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Senior Software Development Engineer Jobs in Wisconsin

Monitise

Senior Software Engineer

Milwaukee, WI · On-site

$120K - $159K/yr

Senior Software Engineer EMPLOYER: Fiserv Solutions, LLC LOCATION: Milwaukee, WI (and various ... Transform business needs into technical documents while spearheading application development.

Fiserv, Inc.

Senior Software Engineer

Milwaukee, WI · On-site

$120K - $159K/yr

Senior Software Engineer EMPLOYER: Fiserv Solutions, LLC LOCATION: Milwaukee, WI (and various ... Transform business needs into technical documents while spearheading application development.

Standard Process Inc.

Sr Software Engineer

Palmyra, WI

$124K - $163K/yr

The Opportunity Under the direction of the Manager, Software Engineering, the Senior Software Engineer supports the architecture, development, integration, and ongoing reliability of enterprise ...

Standard Process, Inc.

Sr Software Engineer

Palmyra, WI · On-site

$124K - $163K/yr

The Opportunity Under the direction of the Manager, Software Engineering, the Senior Software Engineer supports the architecture, development, integration, and ongoing reliability of enterprise ...

Core BTS

Sr. Software Architect

Mayville, WI · On-site

$72 - $75/hr

Overview Our client is seeking a Senior Software Architect to lead the design, modernization, and ... Utilize source control, issue tracking, and DevOps tools to maintain development quality and ...

NTT DATA

SDET Consultant

Brookfield, WI · On-site

$46.75 - $60.50/hr

SDET Consultant NTT DATA's client is currently seeking a SDET Consultant to join their team in Brookfield, Wisconsin (US-WI), United States (Hybrid - 3 days onsite). Overall experience: 7+ years.

Fiserv, Inc.

Senior Software Engineer

Milwaukee, WI · On-site

$120K - $159K/yr

Senior Software Engineer EMPLOYER: Fiserv Solutions, LLC LOCATION: Milwaukee, WI (and various ... software development experience in Credit and Debit payment processing. Prior experience must ...

Direct Supply, Inc.

Senior Software Engineer

Milwaukee, WI · On-site

$120K - $159K/yr

In the Senior Software Engineer position, you'll lead the development of intelligent, adaptive, and scalable applications by leveraging AI-powered development tools, machine learning models, and ...

Directsupply

Senior Software Engineer

Milwaukee, WI

$120K - $159K/yr

In the Senior Software Engineer position, you'll lead the development of intelligent, adaptive, and scalable applications by leveraging AI-powered development tools, machine learning models, and ...

NTT Data Americas, Inc.

SDET Consultant

Brookfield, WI · On-site

$46.75 - $60.50/hr

NTT DATA's Client is currently seeking a SDET Consultant to join their team in Brookfield, Wisconsin (US-WI), United States (US). (Hybrid - 3 days onsite) SDET Consultant Overall Experience: 7+ Years ...

ULINE

Senior Software Engineer

Pleasant Prairie, WI · On-site

$118K - $156K/yr

Senior Software Engineer Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are ... Java development and SQL experience. * 5+ years of Microservices development with Java Spring ...

ULINE

Senior Software Engineer

Kenosha, WI

$119K - $157K/yr

Senior Software Engineer Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are ... Java development and SQL experience. * 5+ years of Microservices development with Java Spring ...

Uline

Senior Software Engineer

Pleasant Prairie, WI

$118K - $156K/yr

Senior Software Engineer Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are ... Java development and SQL experience. * 5+ years of Microservices development with Java Spring ...

ULINE

Senior Software Engineer

Milwaukee, WI · On-site

$120K - $159K/yr

Senior Software Engineer Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are ... Java development and SQL experience. * 5+ years of Microservices development with Java Spring ...

Uline

Senior Software Engineer

Pleasant Prairie, WI

$118K - $156K/yr

Senior Software Engineer Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are ... Java development and SQL experience. * 5+ years of Microservices development with Java Spring ...

ULINE

Senior Software Engineer

Pleasant Prairie, WI · On-site

$118K - $156K/yr

Senior Software Engineer Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are ... Java development and SQL experience. * 5+ years of Microservices development with Java Spring ...

Collabera

SDET/ Automation Engineer

Madison, WI

Job Title: SDET/ Automation Engineer Location: Madison, WI or Bellevue, WA Duration: 6 Months (Could go beyond) Basic Function: Develop automated acceptance tests focused around user clinical ...

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Showing results 1-20

All JobsSoftware Development Engineer JobsSenior Software Development Engineer JobsSenior Software Development Engineer Jobs in Wisconsin

Senior Software Development Engineer information

See Wisconsin salary details

$76.2K

$144.6K

$193.8K

How much do senior software development engineer jobs pay per year?

As of Jun 26, 2026, the average yearly pay for senior software development engineer in Wisconsin is $144,632.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,600.00 and $163,000.00 per year, depending on experience, location, and employer.

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

To thrive as a Senior Software Development Engineer, you need deep expertise in software engineering principles, advanced programming skills in languages such as Java, Python, or C++, and a bachelor's or higher degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms such as AWS or Azure, and experience with CI/CD pipelines are typically required, and certifications in these technologies can be advantageous. Strong problem-solving, leadership, and communication skills help you mentor junior engineers and collaborate effectively across teams. These competencies are critical for delivering robust solutions, driving technical innovation, and ensuring project success in complex engineering environments.

