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Java Developer Jobs in Peoria, IL (NOW HIRING)

IT360, Inc.

AI Engineer

Peoria, IL · On-site

Strong programming skills in Python (preferred), Java, or C++. * Experience with machine learning frameworks such as TensorFlow, PyTorch, or Scikit-learn. * Proficiency in data manipulation and ...

IT360, Inc.

AI Engineer

Peoria, IL · On-site

$75K - $110K/yr

Strong programming skills in Python (preferred), Java, or C++. * Experience with machine learning frameworks such as TensorFlow, PyTorch, or Scikit-learn. * Proficiency in data manipulation and ...

IT360 Inc

AI Engineer

Peoria, IL · On-site

Strong programming skills in Python (preferred), Java, or C++. * Experience with machine learning frameworks such as TensorFlow, PyTorch, or Scikit-learn. * Proficiency in data manipulation and ...

Caterpillar

Full Stack Developer

East Peoria, IL · On-site

Caterpillar is seeking a Full Stack developer to join Financial Systems Data team. In this role you will play a key role in developing secure, high-performance applications tailored for financial ...

Jobtailor

Software Engineer IV

Pekin, IL · On-site

$110 - $190/hr

Uses DevOps and Agile processes to deliver desired functionality quickly and effectively, while iterating to continue development. * Owns all aspects of development, from user experience (UX) ...

Maui Jim

SAP SD & EDI Analyst

Peoria, IL · Hybrid

$85K - $95K/yr

Degree in Computer Science / Engineering / Economics /Management * 3-4+ years of experience ... Good understanding of SAP Netweaver technologies (Java and ABAP stacks) * Good understanding of ...

MAUI JIM, Inc.

SAP SD & EDI Analyst

Peoria, IL · On-site

$85K - $95K/yr

Degree in Computer Science / Engineering / Economics /Management * 3-4+ years of experience ... Good understanding of SAP Netweaver technologies (Java and ABAP stacks) * Good understanding of ...

Pentangle Tech

sil engineer1

Mossville, IL · On-site

SIL engineer Location: Mossville, IL Duration: Long Term Client: CAT This role requires full onsite work during the 2nd shift from 12 PM to 10 PM, four days a week 2nd shift, onsite role Join a ...

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All JobsJava Developer JobsJava Developer Jobs in Peoria, IL

Java Developer information

See Peoria, IL salary details

$15

$55

$75

How much do java developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for java developer in Peoria, IL is $55.63, according to ZipRecruiter salary data. Most workers in this role earn between $48.12 and $62.26 per hour, depending on experience, location, and employer.

What is a Java developer?

Java Developers are software professionals who specialize in designing, developing, and maintaining applications using the Java programming language. They work on a variety of projects, including web, desktop, and mobile applications, as well as enterprise-level systems. Java Developers are responsible for writing clean and efficient code, testing and debugging programs, and collaborating with other team members to deliver robust software solutions. Their expertise in Java and related technologies is crucial for building scalable and secure applications.

What do Java developers do?

Java developers create dynamic computer applications and websites using the Java computer programming language. The Java language integrates with other programming languages and infrastructures to build robust business applications and software for a wide range of industries, from finance and healthcare to content management and social media. Java developers may be involved in all stages of application development, from conception and design to testing, production, and ongoing maintenance. The goal is to provide efficient solutions for business needs.

What are the key skills and qualifications needed to thrive as a Java developer, and why are they important?

To thrive as a Java Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, usually supported by a degree in computer science or related fields. Familiarity with frameworks such as Spring or Hibernate, experience with version control systems like Git, and sometimes certification like Oracle Certified Professional Java Programmer (OCPJP) are commonly required. Effective problem-solving, teamwork, and attention to detail are crucial soft skills in this role. These skills ensure robust, maintainable, and scalable software solutions that meet project requirements and business goals.

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

Java Developers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring efficient performance, and integrating with legacy systems. Collaborating with cross-functional teams is crucial, as these projects typically involve multiple developers, QA engineers, and business analysts. Additionally, maintaining code quality and adhering to best practices while meeting tight deadlines can be demanding. Staying up-to-date with evolving frameworks and tools also plays a key role in overcoming these challenges.

What is the difference between Java Developer vs Software Engineer?

AspectJava DeveloperSoftware Engineer
Required CredentialsBachelor's in Computer Science or related, Java certificationsBachelor's in Computer Science or related, various certifications
Work EnvironmentDevelops Java-based applications, often in teamsDesigns and develops software solutions, may include Java projects
Employer & Industry UsageTech companies, finance, e-commerceBroad industry, including tech, finance, healthcare

Java Developers focus specifically on Java programming, while Software Engineers have a broader role in designing and developing software solutions across multiple languages. Both roles often require similar educational backgrounds and certifications, but Java Developers typically work more directly with Java-based projects, whereas Software Engineers may handle diverse technologies.

Is a Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud platforms can enhance job prospects in this field.
More about Java Developer jobs

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Java Developer jobs near you
Infographic showing various Java Developer job openings in Peoria, IL as of August 2026, with employment types broken down into 85% Full Time, 2% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $115,713 per year, or $55.6 per hour.

IT Software Engineer

Accord Technologies Inc.

Mossville, IL • On-site

Contractor

Re-posted 25 days ago

Job description

Title: IT Software Engineer 
Location; Mossville, IL
Duration: 12 months
Position type: W2 contract
 

Required Skills 
• Extensive experience with Matlab/Simulink, Stateflow, Simscape Power Systems, and Co-simulation
• Strong knowledge of linear control theory (PID with physics insight)
• Knowledge of advanced nonlinear control (adaptive, sliding mode, variable structure)
• Knowledge of intelligent control schemes (neural networks, fuzzy logic)
• Experience with embedded software implementation on multi-tasking RTOS or Linux-based systems
• Ability to debug software using Lauterbach, CANape, CANalyzer or equivalent tools
• Experience with version control (GIT/Ivy)
• Programming proficiency in Java, JavaScript, Python, C, and C++
Soft Skills (Mandatory):
• Verbal and written communication skills
• Problem-solving skills
• Customer service and interpersonal skills
• Ability to work independently and manage time effectively
Apply computer science and mathematical principles to design, develop, test, and evaluate software and systems – focusing on operating system level software, compilers, and network distribution software for industrial, medical, aerospace, business, and scientific applications.
Key Responsibilities:
• Modify existing databases and database management systems
• Write logical/physical database descriptions and specify identifiers to the management system
• Coordinate database development as part of a project team; determine project scope and limitations
• Review project requests to estimate time and cost required
• Develop control algorithms and software
• Run SIL and HIL simulations
• Validate controls on actual machines
• Participate in daily stand up meetings
• Conduct model development, team reviews, and model releases
• Work 90% in an office environment (PPE required for machine validation)
• Focus on new technology/control systems, diagnostics, optimization algorithms, and digital twins
• Collaborate closely with production teams and other business units
• Opportunity to contribute to concept, design, and development of complex components/subsystems while mentoring others and expanding professional networks
 
Required Education
• MS degree in Electrical/Electronic Engineering or Mechanical Engineering (or comparable field)
• 3+ years of industry experience post-MS
• PhD in Electrical/Electronic Engineering or Mechanical Engineering is preferred
• Bachelor’s degree or below is not eligible for this position.