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Software Developer - Senior

Plexus Corp
vision insurance, paid time off
United States, Wisconsin, Neenah
Sep 04, 2025

About us: At Plexus, our vision is to help create the products that build a better world. Driven by a passion for excellence, we partner with leading Aerospace/Defense, Healthcare/Life Sciences and Industrial companies to design, manufacture and service some of the world's most transformative products, including advanced surgical systems, diagnostic instruments, healthcare imaging equipment, mission critical aerospace systems, and electric vehicle (EV) charging solutions. Visit Plexus.com to learn more about our unwavering commitment to our vision.

When we invest in our people, we invest in building a better world.

With a vision rooted in the wellbeing and inclusive engagement of our team members, our customers, their end users and our communities, people are the heart of what we do and who we are. It is our values that unite us and guide us in everything that we do, including how we operate, behave and interact to foster a workplace where every team member feels valued and empowered to contribute their best.

Our values include: Growing our People, Building Belonging, Innovating Responsibly, Delivering Excellence and Creating Customer Success.

As a team member, you will engage in impactful work through global collaboration and the use of emerging technologies, join an inclusive culture where every team member is valued and working toward a greater purpose, and be empowered to reach your full potential through various development programs designed to accelerate your growth.

Plexus offers a comprehensive benefits package designed to support team members' wellbeing, including medical, dental, and vision insurance, paid time off, retirement savings, and opportunities for professional development. We also prioritize work-life balance and offer a variety of perks to enhance the team member experience. For more information, visit our US benefits website at usbenefits.plexus.com. Our commitment to pay range transparency fosters an equitable workplace, where everyone can feel valued. The annual compensation range for this position is stated below. The salary offered within this range will be based upon the geographic location, work experience, education, licensure requirements and/or skill level. Salary Range:

$82,900.00 - $124,300.00

Purpose Statement: The Senior Software Developer is responsible for designing, developing, and implementing new or modified software products for ongoing business projects. They collaborate closely with various teams and stakeholders, including Architects, Analysts, Project Managers, and other developers, to ensure software projects meet requirements.

This Senior Software Developer role plays a critical part in the development and enhancement of software applications to meet business needs and support continuous improvement within the organization.

Key Job Accountabilities:

  • Collaboration: Actively engage and collaborate with cross-functional teams to conceptualize and develop or enhance software applications, ensuring adherence to project requirements, best practices, and business objectives.
  • System Design and Optimization: Research, design, write, test, and implement high-performance code for software applications. Manage source code branching, merging, and automation to streamline development.
  • Documentation: Responsible to prepare and maintain project documentation, including design and unit test documents, with a preference for UML proficiency.
  • Technical Leadership and Mentoring: Take a lead role on complex projects, serve as a subject matter expert, providing guidance, mentorship and support to junior developers. Ensure deliverables meet the project requirements and coding standards.
  • Innovation and Research: Consistently research and stay updated on emerging development technologies, standards and best practices, positioning the organization for future success.
  • All GT team members are responsible for upholding the organization's cybersecurity posture by adhering to security policies and procedures, actively participating in training, protecting data and systems, actively identifying and mitigating vulnerabilities, and promptly reporting any suspicious activity or potential security incidents.

Education/Experience Qualifications:

  • Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or equivalent work experience.

Other Qualifications:

  • Certifications for focus area(s) achieved or expected within role
  • Agile and Lean Six Sigma certifications are desirable
  • An equivalent combination of education and experience sufficient to successfully perform the key job accountabilities may be considered.
  • Experience in computing systems is highly desirable
  • JDE / DSI
  • .NET / C# - Design and setup development framework with n-tier environment (C#/.NET).
  • Others: IoT, Python, Machine Learning, and Big Data analysis would be an added advantage
  • User Interface (UI) / User Design (UX )
  • Other Qualifications:
  • Creative problem solving
  • Ability to influence others
  • Mentoring others
  • Strategic agility - strong understanding of why projects are being done
  • Ability to ask tough questions and push back professionally and creatively to ensure the success of the organization and projects
  • Comfort with presenting
  • Proficiency in relevant tools - .NET/C#, JDE/DSI, IoT, Python, Machine Learning
  • Exceptional leadership and mentoring skills.
  • Strong problem-solving and analytical abilities.
  • Excellent communication and teamwork skills.

Physical Requirements:

  • N/A

Travel Requirements:

  • N/A

This document does not represent a contract of employment and is not intended to capture every possible assignment the incumbent could be asked to perform.

We are pleased to provide reasonable accommodations to individuals with disabilities or special requirements. If you need an application accommodation, please contact us by email at GHQ.TA@plexus.com. Please include your contact information and clearly describe how we can help you. This email is for accommodation requests only and cannot be used to inquire about the status of applications.

We are an Equal Opportunity Employer (EOE) and do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Some offers of employment are contingent upon successfully passing a drug screen and/or background check.

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