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Contract Full Stack Java Developer Jobs in Saint Louis, MO

Java Developer

Saint Louis, MO · On-site

$171.92/hr

Client is seeking 8 immediate start Contractors/Contract to Hire Qualifications: * BS in a Computer ... Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on ...

Java Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

Client is seeking 8 immediate start Contractors/Contract to Hire Qualifications: * BS in a Computer ... Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on ...

Senior Full Stack Engineer

Saint Louis, MO · On-site

  • Medical

  • Retirement

  • PTO

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 ...

Senior Full Stack Engineer

Saint Louis, MO · On-site

  • Medical

  • Retirement

  • PTO

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 ...

Full Stack Software Engineer

Saint Louis, MO · On-site

$110 - $180/hr

  • Medical

  • Dental

  • Retirement

  • PTO

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

Full Stack Software Engineer

Saint Louis, MO · On-site

$110 - $150/hr

  • Medical

  • Dental

  • Retirement

  • PTO

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

Full Stack Software Engineer

Saint Louis, MO · On-site

$100 - $150/hr

  • Medical

  • Dental

  • Retirement

  • PTO

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 Duration: Long term contract Work Authorization status : US Citizen & Green card only ...

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 · 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:

Showing results 41-60

Contract Full Stack Java Developer information

See Saint Louis, MO salary details

$10

$56

$75

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

As of Aug 19, 2026, the average hourly pay for contract full stack java developer in Saint Louis, MO is $56.47, according to ZipRecruiter salary data. Most workers in this role earn between $49.09 and $63.32 per hour, depending on experience, location, and employer.

What is a contract full stack Java developer?

A Contract Full Stack Java Developer is a software professional hired on a temporary basis to design, develop, and maintain applications using Java for both front-end and back-end components. They are responsible for handling the entire software stack, including databases, servers, APIs, and client-side interfaces. Contract developers often work for a specific project or time frame, providing flexibility for employers and the opportunity to work on diverse projects for developers. They are expected to have expertise in Java technologies, as well as familiarity with frameworks, databases, and front-end tools.

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

To thrive as a Contract Full Stack Java Developer, you need strong proficiency in Java, front-end technologies (such as HTML, CSS, JavaScript), and experience with frameworks like Spring Boot and React or Angular, typically supported by a relevant degree or industry certifications. Familiarity with tools such as Git, CI/CD pipelines, RESTful APIs, and cloud platforms like AWS or Azure is usually required. Excellent problem-solving, adaptability, and communication skills help developers excel in dynamic, project-based environments. These competencies ensure you can deliver robust, scalable solutions effectively while collaborating with diverse teams and adapting to varied client requirements.

What are common challenges contract full stack Java developers face when joining new projects?

Contract Full Stack Java Developers often encounter challenges such as quickly adapting to new codebases, understanding existing architectural decisions, and integrating with unfamiliar development workflows. Since contracts are typically time-bound, there's pressure to deliver results efficiently while building relationships with established teams. Effective communication and the ability to rapidly learn project-specific tools and frameworks are crucial for success in these environments.

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

AspectContract Full Stack Java DeveloperContract Java Backend Developer
Primary FocusDeveloping both frontend and backend applications using Java and related technologiesFocusing mainly on server-side Java development, APIs, and backend logic
Required SkillsJava, JavaScript, HTML/CSS, frameworks like Spring Boot, Angular or ReactJava, Spring Boot, REST APIs, database integration
Work EnvironmentFull-stack development teams, client-facing projects, agile environmentsBackend teams, API development projects, server-side architecture

Contract Full Stack Java Developers typically handle both frontend and backend tasks, requiring knowledge of Java and frontend technologies. In contrast, Contract Java Backend Developers focus primarily on server-side development, APIs, and database integration. Both roles are common in enterprise and tech companies, but the full stack role demands a broader skill set, while the backend role specializes in server-side logic.

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:

What are popular job titles related to Contract Full Stack Java Developer jobs in Saint Louis, MO?

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

What job categories do people searching Contract Full Stack Java Developer jobs in Saint Louis, MO look for?

The top searched job categories for Contract Full Stack Java Developer jobs in Saint Louis, MO are:

Senior Software Engineer - Java Full Stack Engineer

Mastercard, Inc.

O Fallon, MO • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 14 hours ago


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