ZipRecruiter

Log In

1

Full Stack Java Developer Jobs in O Fallon, IL (NOW HIRING)

Gemini

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Java Developer Location: St.Louis, MO - Inperson Interview Job Type: Full Time Only OPT EAD, CPT ... Full Name: Current Location: Contact Details: E-Mail ID: Availability Status: Willing to Relocate:

Gemini

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St.Louis, MO - Inperson Interview Job Type: Full Time Only OPT EAD, CPT ... Full Name: Current Location: Contact Details: E-Mail ID: Availability Status: Willing to Relocate:

Innova Solutions

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

MO, US As a Java Developer, you will: We are seeking a skilled Java Backend Engineer to join our dynamic team. As a Backend Engineer, you will be responsible for developing and maintaining robust ...

ClifyX

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Are you a passionate Java Engineer with experience building systems in a fast-paced agile environment? Here at, we are changing the world through the most advanced cloud-native ...

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Required Skills: 5+ years advanced computer programming skills in Java, Java Servlet, Javabean, EJB ... full life-cycle software applications development (i.e., design, construction, testing, and ...

The Timberline Group

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on customers' needs * The ability to develop technical documentation * Proficient knowledge of Java ...

The Timberline Group

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on customers' needs * The ability to develop technical documentation * Proficient knowledge of Java ...

The Timberline Group Company

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Strong understanding of object oriented programming * Ability to analyze and develop Java solutions based on customers' needs * The ability to develop technical documentation * Proficient knowledge ...

Atria Group LLC

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Unigroup is in need of a senior Java developer. They will be part of a 10+ person team developing on a large rewrite of their enterprise system along with smaller projects as well. This individual ...

Pyramid IT

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Java Developer Location - St. Louis, MO Duration: Long term contract Work Authorization status : US Citizen & Green card only Mandatory Skills: J2EE (Java, JSP, Servlets, Filters, Listeners, JSTL, EL ...

Georgia IT Inc

Java Developer- St Louis

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Position- Java Developer Location- St Louis, MO Duration- Contract Rate- DOE • Strong Java developer with very good understanding of micro services. • Grasp of software engineering skills in ...

Deloitte

Full Stack Engineer

Saint Louis, MO · On-site

Work you'll do As a Full-stack Software Engineer , you will actively engage in your engineering ... Angular, React, NodeJS, Python, C#, .NET Core, Java, Golang, SQL/NoSQL. * 5+ years of experience ...

next page

Showing results 1-20

All JobsFull Stack Java Developer JobsFull Stack Java Developer Jobs in O'Fallon, IL

Full Stack Java Developer information

See O Fallon, IL salary details

$10

$54

$72

How much do full stack java developer jobs pay per hour?

As of Jun 22, 2026, the average hourly pay for full stack java developer in O'Fallon, IL is $54.18, according to ZipRecruiter salary data. Most workers in this role earn between $47.07 and $60.77 per hour, depending on experience, location, and employer.

Is Java outdated in 2026?

Java remains a widely used programming language for full stack development in 2026, with ongoing updates and a large ecosystem of frameworks like Spring. Its stability, performance, and extensive community support make it a relevant skill for full stack Java developers, especially in enterprise environments. Staying current with the latest Java versions and related tools is important for maintaining competitiveness in the job market.

Can I learn Java full stack in 3 months?

Full Stack Java Developer roles typically require a strong understanding of Java, front-end technologies, databases, and frameworks, which usually takes longer than three months to master thoroughly. While intensive learning programs or bootcamps can provide foundational skills within this timeframe, becoming proficient for a professional role generally requires ongoing practice and experience beyond three months.

What is a Full Stack Java Developer?

A Full Stack Java Developer is a software professional skilled in both front-end and back-end development using Java technologies. They are proficient in building complete web applications, handling everything from designing user interfaces and user experiences to managing databases and server-side logic. Typically, they work with frameworks like Spring Boot for the backend and technologies like HTML, CSS, and JavaScript for the frontend, ensuring seamless integration between the two. Full Stack Java Developers are valued for their versatility and ability to manage all aspects of the software development process.

Is Java full stack in demand in 2026?

Full Stack Java Developer roles are expected to remain in demand in 2026 due to the continued need for versatile developers skilled in both front-end and back-end technologies, including frameworks like Spring and tools such as Java EE. As organizations adopt cloud computing and microservices architectures, expertise in Java and related technologies will be valuable for building scalable applications.

What are the typical challenges Full Stack Java Developers face when working on cross-functional teams?

Full Stack Java Developers often collaborate with front-end designers, back-end engineers, and QA specialists, which can lead to challenges in aligning technical requirements, timelines, and coding standards. Navigating different priorities and communication styles is common, especially when integrating new features or resolving bugs that span both client and server sides. Success in this environment requires flexibility, proactive communication, and a willingness to quickly adapt to shifting project needs or technologies.

