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Online Java Developer C2C Jobs in Florissant, MO

Equifax, Inc.

Senior Software Engineer

Saint Louis, MO · On-site

$119K - $157K/yr

  • Medical

  • Retirement

  • PTO

Experience with backend technologies such as JAVA/J2EE, SpringBoot, SOA and Microservices * Source ... through our online learning platform with guided career tracks. Are you ready to power your ...

Equifax

Senior Software Engineer

Saint Louis, MO · On-site

$116K - $153K/yr

  • Medical

  • Retirement

  • PTO

Experience with backend technologies such as JAVA/J2EE, SpringBoot, SOA and Microservices * Source ... through our online learning platform with guided career tracks. Are you ready to power your ...

Equifax

Software Engineer - Intermediate

Saint Louis, MO · On-site

  • Medical

  • Retirement

  • PTO

Documents code/processes so that any other developer is able to dive in with minimal effort ... Java Specialist: Advanced development in Java 17, SpringBoot, and Microservices/SOA, managing ...

Mastercard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our high-performance Java platform processes billions of transactions each month, delivering the ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our high-performance Java platform processes billions of transactions each month, delivering the ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

Mastercard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our high-performance Java platform processes billions of transactions each month, delivering the ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our high-performance Java platform processes billions of transactions each month, delivering the ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This role is hands-on and requires deep expertise in Java and Spring-based platforms, strong ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This role is handson and requires deep expertise in Java and Springbased platforms, strong ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Java code, databases, middleware, and vendor software to identify performance bottlenecks and ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

MasterCard

Software Engineer II

O Fallon, MO · On-site

$91K - $124K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

All About You Solid understanding of Java, J2EE, Spring, Spring Boot, Kafka, RESTful Web Services ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

Mastercard, Inc.

Software Engineer II

O Fallon, MO · On-site

$91K - $124K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

All About You • Solid understanding of Java, J2EE, Spring, Spring Boot, Kafka, RESTful Web ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site +1

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Java code, databases, middleware, and vendor software to identify performance bottlenecks and ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proficient working with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and Database ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

Mastercard, Inc.

Software Engineer I

O Fallon, MO · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our patented Java-based platform processes billions of transactions per month in tens of ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

MasterCard

Software Engineer I

O Fallon, MO

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our patented Java-based platform processes billions of transactions per month in tens of ... Some experience with DevOps processes and hands-on experience with tools such as Jenkins, GitHub ...

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Showing results 21-40

All JobsOnline Java Developer C2C JobsOnline Java Developer C2C Jobs in Florissant, MO

Online Java Developer C2C information

See Florissant, MO salary details

$14

$52

$71

How much do online java developer c2c jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for online java developer c2c in Florissant, MO is $52.29, according to ZipRecruiter salary data. Most workers in this role earn between $45.24 and $58.51 per hour, depending on experience, location, and employer.

What is an online Java developer C2C?

An Online Java Developer C2C is a software developer who specializes in building applications using the Java programming language and works remotely under a Corp-to-Corp (C2C) contract. This means the developer is usually engaged through their own corporation or a third-party agency, rather than as a direct employee. C2C arrangements are common for contract roles in the tech industry, especially for remote or freelance projects. Java developers in these roles are responsible for coding, testing, and maintaining Java applications, often collaborating with distributed teams.

What are some common challenges online Java developers face when working on a C2C (Corp-to-Corp) basis?

Online Java Developers working on a C2C basis often encounter challenges such as managing client expectations across different projects, ensuring timely communication in a fully remote setup, and adapting quickly to varying codebases and team practices. They must also stay updated with the latest Java frameworks and tools, since each client may require different technical stacks. Additionally, balancing multiple clients or contracts requires strong time management and organizational skills to deliver quality work on schedule.

What are the key skills and qualifications needed to thrive as an online Java developer C2C, and why are they important?

To thrive as an Online Java Developer C2C, you need strong Java programming skills, experience with object-oriented design, and typically a bachelor's degree in computer science or a related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, source control systems like Git, and cloud platforms such as AWS is highly valued, along with relevant Java certifications. Excellent problem-solving abilities, self-motivation, and effective remote communication skills set standout candidates apart. These competencies are crucial for delivering robust software solutions efficiently while collaborating remotely in a contract-based environment.

What is the difference between Online Java Developer C2C vs Online Java Developer?

AspectOnline Java Developer C2COnline Java Developer
Work ArrangementContract-to-Contract (C2C) with staffing agencies or clientsDirect employment or freelance projects
CredentialsTypically requires Java certifications, relevant experienceSame as C2C, often with additional company-specific requirements
Work EnvironmentRemote, project-based, client-specificRemote or on-site, depending on employer
Industry UsageCommon in consulting, staffing, and freelance platformsWidespread across industries and companies

Online Java Developer C2C roles are contract-based, often through staffing agencies, offering flexibility but less job security. In contrast, Online Java Developer positions may be direct hires or freelance roles, providing different employment benefits. Both roles require Java expertise and similar credentials, but their work arrangements and industry usage differ.

