This job has expired

This job posting is no longer active and is not accepting applications. Explore similar roles below!

J. J. Keller
Posted 1w ago

Full-Stack Software Engineer (.NET/C# & Modern Web Technologies) (20861)

J. J. Keller
Neenah or United States
$93k-$98k/yrRemoteFull Time
Responsibilities
  • developing applications
  • testing software
  • supporting systems
Requirements
  • Associate's degree in computer science or technology preferred
  • Bachelor's preferred
  • 3+ years of software or web development experience
  • Full-stack .NET/C#
  • REST APIs
  • SQL Server, SDLC
  • AI-assisted tools, and secure coding experience
Technical tools mentioned
ReactASP.NET MVC.NETC#SQL ServerREST APIsGitHub CopilotOWASP

Job description

Requisition ID 20861 - Posted  - Neenah, WI, US - Functional Area (1)

 Requisition #: 20861
Functional Area:  Software Development
Employment Type:  Full-Time
Work Options:  Remote / Work from Home in the US – Midwest Region #LI-Remote
Work Hours:  Standard Business Hours

Position Summary

Join J. J. Keller as a Software Engineer and help build innovative, customer-facing web applications that support critical business operations and deliver exceptional user experiences. In this role, you'll work across the full technology stack, designing, developing, testing, and supporting modern applications using Modern Web Technologies, .NET/C#, RESTful APIs, and SQL Server.

 

We're looking for a collaborative software engineer who enjoys solving complex technical challenges, delivering high-quality code, and leveraging AI-assisted development tools such as GitHub Copilot to improve efficiency, software quality, and innovation. You'll contribute to the full Software Development Life Cycle (SDLC), from requirements analysis and solution design through development, testing, deployment, and ongoing support. You’ll lead small to mid-sized projects, create scalable and secure solutions, champion best practices, and partner with cross-functional teams to enhance existing applications and develop new capabilities.

 

This is great opportunity for a developer who is passionate about full-stack software engineering, cloud-ready application development, API integrations, secure coding practices, artificial intelligence in software development, and continuous learning.

 

If you're excited about building modern software, applying emerging technologies, and making a meaningful impact within a collaborative and growth-oriented environment, apply today!

 

Key Technologies: Modern Web Technologies, React, ASP.NET MVC, .NET/C#, SQL Server, REST APIs, SDLC, GitHub Copilot, AI-Assisted Development, OWASP Security Practices, Full-Stack Development, Application Integration.

Job Responsibilities

  • Develops and maintains full-stack web applications using Modern Web Technologies, asp.net MVC, .NET/C#, RESTful APIs, and SQL Server.
  • Develops and supports complex backend services, business logic, system integrations, and APIs using .NET and C#.
  • Uses approved AI-assisted development tools, including coding assistants, throughout the SDLC to support requirements analysis, solution design, code development, testing, documentation, troubleshooting, and code review.
  • Reviews and validates AI-generated output to ensure code quality, security, maintainability, accuracy, and compliance with organizational development standards.
  • Identifies opportunities to use AI and automation to improve developer productivity, software quality, testing coverage, and delivery efficiency.
  • Performs assigned programming tasks related to new development or maintenance on assigned websites or applications.
  • Analyzes user needs and impact to other site areas to determine technical requirements of assigned tasks.
  • Promotes strong quality practices by performing unit testing and providing appropriate level of support for user acceptance testing, as needed.
  • Follows secure coding standards and incorporates basic security-by-design principles into assigned development tasks.
  • Adheres to OWASP best practices to reduce common security risks such as input validation errors, insecure data handling, etc.
  • Maintains accurate technical documentation for assigned programming projects.
  • Acts as a support resource for the technical support staff to ensure that customer-reported issues are being addressed in an efficient and accurate manner.
  • Performs lead developer role on assigned projects.
  • Interfaces with Website and Database Administrators to maintain optimal server configuration, database accuracy/integrity and for coordination of staging and production moves.
  • Develops and maintains a solid understanding of the technology tools and trends and remains current in new technology developments and their potential impact on the department.

