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Developer Jobs in Peoria, IL (NOW HIRING)

Rfamec

Embedded Software Developer C++

Chillicothe, IL · On-site

$75 - $115/hr

RFA Engineering (www.rfamec.com ) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We are seeking an entry-level to experienced ...

Advent Global Solutions, Inc.

Mainframe Developer

Peoria, IL · On-site

$48 - $61.75/hr

Mainframe Developer Location: Peoria, IL Must Relocate Openings: 2 Required Skills: * COBOL Expert * JCL Expert * DB2 Expert * Mainframe Scheduler Expert * IMS DB Working knowledge strongly preferred

Droisys

Net Developer

Peoria, IL · On-site

$47.25 - $62.50/hr

Net Developer, Client- Caterpillar Location- Peoria IL, Required Qualifications: 2-4 years C# .Net WinForm Development Experience developing and debugging Windows Services and ODBC connections ...

Droisys

Net Developer

Peoria, IL · On-site

$47.25 - $62.50/hr

Net Developer, Client- Caterpillar Location- Peoria IL, Required Qualifications: • 2-4 years C# .Net WinForm Development • Experience developing and debugging Windows Services and ODBC ...

USM

Urgent Need Perl Developer

Peoria, IL · On-site

Position: Perl Developer Location: Peoria, IL Duration: 12 weeks long Top Three Skills: Additional Information If you are interested in the below position please forward your profile to alih ...

3B Staffing LLC

Front End Java Developer

Peoria, IL · On-site

Role: Front End Java Developer Location: Peoria IL Duration: 12 Months Required Person must be able to work both independently and in a teaming environment. Must be very organized and able to learn ...

3B Staffing LLC

Front End Java Developer

Peoria, IL · On-site

Role: Front End Java Developer Location: Peoria IL Duration: 12 Months Required Person must be able to work both independently and in a teaming environment. Must be very organized and able to learn ...

Leidos

Salesforce Support Developer

Peoria, IL · On-site

$54.50 - $72/hr

Leidos Engineering, LLC, the implementer for Ameren Illinois' award-winning energy efficiency programs, seeks a Salesforce Support Developer . The Salesforce Support Developer primary responsibility ...

Leidos

Salesforce Support Developer

Peoria, IL · On-site

$54.50 - $72/hr

Leidos Engineering, LLC, the implementer for Ameren Illinois' award-winning energy efficiency programs, seeks a Salesforce Support Developer . The Salesforce Support Developer primary responsibility ...

3B Staffing LLC

Software Developer - C++

Mossville, IL · On-site

Bachelor's or Master's degree in Computer Science, Robotics, Electrical Engineering, or related field. * 3+ years of experience in C++ development, preferably in automotive or robotics. * Experience ...

3B Staffing LLC

Software Developer - C++

Mossville, IL · On-site

$35.75 - $48.25/hr

Bachelor's or Master's degree in Computer Science, Robotics, Electrical Engineering, or related field. * 3+ years of experience in C++ development, preferably in automotive or robotics. * Experience ...

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Showing results 21-40

All JobsDeveloper JobsDeveloper Jobs in Peoria, IL

Developer information

See Peoria, IL salary details

$39.2K

$126.9K

$155.5K

How much do developer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for developer in Peoria, IL is $126,915.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $154,000.00 per year, depending on experience, location, and employer.

What is a developer?

A software developer—sometimes referred to as a software engineer, computer programmer, or computer scientist—designs and develops programs, applications, websites, and databases. Their responsibilities include creation, testing, and modification of the code that runs programs within IT systems. Software developers generally have a bachelor’s degree in computer science and are familiar with writing code in at least one programming language.

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

To thrive as a Developer, you need strong programming skills in languages like Java, Python, or JavaScript, paired with a solid understanding of algorithms and software development principles, often supported by a degree in computer science or related field. Familiarity with version control systems (such as Git), integrated development environments (IDEs), and sometimes cloud platforms or specific frameworks is typical. Problem-solving ability, attention to detail, and effective communication are standout soft skills for this role. These competencies are crucial for building reliable, maintainable software and collaborating efficiently within development teams.

What are some common challenges developers face when working on large-scale projects, and how can they overcome them?

Developers working on large-scale projects often encounter challenges such as coordinating with multiple team members, managing complex codebases, and ensuring consistent documentation. To overcome these obstacles, it's important to follow best practices like version control, code reviews, and regular communication through agile methodologies. Additionally, leveraging collaboration tools and maintaining clear documentation can help streamline workflows and minimize misunderstandings within the team.

