Senior Application Developer

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, diverse team, and we are passionate about helping our colleagues and clients succeed.

What the day will look like

The Senior Application Developer is principally responsible for the development and delivery of Reinsurance Analytics applications to the user base. Responsible for crafting architecturally sound solutions, delivering detailed technical design, development planning and implementation of new features for globally used applications specifically focused on the client facing activities of Aon's Reinsurance Analytics Solutions business. These activities involved include, but not limited to, spatial development, UI/UX implementation, and other analytical solutions. The person in this role will support the modernization and Cloud migration initiative for applications in the Analytics Solution service area.

• Be an active participant during the ground-floor phase of projects to provide appropriate application architecture and assist in making technology choices that ensure project success.
• Play a hands-on role with development teams when applying coding practices to the architectural design ensuring success in delivering a quality product to users.
• Work alongside the Development Team Leads during the development process to ensure project design is being followed, assist in solving issues facing the team.
• Work alongside the Development Team to Manage and own the architectural design of new applications as well as new features within existing applications.
• Conduct discovery and lead software solution development using Azure Cloud.
• Take mentorship from the Reinsurance Architecture Community of Practice regarding the principles set forth around coding principles and other architectural practices to be applied to the Reinsurance business suite of applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Coordinate with project managers to ensure timely delivery of projects and adherence to project timelines.
• Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs.
• Maintain code quality, automation and implement best practices.

How this opportunity is different

As part of an industry-leading team you will help empower results for our clients by delivering innovative and effective solutions as part of Analytics Product Innovation and Development Team within Aon's Reinsurance Solutions business, in Bloomington, MN. As a member of the team, you will work with the Analytics Development Team and Operations Application Delivery Lead.

Skills and experience that will lead to success

• 10+ years of IT application development and implementation experience
• 7+ years of C# development experience
• Other languages a plus (C#, Python, .Net)
• 5+ years of application design and software architecture
• 2+ years of Azure Cloud experience. Efficient knowledge on Azure and its services.
• 5+ years of Object-Oriented Programming (OOP) experience
• 5+ years experience with Microsoft SQL Server databases
• Experience architecting Azure Cloud solutions and/or application migration to Azure.
• Experience with DevOps practices and tools such as Azure DevOps, CI/CD pipelines, and automated testing
• Proficiency in database design and management, including experience with SQL and NoSQL databases.
• Experience with performance tuning and optimization of applications.
• Knowledge of security best practices and experience implementing security measures in software development
• Strong understanding of software development lifecycle (SDLC) and Agile methodologies.

How we support our colleagues

In addition to our comprehensive benefits package, we encourage a diverse workforce. Plus, our agile, inclusive 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, but we also recognise that flexibility goes beyond just the place of work... and we are all for it. We call this Smart Working!

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, diverse 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