Senior Full Stack Engineer .NET​/React

Position: Senior Full Stack Engineer - (.NET / React)
CLA 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, Type Script, 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, Type Script 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 CLATo 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, .Summary

Location:

Milwaukee, WI;
Madison, WIType:
Full time