Senior Full Stack Engineer - (.NET / React)

CliftonLarsonAllen; Milwaukee (WI); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

401k

Job summary

CliftonLarsonAllen (CLA) is a top national professional services firm delivering wealth advisory, digital, audit, tax, consulting, and outsourcing services. We are seeking a Senior Application Developer to design, build, test, and maintain complex web-based applications and APIs across enterprise systems.

You will work with .NET, Node.js, React, TypeScript, JavaScript, Python, SQL, and CI/CD practices, including containerized architectures.

Qualifications

• 4 years required; 6 years of relevant application development experience preferred.
• Experience with enterprise applications, web applications, APIs, workflows, integrations, or platform-based solutions preferred.
• Hands-on experience with modern development technologies including .NET, Node.js, React, TypeScript or JavaScript, SQL, and API development.
• Experience working across multiple projects and technologies in a collaborative team environment.

Responsibilities

• 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.

Skills

.NET

Node.js

React

TypeScript

JavaScript

Python

SQL

APIs

Git

CI/CD

Education

Bachelor's degree

Job description

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, 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

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.