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Sr Software Engineer Jobs in Appleton, WI (NOW HIRING)

Rotating Machinery Svcs Inc

Senior Engineer

Menasha, WI · On-site

$106K - $146K/yr

The Senior Engineer is the 4th level of progression on the Engineering Technical Career Path for ... Exhibit high-proficiency in running engineering software such as 3D CAD modeling design software ...

Rotating Machinery Svcs Inc

Senior Engineer

Menasha, WI · On-site

$106K - $146K/yr

The Senior Engineer is the 4th level of progression on the Engineering Technical Career Path for ... Exhibit high-proficiency in running engineering software such as 3D CAD modeling design software ...

Humana

Senior Full Stack Engineer

Green Bay, WI · On-site

This position blends day-to-day software engineering with technical leadership. It involves ... The Senior Full Stack Engineer - Platform & Architecture is responsible for hands-on architecture ...

Humana

Senior Full Stack Engineer

Green Bay, WI

This position blends day-to-day software engineering with technical leadership. It involves ... The Senior Full Stack Engineer - Platform & Architecture is responsible for hands-on architecture ...

Humana, Inc.

Senior Full Stack Engineer

Green Bay, WI · On-site

This position blends day-to-day software engineering with technical leadership. It involves ... The Senior Full Stack Engineer - Platform & Architecture is responsible for hands-on architecture ...

Humana

Senior Full Stack Engineer

Green Bay, WI · On-site

This position blends day-to-day software engineering with technical leadership. It involves ... The Senior Full Stack Engineer - Platform & Architecture is responsible for hands-on architecture ...

Software Guidance & Assistance

Senior Engineer

Oshkosh, WI · On-site

$102K - $141K/yr

Software Guidance & Assistance, Inc., (SGA), is searching for a Mechanical Engineer for an opportunity with one of our premier clients in Oshkosh, WI. Position Summary The Senior Engineer ...

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Showing results 21-40

All JobsSr Software Engineer JobsSr Software Engineer Jobs in Appleton, WI

Sr Software Engineer information

See Appleton, WI salary details

$73.7K

$139.8K

$187.3K

How much do sr software engineer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for sr software engineer in Appleton, WI is $139,813.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,500.00 and $157,600.00 per year, depending on experience, location, and employer.

What is a Sr Software Engineer?

Sr Software Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior team members, and collaborate with stakeholders to ensure software meets business needs. In addition to coding, they are responsible for making architectural decisions, reviewing code, and ensuring best practices are followed. Sr Software Engineers typically have several years of industry experience and deep expertise in specific programming languages or technologies.

What are the key skills and qualifications needed to thrive as a Sr Software Engineer?

To thrive as a Sr Software Engineer, you need advanced programming skills, a strong grasp of software design principles, and typically a degree in computer science or a related field. Expertise with development frameworks, version control systems like Git, and familiarity with cloud platforms or containerization tools is often required. Exceptional problem-solving abilities, clear communication, and leadership skills set top performers apart in collaborative environments. These competencies ensure the efficient delivery of high-quality software solutions and effective mentorship within development teams.

What are some common challenges Sr Software Engineers face when leading technical projects?

Sr Software Engineers often encounter challenges such as balancing hands-on coding with mentoring less experienced team members, managing shifting project requirements, and ensuring timely delivery while maintaining high code quality. They are frequently responsible for making critical architectural decisions and resolving complex technical issues that arise during the development process. Additionally, effective communication with cross-functional teams and stakeholders is key to aligning technical solutions with business goals.

What cities near Appleton, WI are hiring for Sr Software Engineer jobs?

Cities near Appleton, WI with the most Sr Software Engineer job openings:

Sr Software Engineer jobs near you
Infographic showing various Sr Software Engineer job openings in Appleton, WI as of August 2026, with employment types broken down into 86% Full Time, 10% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $139,813 per year, or $67.2 per hour.

Software Engineer (AWS, .NET)

J. J. Keller & Associates, Inc.

Neenah, WI • Remote

Full-time

Posted 28 days ago

Job description

Requisition #: 20839
Functional Area:  Software Development
Employment Type:  Full-Time
Work Options:  Remote / Work from Home in Wisconsin #LI-Remote
Work Hours:  Standard Business Hours

Position Summary

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.

Key Technologies: AWS: Elastic Beanstalk (Windows & Linux), CloudWatch, Lambda, ECS/ECR (Fargate), Terraform, CloudFormation

Job 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.
Qualifications

Experience & Education

  • 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.
  • Associate's degree in Computer Science, Information Technology, or a related field required; Bachelor's degree preferred.
    • Equivalent combinations of education and relevant experience will be considered.

Technical Skills

  • Required
    • 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
  • Preferred
    • 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
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.

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.

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