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- ...technical solutions for changing business needs. Title: Senior Java Developer/Engineer Location: O’Fallon, MO Duration: Through Q3 202... .... Knowledge / Experience ~10+ Years Java/Spring Boot backend development experience ~ Event-based or message...SuggestedWork experience placement
Global Business Ser. 4u
O Fallon, MO6 hours agonew - ...Java Lead Role - Java Lead Experience Required - 6+ Years Must Have Technical/Functional Skills Object-oriented Programming... ...(2 or more of Java, C++, Scala, JS, Python, Shell*) Spring, Spring Boot Web application frameworks like AngularJS, Spring...Suggested
ClifyX
O Fallon, MO1 day ago - ...Fake profiles) We are looking for an experienced Senior Java Full Stack Developer to design, develop, and enhance a next-generation Decision... ...The ideal candidate will have strong expertise in Java, Spring, Hibernate, Angular/React, cloud-native architecture, and GenAI...SuggestedWork experience placementLocal areaWork visa
Xcelo Group
O Fallon, MO15 days ago $145,000 per week
...enterprise notification platform, which processes transaction events and delivers notifications through email, SMS, and APIs. Develop Java and Spring Boot microservices, contribute to event-driven platform modernization, and support testing, deployment, reliability, and...SuggestedMastercard
O Fallon, MO12 hours agonew- ...onsite in Maryland Heights, MO Our client is hiring API Spring Developers to build backend services and integrations that enable AI... ...Agentic AI initiative. The role centers on hands-on Spring and Java development to deliver secure, reliable REST APIs and backend...SuggestedHourly payTemporary workLocal area
Eliassen Group
Maryland Heights, MO8 days ago - Lead Java Developer Our client, a multinational telecommunications technology company is seeking a highly experienced and strategic Lead... ...lead the development of robust Java-based microservices using Spring Boot and related frameworks. - Guide and mentor engineering...SuggestedTemporary work
Elite Technical
Maryland Heights, MOmore than 2 months ago $115k - $184k
...and Summary Senior Software Engineer - Java Overview: Mastercard’s Enterprise Credit... ...per week onsite. Role: • Design, develop, test, deploy, and maintain scalable full... ...available backend services using Java, Spring Boot, and Spring Framework. • Develop modern...SuggestedFull timePart timeWorldwideFlexible hours3 days per weekMastercard
O Fallon, MO16 days ago$115k - $184k
...and Summary Senior Software Engineer - Java Full Stack & AIOverview The Decision... ...Business & Market Insights organization develops analytics, reporting, and intelligence solutions... ...web applications. •Utilize Java, Spring Boot, React or Angular, and Python across...SuggestedFull timePart timeImmediate startWorldwideFlexible hours- ...healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient... ...the reliability, scalability, and performance of our Java, Spring Framework applications, supporting essential services that power...SuggestedFull timePart timeWorldwideFlexible hours
Mastercard
O Fallon, MO20 days ago $80k - $158k
...end-to-end performance bottlenecks across distributed systems, Spring Boot services, middleware components, and hybrid cloud environments... ...incidents in production and pre-production environments. • Develop capacity models and performance baselines for services running...SuggestedMinimum wageLocal areaWipro
O Fallon, MO19 hours ago- ...identify innovative solutions and drive strategic decisions. Develop business case in alignment with the MasterCard objectives. Lead... .... Candidate must possess a superior coding background with Java/Spring or Python. Additional required technical requirements are AWS,...Suggested
Dynamic Yield
O Fallon, MO23 hours ago $92k - $147k
...Generative AI technologies. This role is responsible for designing, developing, testing, deploying, and maintaining scalable software... ...experience developing backend software applications with JAVA/ J2EE in Spring Boot frameworks for building and consuming RESTful APIs and...SuggestedFull timePart timeWorldwideFlexible hours$92k - $147k
...Operational Intelligence Program is engaged in developing innovative solutions through technology... ...on Enterprise Applications utilizing Java technology stacks and Angular/React front... ...with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and relational and non-...SuggestedFull timePart timeImmediate startWorldwideFlexible hours- ...to-end architecture: services, APIs, data model, event streams, infrastructure, security.Production code across a polyglot stack: Java/Spring Boot microservices, Node.js/React applications, serverless designs, and Python tooling.Build-vs-buy decisions, coding standards,...SuggestedContract workWork at officeRemote workMonday to Friday
Priority Dispatch
O Fallon, MO4 days ago $92k - $147k
...IIOverview Mastercard’s Fraud Products team develops capabilities for the Decision Management... ...and validate cardholder identity. This Java-based platform processes billions of... ...multithreading. •Knowledge of Java/J2EE, Spring Framework, and Spring Boot. •Experience...SuggestedFull timePart timeImmediate startWorldwideFlexible hours$100k
...Full time/ Day 1 Onsite - OFL, MO Java, Selenium, Cucumber, Postman, Jmeter $1... ...tools, architecture patterns, and BDD Develops/monitors quality gating and automation strategy... ...g., Junit, NUnit, Selenium, RestAssured, Spring Cloud Contract, Cucumber, JBehave)...Full timeContract workZortech Solutions
O Fallon, MO6 hours agonew- ...Number of opening: 2 Project Scope: Debugging Skills, Java, Spring Boot, SQL, ITSM Activities, Remedy, Monitoring Role & Responsibilities... ...customer objectives/experience in mind. Products are well-developed using collaboration between Biz Ops Teams, operationally...
