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Junior Web Developer Jobs in O Fallon, IL (NOW HIRING)

The Timberline Group

Xamarin Developer

Saint Louis, MO · On-site +1

Role Summary The Web Application Developer's responsibilities may include: * Providing team ... Mentor and develop junior team members. What we need you to bring to the table: * Xamarin * . NET 4 ...

Interco

Junior Software Developer

Saint Louis, MO · On-site

$60K - $65K/yr

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and ... Proven experience as a Software Developer, building complex web applications or ERP systems with a ...

Interco Trading

Junior Software Developer

Saint Louis, MO · On-site

$60K - $65K/yr

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and ... Proven experience as a Software Developer, building complex web applications or ERP systems with a ...

Interco

Junior Software Developer

Saint Louis, MO

$60K - $65K/yr

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and ... Proven experience as a Software Developer, building complex web applications or ERP systems with a ...

Interco Trading

Junior Software Developer

Saint Louis, MO · On-site

$60K - $65K/yr

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and ... Proven experience as a Software Developer, building complex web applications or ERP systems with a ...

JS Consulting

Senior Developer

Saint Louis, MO · On-site

$53 - $70/hr

Work on the latest web technologies including Angular (19), .Net Core, Web API and Typescript ... Must be able to mentor junior development team staff and ensure completion of assigned projects by ...

Sovereign Technologies

Junior C# Developer

Saint Louis, MO

$65K - $84K/yr

Company Description The individual in the Programmer Analyst role is responsible for using technical skills and programming experience to define and program solutions to problems and requests of ...

Omni Federal

Software Developer Lead

Saint Louis, MO · On-site

$112K - $141K/yr

Lead a team and development efforts for a Geospatial web application deployed to multiple security ... Mentoring Mid and Junior engineers and removing roadblocks. Nice to have * Experience working with ...

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Junior Web Developer information

See O Fallon, IL salary details

$28K

$73.9K

$109.6K

How much do junior web developer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for junior web developer in O'Fallon, IL is $73,919.00, according to ZipRecruiter salary data. Most workers in this role earn between $51,300.00 and $74,200.00 per year, depending on experience, location, and employer.

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

To thrive as a Junior Web Developer, you need a solid understanding of HTML, CSS, JavaScript, and basic programming principles, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, web frameworks, and development tools such as Visual Studio Code is typically required. Strong problem-solving skills, attention to detail, and the ability to collaborate effectively with others help you stand out in this role. These competencies are crucial for building high-quality websites, adapting to fast-changing technologies, and contributing successfully to team projects.

What is a junior web developer?

Junior Web Developers are entry-level professionals who assist in building and maintaining websites and web applications. They typically work under the supervision of more experienced developers, helping with tasks such as coding, debugging, and testing. Junior Web Developers usually have foundational knowledge of programming languages like HTML, CSS, and JavaScript, and may also work with frameworks or content management systems. Their role is essential for gaining practical experience and advancing to more senior web development positions.

What are some common challenges faced by junior web developers during their first year on the job?

Junior Web Developers often encounter challenges such as adapting to new coding standards, understanding legacy codebases, and effectively collaborating within cross-functional teams. Balancing the need to learn new technologies quickly while delivering projects on tight deadlines can also be demanding. However, many organizations offer mentorship, code reviews, and regular team meetings to help junior developers grow their technical and communication skills, making it easier to overcome these initial hurdles.

Is it hard to get a junior web developer job?

Securing a junior web developer position can be competitive, but it is achievable with a solid foundation in HTML, CSS, JavaScript, and relevant frameworks. Building a portfolio, gaining practical experience through internships or projects, and having basic knowledge of version control tools like Git can improve chances of employment.

What does a junior web developer do?

A junior web developer works with a team of developers to create new websites and applications. The junior designation means you work under the supervision of senior developers in your department, but you may be involved in all stages of the project, from brainstorming to final testing. As a junior web developer, you meet with clients to review web design needs and preferences and provide advice on website maintenance. While working on the project, you need to make sure to follow company protocols, federal regulations, and user needs. After working in the industry for several years, you may choose to seek senior developer positions.

What is the difference between Junior Web Developer vs Web Designer?

AspectJunior Web DeveloperWeb Designer
Required SkillsHTML, CSS, JavaScript, basic codingDesign principles, UI/UX, graphic tools
CertificationsWeb development courses, coding bootcampsDesign certifications, Adobe Creative Suite
Work EnvironmentCollaborates with developers, coding tasksCreates visual layouts, user interfaces
Industry UsageWeb development teams, tech companiesDesign agencies, marketing firms

The main difference between a Junior Web Developer and a Web Designer lies in their focus: developers work on coding and building websites, while designers focus on visual design and user experience. Both roles often collaborate but require different skill sets and tools.

More about Junior Web Developer jobs

What are the most commonly searched types of Web Developer jobs in O'Fallon, IL?

The most popular types of Web Developer jobs in O'Fallon, IL are:

What are popular job titles related to Junior Web Developer jobs in O'Fallon, IL?

For Junior Web Developer jobs in O'Fallon, IL, the most frequently searched job titles are:

What job categories do people searching Junior Web Developer jobs in O'Fallon, IL look for?

The top searched job categories for Junior Web Developer jobs in O'Fallon, IL are:

What cities near O'Fallon, IL are hiring for Junior Web Developer jobs?

Cities near O'Fallon, IL with the most Junior Web Developer job openings:

Junior Web Developer jobs near you
Infographic showing various Junior Web Developer job openings in O'Fallon, IL as of August 2026, with employment types broken down into 67% Full Time, 10% Part Time, and 23% Contract. Highlights an 84% In-person, 3% Hybrid, and 13% Remote job distribution, with an average salary of $73,919 per year, or $35.5 per hour.

Xamarin Developer

The Timberline Group

Saint Louis, MO • On-site, Remote

Full-time

Re-posted yesterday

Job description

Role Summary
The Web Application Developer's responsibilities may include:
  • Providing team participation and possibly leadership in supporting full project life cycle initiatives
  • Serve on project development teams.
  • Providing technical solutions, tool/software alternatives and capabilities, design specifications and recommendations related to technical issues.
  • Conduct technical interview of potential candidates, evaluate both existing and potential team members.
  • Mentor and develop junior team members.

What we need you to bring to the table:
  • Xamarin
  • . NET 4.5
  • C#
  • ASP.NET MVC
  • Web API's
  • Entity Framework
  • Angular JS or Knockout
  • Strong communication skills with the ability to communicate to technical, non-technical and clients.
  • Demonstrated ability to work independently and as a team member.
  • Candidates Azure experience will be given preference.

The Timberline Group
Phone: 636-209-5537
PO Box 385, Lebanon, MO 65536
www.timberlinegrp.com
resumes@timberlinegrp.com
"Delivering quality solutions through quality people"

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