Qualifications

Education

  • Associate's degree in a Computer Science or technology-related field.  Bachelor's Degree preferred.
  • In lieu of degree, may consider a combination of education and related work experience.

 

Experience

  • 3+ years software or web development experience including analysis, technical design, coding and testing.
  • Working knowledge of the Software Development Life Cycle (SDLC).
  • Object oriented programming experience.
  • Understanding of SQL Server development and database structures.
  • Experience developing full-stack web applications using Modern Web Technologies and .NET/C#.
  • Experience building and consuming RESTful APIs and integrating frontend applications with backend services.
  • Experience using AI-assisted software-development tools, such as GitHub Copilot or comparable technologies, within the SDLC.
  • Demonstrated ability to evaluate, test, and refine AI-generated code rather than relying on generated output without developer review.
  • Understanding of secure full-stack development practices, including authentication, authorization, input validation, API security, and protection of sensitive data.

 

Internal J. J. Keller experience requirements may vary from those for external candidates, with consideration given to demonstrated performance, institutional knowledge, and career progression within the organization.

Physical Requirements

Work is performed primarily in a standard office environment. Work involves operation of personal computer equipment for extended periods of time. Occasional travel to offsite offices, customer sites and/or industry and training events may also be required, depending on assignment.

We Protect People & The Businesses They Run™

 

Every associate at J. J. Keller makes a difference by creating safer, more respectful workplaces. Whether serving our customers directly with expertise in safety and regulatory compliance or supporting the business with specialized skills, together we contribute to better workplaces for people across North America.

 

J. J. Keller History:  November 1, 2023, marked 70 years of business for J. J. Keller & Associates, Inc. Click HERE to take a tour through three generations of this family-owned business – from our founding as a one-man consulting firm through decades of delivering on our purpose of protecting people and the businesses they run.

 

J. J. Keller Career Stories:  Click HERE to hear from our associates about what they have to say about life as an associate at J. J. Keller.

 

J. J. Keller Earns 8th Great Place to Work Certification™:  Click HERE to find out what makes J. J. Keller great.

 

J. J. Keller Certified as a Top 100 Most Loved Workplace® in America:  Click HERE to find out why our associates LOVE working at J. J. Keller.

 

2024 Top Company for Women to Work for in Transportation:  Click HERE to learn more about this prestigious recognition.


J. J. Keller provides a competitive benefit package which includes the following (eligibility requirements apply):  Medical, Dental, and Vision Insurance, 401(k) and Profit Sharing Plan, etc. The compensation range for this role is $93,000.00 to $98,000.00 which varies depending on factors including, but not limited to, a candidate’s overall experience and geographic location. Note that J. J. Keller is not currently recruiting employees to work in California.

 

If you experience system-related issues or need assistance with the online application, please call (920) 720-7700.

 

Professional Referral Program:  Not the right role for you, but know someone who could be a great fit? Click HERE to refer them to us through our Professional Referral Program and you will earn a cash payment if your referral is hired.

 

J. J. Keller & Associates, Inc. is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state or local protected class.

About J. J. Keller

Provides regulatory compliance and workplace safety solutions to businesses.

