Web Developer jobs in o'fallon USA
5 web developer jobs found in o'fallon: showing 1 - 5
Senior Java Developer
Company: Apptad |
Job Title: Senior Java Developer Job Location: O'Fallon MO Day 1 onsite Job Type: 12+ months Contract Locals... all will not be considered Essential Technical Skills 8+ years Development and debugging of J2EE RESTful Web Services and Web ApplicationsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Sep 2026
Senior Software Engineer - Java
Company: Mastercard |
. Develop reusable services, components, and frameworks that promote engineering consistency, scalability, and developer..., and distributed applications using Spring Boot and the Spring Framework. Experience developing modern, responsive web applicationsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Sep 2026
Software Engineer Ii
Company: Mastercard |
application performance and optimizing systems for scalability and reliability. Familiarity with multi-tier web applications... such as IntelliJ IDEA or JBoss Developer Studio Preferred Skills Experience with distributed systems at scale ExperienceLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 26 Aug 2026
Lead Platform Architect
Company: Mastercard |
in internet fundamentals related to web servers, application servers, internet security and other internet technologies..., and developer AI enablement patterns. Design cloud-native, hybrid, and multi-region architectures across AWS, Azure, KubernetesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Aug 2026
Senior Software Engineer
Company: Mastercard |
experience validating APIs, microservices, web services, web applications, databases, and integration flows. Good understanding..., reusable frameworks, shared libraries, or developer productivity platforms. Mastercard is a merit-based, inclusive, equal