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Online Java Coding Jobs in Saint Louis, MO (NOW HIRING)

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

Experience with automation for branch management, code promotions, and version management is a plus ... C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting ...

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

Support deployments of code into multiple lower environments. Supporting current processes needed ... C, C++, Java, Python, Go, Perl or Ruby. Interest in designing, analyzing and troubleshooting large ...

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

Experience with automation for branch management, code promotions, and version management is a plus ... C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting ...

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

Experience with automation for branch management, code promotions, and version management is a plus ... C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting ...

... coding languages Java, Go, C++,ESQL, etc. - Delivered scalable products through a CI/CD pipeline ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

Senior Software Development Engineer

O Fallon, MO · On-site +1

$114K - $151K/yr

Apply secure coding practices and promote application security best practices. Lead and participate ... All About You Strong hands-on experience with Java, Spring Boot, Kafka, REST APIs, JPA, and ...

Senior Software Development Engineer

O Fallon, MO · On-site +1

$114K - $151K/yr

Apply secure coding practices and promote application security best practices. Lead and participate ... All About You Strong hands-on experience with Java, Spring Boot, Kafka, REST APIs, JPA, and ...

Software Engineer II - Mastercard

O Fallon, MO · On-site

$91K - $124K/yr

Role • Own the end-to-end software development lifecycle, including design, coding, testing ... In the US or Canada, if you require accommodations or assistance to complete the online application ...

Senior Data Engineer

Saint Louis, MO · On-site

$103K - $140K/yr

Hands-on experience with AI-assisted coding tools * Experience getting data assets AI ready ... Experience programming in Java * Experience scaling Airflow * Experience with dbt * DevOps / CICD ...

Site Reliability Engineer II

O Fallon, MO · On-site

$53.25 - $70.75/hr

Experience debugging and optimizing code, and automating manual tasks. Ability to handle high ... C, C++, Java, Python, Go, Perl, or Ruby. Experience working with large-scale distributed systems ...

Showing results 41-60

Online Java Coding information

See Saint Louis, MO salary details

$15

$55

$75

How much do online java coding jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for online java coding in Saint Louis, MO is $55.12, according to ZipRecruiter salary data. Most workers in this role earn between $47.69 and $61.68 per hour, depending on experience, location, and employer.

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

To thrive as an Online Java Coding Instructor, you need a solid grasp of Java programming, computer science fundamentals, and experience in teaching or mentoring, often supported by a degree in a related field. Familiarity with learning management systems (LMS), code collaboration tools like GitHub, and online communication platforms is typically required. Strong communication, patience, and adaptability help instructors effectively engage and support diverse learners in a virtual environment. These skills ensure that students receive clear guidance, build confidence, and successfully develop their coding abilities remotely.

What is an online Java coding job?

An Online Java Coding job typically involves writing, testing, and maintaining Java code for software applications or websites, all performed remotely over the internet. Professionals in this role may work on developing new features, fixing bugs, or collaborating with teams using online tools. These positions are common in tech companies, startups, or as freelance opportunities, and often require strong Java programming skills and familiarity with frameworks such as Spring or Hibernate. Online Java coders may also participate in code reviews, contribute to documentation, and use version control systems like Git.

What are the typical collaboration methods for an online Java coding instructor working with other educators or curriculum developers?

As an Online Java Coding instructor, you’ll often collaborate with other educators, curriculum developers, and technical support teams to ensure course materials are up-to-date and engaging. This typically involves regular virtual meetings, sharing feedback on student progress, and jointly refining lesson plans or coding assignments. Effective communication and teamwork are essential, as you may also co-host live coding sessions or participate in peer reviews to enhance the learning experience for students. Collaboration tools like Slack, Google Workspace, and learning management systems are commonly used to streamline this process.

Are online Java coding jobs still in demand?

Online Java coding jobs remain in demand due to the continued need for software development, web applications, and enterprise solutions. Skills in Java, along with knowledge of frameworks like Spring and experience with cloud platforms, enhance employability in this field.

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

AspectOnline Java CodingJava Developer
Required CredentialsBasic programming knowledge, online coursesBachelor's degree in Computer Science or related field, certifications
Work EnvironmentRemote, freelance or project-basedOffice or remote, full-time or contract
Industry UsageUsed for practice, testing, or small projectsDevelops enterprise applications, software solutions
Search & Comparison IntentLooking for quick coding tasks or practiceSeeking full-time or long-term Java development roles

Online Java Coding typically involves practicing or completing small coding tasks remotely, often without formal credentials. In contrast, a Java Developer is a professional role requiring specific education, certifications, and involvement in comprehensive software projects. While online coding is ideal for skill improvement, Java Developers build and maintain complex applications in professional environments.

What are popular job titles related to Online Java Coding jobs in Saint Louis, MO? For Online Java Coding jobs in Saint Louis, MO, the most frequently searched job titles are:
What job categories do people searching Online Java Coding jobs in Saint Louis, MO look for? The top searched job categories for Online Java Coding jobs in Saint Louis, MO are:
Infographic showing various Online Java Coding job openings in Saint Louis, MO as of August 2026, with employment types broken down into 1% As Needed, 49% Full Time, 47% Part Time, 1% Temporary, and 2% Contract. Highlights an 82% Physical, 1% Hybrid, and 17% Remote job distribution, with an average salary of $114,656 per year, or $55.1 per hour.

Senior Site Reliability Engineer

Mastercard

O Fallon, MO • On-site

$53.25 - $70.75/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 6 days 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 Site Reliability Engineer Overview-The ProCOM team is looking for a Site Reliability Engineering (SRE) who can help us solve problems, build our CI/CD pipeline and lead Mastercard in DevOps automation and best practices.
Role
• Engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation and refinement.
• Analyze ITSM activities of the platform and provide feedback loop to development teams on operational gaps or resiliency concerns
• Support services before they go live through activities such as system design consulting, capacity planning and launch reviews.
• Maintain services once they are live by measuring and monitoring availability, latency and overall system health.
• Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity.
• Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead Mastercard in DevOps automation and best practices.
• Practice sustainable incident response and blameless postmortems.
• Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover
• Work with a global team spread across tech hubs in multiple geographies and time zones
• Share knowledge and mentor junior resources
For team members supporting the Dev Ops pipeline:
• Design, implement, and enhance our deployment automation based on Chef. We need proven experience writing chef recipes/cookbooks as well as designing and implementing an overall Chef based release and deployment process.
• Use Jenkins to orchestrate builds as well as link to Sonar, Chef, Maven, Artifactory, etc. to build out the CI/CD pipeline.
• Support deployments of code into multiple lower environments. Supporting current processes needed with an emphasis on automating everything as soon as possible.
• Design and implement a Git based code management strategy that will support multiple environment deployments in parallel. Experience with automation for branch management, code promotions, and version management is a plus.
Qualifications
• BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience.
• Experience with algorithms, data structures, scripting, pipeline management, and software design.
• Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive.
• Ability to help debug and optimize code and automate routine tasks.
• We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed.
• Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby.
• Interest in designing, analyzing and troubleshooting large-scale distributed systems.
• We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must.
• For work on our dev ops team, engineer with experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef. 
• Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is required.
Salary Range:
96,00 -163,000 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.