Similar jobs

Software Engineer roles near Neenah, Wisconsin
2d
Save
Mark Applied
Hide
Sr. Software Engineer - ServiceNow
Baltimore or Kennett Square or Warrenville or Chicago or Houston or De Pere
$118k-$131k/yr HybridFull Time
Constellation Energy
Constellation EnergyNASDAQ: CEG: Produces carbon-free electricity and supplies energy to customers.
5+ YOEBachelor's degree in a technical field plus 5 years' relevant experience, or 9 years without a degree; ServiceNow certification and 5+ years of ServiceNow development or administration experience required.
ServiceNow, Git, SQL, NoSQL, Oracle, SQL Server, Cosmos DB, MySQL, Redis, Splunk, ITSM, ITOM, SPM, HRSD, ITBM, ITAM, GRC (IRM), Performance Analytics, CI/CD
2w
Save
Mark Applied
Hide
Software Developer - Remote (Continental U.S.)
Oshkosh or United States
$100k-$115k/yr RemoteFull Time
Silver Star Brands
Silver Star Brands: Sells consumer gifts and household goods through catalogs and websites.
3+ YOERequires 3+ years of software development experience, proficiency in an OOP language, shell scripting, code repositories, communication, problem-solving, and independent work.
Microsoft Dynamics 365, Azure DevOps, AI, PowerShell, Bash, Git, GitHub, Microsoft Dynamics AX, X++, C#, VB .Net, Java
2w
Save
Mark Applied
Hide
Senior Software Engineer
Green Bay or Wichita
OnsiteFull Time
Koch Inc.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
Experience with AI-assisted development, .NET, full-stack applications, APIs, integrations, modern front-end technologies, software lifecycle delivery, architecture, troubleshooting, and mentoring engineers.
LLMs, .NET, React, Angular, Vue, PostgreSQL, MongoDB
2w
Save
Mark Applied
Hide
Lead Software Engineer
Fond du Lac or Appleton or Oshkosh
HybridFull Time
J. F. Ahern Co.
J. F. Ahern Co.: Mechanical and fire protection contracting and pipe fabrication services.
7+ YOE2+ MgmtRequires 7 years developing full-stack software, including 2 years in technical leadership, strong communication, collaboration, and experience with business applications, APIs, integrations, and databases.
C#, .NET Core, Angular, SQL, TypeScript, JavaScript
4w
Save
Mark Applied
Hide
Software Engineer - Enterprise Application
West Bend or Madison or Appleton
$97k-$121k/yr HybridFull Time
West Bend
West Bend: Provides property and casualty insurance for businesses and individuals.
Proficiency with .NET and C#, React, Git, CI/CD and modern SDLC practices; experience with cloud (Azure), integration patterns, testing, and observability.
.NET, C#, React, Git, Azure DevOps, NuGet, Gradle, NServiceBus, API Management, OpenTelemetry, Application Insights, Splunk, Dynatrace
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Green Bay, Wisconsin, United States
OnsiteFull Time
Schneider National
Schneider NationalNYSE: SNDR: Provides multimodal transportation, logistics, and supply chain management services.
4+ YOEBachelor's in computer science or related, 4+ years IT experience, advanced Java development, system design skills, coaching ability.
Java
1mo
Save
Mark Applied
Hide
Artificial Intelligence Software Engineer
Green Bay or La Crosse or Wisconsin or Michigan or Minnesota or Iowa
HybridFull Time
Bellin Health
Bellin Health: Provides comprehensive healthcare services through regional hospitals and clinics.
2+ YOEBachelor's or equivalent,2+ years software development,proficiency in multiple programming languages,experience with cloud platforms,exposure to AI-assisted development,DevOps/CI-CD familiarity,strong problem-solving and communication.
Microsoft Azure
1mo
Save
Mark Applied
Hide
Software Engineer II
Raleigh or Neenah
OnsiteFull Time
Jewelers Mutual
Jewelers Mutual: Provides insurance and risk management for the jewelry industry.
3+ YOEBachelor's or equivalent experience, 3+ years professional software development, proficiency in Java/C#/Python/TypeScript/Go, RESTful APIs, cloud (AWS/Azure/GCP), Docker/Kubernetes, Git and CI/CD, strong communication and problem-solving.
Java, C#, Python, TypeScript, Go, RESTful APIs, AWS, Azure, GCP, Docker, Kubernetes, Git, CI/CD, GitHub Copilot, Agile/Scrum, WCAG, Guidewire, PolicyCenter, BillingCenter, ClaimCenter, Salesforce, Apex, LWC, Ratabase, LLM
This job has expired