Is an online Java developer still in demand?

Online Java developers remain in demand due to the widespread use of Java in enterprise applications, web development, and cloud-based services. Skills in frameworks like Spring and experience with cloud platforms can enhance job prospects in this field.

What are popular job titles related to Online Java Developer C2C jobs in Florissant, MO?

For Online Java Developer C2C jobs in Florissant, MO, the most frequently searched job titles are:

What job categories do people searching Online Java Developer C2C jobs in Florissant, MO look for?

The top searched job categories for Online Java Developer C2C jobs in Florissant, MO are:

What cities near Florissant, MO are hiring for Online Java Developer C2C jobs?

Cities near Florissant, MO with the most Online Java Developer C2C job openings:

Online Java Developer C2C jobs near you

Senior Software Engineer

Equifax, Inc.

Saint Louis, MO • On-site

$119K - $157K/yr

Full-time

Medical, Retirement, PTO

Re-posted 23 days ago

Equifax rating

7.8

Company rating: 7.8 out of 10

Based on 27 frontline employees who took The Breakroom Quiz

Job description

Equifax is where you can power your possible. If you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds, and make a meaningful impact, we want to hear from you.
Equifax is seeking creative, high-energy and driven software engineers with hands-on development skills to work on a variety of meaningful projects. Our software engineering positions provide you the opportunity to join a team of talented engineers working with leading-edge technology. You are ideal for this position if you are a forward-thinking, committed, and enthusiastic software engineer who is passionate about technology.
What you'll do
  • Design, develop, and operate high scale applications across the full engineering stack
  • Design, develop, test, deploy, maintain, and improve software.
  • Apply modern software development practices (serverless computing, microservices architecture, CI/CD, infrastructure-as-code, etc.)
  • Work across teams to integrate our systems with existing internal systems, Data Fabric, CSA Toolset.
  • Participate in technology roadmap and architecture discussions to turn business requirements and vision into reality.
  • Participate in a tight-knit, globally distributed engineering team.
  • Triage product or system issues and debug/track/resolve by analyzing the sources of issues and the impact on network, or service operations and quality.
  • Manage sole project priorities, deadlines, and deliverables.
  • Research, create, and develop software applications to extend and improve on Equifax Solutions
  • Collaborate on scalability issues involving access to data and information.
  • Actively participate in Sprint planning, Sprint Retrospectives, and other team activity

What experience you need
  • Bachelor's degree or equivalent experience
  • 5+ years of software engineering experience
  • 5+ years experience writing, debugging, and troubleshooting code in mainstream Java, SpringBoot, TypeScript/JavaScript, HTML, CSS
  • 5+ years experience with Cloud technology: GCP, AWS, or Azure
  • 5+ years experience designing and developing cloud-native solutions
  • 5+ years experience designing and developing microservices using Java, SpringBoot and cloud technologies
  • 5+ years experience deploying and releasing software using Jenkins CI/CD pipelines, understand infrastructure-as-code concepts, Helm Charts, and Terraform constructs

What could set you apart
  • Self-starter that identifies/responds to priority shifts with minimal supervision.
  • Demonstrate a Customer and Product-centric mindset, able to build strong relationships with both internal and external stakeholders including product, business and sales partners.
  • Demonstrated ability to drive engineering excellence in areas of security,quality, reliability, performance, cost optimization, efficiency
  • Generative AI: Experience with Vertex AI and/or working on advanced Generative AI (Gen AI) and agentic applications.
  • Experience designing and developing big data processing solutions using Dataflow/Apache Beam, Bigtable, BigQuery, PubSub, GCS, Composer/Airflow, and others
  • UI development (e.g. HTML, JavaScript, Angular and Bootstrap)
  • Experience with backend technologies such as JAVA/J2EE, SpringBoot, SOA and Microservices
  • Source code control management systems (e.g. SVN/Git, Github) and build tools like Maven & Gradle.
  • Agile environments (e.g. Scrum, XP)
  • Relational databases (e.g. SQL Server, MySQL)
  • Atlassian tooling (e.g. JIRA, Confluence, and Github)
  • Developing with modern JDK (v1.7+)
  • Automated Testing: JUnit, Selenium, LoadRunner, SoapUI

#LI-ES1
#LI-Hybrid
We offer comprehensive compensation and healthcare packages, 401k matching, paid time off, and organizational growth potential through our online learning platform with guided career tracks.
Are you ready to power your possible? Apply today, and get started on a path toward an exciting new career at Equifax, where you can make a difference!
Primary Location:
USA-St. Louis-Lackland
Function:
Function - Tech Dev and Client Services
Schedule:
Full time

What Equifax employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About Equifax

Sourced by ZipRecruiter

As a global data, analytics, and technology company, we play an essential role in the economy by helping companies in diverse industries such as automotive, communications, utilities, financial services, fintech, healthcare, insurance, mortgage, professional services, retail, e-commerce, and government agencies, make critical decisions with greater confidence.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Atlanta, GA, US

Year founded

1899

Social media

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