Java jobs in o'fallon USA
41 java jobs found in o'fallon: showing 1 - 41
Vice President, Software Engineering - Dmp
Company: Mastercard |
processing, and data platforms. Strong hands-on knowledge of technologies such as Java, REST APIs, Kafka, messaging systems (MQLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 13 Jul 2026
Senior Software Engineer
Company: Diverse Lynx |
Senior Software Engineer Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Rate - $65/hr. on C2C Java/JEE 6-10... experience in a production environment Expert programming skills in Java/JEE Proficiency in Software Development Best PracticesLocation: O'Fallon, MO, USA
| Salary: US$65 per hour | Date posted: 11 Jul 2026
Vice President, Software Engineering - Dmp
Company: Mastercard |
processing, and data platforms. Strong hands-on knowledge of technologies such as Java, REST APIs, Kafka, messaging systems (MQLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 Jul 2026
Manager, Software Engineering
Company: Mastercard |
Java, C/C++, or similar object-oriented languages. Demonstrated experience designing scalable, secure, highlyLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jul 2026
Software Engineer Ii
Company: Mastercard |
, cloud, and on-prem). As a Software Engineer II, you will contribute to building scalable backend services using Java... multiple phases of the software development lifecycle. Role In this role, you will: Design, develop, and own Java-basedLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 08 Jul 2026
Lead Software Engineer
Company: Mastercard |
, and operational excellence. All About You: Strong software development experience using C/C++ (Java experience is also valuedLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 07 Jul 2026
Senior Software Engineer
Company: Mastercard |
, You Will Design, develop, and maintain robust and scalable backend services using Java, Spring Boot, and microservices architecture... activities. All About You Strong proficiency and experience in Full Stack Software Engineering. Strong proficiency in JavaLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 07 Jul 2026
Senior Software Engineer (java/jee)
Company: Diverse Lynx |
Senior Software Engineer (JAVA/JEE) Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Contract Rate - $65... experience in a production environment Expert programming skills in Java/JEE Proficiency in Software Development Best PracticesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Jul 2026
Senior Software Engineer– Rpps Platform
Company: Mastercard |
development, testing, deployment, optimization, and production support. The position requires strong expertise in Java, Spring... utilizes Java, Spring Boot, Angular, APIs, and automation-focused development work. Role As a Senior Software EngineerLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 02 Jul 2026
Senior Software Engineer
Company: Mastercard |
position requires strong expertise in Java-based application development, Spring Boot, Kafka, PostgreSQL, and modern software... to process high-volume transaction workloads. Develop microservices and backend services using Java, Spring Boot, and SpringLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Jul 2026
Senior Site Reliability Engineer
Company: Mastercard |
is needed. Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. Interest in designingLocation: O'Fallon, MO, USA
| Salary: US$163000 per year | Date posted: 01 Jul 2026
Lead Site Reliability Engineer
Company: Mastercard |
, and performance of our Java, Spring Framework applications, supporting essential services that power Mastercard's global operations... to development teams.Role qualifications:Ideal candidates have:- BS in Computer Science or related field.- Proficiency in JavaLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
Senior Software Engineer
Company: Mastercard |
/practices and enhance productivity All about you Working experience across multiple programming languages (JAVALocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Jul 2026
Lead Site Reliability Engineer
Company: Mastercard |
, and performance of our Java, Spring Framework applications, supporting essential services that power Mastercard's global operations... to development teams. Role qualifications: Ideal candidates have:- BS in Computer Science or related field.- Proficiency in JavaLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
Senior Site Reliability Engineer
Company: Mastercard |
of urgency is needed. Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. InterestLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 01 Jul 2026
Lead Software Engineer
Company: Mastercard |
complex engineering problems Technologies Java, J2EE, microservices, RESTful APIs, Angular, Web Services, JavaScript... Strong experience building microservices in Java and developing UI components using frameworks like React or Angular ExperienceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 26 Jun 2026
Manager, Software Engineering
Company: Mastercard |
with an enterprise mindset, aligning team output with company-wide objectives Strong hands-on experience in: o Java, Spring / Java EELocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Jun 2026
Senior Software Engineer
Company: Mastercard |
/practices and enhance productivity All about you Working experience across multiple programming languages (JAVALocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Jun 2026
Manager, Platform Engineering - Big Data Engineering
Company: Mastercard |
Proficiency in at least one programming language (e.g., Python, Java, Go) Strong understanding of operating systemsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 11 Jun 2026
Software Engineer Ii
Company: Mastercard |