What are some common challenges Senior Software Development Engineers face when leading cross-functional projects?

Senior Software Development Engineers often encounter challenges such as aligning priorities across diverse teams, managing technical debt while delivering new features, and ensuring effective communication among stakeholders. Balancing hands-on coding with mentorship responsibilities and architectural decision-making can also be demanding. Success in this role typically requires strong interpersonal skills, proactive problem-solving, and the ability to adapt to shifting project requirements while maintaining high code quality.

Can I make 200k a year as a software engineer?

Senior Software Development Engineers in many regions can earn $200,000 or more annually, especially with experience, specialized skills, and working at large tech companies or in high-cost-of-living areas. Compensation often includes base salary, bonuses, and stock options, and reaching this level typically requires advanced expertise in areas like cloud computing, machine learning, or leadership roles.

What are Senior Software Development Engineers?

Senior Software Development Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior developers, and ensure software quality and best practices within a team. Their responsibilities include writing code, conducting code reviews, collaborating with cross-functional teams, and solving challenging technical problems. Senior Software Development Engineers typically have several years of industry experience and a deep understanding of software engineering principles.

Is L5 at Google Senior?

L5 at Google typically corresponds to a Software Engineer II or Senior Software Engineer level, which is considered an early to mid-career position rather than a senior role. Senior Software Development Engineers at Google usually start at L6 or higher, requiring extensive experience, technical leadership, and project management skills.

What is the difference between Senior Software Development Engineer vs Software Development Engineer?

AspectSenior Software Development EngineerSoftware Development Engineer
ExperienceTypically 5+ years, with leadership responsibilitiesEntry to mid-level, 1-3 years of experience
ResponsibilitiesDesigning complex systems, mentoring juniors, leading projectsImplementing features, fixing bugs, collaborating on code
Skills & CertificationsProficiency in multiple programming languages, system design, often with certificationsStrong coding skills, foundational knowledge, less emphasis on certifications
Work EnvironmentOften leads teams, involved in architecture decisionsFocused on individual contributions, team collaboration

The main difference between a Senior Software Development Engineer and a Software Development Engineer lies in experience, responsibilities, and leadership. Seniors typically lead projects and mentor others, while juniors focus on coding and task completion. Both roles are vital in software development teams, with seniors bringing more strategic input and mentorship.

What engineer makes $500,000 a year?

Senior Software Development Engineers at top tech companies or those with specialized skills in areas like machine learning, cloud computing, or cybersecurity can earn $500,000 or more annually, often including bonuses and stock options. Achieving this level typically requires extensive experience, advanced technical expertise, and a strong track record of impact within high-paying organizations.

What is L1, L2, L3, and L4 developer?

In the context of a Senior Software Development Engineer role, L1, L2, L3, and L4 typically refer to different levels of seniority or experience within a company's engineering ladder. L1 often indicates entry-level or junior engineers, while L2 and L3 represent increasing levels of experience and responsibility, with L4 usually denoting senior or lead engineers. These levels help define expectations for skills, project scope, and leadership within the development team.
Infographic showing various Senior Software Development Engineer job openings in Wisconsin as of June 2026, with employment types broken down into 71% Full Time, 20% Part Time, and 9% Contract. Highlights an 91% Physical, 4% Hybrid, and 5% Remote job distribution, with an average salary of $144,632 per year, or $69.5 per hour.

Senior Software Engineer

Monitise

Milwaukee, WI • On-site

$120K - $159K/yr

Full-time

Posted 16 days ago

Job description

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Senior Software Engineer

TITLE: Senior Software Engineer

EMPLOYER: Fiserv Solutions, LLC

LOCATION: Milwaukee, WI (and various unanticipated locations throughout the US subject to authorization from management)

DUTIES: Transform business needs into technical documents while spearheading application development. Ensure the quality of deliverables, conduct code reviews, analyze production challenges, and provide prompt resolutions. Design, code, and integrate new functionalities, implement security protocols, and ensure adherence to industry standards. Provide support to QA teams throughout the testing phase, prepare release documentation, and address any issues in a timely manner. Play an active role in project meetings and sprint planning sessions, and ensure that stakeholders are kept updated on progress and timelines. Support network certifications, manage application deployments, and collaborate with international teams to clarify requirements and develop effective solutions.

REQUIREMENTS: Bachelor's degree in Computer Science, Engineering or a related field and 4 years in any job title involving software development experience in Credit and Debit payment processing. Prior experience must include 4 years in the following: Building and building enterprise-grade secure and high-throughput payment platforms; Developing in .NET, C#, REST APIs, and Microsoft SQL; Architecting and operating AWS, Azure or GCP services in production; Delivering software via Agile methodologies; Working within CI/CD using GitLab; Engineering high availability and highly scalable payment processing applications; Implementing TCP/IP and socket-based network communications; and Building asynchronous multithreaded architecture for concurrent processing and low-latency performance.

TRAVEL: None

TO APPLY: Apply by selecting "Apply" on this page and following prompts to attach resume and submit.

JOB CODE: CR601

#P3M

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contactAskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements.Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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