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

Suphestic Inc

JavaScript Developer

Saint Louis, MO · On-site

... DevOps tools. Position Purpose: * Design, build, test and maintain scalable and stable off the ... Demonstrated knowledge of web technologies such as HTML, CSS, and JavaScript. Additional ...

Suphestic Inc

JavaScript Developer

Saint Louis, MO

... DevOps tools. Position Purpose: * Design, build, test and maintain scalable and stable off the ... Demonstrated knowledge of web technologies such as HTML, CSS, and JavaScript. Additional ...

Stereotaxis

Senior Full Stack Developer

Saint Louis, MO · On-site

The Senior Full Stack Developer is responsible for designing, developing, and maintaining a scalable, cloud native software platform consisting of Flutter-based web and mobile applications and an ASP.

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All JobsJr Web Developer JobsJr Web Developer Jobs in O'Fallon, IL

Jr Web Developer information

See O Fallon, IL salary details

$28K

$73.9K

$109.6K

How much do jr web developer jobs pay per year?

As of Jun 25, 2026, the average yearly pay for jr 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.

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 are some common challenges faced by Jr Web Developers when working on team projects, and how can they overcome them?

Jr Web Developers often face challenges such as understanding legacy code, adapting to different coding standards, and effectively communicating their ideas within a team. To overcome these, it's helpful to ask questions early, participate actively in code reviews, and familiarize yourself with the team's workflow and documentation. Collaborating with more experienced developers and using version control tools like Git can also smooth the transition into larger projects.

Is 40 too old to become a web developer?

Age is not a barrier to becoming a Jr Web Developer; many successful developers start later in life. Skills such as HTML, CSS, JavaScript, and continuous learning are more important, and coding bootcamps or online courses can help new learners regardless of age.

Will AI replace junior dev?

AI is unlikely to fully replace junior web developers, as they perform tasks that require creativity, problem-solving, and understanding of user needs. Instead, AI tools can assist junior developers by automating repetitive coding tasks and improving efficiency, allowing them to focus on learning and complex problem-solving. Developing skills in programming languages, frameworks, and tools remains essential for growth in this role.

What are Jr Web Developers?

Jr Web Developers are entry-level professionals who help build and maintain websites and web applications. They typically work under the supervision of more experienced developers, assisting with coding, debugging, and testing web projects. Jr Web Developers use programming languages like HTML, CSS, and JavaScript, and may also work with frameworks and content management systems. Their responsibilities often include updating website content, fixing bugs, and learning new technologies to grow their skills.

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

To thrive as a Jr Web Developer, you need a solid understanding of HTML, CSS, JavaScript, and basic programming concepts, often demonstrated through a relevant degree or portfolio of projects. Familiarity with code editors, version control systems like Git, and popular frameworks such as React or Bootstrap is typically expected. Strong problem-solving skills, attention to detail, and effective communication help you collaborate and learn quickly in team environments. These skills ensure you can contribute to web projects efficiently, adapt to new technologies, and support the team in building robust, user-friendly websites.

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

AspectJr Web DeveloperWeb Designer
Required SkillsHTML, CSS, JavaScript, basic codingDesign tools, UI/UX principles, graphic design
Work EnvironmentDevelopment teams, coding projectsDesign studios, client meetings
Common CertificationsWeb development certifications, coding bootcampsGraphic design certifications, Adobe certifications

Jr Web Developers focus on coding and building websites, while Web Designers concentrate on visual design and user experience. Both roles often collaborate but require different skill sets and tools. Understanding these differences helps job seekers target the right roles based on their skills and interests.

How much can a junior web developer earn?

A junior web developer typically earns between $40,000 and $65,000 annually, depending on location, skills, and industry. Entry-level positions often require knowledge of HTML, CSS, JavaScript, and basic frameworks, with salaries increasing as experience and proficiency grow.
What job categories do people searching Jr Web Developer jobs in O'Fallon, IL look for? The top searched job categories for Jr Web Developer jobs in O'Fallon, IL are:
What cities near O'Fallon, IL are hiring for Jr Web Developer jobs? Cities near O'Fallon, IL with the most Jr Web Developer job openings:
Jr Web Developer jobs near you
Infographic showing various Jr Web Developer job openings in O'Fallon, IL as of June 2026, with employment types broken down into 53% Full Time, 22% Part Time, 3% Temporary, and 22% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $73,919 per year, or $35.5 per hour.

Developer C# .Net

The Timberline Group

Saint Louis, MO

Other

Posted 21 days ago

Job description


We are seekingafull stack developer withJavaScript andC# .NET development to join our team in St. Louis, MO. This position has emphasis on front end development, but will be involved in all aspects of the software stack. You will have the opportunity to utilize a wide range of new development technologies while performing full life-cycle development of new projects as well as upgrading existing projects for our clients. We offer competitive salaries, full benefits, and a challenging fast paced work environment.
Job Responsibilities:
  • Develop user interfaces for mobile and desktop applications that communicate with external web services.
  • Develop internal and external web services using RESTful API design practices
  • Collaborate on a Scrum Agile team to design and develop software solutions that provide value to the business.
SUPERVISORY RESPONSIBILITIES:
This position has no supervisory responsibilities.
Requirements:
At least two (2) years of programming/engineering and design experience with the following skills:
  • Knowledge of JavaScript practices.
  • C# .Net development
  • Proficient in HTML and CSS.
  • Source code systems such as GIT or TFS.
  • Web API or similar RESTful services
  • SQL Databases
  • Professional communication skills.
Preferences:
  • Angular 4 or greater experience a big plus
  • MVC experience a plus
  • Agile experience a plus
  • Apache Cordova experience a plus
  • Unit testing experience a plus
  • User interface and graphic design skills a plus.
  • ADO .NET experience a plus
  • ATOM and Visual Studio 2017 experience a plus
  • TFS 2017 experience a plus
  • Gulp, Webpack and NPM experience a plus
Education / Other Experience:
College Degree or equivalent experience

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