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Sustaining Software Engineer Jobs in Wisconsin (NOW HIRING)

Sr. Software Engineer

Madison, WI

$123.40K - $162.70K/yr

Working in our Software Engineering team, you will be responsible for developing, enhancing, and sustaining software systems in a cross-functional team environment through adherence to established ...

Sr. Software Engineer

Madison, WI

$123.40K - $162.70K/yr

Working in our Software Engineering team, you will be responsible for developing, enhancing, and sustaining software systems in a cross-functional team environment through adherence to established ...

Sr. Software Engineer

Madison, WI · On-site

$123.40K - $162.70K/yr

Working in our Software Engineering team, you will be responsible for developing, enhancing, and sustaining software systems in a cross-functional team environment through adherence to established ...

Senior Software Engineer

Madison, WI · On-site

$123.50K - $162.80K/yr

Lead sustaining engineering efforts, including defect analysis, refactoring, and modernization of existing software. * Collaborate with scientists, service teams, customers, and third-party ...

The DevEx Engineer improves productivity and satisfaction across the software lifecycle, from CI/CD pipelines to local development environments, while also shaping how engineering effectiveness is ...

Senior Software Engineer

Madison, WI

$123.50K - $162.80K/yr

Lead sustaining engineering efforts, including defect analysis, refactoring, and modernization of existing software. * Collaborate with scientists, service teams, customers, and thirdparty ...

Contribute to sustaining engineering by troubleshooting, participating in root-cause analysis, and resolving issues found in new or existing functionality. Software Design & Architecture (Make the ...

Contribute to sustaining engineering by troubleshooting, participating in root-cause analysis, and resolving issues found in new or existing functionality. Software Design & Architecture (Make the ...

Contribute to sustaining engineering by troubleshooting, participating in root-cause analysis, and resolving issues found in new or existing functionality. Software Design & Architecture (Make the ...

Senior Software Engineer

Milwaukee, WI · On-site

$120.70K - $159.10K/yr

We then develop and implement the processes and technologies to execute a sustainable and scalable ... THE ROLE Our client is seeking a highly skilled Senior Software Engineer to join their growing ...

Contribute to sustaining engineering by troubleshooting, participating in root-cause analysis, and resolving issues found in new or existing functionality. Software Design & Architecture (Make the ...

Senior Software Engineer

Milwaukee, WI · Remote

$120.40K - $158.70K/yr

We then develop and implement the processes and technologies to execute a sustainable and scalable ... THE ROLE Our client is seeking a highly skilled Senior Software Engineer to join their growing ...

Senior Software Engineer

Milwaukee, WI · Remote

$120.40K - $158.70K/yr

We then develop and implement the processes and technologies to execute a sustainable and scalable ... THE ROLE Our client is seeking a highly skilled Senior Software Engineer to join their growing ...

Contribute to sustaining engineering by troubleshooting, participating in root-cause analysis, and resolving issues found in new or existing functionality. Software Design & Architecture (Make the ...

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Showing results 1-20

Sustaining Software Engineer information

See Wisconsin salary details

$67.6K

$130.9K

$226.1K

How much do sustaining software engineer jobs pay per year?

As of May 29, 2026, the average yearly pay for sustaining software engineer in Wisconsin is $130,891.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,000.00 and $142,300.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Sustaining Software Engineer, and why are they important?

To thrive as a Sustaining Software Engineer, you need strong problem-solving skills, proficiency in debugging, and a solid background in software development, often supported by a degree in computer science or related field. Familiarity with issue tracking systems, source control tools like Git, and experience with programming languages relevant to the product are typically required. Excellent communication, attention to detail, and the ability to work collaboratively with cross-functional teams help distinguish top performers. These skills ensure timely resolution of software issues, maintain product stability, and support ongoing customer satisfaction.

What are some common challenges faced by Sustaining Software Engineers, and how are they typically addressed?

Sustaining Software Engineers often encounter the challenge of resolving complex, legacy code issues while ensuring minimal disruption to existing users. They must quickly diagnose problems, implement effective fixes, and coordinate with product and support teams to prioritize work. Staying up-to-date with evolving technologies and documentation practices is also crucial, as they frequently work on older systems. Open communication and collaboration with cross-functional teams help address these challenges and maintain software reliability.

What are Sustaining Software Engineers?

Sustaining Software Engineers are professionals responsible for maintaining, supporting, and improving existing software products after their initial release. They focus on fixing bugs, addressing customer-reported issues, ensuring compatibility with new technologies, and implementing minor enhancements to keep the software reliable and up-to-date. Unlike development engineers, who work primarily on new features or products, sustaining engineers ensure the ongoing stability and quality of released software. Their work is crucial for customer satisfaction and long-term software success.

What is the difference between Sustaining Software Engineer vs Software Developer?

AspectSustaining Software EngineerSoftware Developer
Primary FocusMaintaining, troubleshooting, and improving existing software systemsDesigning and developing new software applications
Work EnvironmentOften in support or maintenance teams, working on existing codebasesTypically in development teams, creating new features and products
Required SkillsStrong debugging, problem-solving, and understanding of existing codeProficiency in coding, software design, and new development

While both roles require programming skills, Sustaining Software Engineers focus on maintaining and improving existing systems, whereas Software Developers primarily create new software solutions. The roles often overlap in industry and skills but differ in their core responsibilities.

