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Junior Full Stack Java Developer Jobs in Saint Louis, MO

We are seeking a visionary full stack engineer to join our technology transformation initiative. In ... Develop scalable APIs and microservices using Java Spring Boot, Python, Node. js and other modern ...

We are seeking a visionary full stack engineer to join our technology transformation initiative. In ... Develop scalable APIs and microservices using Java Spring Boot, Python, Node. js and other modern ...

Write and maintain code in C#, Java, JavaScript/TypeScript, Python, and Shell scripting. * Create ... Apply DevOps practices and tools to deliver new features within an Agile environment. * Participate ...

New

AWS Full Stack Engineer

Arnold, MO · On-site

$99K - $225K/yr

As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast ... languages such as Java, Python, GO, SQL, or C++, and front-end languages such as JavaScript ...

Write and maintain code in C#, Java, JavaScript/TypeScript, Python, and Shell scripting. * Create ... Apply DevOps practices and tools to deliver new features within an Agile environment. * Participate ...

New

Write and maintain code in C#, Java, JavaScript/TypeScript, Python, and Shell scripting. * Create ... Apply DevOps practices and tools to deliver new features within an Agile environment. * Participate ...

New

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:

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:

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 ...

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Junior Full Stack Java Developer information

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

As of Aug 20, 2026, the average hourly pay for junior full stack java developer in Saint Louis, MO is $55.06, according to ZipRecruiter salary data. Most workers in this role earn between $47.84 and $61.73 per hour, depending on experience, location, and employer.

What is a junior full stack Java developer?

A Junior Full Stack Java Developer is an entry-level software developer who works on both front-end and back-end development using Java and related technologies. They assist in building, testing, and maintaining web applications, often working with frameworks like Spring Boot for the back-end and JavaScript libraries for the front-end. Their responsibilities typically include writing clean and efficient code, debugging issues, and collaborating with other team members. This role requires foundational knowledge of databases, APIs, and cloud platforms. It is a great starting point for developers looking to grow into full-stack expertise.

What are the key skills and qualifications needed to thrive as a junior full stack Java developer?

To thrive as a Junior Full Stack Java Developer, you need a solid understanding of Java programming, web development fundamentals (HTML, CSS, JavaScript), and basic database management, often supported by a degree in computer science or related experience. Familiarity with frameworks like Spring Boot, front-end libraries such as React or Angular, version control systems like Git, and exposure to RESTful APIs and cloud platforms is typical and advantageous. Strong problem-solving abilities, teamwork, eagerness to learn, and effective communication set outstanding candidates apart. These skills and qualities ensure you can develop, debug, and maintain both front-end and back-end systems while collaborating effectively in dynamic software development environments.

What are the typical responsibilities of a junior full stack Java developer on a daily basis?

As a Junior Full Stack Java Developer, your daily tasks usually include writing and testing Java code for back-end logic, developing and maintaining front-end components, and fixing bugs reported by users or testers. You’ll often participate in code reviews, collaborate with team members through agile meetings, and help integrate new features into existing applications. Additionally, you may be involved in database management and work closely with senior developers or product managers to understand requirements and deliver solutions. This role offers valuable hands-on experience across the software development lifecycle while providing opportunities to learn from more experienced colleagues.

How much do junior full stack Java developers make?

Junior full stack Java developers typically earn between $50,000 and $80,000 annually, depending on location, experience, and company size. Entry-level roles often require knowledge of Java, JavaScript, and frameworks like Spring or React, with salaries increasing with additional skills and certifications.

How much does a junior full stack Java developer earn?

A junior full stack Java developer typically earns between $50,000 and $80,000 annually, depending on location, experience, and company size. Entry-level roles often require knowledge of Java, JavaScript, and frameworks like Spring or React, with salaries increasing as skills and experience grow.

Is Java full stack developer still in demand?

Java full stack developers are still in demand due to their ability to handle both front-end and back-end development using Java, Spring, and related technologies. Many organizations seek these skills for building scalable, full-featured applications, and demand remains strong in industries like finance, healthcare, and technology. Staying updated with frameworks, cloud platforms, and modern tools can enhance job prospects in this field.

