Senior Applications Developer
Marsh & McLennan Companies3 months ago
Responsibilities
- Design, develop, implement, and support high-performance, scalable .NET scientific simulation platforms.
- Develop customer-facing online experiences, including portals, licensing tools, help content, and news features.
- Build high-performance C#/.NET applications using modern development standards and best practices.
- Support migration and development efforts across Azure and other cloud platforms.
- Collaborate with actuaries, QA, domain experts, and product partners to design, test, and support software tools.
- Improve telemetry, reporting, dashboards, usability, performance, automation, and scalability.
- Work directly with users and contribute to commercial software and customer-facing online experiences.
Requirements
- 10+ years of software development experience.
- Expert-level proficiency in C# v12, .NET v8, and Visual Studio 2022/2023.
- Strong knowledge of threading, async/await, LINQ, pattern matching, interoperability, and REST API design.
- Experience architecting maintainable, flexible, scalable, cloud-native solutions, especially in Azure.
- Experience working directly with users in an Agile environment and strong communication, teamwork, and self-motivation skills.
- Proven ability to ship commercial software or customer-facing online experiences.
- Experience with SQL, Protobuf, and interactive charting or graphing packages.
- Willingness to travel occasionally and work both remotely and in person.
- Preferred experience with Object-Oriented Analysis and Design, Angular, WebAssembly, HTML, CSS, TypeScript, JavaScript, jQuery, Python, Kubernetes, C++, C++/CLI, LLMs, or AI agent technologies; a strong mathematics foundation is also valued.
Benefits
- Professional development opportunities, interesting work, supportive leaders, and an inclusive collaborative culture.
- Flexible hybrid work with remote-work flexibility and collaboration, connection, and professional development opportunities in the office.
- Colleagues are expected to work in their local office or onsite with clients at least three days per week; office-based teams have at least one weekly anchor day.
- Occasional travel is required.
- Benefits and rewards intended to support employee well-being.
Tech Stack
Categories
About Marsh & McLennan Companies
Marsh McLennan is a global professional services firm providing risk, insurance and reinsurance brokerage, health, wealth, and management consulting to corporations, governments, and nonprofits. It operates through Marsh, Guy Carpenter, Mercer, and Oliver Wyman, earning fees and commissions for advisory, analytics, and placement services. Founded in 1905 and headquartered in New York, it is publicly traded on the NYSE under the ticker MMC.