Sr. Software Engineer

$123.40K - $162.70K/yr

Full-time, Part-time

Medical, Dental, Vision, Retirement, PTO

Posted 2 days ago


Exact Sciences rating

8.5

Company rating: 8.5 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

19th of 103 rated laboratories


Job description

Help us change lives

At Exact Sciences, we’re helping change how the world prevents, detects and guides treatment for cancer. We give patients and clinicians the clarity needed to make confident decisions when they matter most. Join our team to find a purpose-driven career, an inclusive culture, and robust benefits to support your life while you’re working to help others.

Position Overview

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity in a wide range of technical areas. This role will have a lead role in the design, development, and testing of software applications for Exact Sciences, creating expert design concepts and foolproof debugging.  This role will be able to resolve most issues and problems effectively with minimal oversight, communicate effectively with business stakeholders and mentor junior team members.  This role will routinely make key decisions for the team, be accountable for application quality, and be highly productive.

Working in our Software Engineering team, you will be responsible for developing, enhancing, and sustaining software systems in a cross-functional team environment through adherence to established design control processes and good engineering practices. You will design and create engineering specifications for building software programs based on a broad knowledge of information systems and determine what development methodology to use after documenting software requirements.

An ideal candidate will be comfortable growing others on the team as an informal leader. They would have very strong competency with Java and be knowledgeable about Spring Boot and Spring as it relates to building out microservices. Experience with Maven is a plus, as is experience with Kafka and/or HL7 and FHIR.

This hybrid role is based in Madison, Wisconsin.

Essential Duties

Include, but are not limited to, the following:

  • Demonstrate strong working knowledge, skills, and understanding of practices for complex programs and initiatives demonstrating creativity and substantial understanding of specialized techniques, processes, procedures.
  • Troubleshoot issues and problems of medium complexity for major software applications; break down complex tasks, make reasonable decisions, investigate and fix bugs, and operate independently.
  • Initiate independent designs that impact and influence the department’s delivery and approach. Lead reviewing design alternatives, problems, and solutions with an eye on limiting the need for later problem solving.
  • Consistently influence and make significant decisions within a project, demonstrating good judgment in selecting methods and techniques for obtaining solutions based in a solid understanding of business strategy and best practices with minimal instructions for difficult or unpredictable situations.
  • Contribute individual capabilities to the achievement of group objectives, and work effectively with others in a group setting. This includes mentoring, coaching, and technical guidance for junior members of the team.
  • Build successful internal and external partnerships with peers, SMEs, stakeholders, and decision-makers.
  • Communicate clear and concise project plans/designs and status updates for a project.
  • Ability to work nights and/or weekends, as needed.
  • Uphold company mission and values through accountability, innovation, integrity, quality, and teamwork.
  • Support and comply with the company’s Quality Management System policies and procedures.
  • Maintain regular and reliable attendance.
  • Ability to act with an inclusion mindset and model these behaviors for the organization.

Minimum Qualifications

  • Bachelor’s Degree in Data Science, Computer Science, Information Systems, Mathematics, or Engineering; or High School Diploma/General Education Degree and 4 years of relevant experience as outlined in the essential duties .
  • Complete knowledge and full understanding of software development design and development, and relevant domain specific skills.
  • Understanding of and significant experience with object-oriented programming.
  • RESTful web services, Relational Databases (Postgres, SQL Server), and ORM technologies (JPA2, Hibernate, Entities Framework). 
  • Demonstrated experience designing and developing apps that access and or utilize cloud-based frameworks (e.g., Azure, Amazon AWS Services/SDKs, etc.).
  • Agile development tools; including, but not limited to, JIRA, Confluence repository.
  • C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit.
  • Applicants must be currently authorized to work in country where work will be performed on a full or part-time basis. We are unable to sponsor or take over sponsorship of employment visas at this time.
  • Demonstrated ability to perform the essential duties of the position with or without accommodation.

Preferred Qualifications

  • 5+ years of experience in the Software Engineering discipline
  • Strong knowledge of healthcare interoperability standards such as HL7 and FHIR.
  • Experience using Java as a core language
  • Experience using Spring Boot or Spring to support Microservices
  • Experience using Maven
  • Experience using Kafka or other queuing systems
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Salary Range:

$101,000.00 - $172,000.00

 

The annual base salary shown is for this position located in US - WI - Madison on a full-time basis. In addition, this position is bonus eligible.

Exact Sciences is proud to offer an employee experience that includes paid time off (including days for vacation, holidays, volunteering, and personal time), paid leave for parents and caregivers, a retirement savings plan, wellness support, and health benefits including medical, prescription drug, dental, and vision coverage. Learn more about our benefits.

Our success relies on the experiences and perspectives of a diverse team, and Exact Sciences fosters a culture where all employees can develop personally and professionally with a sense of respect and belonging. If you require an accommodation, please contact us here.

Not ready to apply? Join our Talent Community to stay updated on the latest news and opportunities at Exact Sciences.

We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to disability, protected veteran status, and any other status protected by applicable local, state, or federal law.

To view the Right to Work, E-Verify Employer, and Pay Transparency notices and Federal, Federal Contractor, and State employment law posters, visit our compliance hub. The documents summarize important details of the law and provide key points that you have a right to know.


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