in software development and the full Software Development Lifecycle (SDLC). Strong proficiency in Java and experience workingLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 09 Jun 2026
Lead Software Engineer
Company: Mastercard |
development with applicable JAVA technologies (Core JAVA, Spring Integration, Spring Boot, Hibernate, REST/SOAP web servicesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 Jun 2026
Senior Software Engineer
Company: Mastercard |
applications and microservices Develop REST APIs using Java and Spring Boot, focusing on performance, scalability, and reliability... using Java and Spring Boot Strong experience designing scalable systems using modern software design and architectureLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 06 Jun 2026
Manager Software Engineering (qa/automation)
Company: Mastercard |
(microservices, APIs, scalable systems) Strong Core Java experience Deep familiarity with test automation frameworks and modernLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 04 Jun 2026
Software Engineer Ii
Company: Mastercard |
through hands-on delivery and collaboration. All About You Experience building applications and REST APIs using JavaLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 04 Jun 2026
Software Engineer Ii
Company: Mastercard |
or experience. Demonstrate intermediate to advanced knowledge of Java, Spring Boot, and REST API development Understand relationalLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 03 Jun 2026
Senior Software Engineer
Company: Mastercard |
development of new products that deliver meaningful customer value. We are looking for a Senior AI Java Engineer (Hands-on IC...) In this role, you will: Build and own Java services and APIs that deliver AI-powered features, ensuring performance, scalabilityLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 28 May 2026
Manager, Technical Program Management
Company: Mastercard |
Certifications (Agile, PMI, ITIL, DevOps, cloud computing, Java, etc.) preferred, or equivalent work experience ExperienceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 May 2026
Senior Software Engineer
Company: Mastercard |
, performance, and scalability Proven experience working with: - JAVA JDK 11-17, Spring Boot, Spring Security, Maven, HibernateLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 26 May 2026
Senior Software Engineer - Java Full Stack Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer - Java Full Stack Engineer All About Us MasterCard is a technology... on development of Enterprise Application Development using Java tech stack and Angular/React as the Front-end technologiesLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 22 May 2026
Manager Software Engineering
Company: Mastercard |
Identify best-of-breed methods / tools / APIs and assess technical fit, Development experience in Java application development..., Payments, Knowledge of BDD/TDD methodology and technologies like Cucumber, Test Automation using Java. People ManagerLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 21 May 2026
Senior Software Engineer
Company: Mastercard |
of Enterprise Application Development using Java tech stack and Angular/React as the Front-end technologies. Participate in the.... Proficient working with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and Database (Oracle, SQL Server) ExperienceLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 21 May 2026
Senior Site Reliability Engineer
Company: Mastercard |
is needed. Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. Interest in designingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 19 May 2026
Lead Software Engineer
Company: Mastercard |
ownership of large-scale distributed systems Proficiency in modern programming languages (e.g., Java, C#) and frontendLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 May 2026
Software Engineer Ii
Company: Mastercard |
languages (Java is a must) Familiarity with Agile development practices, testing concepts, and version controlLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 May 2026
Software Developer- Emr Integration
Company: Adaptive Solutions Group |
, Node JS, Java Script, Vue 3Location: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 06 May 2026
Senior Software Engineer
Company: Mastercard |
, modern architecture using Java, Spring boot, Kafka, C++, JNI or similar technologies. BS in Computer Science or related... development environment, preferably Jenkins. Experience with Java/J2EE Experience with cryptographic primitives, conceptsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 05 May 2026
Senior Site Reliability Engineer
Company: Mastercard |
of urgency is needed. Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. InterestLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 05 May 2026
Software Engineer Ii
Company: Mastercard |
languages (Java is a must) Familiarity with Agile development practices, testing concepts, and version controlLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 01 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
, and performance of our Java, Spring Framework applications, supporting essential services that power Mastercard's global operations... to development teams.Role qualifications:Ideal candidates have:- BS in Computer Science or related field.- Proficiency in JavaLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Apr 2026
Senior Data Engineer (apache Spark, Nifi, Sql)
Company: Mastercard |
through Spark with Scala/Python/Java on Hadoop or Object storage Experience of building Nifi pipelines Experience of workingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Apr 2026
Software Engineer
Company: Mastercard |
. - Full stack developer with ability to write secure code in backend & frontend programming languages (Java, JavaScript