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Mid Level Java Developer Jobs in Janesville, WI (NOW HIRING)

Senior Java Software Engineer

Madison, WI · On-site

$126K - $165K/yr

... developers with demonstrated achievements in developing Java based products. You'll work with and ... Advanced level proficiency and breadth in required code development in area of specialization.

Senior Java Software Engineer

Madison, WI · On-site

$126K - $165K/yr

... developers with demonstrated achievements in developing Java based products. You'll work with and ... Advanced level proficiency and breadth in required code development in area of specialization.

Senior Java Software Engineer

Madison, WI · On-site

$126K - $165K/yr

... developers with demonstrated achievements in developing Java based products. You'll work with and ... Advanced level proficiency and breadth in required code development in area of specialization.

CNC Mill Programmer

Rockford, IL · On-site

$25 - $35/hr

Programming experience is a plus. Company Description Since 1971, FurstStaffing has been servicing ... entry-mid level office and industrial careers. FurstProfessionals focuses on mid-management and ...

Mobile Developer - Android

Madison, WI · On-site

$56.25 - $73.75/hr

Andrroid Engineer Overview / Summary We are seeking a Mid-Senior Level Android Engineer to join our team in Madison. The ideal candidate will have strong experience developing Android applications ...

Senior Network Engineer

Mcfarland, WI · On-site

$97K - $133K/yr

Hoyos Consulting LLC is searching for a senior to mid-level Network Engineer to join our team, as we grow our network and consulting practice across Wisconsin and the Midwest. This position would ...

iOS/Andrroid Engineer Overview / Summary We are seeking a Mid-Senior Level Android Engineer to join our team in Madison. The ideal candidate will have strong experience developing Android ...

We bring together planners, engineers, architects, construction management staff, environmental ... Mentoring of junior and mid-level staff * Pursue projects, assist with proposals * Assist in ...

We bring together planners, engineers, architects, construction management staff, environmental ... Mentoring of junior and mid-level staff * Pursue projects, assist with proposals * Assist in ...

Showing results 21-40

Mid Level Java Developer information

See Janesville, WI salary details

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How much do mid level java developer jobs pay per hour?

As of Sep 13, 2026, the average hourly pay for mid level java developer in Janesville, WI is $56.60, according to ZipRecruiter salary data. Most workers in this role earn between $49.42 and $64.57 per hour, depending on experience, location, and employer.

What is a mid level Java developer?

A Mid Level Java Developer is responsible for designing, developing, and maintaining Java-based applications. They typically have 2-5 years of experience and work on coding, debugging, and optimizing software solutions. They collaborate with teams, follow best coding practices, and may mentor junior developers. Their role involves understanding project requirements, integrating APIs, and ensuring application performance. Mid Level Java Developers contribute to both backend and frontend development, depending on the project needs.

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

Successful Mid Level Java Developers possess a solid understanding of Java programming, object-oriented design, and commonly used frameworks such as Spring or Hibernate, typically backed by a relevant degree and professional experience. Familiarity with tools like Git, Maven, popular IDEs (e.g., IntelliJ IDEA or Eclipse), and certifications like Oracle Certified Professional Java Programmer (OCPJP) are advantageous. Strong collaboration, problem-solving abilities, and effective communication skills help developers work efficiently within agile teams and cross-functional projects. Mastering both technical and soft skills ensures smooth project delivery, maintainable code quality, and productive teamwork in dynamic software development environments.

What does a typical workday look like for a mid level Java developer?

As a Mid Level Java Developer, your typical workday often involves writing and testing Java code, troubleshooting existing applications, and participating in code reviews. You'll collaborate closely with other developers, QA engineers, and sometimes product managers in agile sprints to ensure features are delivered according to requirements. Daily stand-up meetings are common, as is the use of tools like Jira for tracking tasks. You may also spend time learning new frameworks or best practices, which helps with both personal growth and contributing to more efficient software solutions.

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 are popular job titles related to Mid Level Java Developer jobs in Janesville, WI?

For Mid Level Java Developer jobs in Janesville, WI, the most frequently searched job titles are:

What job categories do people searching Mid Level Java Developer jobs in Janesville, WI look for?

The top searched job categories for Mid Level Java Developer jobs in Janesville, WI are:

What cities near Janesville, WI are hiring for Mid Level Java Developer jobs?

Cities near Janesville, WI with the most Mid Level Java Developer job openings:

Mechanical Systems Engineer

Winnebago, IL • On-site

Constellation Energy
Clean Energy Equipment Manufacturing • 10K+ employees

$87K - $154K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 29 days ago


Constellation Energy rating

8.6

Company rating: 8.6 out of 10

Based on 101 frontline employees who took The Breakroom Quiz


Job description

Who We Are

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

The Mechanical Systems Engineer position is based out of our Byron Clean Energy facility in Byron, IL.


Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.

Total Rewards

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more.

*****************This Engineering role can be filled at Entry level,  Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level*********************************** 

Entry Level - $87,000

Mid Level - $92,700-$114,000 

Sr Level - $122,400-$154,000 

Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K 

Primary Purpose of Position

Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear plant operations.

Primary Duties and Accountabilities

  • Perform engineering and technical tasks as assigned by supervision applying general engineering principles
  • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, engineering specifications and all regulatory requirements.
  • Participate in the development and implementation of effective processes and techniques at appropriate levels of detail and in compliance with established policies and procedures.
  • Recommend format and methodology improvements to standard processes and procedures.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

MINIMUM QUALIFICATIONS for Entry Level E01 Engineer &ndash New Graduate 

  • B.S  in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) 
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

MINIMUM QUALIFICATIONS for Mid-level E02 Engineer

  • B.S. in Engineering, a minimum 2 years Nuclear experience or related engineering experience
  • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants"
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

MINIMUM QUALIFICATIONS for Senior E03 Engineer

  • B.S. in Engineering, a minimum 5 years Nuclear experience or related engineering experience
  • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants"
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Preferred Qualifications

  • BS Mechanical, Civil, Industrial or Chemical Engineering
  • Engineer in Training Certification
  • Good grasp of techniques and a good understanding of the fundamental functions performed by the group. As responsibility increases within the organization
  • Experience with raw water systems
  • Nuclear power plant experience

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