What Is a Full Stack Java Developer?

A full stack Java developer is a web developer that uses the Java language in the development of the entire technology stack of a web-based application. The job duties of a full stack Java developer are to create both front-end components, such as user interfaces and back-end components, such as application code and databases. As a full stack Java developer, you must understand how the entire technology stack functions as a whole and have deep expertise of each component. Java is a computer programming language that has become one of the most popular for web application development.

What is the difference between Full Stack Java Developer vs Backend Java Developer?

AspectFull Stack Java DeveloperBackend Java Developer
Required SkillsJava, front-end (HTML, CSS, JavaScript), frameworks like Angular/React, databasesJava, server-side frameworks (Spring, Hibernate), databases, APIs
Work EnvironmentDevelops both client and server-side applications, often in agile teamsFocuses on server-side logic, APIs, and database integration
CertificationsJava certifications, full stack development coursesJava certifications, backend-specific courses
Industry UsageStartups, tech companies, full stack rolesEnterprise applications, backend services, API development

Full Stack Java Developers work on both front-end and back-end components, requiring a broader skill set. Backend Java Developers focus solely on server-side logic and database integration. The choice depends on your interest in full application development versus specialized backend work.

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

To thrive as a Full Stack Java Developer, you need strong proficiency in Java, front-end frameworks (such as Angular or React), back-end technologies, and a solid understanding of databases, often supported by a degree in computer science or a related field. Familiarity with version control systems like Git, build tools such as Maven or Gradle, and knowledge of Spring Boot or similar frameworks are typically required, along with relevant certifications. Effective communication, problem-solving abilities, and adaptability are standout soft skills in this role. These skills and qualities are essential to deliver robust, user-friendly applications and to collaborate efficiently across the software development lifecycle.

Will AI replace full stack dev?

AI is unlikely to fully replace full stack Java developers, as the role requires complex problem-solving, creativity, and understanding of business needs that AI cannot fully replicate. Instead, AI tools can augment their work by automating repetitive tasks and assisting in coding, allowing developers to focus on higher-level design and architecture. Staying updated with new technologies and developing skills in AI integration can enhance a full stack developer's value in the job market.
More about Full Stack Java Developer jobs
What cities near O'Fallon, IL are hiring for Full Stack Java Developer jobs? Cities near O'Fallon, IL with the most Full Stack Java Developer job openings:
Full Stack Java Developer jobs near you
Infographic showing various Full Stack Java Developer job openings in O'Fallon, IL as of June 2026, with employment types broken down into 3% Locum Tenens, 84% Full Time, 2% Part Time, 6% Contract, and 5% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $112,687 per year, or $54.2 per hour.
Java Developer

Java Developer

Gemini

Saint Louis, MO

$49.50 - $64.25/hr

Full-time

Posted 24 days ago

Job description

Company Description

https://www.gemini-us.com/

Job Description

Hi

Hope you are doing well. I am Rajesh from GEMINI. We have the following exciting opportunity open with one of our clients. Here is the job description for your review. If you are interested in this, please send me your updated resume along with availability.

Job Title: Java Developer
Location: St.Louis, MO - Inperson Interview

Job Type: Full Time

Only OPT EAD, CPT EAD, H4 EAD, L2 EAD, H1B Visa Transfer

JOB DETAILS:

Below highlighted skills are mandatory.

         Experience developing applications using Core JAVA, J2EE, SQL

         Knowledge of design patterns and implementation experience

         Experience of creating Web Services (Soap / Rest)

         Knowledge of MVC framework such as Spring, Spring Boot

         Knowledge of ORM framework such as Hibernate

         Should have worked with Maven/Gradle, JIRA/Rally, Bamboo/Jenkins/Hudson

         Good experience with database and SQL

         Good experience working in Agile/Scrum teams

         Experience in the following Development Technologies:

jUnit

Bamboo/Jenkins

GIT

Oracle

Spring Batch

Spring Boot

 

PROVIDE THE FOLLOWING PERSONAL DETAILS IN COVER LETTER:

Full Name:
Current Location:
Contact Details:
E-Mail ID:
Availability Status:
Willing to Relocate:
Visa Status:
Salary Expectation:
LinkedIn Profile:
Skype ID:

Thank you,

Rajesh N

Lead Talent Acquisition Specialist 

Gemini Consulting & Services

3636 S Geyer Rd # 270, St. Louis, MO 63127, United States

Phone: 314-571-5859

www.gemini-us.com

Additional Information

All your information will be kept confidential according to EEO guidelines.

Apply