Senior Frontend Software Engineer

Salary: $68,000 - 108,000 per year Requirements: Software development experience. Experience developing with React and TypeScript. Experience with C# and ASP.NET, including .NET Framework and/or .NET Core/.NET. Understanding of object-oriented programming, design patterns, and clean code practices. Proficiency with Git workflows, including pull or merge requests, code reviews, and branching strategies. Preferred: Experience building complex, maintainable React interfaces with well-defined component boundaries and composition. Preferred: Ability to establish practical state management strategies for designer workflows, including local and shared state, derived state, and asynchronous orchestration. Preferred: Experience with component-driven development, design systems, reusable primitives, and accessibility-first composition. Preferred: Experience integrating different UI paradigms, such as React with Web Components or IDS. Preferred: Experience modernizing legacy stacks incrementally and deciding what to replace, wrap, or isolate. Preferred: Experience testing UI architecture with component and integration tests to reduce regressions. Responsibilities: Lead development of a next-generation application development capability within the Infor Mongoose platform. Design and implement scalable React application architecture using TypeScript. Build reusable, accessible UI components using Infor Design System components and theming. Apply advanced design patterns, such as Factory, Strategy, and Observer, to support dynamic form rendering from metadata and schemas. Design and implement RESTful APIs using C# and ASP.NET, including MVC, Web API, or ASP.NET Core depending on the subsystem. Integrate the React front end with existing backend services and contracts. Implement secure authentication and authorization patterns for enterprise deployments. Establish architectural practices such as Clean Architecture, layered separation, SOLID principles, and dependency management. Technologies: .NET Framework API ASP.NET Backend C# Git Support mongoose MVC React TypeScript Web UX UI Design Frontend More: We are collaborating with hackajob to connect professionals with this opportunity at Infor. This senior full-stack role is part of a greenfield initiative to modernize form rendering and designer experiences using React, TypeScript, and the Infor Design System, while integrating with an existing C# and ASP.NET backend and enterprise-grade services. Infor Mongoose is our rapid application development platform, enabling teams to build, extend, and modernize enterprise business applications at scale. last updated 40 week of 2026