
• Performance tuning, code and data layer
• Application Security
• Excellent communicator
• Creative problem-solver
• Able to juggle multiple conflicting priorities

Primary Technology

• C#
• .NET Framework 4+ and .NET Core
• Building secure and performant Web APIs
• Building nuget libraries / managing dependencies
• Mitigating security issues
• EF6 and EF Core+
• SQL Server
• Good DB design
• Writing stored procedures

Angular

• Angular (modern 9+ experience)
• Handling Web APIs
• RxJs patterns
• Creating dynamic components (ComponentFactory)
• Building npm libraries
• Typescript best practices

Useful Technology

• AngularJS
• Familiar with Bootstrap
• KendoUI knowledge
• GIT branch management
• GIT merging strategies
• GIT filter-repo
• ADO Support with CI/CD pipelines
• ADO Using artifact feeds
• Azure

How we support our colleagues

In addition to our comprehensive benefits package, we encourage an inclusive workforce. Plus, our agile environment allows you to manage your wellbeing and work/life balance, ensuring you can be your best self at Aon. Furthermore, all colleagues enjoy two “Global Wellbeing Days” each year, encouraging you to take time to focus on yourself. We offer a variety of working style solutions for our colleagues as well.

Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued.

Aon values an innovative and inclusive workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace.

Aon provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, domestic partner status, or other legally protected status.

We welcome applications from all and provide individuals with disabilities with reasonable adjustments to participate in the job application, interview process and to perform essential job functions once onboard. If you would like to learn more about the reasonable accommodations we provide, email [e-mail]

Aon is not accepting unsolicited resumes from search firms for this position. If you are a search firm, you will not be compensated in any way for your submission of a candidate, even if Aon hires that candidate.

#LI-NA1

2561200

Senior Developer - Health

Are you ready to lead in the development of cutting-edge solutions which drive the growth of Aon’s Health business? Do you have experience solving complex challenges utilising Microsoft technologies such as C# .NET? If yes, please read on!

Applicants must be legally authorized to work in Canada. This role is not eligible for sponsorship, and we are unable to sponsor or take over sponsorship of an employment visa or work permit.

Aon is in the business of better decisions

At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organization, we are united through trust as one inclusive team and we are passionate about helping our colleagues and clients succeed.

What the day will look like

Primary Responsibilities

• Create solutions and mentor development resources through the implementation lifecycle.
• Support continuous development of best practices within the team.
• Own the technical decisions of the implementation but invite input through a collaborative and team-based approach.
• Stay abreast with technology trends, organizational decisions, standards and solution designs of other domains to provide effective decision making.
• Design or develop proof-of-concept solutions to validate a technical approach or a technology.
• Validate the business briefs during discovery and/or pre-inception phases of a project.
• Assess architecture risks, project/product fit into the overall landscape and strategy, as well as size level of effort to ensure informed decision making.
• Understand existing enterprise assets, such as frameworks, patterns and subsystems, and ensuring that the teams use them where appropriate.

Key Stakeholder Interactions

• Create appropriate technical solutions within the domain by partnering with the business owners and other development team members.
• Partner with a technical architect to align solutions to the strategic direction of the platform.
• Collaborate, influence and provide leadership in all aspects of software development.

How this opportunity is different

As a Senior Developer - Heath, you will shape the future of our client relationships while driving innovation within a leading global firm. We're seeking owners of technical decisions, collaborators with key stakeholders, and innovators across our projects.

In this role, you'll design secure, high-performance applications, evaluate third-party vendors, and ensure alignment with strategic goals. If you're passionate about architecture, thrive under pressure, and excel at collaborating across all levels, this is the perfect opportunity to make a significant impact.

Skills and experience that will lead to success

• Collaborator at all levels (Exec, leadership team, tech leaders, development teams)
• Knowledgeable of architecture and design patterns
• Experience of developing large scale multi-tier applications with a mixture of modern and legacy technologies.
• Handling globalization, multi-language, multi-region support
• Curious and motivated to become an expert on existing bespoke platforms
• Demonstrated ability to quickly learn new technologies
• Focus on good architecture practices
• Performance tuning, code and data layer
• Application Security
• Excellent communicator
• Creative problem-solver
• Able to juggle multiple conflicting priorities

Primary Technology

• C#
• .NET Framework 4+ and .NET Core
• Building secure and performant Web APIs
• Building nuget libraries / managing dependencies
• Mitigating security issues
• EF6 and EF Core+
• SQL Server
• Good DB design
• Writing stored procedures

Angular

• Angular (modern 9+ experience)
• Handling Web APIs
• RxJs patterns
• Creating dynamic components (ComponentFactory)
• Building npm libraries
• Typescript best practices

Useful Technology

• AngularJS
• Familiar with Bootstrap
• KendoUI knowledge
• GIT branch management
• GIT merging strategies
• GIT filter-repo
• ADO Support with CI/CD pipelines
• ADO Using artifact feeds
• Azure

How we support our colleagues

In addition to our comprehensive benefits package, we encourage an inclusive workforce. Plus, our agile environment allows you to manage your wellbeing and work/life balance, ensuring you can be your best self at Aon. Furthermore, all colleagues enjoy two “Global Wellbeing Days” each year, encouraging you to take time to focus on yourself. We offer a variety of working style solutions for our colleagues as well.

Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued.

Aon values an innovative and inclusive workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace.

Aon provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, domestic partner status, or other legally protected status.

We welcome applications from all and provide individuals with disabilities with reasonable adjustments to participate in the job application, interview process and to perform essential job functions once onboard. If you would like to learn more about the reasonable accommodations we provide, email [e-mail]

Aon is not accepting unsolicited resumes from search firms for this position. If you are a search firm, you will not be compensated in any way for your submission of a candidate, even if Aon hires that candidate.

#LI-NA1

About the company

Aon plc is a large British global professional services firm that sells a range of financial risk-mitigation products, including insurance, pension administration, and health-insurance plans.

Notice

Talentify is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

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Federal law requires every new hire to complete Form I-9 and present proof of identity and U.S. work eligibility.

An Automated Employment Decision Tool (AEDT) will score your job-related skills and responses. Bias-audit & data-use details: www.talentify.io/bias-audit-report . NYC applicants may request an alternative process or accommodation at [e-mail] or 407-000-0000.