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- ...Scale @ Speed' as our guiding principle. Title- Full Stack Developer Location- St. Louis, MO Mode of Interview- (L1 -Video and... ...in Java, building UI/UX, frameworks such as React, Angular, spring boot, RDBMS, Oracle and event driven architecture. Experience in...Suggested
Yantran LLC
O Fallon, MO4 days ago - ...structures, data collections and system design problems Expected to develop new APIs and host new end points. Experienced in... ...Conversant in design patterns Strong Experience with Microservices, Spring boot framework Good understanding of web services and related...Suggested
Argyle Infotech
O Fallon, MO9 hours ago - ...Role: - Senior Java Developer Location: - O'Fallon, MO Duration: - Long term Required Skills - Agile, API, Cloud, Cucumber, J2EE, Java, Junit, Microservices, Selenium, Spring Boot, SQL What are your top three required technical skills?...SuggestedWork experience placement
Maintec Technologies
O Fallon, MO4 days ago - ...Java Developer Location: O’Fallon, MO (Onsite from day 1) Interview Process: 3 rounds will be Zoom Duration: 12+ Months Job... ...and hands on experience with modern applications like spring boot, Angular. Experience building and operating critical production...SuggestedWork experience placement
Argyle Infotech
O Fallon, MO9 hours ago $115k - $184k
...possibilities for all. Overview The Fraud Products team develops fraud prevention and identity verification solutions on Mastercard... ...scale. All About You •Strong experience with Java/J2EE, Spring Boot, and distributed systems. •Experience building and...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO2 hours agonew- ...part of the Operations & Technology Fraud Products team developing new capabilities for MasterCard's Decision Management... ...required: Technical experience using Java/JEE Spring Framework (including Spring Boot) Familiarity with cloud technologies like cloud foundry...SuggestedLocal areaRemote workRelocation
Samprasoft
O Fallon, MO1 day ago $140k - $231k
...years of software engineering experience. - 3+ years leading large-scale distributed system initiatives. - Expert-level Java, Spring Boot, REST APIs, microservices architecture, and distributed systems expertise. - Strong software architecture and software design...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago- ...here with LEAD experience. Needs to provide mentorship. Any experience with mentoring or guiding junior developers would be great Strong Java and Spring Boot experience Cloud Deployments- Azure is primary. AWS will be on the roadmap at some point. In general,...SuggestedContract workRemote workRelocationFlexible hours2 days per week
Samprasoft
O Fallon, MO1 day ago $115k - $184k
...is a senior individual contributor responsible for designing, developing, and supporting highly scalable distributed systems. This... ...All About You Strong hands-on experience with Java, Spring Boot, Kafka, REST APIs, JPA, and distributed systems. Strong understanding...SuggestedWorldwideDynamic Yield
O Fallon, MO3 days ago- ...Java AI Engineer We are seeking a highly skilled Java Developer with Agentic AI experience to design and develop next-generation Agentic... .... The ideal candidate will have strong expertise in Java, Spring Boot, backend development, and event-driven architectures, along...Suggested
Diverse Lynx
O Fallon, MO3 hours agonew $100k
...more than 15 years , SynergisticIT has been helping aspiring developers like you excel in the tech industry. We focus on equipping... ...Knowledge of Core Java , javascript , C++ or software programming Spring boot, Microservices, AWS, Docker, Jenkins, Github, Kubernates and...SuggestedH1bRemote workSynergisticIT
O Fallon, MO4 hours agonew- ...Senior Java Back-End Engineer with strong AI expertise to design, develop, and deploy scalable backend systems and Agentic AI solutions. The ideal candidate will have extensive experience in Java/Spring Boot development, microservices, APIs, cloud platforms, and hands-on...SuggestedLocal areaRelocation
$115k - $184k
...Remote Payment and Presentment System) platform team. This team develops and supports critical software solutions that enable payment... ...production support. The position requires strong expertise in Java, Spring Boot, API development, and modern front-end technologies, coupled...SuggestedFull timePart timeRemote workWorldwideFlexible hours- ...Java Developer - W2 (Hybrid ) Location: O'Fallon, MO (Hybrid) Position Overview We are seeking an experienced Java Developer... ...environments. This role requires strong expertise in Java, Spring Boot, microservices architecture, and modern software engineering practices...Suggested
$115k - $184k
...0 per year Requirements: ~### ~ Proficient in core Java, Spring Boot, Spring (MVC, IOC, AOP, Security), SQL, RDBMS (Oracle and PostGRES... ...(JSON and SOAP), Kafka, Zookeeper. ~ Experience in developing microservice applications and deploying them on public clouds...SuggestedFull timeMastercard
O Fallon, MO1 day ago- ...healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient... ...ensuring the reliability, scalability, and performance of our Java, Spring Framework applications, supporting essential services that...
