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Senior Application Developer

Gallagher
  • Rolling Meadows, Illinois
  • Full-time
30+ days ago
Gallagher

Job Description

Introduction:
At Gallagher Bassett, we're there when it matters most because helping people through challenging moments is more than just our job, it’s our purpose. Every day, we help clients navigate complexity, support recovery, and deliver outcomes that make a real difference in people’s lives. It takes empathy, precision, and a strong sense of partnership—and that’s exactly what you’ll find here. We’re a team of fast-paced fixers, empathetic experts, and outcomes drivers — people who care deeply about doing the right thing and doing it well. Whether you're managing claims, supporting clients, or improving processes, you’ll play a vital role in helping businesses and individuals move forward with confidence. Here, you’ll be supported by a culture that values teamwork, encourages curiosity, and celebrates the impact of your work. Because when you’re here, you’re part of something bigger. You’re part of a team that shows up, stands together, and leads with purpose.
How you'll make an impact:

Key Skills:

 

  • Strong experience designing, developing, and maintaining REST APIs using C#, the .NET Framework, .NET Core, or other object-oriented programming languages.
  • Utilize Azure technologies for cloud-based application development and deployment, including Azure Data Factory, Azure Functions, Azure SQL, Static Web Apps, Azure Container Apps, and related services.
  • Develop and optimize SQL Server databases, including writing complex queries, stored procedures, and performing database performance tuning.
  • Experience with AI-assisted development, custom agents, and workflow automation to accelerate software delivery.
  • Apply strong object-oriented programming principles to design and implement scalable, maintainable software solutions.
  • Lead and mentor junior developers by providing guidance, support, and technical expertise.
  • Manage source code using Git repositories, Azure DevOps, or VSTS while following version-control best practices.
  • Troubleshoot and resolve technical issues to ensure high performance, reliability, and stability of applications.
  • Stay current with emerging technologies and industry trends to continuously improve development processes and practices.
  • Demonstrate excellent problem-solving skills with the ability to think critically and creatively.
  • Exposure to front-end technologies such as Angular or React.
  • Familiarity with CI/CD pipelines and deployment automation.
  • Exposure to designing complex systems and scalable application architectures.
About you:

Required:
• Typically requires a University Degree and minimum 5 years of prior relevant experience, or equivalent experience.

Preferred:
• App development/programming
• Database design
• System architecture & integration
• Communication and stakeholder management skills
• Root cause analysis
• Product development management
• Product portfolio management

Compensation and benefits:

At Gallagher, we believe supporting our colleagues goes far beyond the role itself. For more information, visit our Benefits page.

  • Competitive compensation
  • Comprehensive benefits programs designed to support your well-being 
  • Career development opportunities and ongoing learning 
  • A collaborative, people-first culture with accessible leadership 
  • The opportunity to do meaningful work with global reach and local impact 

At Gallagher, we are dedicated to building an inclusive and authentic workplace. If your past experience doesn’t align perfectly, we encourage you to join our Talent Community to stay connected to additional career opportunities. At times, we will consider transferable skills from previous roles.

Gallagher is an affirmative action/equal opportunity employer (Minorities/Females/Veterans/Disabled)

Numbers & Facts

LocationRolling Meadows, Illinois
Job TypeFull-time
IndustryInsurance
Company Size10,000 employees or more
Year Founded1927
Websitehttps://www.ajg.com/

About Company

Gallagher, a global insurance brokerage and risk management services firm, helps clients address risk, protect assets and recover from losses. The products and services we provide keep businesses and institutions running, and enable individuals and families to rebuild their lives. Gallagher is the only insurance broker recognized by the Ethisphere Institute as a World's Most Ethical Company.

Gallagher provides retail and wholesale property and casualty brokerage, alternative risk transfer services, employee benefit consulting, and actuarial services. Gallagher also offers claims and information management, risk control consulting and appraisal services, human resource consulting, and retirement services.

Skills

  • Application Programming Interface (API)unmatched
  • Artificial Intelligence (AI)unmatched
  • Automationunmatched
  • Automation Systemsunmatched
  • Best Practicesunmatched
  • Claims Managementunmatched
  • Cloud Applicationsunmatched
  • Compensation and Benefitsunmatched
  • Continuous Deployment/Deliveryunmatched
  • Continuous Improvementunmatched
  • Continuous Integrationunmatched
  • Customer Support/Serviceunmatched
  • Database Designunmatched
  • Database Optimizationunmatched
  • DevOpsunmatched
  • Emerging Technologyunmatched
  • Gitunmatched
  • High Reliabilityunmatched
  • Identify Issuesunmatched
  • Industry/Trade Analysisunmatched
  • Internet Applicationunmatched
  • Investment Managementunmatched
  • Leadershipunmatched
  • Mentoringunmatched
  • Microsoft .NETunmatched
  • Microsoft C# (C Sharp)unmatched
  • Microsoft SQL Serverunmatched
  • Microsoft Windows Azureunmatched
  • Object Oriented Programming (OOP)unmatched
  • Object Oriented Programming (OOP) Languagesunmatched
  • People Managementunmatched
  • Performance Managementunmatched
  • Performance Tuning/Optimizationunmatched
  • Problem Solving Skillsunmatched
  • Process Improvementunmatched
  • Product Developmentunmatched
  • Product Managementunmatched
  • REST (Representational State Transfer)unmatched
  • React.jsunmatched
  • Root Cause Analysisunmatched
  • SQL (Structured Query Language)unmatched
  • Software Developmentunmatched
  • Software Engineeringunmatched
  • Source Code/Configuration Management (SCM)unmatched
  • Stored Proceduresunmatched
  • System Architectureunmatched
  • System Integration (SI)unmatched
  • Systems Scalabilityunmatched
  • Team Playerunmatched
  • Technical Supportunmatched
  • User Interface/Experience (UI/UX)unmatched
  • Visual Studio Application Lifecycle Management (ALM) (fka Visual Studio Team System / VSTS )unmatched

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