What is the difference between Developer vs Software Engineer?

AspectDeveloperSoftware Engineer
CredentialsTypically requires a degree in computer science or related field, certifications varyOften requires a degree in computer science or software engineering, certifications may include Microsoft, AWS, etc.
Work EnvironmentWorks on coding, debugging, and implementing software applicationsDesigns, develops, tests, and maintains software systems, often involved in architecture decisions
Industry UsageCommonly used in tech companies, startups, and software firmsUsed across industries for system development, enterprise solutions, and software projects
Search & Comparison IntentPeople compare Developer with Software Engineer to understand roles and career paths

While both Developers and Software Engineers work on software projects, Developers primarily focus on coding and implementing features, whereas Software Engineers often take a broader role in designing and architecting software systems. The roles overlap significantly, but Software Engineers typically have a more comprehensive scope involving system design and engineering principles.

Is a developer still in demand?

Yes, developers are in high demand across many industries due to ongoing digital transformation and the need for software solutions. Skills in programming languages like Java, Python, and JavaScript, along with experience in cloud computing and agile environments, enhance job prospects in this field.
More about Developer jobs

What are the most commonly searched types of Developer jobs in Peoria, IL?

The most popular types of Developer jobs in Peoria, IL are:

What job categories do people searching Developer jobs in Peoria, IL look for?

The top searched job categories for Developer jobs in Peoria, IL are:

What cities near Peoria, IL are hiring for Developer jobs?

Cities near Peoria, IL with the most Developer job openings:

Developer jobs near you
Infographic showing various 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 $126,915 per year, or $61 per hour.

Analyst/Developer - General 3

Swoon Technology Resources LLC

East Peoria, IL • On-site

$55.03/hr

Full-time

Posted 19 days ago

Job description

Location: East Peoria,IL
Expected Start Date: Sep 7, 2026
ob Title: Analyst/Developer - Senior Integration Developer - 100286
Location: onsite Peoria, IL 100% M-F; open to relocation candidates but MUST be able to be onsite day 1 of contract (max 2 weeks from offer) and relocate at own costs (swoon nor client provide relocation services)
Type: Contract
Hours: 8-5 M-F (40 hour work week) with potential for OT
Pay: $55.03/hr w2 (exact rate no flex)
Length: 12 months-possibility to extend contract (no tenure limit)
Screenings: tech prior to submission, full panel drug and background once hired
IV process: 1-2 rounds
+optional benefits, long term contract with ability to extend or convert to full time
Must Haves:
Education & Experience Required:
  • Degree with 5+ years experience in this capacity
  • No degree, they must have 8 years or more in this capacity
Required Technical Skills
(Required)
  • IT related experience doing application Development, Support, and Architecture
  • Good understanding of Software Development Life Cycle
  • Prior experience creating architecture diagrams and design documentation
  • Successfully implemented both API and ETL based integration architectures
  • Prior experience working with Saas and cloud based technologies
  • Experience working with major applications with that serve thousands of users located globally.
Top candidate will have experience with:
- Snowflake
- Snaplogic
- SQL
- Python
- AI
- Github/Devops
Overview:
This job role will be responsible for gathering the requirements, providing the work estimates, preparing functional design, prototypes, and developing solutions for production implementation of integration solutions.
This role will work with a global team to develop back end integrations that move data between systems while providing web based real time status reporting. Development work will be on AWS lambda technology using Python. Candidate will need to learn Snaplogic if not already fluent.
The role is viewed as skilled in IT development methodologies, application development and troubleshooting.
Typical task breakdown:
  • Provide work estimates associated to complete tasks
  • Understand deployed solutions and support functional change as needed
  • Drive software solutions through the Software Development Lifecycle, from requirements through deployment and support
  • Work with business partners to understand challenges and provide solutions
  • Assign tasks to other developers located in other regions of the world
Interaction with team :
  • Working with business partners
  • Working with Project managers and architects.
  • Team consists of 15-20 folks, located globally.
  • Working with internal business partners and various developers.
  • Direct Team consists of 4 client employees US and other developers located in India
Work environment :
  • Onsite full time in Building AB (onsite 5 days a week )

#dcejobs
emilee.tingley@swoonstaffing.com

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