What are the most commonly searched types of Full Stack Java Developer jobs in Saint Louis, MO?

The most popular types of Full Stack Java Developer jobs in Saint Louis, MO are:

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For Junior Full Stack Java Developer jobs in Saint Louis, MO, the most frequently searched job titles are:

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What cities near Saint Louis, MO are hiring for Junior Full Stack Java Developer jobs?

Cities near Saint Louis, MO with the most Junior Full Stack Java Developer job openings:

Senior Software Engineer - Java Full Stack Engineer

Mastercard, Inc.

O Fallon, MO • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted yesterday


Job description

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title and Summary
Senior Software Engineer - Java Full Stack Engineer
All About Us
MasterCard is a technology company in the global payments business. We connect consumers, financial institutions, merchants, governments, and businesses worldwide and enable them to use secure and convenient electronic forms of payment.
Join the industry's most passionate, motivated & engaged global team - Our employees are encouraged to drive innovation every day in support of a more connected world - A World Beyond Cash.
Overview:
The MasterCard B&MI Technology development team is engaged in working with new and innovative technologies to build business solutions that keep MasterCard positioned as a leader in delivering value added business analytic and reporting solutions to our diverse customer base. We work collaboratively with our product partners and other technical teams to continuously improve and enhance our existing products and drive new products to the global marketplace. We are currently seeking candidates that will be responsible to support the technical lead in overall architecture, design and produce a high-quality code using different languages.
Role:
• This position is a member of the MasterCard B&MI Technology focusing on development of Enterprise Application Development using Java tech stack and Angular/React as the Front-end technologies.
• Participate in the gathering of business requirements.
• Ensure software designs align with MasterCard's Enterprise Architecture and leverage our enterprise services.
• Ensure product development meets MasterCard's business needs.
• Ensure development teams use the appropriate MasterCard standard development methodologies and follow our technology standards, and that all projects and development are appropriately documented.
• Ensure that software and system design and delivery support the goal of zero down time in production.
• Work closely with business partners on product definition, product roadmaps, business case development, and overall direction for the team.
• Respond to operational and business concerns or issues relative to future business programs, projects, or enhancements to ensure consistent delivery of quality services.
• Ensure development supports all appropriate certifications and compliance requirements, including those for PCI, GLBA, Safe Harbor, and others.
• Responsible for performance engineering of the enterprise software architecture, and providing functional guidance, advice, and/or training to other application developers.
• Responsible for designing, developing, testing, delivering, and monitoring scalable and secure cloud architectures, using various AWS cloud and cloud native platforms, such as EC2, ECS, S3.
• Need to improve and expand the existing platform by ensuring that it is resilient, secure, and scalable.
All About You:
• Bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent work experience.
• More than 7 years of industry experience
• Excellent Communication skills required to interact across multiple organizational levels of internal and external customer groups.
• Strong analytical and problem-solving abilities, with quick adaptation to new technologies, methodologies, and systems
• High-energy, detailed-oriented, proactive, and able to function under pressure in an independent environment along with a high degree of initiative and self-motivation to drive results.
• Strong interpersonal, relationship-building with a solid track record for developing internal and external.
• Proficient working with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and Database (Oracle, SQL Server)
• Experience with SQL and NO SQL databases like MySQL, Postgres, MongoDb etc.
• Experience in the following a plus: Web Services - SOAP/ RESTFul, Servers - WebSphere/JBOSS/Tomcat, HTML/ javascript/ JQuery, UNIX ( Shell, awk scripting), XML/ XSLT, CSS, C Sharp, React / Angular , IDE (Microsoft Visual Studio, RAD/ Eclipse)
• Experience with various tools(Maven, Gradle, Jenkins, Chef, Sonar) and methodologies ( Waterfall, Agile)
• Prior experience in Cloud Native Application Development
Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
  • Abide by Mastercard's security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;
  • Report any suspected information security violation or breach, and
  • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.
Pay Ranges
O'Fallon, Missouri: $115,000 - $184,000 USD