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Developer Jobs in Belleville, IL (NOW HIRING)

DMC Engineering

SCADA Developer

Saint Louis, MO · Hybrid

About DMC DMC is a leading engineering consulting firm and Ignition Premier Partner, delivering high-caliber engineering, SCADA, MES, and custom software development services globally. We specialize ...

World Wide Technology

Developer

Saint Louis, MO · On-site

Lead Developer World Wide Technology, Inc. currently has an opportunity available for a Lead Developer on the IT Software Engineering COE - Core Development team located at our headquarters in St.

Purple Drive

REACT DEVELOPER

Saint Louis, MO · On-site

React Developer Location: St. Louis, MO (Onsite) Employment Type: Contract / Full-Time We are seeking a highly skilled React Developer responsible for designing, developing, and delivering scalable ...

MarketVolt

Software Developer

Saint Louis, MO

NET Software Developer / Software Engineer / Web Application Developer MarketVolt, LLC, a digital marketing software and services firm based in St. Louis, seeks a creative software developer who can ...

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...

aqua IT

DevOps Engineer

Saint Louis, MO

$51.25 - $70.25/hr

We have an opening for a Senior DevOps Engineer with strong networking experience to assist with the development, integration, deployment, and sustainment of mission critical systems.

Marketvolt

Software Developer

Saint Louis, MO · On-site

NET Software Developer / Software Engineer / Web Application Developer MarketVolt, LLC, a digital marketing software and services firm based in St. Louis, seeks a creative software developer who can ...

Cognizant Technologies

iPhone Developer

Saint Louis, MO · On-site

Recommend software upgrades to optimize operational efficiency Collaborate with other developers to design and optimize code Create flowcharts and user guides for new and existing programs Document ...

Futran Tech Solutions Pvt. Ltd.

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St. Louis, MO Strong Programming skills (OOP, SOLID, 12-factor). Java is preferred. Experience with distributed systems design and architecture Strong experience with CI/CD ...

Atria Group LLC

Unix Developer

Saint Louis, MO

Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...

Stifel

Developer II

Saint Louis, MO · On-site

The Developer II will participate in all phases of the development process including design, integration and maintenance while observing proper behaviors, patterns, and standards. The Developer II ...

Deloitte

Mainframe Developer

Saint Louis, MO · Hybrid

$47.75 - $61.25/hr

As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery Talent ...

Stifel

Developer II

Saint Louis, MO · On-site

The Developer II will begin to learn cross-disciplinary development skills in a full-stack environment. The Developer II will ensure that Stifel's best practices are used in all development projects ...

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...

Stifel

Developer II

Saint Louis, MO · On-site

The Developer II will begin to learn cross-disciplinary development skills in a full-stack environment. The Developer II will ensure that Stifel's best practices are used in all development projects ...

Booz Allen Hamilton

Agentic AI Developer

O Fallon, IL · On-site

$99K - $225K/yr

R0241538 Agentic AI Developer The Opportunity: As an experienced engineer, you know that machine learning is critical to understanding and processing massive datasets. Your ability to conduct ...

Apex Informatics

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St Louis, MO * 10+ years of hands-on software engineering experience * Excellent hands-on experience in Java * Experience in developing REST services. * Experience in unit ...

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All JobsDeveloper JobsDeveloper Jobs in Belleville, IL

Developer information

See Belleville, IL salary details

$38.9K

$125.6K

$154K

How much do developer jobs pay per year?

As of Jun 28, 2026, the average yearly pay for developer in Belleville, IL is $125,636.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,000.00 and $152,500.00 per year, depending on experience, location, and employer.

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.

What are developers?

Developers, often referred to as software developers or programmers, are professionals who design, build, test, and maintain software applications or systems. They use programming languages and development tools to create solutions that meet the needs of users or organizations. Developers may work on a variety of projects, including websites, mobile apps, games, and enterprise software. Their responsibilities often include writing code, troubleshooting issues, collaborating with other team members, and keeping up with emerging technologies.

