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Senior Java Developer Jobs in Janesville, WI (NOW HIRING)

3B Staffing LLC

APIC /DP Sr. Developer

Poplar Grove, IL · On-site

APIC /DP Sr. Developer / Lead skills : - Knowledge of API design standards, patterns, and best ... Java, and J2EE. IIB Development - Developed Message Flows, ESQL Statements, Message Sets, Pub/Sub ...

Posted today

Abbott

Sr. Software Engineer

Madison, WI · On-site

$123K - $162K/yr

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity ... They would have very strong competency with Java and be knowledgeable about Spring Boot and Spring ...

Abbott

Sr. Software Engineer

Madison, WI · On-site

$123K - $162K/yr

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity ... They would have very strong competency with Java and be knowledgeable about Spring Boot and Spring ...

Abbott

Sr. Software Engineer

Madison, WI · On-site

$123K - $162K/yr

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity ... They would have very strong competency with Java and be knowledgeable about Spring Boot and Spring ...

Abbott

Senior Software Engineer

Madison, WI · On-site

$123K - $162K/yr

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity ... C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit. * Applicants must be ...

Abbott

Senior Software Engineer

Madison, WI · On-site

$123K - $162K/yr

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity ... C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit. * Applicants must be ...

Abbott

Senior Software Engineer

Madison, WI · On-site

$123K - $162K/yr

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity ... C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit. * Applicants must be ...

Blain's Farm & Fleet

Senior Web/App Engineer

Janesville, WI · Remote

$118K - $142K/yr

... g., Java, C#, Python, JavaScript) * Experience as a Senior Digital Engineer with a background in ... custom-built platforms, along with familiarity working with SaaS platforms such as Adobe, Oracle ...

Blain's Farm & Fleet

Senior Web/App Engineer

Janesville, WI · On-site

$118K - $142K/yr

... g., Java, C#, Python, JavaScript) * Experience as a Senior Digital Engineer with a background in ... custom-built platforms, along with familiarity working with SaaS platforms such as Adobe, Oracle ...

Jobtailor

Senior Software Engineer

Oregon, WI · On-site

$120 - $170/hr

Responsible for designing and creating engineering specifications for software applications and ... Java, Python (Django/Flask), C/C++, C#, Objective C, JavaScript, or Go * 5 years in defining system ...

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Senior Java Developer information

See Janesville, WI salary details

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$61

$84

How much do senior java developer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for senior java developer in Janesville, WI is $61.79, according to ZipRecruiter salary data. Most workers in this role earn between $54.13 and $69.04 per hour, depending on experience, location, and employer.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are some common challenges senior Java developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What are the key skills and qualifications needed to thrive as a senior Java developer?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What is a senior Java developer?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What are the most commonly searched types of Java Developer jobs in Janesville, WI? The most popular types of Java Developer jobs in Janesville, WI are:
What job categories do people searching Senior Java Developer jobs in Janesville, WI look for? The top searched job categories for Senior Java Developer jobs in Janesville, WI are:
What cities near Janesville, WI are hiring for Senior Java Developer jobs? Cities near Janesville, WI with the most Senior Java Developer job openings:
Senior Java Developer jobs near you

APIC /DP Sr. Developer

3B Staffing LLC

Poplar Grove, IL • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

At least 7 years of strong experience in Middleware Development, Administration and Support of IBM Integration Bus v10.0, WebSphere Message Broker, WebSphere DataPower XI50/52, XG 45 and API Connect. APIC /DP Sr. Developer / Lead skills : - Knowledge of API design standards, patterns, and best practices - Experience in designing and development of SOAP/REST based Web Services. - Knowledgeable in creation of XSLT, XSD & WSDL - Understanding of DataPower services like multi-protocol gateways, web service proxies, firewalls - Experience in design and development of multiple services based on different standards for SOAP / REST, web services, data integration techniques, messaging, and transformation engines and non-standard services (APIs). -Familiarity with JSON to XML, XML to JSON, and JSON to SOAP transformations using XSLT's - Familiarity with implementing SLM's policies for throttling - Familiarity in implementing OAuth2.0, SAML, and TLS 1.2 and mutual/2way SSL - Experienced in design message models and schema using JSON, XSD, SOAP, WSDL, Cobol Copybook etc. - Good to have some knowledge on developing the different DataPower components such as WSP, MGP, Crypto, and SSL profiles. Understanding of Enterprise Architecture Governance processes. Lead Skills - Must have worked in onsite / offshore model. - Good communication skills, organized, multi-tasking, assertiveness are skills that will help being successful on this role. - Drive solution development through requirements gathering, analysis, discovery, business plan creation, and solution level of effort estimates - Create end-to-end integration solutions development for enterprise software or hosted high tech services - Experience with Agile Methodology including Scaled Agile Framework (SAFe) is desired - Healthcare or Insurance/Financial services industry knowledge is preferred, but not required IIB V 10, Java, and J2EE. IIB Development - Developed Message Flows, ESQL Statements, Message Sets, Pub/Sub applications - Development experience using XML technologies: XSD, XSLT - Message transformations, translation, validation for incoming messages - Experience on Rest, Web services implementation, Compute node, http nodes, aggregation nodes, database integration nodes is a must. - Experience in version control, building bar files, overriding properties - Integration with DataPower. - Experience in designing, developing flows and supporting using IIB and APIC service components
Hours : 8:00am to 5:00pm
Education :
Additional Job Details : Location: Buffalo Grove, IL (remote until COVID)

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