Dynamic Yield
O Fallon, MO9 hours ago $140k - $231k
...software development lifecycle to safeguard systems against security threats. • Lead software development efforts using Java, Spring Boot, and work with Oracle databases for performance tuning and data modeling. • Design and leverage data structures to optimize system...Full timePart timeWorldwideFlexible hours$140k - $231k
...transactional use cases. The primary purpose of this role is to develop and deliver best-of-breed authentication products for e-... ...Angular, Web Services, JavaScript, HTML/CSS • Frameworks: Spring (Spring Boot, Spring Data, Spring Batch, Spring REST, Spring Cloud, AOP),...Full timePart timeWorldwideFlexible hours$140k - $231k
...design, and maintainability •Build and enhance internal developer platforms using Backstage or similar frameworks,... ...development with applicable JAVA technologies (Core JAVA, Spring Integration, Spring Boot, Hibernate, REST/SOAP web services) • Proven experience...Full timePart timeWorldwideFlexible hours$75k
...O’Fallon, IL Job Summary Mid Software Developer – Backend Software Developer to modify existing GOTS code and integrate open‑source solutions for display and analysis within Aeronautical Production Systems. Responsibilities Coding, developing, integrating, and debugging...Work at officeWork from homeHome officeChenega MIOS SBU
O Fallon, MO9 hours ago$92k - $147k
...movement of transactions around the world. Role • Design, develop, test, and support software components and services using... ...• Experience building applications and REST APIs using Java, Spring Boot, and Spring Data JPA. • Strong foundation in computer science...Full timePart timeWorldwideFlexible hours$115k - $184k
...Mastercard application teams. The Customer Connectivity team develops and supports shared security services to be leveraged across Enterprise... ...in working with fast-paced, modern architecture using Java, Spring boot, Kafka, C++, JNI or similar technologies. • BS in Computer...Full timePart timeWork experience placementWorldwideFlexible hours$92k - $147k
...organizations and governments. As a Software Engineer, you will develop these products and solutions with speed and agility as part of... ...and microservices •Develop REST APIs using Java and Spring Boot with a focus on performance and reliability •Apply software...Full timePart timeWorldwideFlexible hours$115k - $184k
.... Role •Design, build, test, deploy, and maintain scalable, cloud-native applications and microservices •Develop REST APIs using Java and Spring Boot, focusing on performance, scalability, and reliability •Translate requirements into well-structured designs and...Full timePart timeWorldwideFlexible hours$72k - $115k
...support of business-critical applications. What You Will Do •Develop software solutions by translating product requirements into... .... All About You •Good understanding of Java, J2EE, Spring, Spring Boot, Kafka, RESTful Web Services, and JPA. •Foundational understanding...Full timePart timeWorldwideFlexible hours$115k - $184k
...requires strong expertise in Java-based application development, Spring Boot, Kafka, PostgreSQL, and modern software engineering practices,... ...Role As a Senior Software Engineer, you will: • Design, develop, test, deploy, and support scalable software solutions that...Full timePart timeWorldwideFlexible hours- ...adhering to MasterCard standards, processes and best practices. • Develop, customize, and test applications to integrate to MasterCard’s... ...Experience • Intermediate to Advanced skills in - Core Java, Spring Technologies • Intermediate to Advanced skills in - Oracle /...Work experience placement
Samprasoft
O Fallon, MO1 day ago $212k - $339k
..., observability, and incident management. • Build, lead, and develop a high-performing organization of engineering managers and senior... ...such as Java, REST APIs, Kafka, messaging systems (MQ), Spring, CI/CD pipelines (e.g., Jenkins), and cloud platforms (e.g., Pivotal...Full timePart timeWorldwideFlexible hours3 days per weekMasterCard
O Fallon, MO3 days ago- ...withasolidunderstandingofObjective-C.Alsoexperiencedincross-platformmobiledevelopmentusingtoolssuchasReactNativeorXamarin • IntermediateexperienceusingJava/Spring/RESTfulAPIs • Intermediateexperienceconductingunit,component,integratedandfunctionaltests(e.g.Junit,Mockito,Cucumberetc.) •...
Reuben Cooley, Inc.
O Fallon, MO4 days ago - ...fraudsters across the globe? Interested in creating Thats the stuff! software for combating scammers? The Transaction Security team develops new products for Mastercard's fraud prevention platform. We protect cardholders / card issuers and aim to eradicate credit card...
Samprasoft
O Fallon, MO1 day ago
