Software Engineer (AWS, .NET)

J. J. Keller & Associates•Neenah, WI

1d•Hybrid

About The Position

J. J. Keller is seeking a Software Engineer with strong AWS and .NET expertise to help design, develop, deploy, and support business-critical applications and cloud-based services. This role combines software development with cloud infrastructure and DevOps responsibilities, providing an opportunity to work across the full application lifecycle, from technical design and coding to deployment automation, monitoring, and production support. The ideal candidate is a hands-on software engineer who enjoys building scalable solutions, improving system reliability, and leveraging modern cloud technologies. This individual will collaborate with cross-functional teams to deliver enhancements, troubleshoot complex issues, lead small to medium-sized development initiatives, and contribute to our ongoing cloud modernization efforts.

Requirements

3+ years of software engineering experience, including analysis, design, development, testing, deployment, and production support.
Experience developing and supporting .NET-based web applications and services.
Experience working in cloud-based environments.
Working knowledge of Software Development Life Cycle (SDLC) methodologies and best practices.
AWS services including: Elastic Beanstalk (Windows and Linux), CloudWatch, Lambda, ECS/ECR with Fargate
.NET application development and support
Windows Server and IIS administration
Linux server administration and troubleshooting
SQL Server development and database design concepts
CI/CD pipeline creation, maintenance, and deployment automation
Object-oriented programming principles
Source control and modern development practices

Nice To Haves

Infrastructure as Code using Terraform and/or CloudFormation
Identity and Access Management solutions, including Okta (SSO/OIDC)
Experience migrating applications from Windows-based hosting environments to Linux platforms
Containerization and cloud-native application architectures
Experience supporting highly available production environments

Responsibilities

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.