Demo

Application Developer

KellyMitchell Group
Brookfield, WI Contractor
POSTED ON 8/1/2026
AVAILABLE BEFORE 12/25/2026

Job Summary

Our client, a leading financial services organization, is seeking an Application Developer to join their team. This role is ideal for a software engineer who enjoys building scalable backend applications, developing cloud-based solutions, and leveraging modern DevOps practices to deliver high-quality software. The ideal candidate is a proactive problem solver who thrives in a collaborative environment and takes ownership of projects from design through deployment.


Key Details:

  • Contract: 18-week contract
  • Duration: August 23, 2026 – December 26, 2026
  • Location: Brookfield, WI (preferred) or Portland, OR
  • Work Arrangement: Hybrid, with a preference for candidates located near one of the client's hub locations


Core Responsibilities

  • Design, develop, and enhance backend applications and RESTful APIs using C# and .NET Core
  • Build and maintain scalable, secure, and reliable cloud-based solutions within Microsoft Azure
  • Develop and optimize SQL databases, queries, and data integrations to support application performance
  • Create and maintain automated CI/CD pipelines using GitLab to streamline software delivery
  • Partner with cross-functional teams to gather requirements, define technical solutions, and deliver high-quality software
  • Troubleshoot application issues, perform root cause analysis, and implement effective long-term solutions
  • Write clean, maintainable, and well-tested code while following established development standards and best practices


Required Skills/Experience (Must-Haves)

  • 5 years of experience developing applications with C# and .NET Core
  • Strong experience with Microsoft SQL Server and SQL development
  • Hands-on experience building applications within Microsoft Azure
  • Experience implementing and maintaining GitLab CI/CD pipelines
  • Proficiency using Visual Studio for application development
  • Experience designing and developing RESTful APIs and backend services
  • Strong understanding of software development lifecycle (SDLC) methodologies and testing best practices


Preferred Skills/Experience (Nice-to-Haves)

  • Experience developing applications within large enterprise environments
  • Background supporting financial services or highly regulated industries
  • Knowledge of Azure cloud architecture and cloud-native development principles
  • Experience with automated testing frameworks and code quality tools
  • Familiarity with Agile development methodologies
  • Experience optimizing application performance and scalability
  • Understanding of secure software development principles and application security best practices


Key Competencies & Behaviors

  • Self-motivated professional who can work independently with minimal direction
  • Strong analytical and problem-solving skills with sound technical judgment
  • Excellent verbal and written communication skills
  • Detail-oriented with a commitment to delivering high-quality solutions
  • Collaborative team player who takes ownership and drives work to completion


Work Environment

  • Location: Brookfield, WI (preferred) or Portland, OR
  • Work Arrangement: Hybrid


Compensation & Benefits

  • Pay Range: The approximate pay range for this position is between $52.00 and $57.93 per hour. Please note that the pay range provided is a good faith estimate. Final compensation may vary based on factors including but not limited to background, knowledge, skills, experience, and location. We comply with all applicable local wage requirements.
  • Medical, Dental, & Vision Insurance Plans
  • Employee Stock Ownership Plan (ESOP)
  • 401(k) Retirement Plan


About KellyMitchell

At KellyMitchell, our culture is world class. We're movers and shakers who embrace collaboration, innovation, and a little friendly competition. We reward hard work with unlimited potential for growth and are passionate about helping Fortune 500 companies solve their most complex IT staffing and project solutions challenges. As an employee-owned, women-led organization, we're committed to delivering exceptional service while creating meaningful career opportunities for our consultants.


Marketing Disclosure

By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from KellyMitchell and its affiliates and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel or HELP for assistance. View our Privacy Policy at https://www.careers.kellymitchell.com/privacy-policy.

Salary : $52 - $58

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Application Developer?

Sign up to receive alerts about other jobs on the Application Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$70,239 - $89,209
Income Estimation: 
$88,984 - $115,784
Income Estimation: 
$92,017 - $124,111
Income Estimation: 
$90,707 - $120,959
Income Estimation: 
$91,486 - $118,193
Income Estimation: 
$120,936 - $155,014
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at KellyMitchell Group

  • KellyMitchell Group Hopkins, MN
  • Job Summary Our client, a leading financial services organization, is seeking an Automation Engineer to join their Quality Engineering team. This role is i... more
  • 2 Days Ago

  • KellyMitchell Group Phoenix, AZ
  • Job Summary Our client, a leading aviation company, is seeking a Software Engineer to join a collaborative development team supporting enterprise applicati... more
  • 2 Days Ago

  • KellyMitchell Group Denver, CO
  • Job Summary: Our client is seeking a Data Governance Analyst to join their team! This position is located in Greenwood Village, Colorado. Duties: Manage th... more
  • 2 Days Ago

  • KellyMitchell Group Denver, CO
  • Job Summary Our client is seeking a Software Architect III to join our architecture and infrastructure team, designing and delivering secure, scalable plat... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Application Developer jobs in the Brookfield, WI area that may be a better fit.

  • US Tech Solutions Brookfield, WI
  • Duration: 6 Month Job Description: We are seeking a highly skilled Software Engineer with strong experience in C#, .NET Core, SQL, Azure, and modern DevOps... more
  • 2 Days Ago

  • Kforce Inc Brookfield, WI
  • Responsibilities Kforce has a client in Brookfield, WI that is seeking a highly skilled Software Engineer with strong experience in C#, .NET Core, SQL, Azu... more
  • 2 Days Ago

AI Assistant is available now!

Feel free to start your new journey!