## Senior Full Stack Engineer - (.NET / React)Apply: Milwaukee, WI: Madison, WI: Full time: Posted Today: R17984CLA is a top 10 national professional services firm where **our purpose is to** ***create opportunities*** every day, for our clients, our people, and our communities through industry-focused wealth advisory, digital, audit, tax, consulting, and outsourcing services. Even with more than 9,000 people, 130 U.S. locations, and a global reach, we promise to know you and help you.CLA is dedicated to building a culture that invites different beliefs and perspectives to the table, so we can truly know and help our clients, communities, and each other.**How you’ll create opportunities in this Senior Application Developer role:*** Design, develop, test, debug, document, maintain, and enhance complex web-based applications, integrations, APIs, workflows, and application components.* Build maintainable solutions using technologies such as .NET, Node.js, React, TypeScript, JavaScript, Python, SQL, APIs, Git, automated testing, and CI/CD practices.* Design and support containerized application architectures, data models, transformations, integrations, data-quality checks, and connections to enterprise systems, databases, files, and APIs.* Translate business requirements into practical technical designs, identify risks, recommend solutions, and help establish development standards across project teams.* Perform unit testing and contribute to test planning, implementation, upgrades, production support, and architectural and code-level documentation.* Monitor application performance and reliability, help ensure service expectations are met, and troubleshoot complex technical issues.* Estimate project effort, define technical tasks, meet agreed-upon deadlines, and communicate risks, blockers, and dependencies early.* Partner with product owners, architects, developers, business users, leaders, vendors, and other stakeholders to clarify requirements, evaluate options, and demonstrate functionality.* Use modern AI-assisted and agentic development approaches, including large language models, Model Context Protocol concepts, and agentic coding frameworks, when appropriate.* Mentor team members, share technical knowledge, and contribute to continuous improvement across the application development practice.**What you will need:*** 4 years required; 6 years of relevant application development experience preferred* Experience developing and supporting enterprise applications, web applications, APIs, workflows, integrations, or platform-based solutions preferred* Hands-on experience with modern application development technologies, preferably including .NET, Node.js, React, TypeScript or JavaScript, SQL, and API development.* Experience working across multiple projects and technologies in a collaborative team environment.* Experience with source control, automated testing, CI/CD practices, and modern cloud or container-based application architecture.* Experience using AI-assisted development tools or agentic development approaches preferred.* Bachelor’s degree is required. Combination of relevant experience, education, and training may be accepted in lieu of degree. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities Click here to learn about your hiring rights. **Wellness at CLA**To support our CLA family members, we focus on their physical, financial, social, and emotional well-being and offer comprehensive benefit options that include health, dental, vision, 401k and much more. To view a complete list of benefits, click here.