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 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 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.

More about Developer jobs
What are the most commonly searched types of Developer jobs in Belleville, IL? The most popular types of Developer jobs in Belleville, IL are:
What are popular job titles related to Developer jobs in Belleville, IL? For Developer jobs in Belleville, IL, the most frequently searched job titles are:
What job categories do people searching Developer jobs in Belleville, IL look for? The top searched job categories for Developer jobs in Belleville, IL are:
What cities near Belleville, IL are hiring for Developer jobs? Cities near Belleville, IL with the most Developer job openings:
Developer jobs near you
Infographic showing various Developer job openings in Belleville, IL as of June 2026, with employment types broken down into 78% Full Time, 9% Part Time, 1% Temporary, and 12% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $125,636 per year, or $60.4 per hour.

SCADA Developer

DMC Engineering

Saint Louis, MO • Hybrid

Full-time

Posted 7 days ago

Job description

(Hybrid)
Available in 13 office locations nationwide (excluding Austin)
Description
DMC is seeking an experienced SCADA Developer to design and deliver scalable industrial automation and data systems. You'll work hands on with Ignition to build solutions that integrate with PLCs, historians, and enterprise systems, owning projects from concept through commissioning. This role is ideal for someone with deep Ignition expertise and strong systems thinking who enjoys solving complex technical challenges. You'll join a team recognized for award winning work, including Inductive Automation's prestigious Firebrand Award and first place in the ICC Build-a-thon, and help deliver high impact solutions that drive real results for clients.

About DMC
DMC is a leading engineering consulting firm and Ignition Premier Partner, delivering high-caliber engineering, SCADA, MES, and custom software development services globally. We specialize in innovative solutions for manufacturing, testing, and product development, with experience spanning industries including aerospace, consumer packaged goods, healthcare, and more. Our rapidly growing Ignition team is at the forefront of enterprise-scale deployments, giving engineers the opportunity to work on technically challenging projects that push the platform to its limits. Across DMC, engineers stay ahead of emerging technologies while delivering top-notch solutions in a collaborative environment that supports both independent ownership and team-based work, reflecting our commitment to technical excellence, professional growth, and forward-thinking client impact.

Responsibilities

  • Design, develop, and deploy industrial SCADA and automation systems across diverse industries
  • Build scalable and maintainable solutions that integrate with PLCs, data historians, and enterprise systems
  • Develop and configure Ignition-based applications and architectures
  • Apply strong systems thinking to ensure reliable, high-performance solutions
  • Contribute across the full project lifecycle, including concept development, design, implementation, testing, and commissioning
  • Willingness to mentor early career engineers

Requirements
Must be authorized to work in the U.S. without employer sponsorship now or in the future.

  • Bachelor's degree in Engineering (Electrical, Mechanical, Computer, or related field)
  • Minimum GPA of 3.4
  • 3+ years of relevant experience
  • Experience with Ignition or comparable SCADA platforms
  • Strong understanding of PLC systems and industrial communication protocols (e.g., EtherNet/IP, Modbus, OPC UA)
  • Demonstrated ability to design and deploy SCADA systems, including architecture, scripting, and enterprise implementations
  • Familiarity with integrating SCADA systems with databases (e.g., SQL Server, PostgreSQL) and enterprise applications
  • Proficiency in programming, including object-oriented concepts and text-based languages
  • Strong communication, customer-facing, and time management skills, with the ability to manage multiple projects
  • Experience working directly with customers or stakeholders in a client-facing environment
  • Ability to travel up to 20%

Compensation
Starting compensation is based on industry, relevant experience and location standards.

  • Engineer Levels II & III (3-5 years relevant experience): $95,000 - $115,000
  • Engineering Levels III & Above (5-10 years relevant experience): $115,000 - $165,000+

Additional Information

  • Benefits/Culture/Bonuses and More!
  • Office Locations
  • DMC Website
  • Engineering Blogs
  • Additional Career Opportunities

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