Zortech Solutions
O Fallon, MO19 hours ago $115k - $184k
...contribute to architectural decisions, and deliver secure, reliable software at scale. Role -Design, develop, and maintain Java-based backend services using Spring Boot, Spring Integration, gRPC, and distributed system patterns. -Translate business requirements and...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO16 days ago$115k - $184k
...Role As a Senior Software Engineer, you will: • Design, develop, and maintain scalable test frameworks and automation solutions... ...You • Experience building applications and REST APIs using Java, Spring Boot, and Spring Data JPA • Strong foundation in computer science...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO16 days ago$115k - $184k
...economic impact. About the Role As a Java Site Reliability Engineer (SRE) within... ...systems. Role Responsibilities • Design, develop, deploy, and support cloud-native Java... ...enterprise applications using Java, Spring Boot, microservices, and cloud-native technologies...Full timePart timeWorldwideFlexible hoursShift workMastercard
O Fallon, MO16 days ago- ...Top Priority Requirements Strong expertise in Java, APIs, Angular, and React Experience building Agentic Frameworks utilizing... ...administration, and enhancement of a Qlik Sense environment while helping develop next-generation Agentic products and data solutions. Key...
Delan Associates Inc
O Fallon, MO6 hours agonew $115k - $184k
...development lifecycle. As a Senior Software Engineer, you will develop software while also contributing to reliability,... ...• Build scalable, secure, and maintainable solutions using Java 17+, Spring Framework, and Spring Boot. • Apply software design and architecture...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO23 days ago- ...Roles & Responsibilities Design, develop, and maintain scalable web applications using Angular 15+ and React where applicable. Build reusable, responsive, and user-friendly UI components. Integrate frontend applications with RESTful APIs and backend services...Full time
Techvilla Solutions
O Fallon, MO23 days ago $115k - $184k
...speed and agility as part of a small team. This will involve developing high-performing, highly scalable software solutions and... ...You • Demonstrated experience developing microservices with JAVA and Spring Boot, required • Proven skills working with relational SQL...Full timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO23 days ago$60k - $135k
...production environments. Basic understanding of DevOps practices, release engineering, and site reliability concepts. Knowledge of Java/Spring Boot application performance tuning. Mandatory Skills: Performance Testing. Experience: 5-8 Years....Minimum wageLocal areaWipro
O Fallon, MO19 hours ago$115k - $184k
...Operational Intelligence Program is engaged in developing innovative solutions through technology... ...to deliver technical solutions using JAVA technology stacks and Angular/ React front... ...J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and relational non-relational...Full timePart timeImmediate startWorldwideFlexible hoursMastercard
O Fallon, MO2 days ago- ...the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A... ...Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. Interest in designing, analyzing...Shift work
Samprasoft
O Fallon, MO1 day ago $92k - $147k
...Stack & AIOverview The Decision Services (D&S) Technology team develops analytics, reporting, and intelligence solutions that help... ...backend services, and responsive web applications. •Utilize Java, Spring Boot, frontend frameworks, and Python where appropriate. •Apply...Full timePart timeImmediate startWorldwideFlexible hours$92k - $147k
...development experience. ~ Experience building applications with Java and Spring Boot. ~ Understanding of REST APIs and microservice... ...required security training. Responsibilities: Design, develop, test, and maintain Java/Spring Boot microservices, including...Full timeMastercard
O Fallon, MO1 day ago- ...experience and knowledge. Front End/Browser level Performance Testing and Optimization exposure C++,UNIX,Shell Scripting Understanding of Java virtual machine and app servers; JVM GC process and its logs; performance metrics on *nix and Windows. Performance tuning experience...
Keylent Inc
O Fallon, MO19 hours ago
