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- ...Sr. Java DeveloperKey Skills and Experience:Strong hands on experience in Java(J2ee)Strong in webservices(microservices), Rest API's, Oracle DB knowledge, Cloud native(preferably AWS or Azure)Ability to drive end to end development, performance code reviews, build test...Suggested
Damco
O Fallon, MO2 days ago - ...customers. We're looking for talented software development engineers to develop advanced technologies and applications that are revolutionizing... ....Proficiency in multiple modern programming languages such as Java, Python, C++ etc.Strong written and verbal English...SuggestedWork experience placementFlexible hours
Samprasoft
O Fallon, MO1 day ago - ...membersMentor and guide new and less-experienced team membersExperiencesHas ability to write secure code in multiple languages (e.g., Java, JavaScript) and familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT) and vulnerability managementUnderstands the...SuggestedContract workLocal area
ShiftCode Analytics
O Fallon, MO2 days ago - ...Java Engineer Location: O'Fallon, Missouri - Onsite An ideal candidate for this role would have extensive experience in Java... .... Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and REST APIs...Suggested
United IT
O Fallon, MO5 days ago - ...ArchitectOverview: As part of an exciting, fast paced environment developing digital identity and security solutions in the mobile and e-... ...:Knowledge of advanced authentication techniques on mobile and web based platformsWeb Services - REST/JSON - Advanced Level.J2EE Web...Suggested
Samprasoft
O Fallon, MO2 days ago - ...Position: Java Engineer Location: Onsite - 5 Days/Week (O'Fallon, Missouri or NYC, NY) Type: Full-Time Employee (FTE)... ...technologies. This is a highly technical role ideal for senior developers or leads passionate about solving complex problems in a fast-paced...SuggestedFull timeLocal area
Veracity
O Fallon, MO4 days ago - ...Mid-Level Java Software Engineer IILocation: O'Fallon, Missouri (Main Campus)Duration:... ...part of an exciting, fast paced environment developing cloud-native authentication and security... .... Background in building or designing Web services – REST/XML/WSDL/SOAP. Java EE Web...Suggested
Samprasoft
O Fallon, MO1 day ago - ...Senior Java Engineer Senior Java Engineer O’Fallon MO – Day 1 Onsite BS in CS 1... ...and system design problems Expected to develop new APIs and host new end points. Experienced... ...System development using Java/J2EE/Web Technologies. Proven track record in delivering...Suggested
Argyle Infotech
O Fallon, MO5 days ago - ...Senior Java Backend DeveloperO'Fallon, Missouri [Onsite]Job Description:6+ years of experience in backend development using Java.Strong expertise in Core Java, Spring Boot, and REST APIs.Hands-on experience with Kafka / event streaming platforms.Solid understanding of...Suggested
E-Solutions
O Fallon, MO1 day ago - ...Senior Java Full-Stack DeveloperOur client, a credit card company, is looking for a Senior Java Full-Stack Developer for their O'Fallon, MO/Hybrid location.Responsibilities:Develop enterprise... ..., and MongoDB.Experience with web services (SOAP/RESTful), servers (WebSphere...SuggestedWork experience placement
ICONMA
O Fallon, MO1 day ago - ...Lead Java DeveloperInterview: Video + F2F Visa: USC, GC This is hybrid from day-1. Responsible for identifying and resolving end-to-... ...performance incidents in production and pre-production environments.Develop capacity models and performance baselines for services running...Suggested
ShiftCode Analytics
O Fallon, MO2 days ago - ...Java Lead Role - Java Lead Experience Required - 6+ Years Must Have Technical/Functional Skills Object-oriented Programming Web services & API standards (REST/OAuth/JSON) Programming & Scripting Languages (2 or more of Java, C++, Scala, JS, Python, Shell...Suggested
ClifyX
O Fallon, MO1 day ago $115k - $184k
...seeking a talented Senior Software Engineer – Java Full Stack to design, build, and modernize... ...three days per week onsite.Role:Design, develop, test, deploy, and maintain scalable full-... ....Experience developing modern, responsive web applications using React, Angular,...SuggestedFull timePart timeFlexible hours3 days per weekMasterCard
O Fallon, MO1 day ago- ...containerization # Fluency in one or more languages like Scala, Java, Python etc. # Understanding/experience in Apache Spark,... ...Microservices and scaling techniques # Experience using web service APIs # Ability to create good acceptance and...Suggested
3B Staffing LLC
O Fallon, MO5 days ago - ...building complex and highly scalable and performing systems Solid understanding and hands-on experience in Java, J2EE, Spring, Spring Boot, Kafka, RESTful web services, and JPA You have experience in building AI assisted application, autonomous and semi-...Suggested
Saxon Global
O Fallon, MO1 day ago - ...Employment Type: C2H Duration: Long Term Key Technology: Java, Full Stack, SQL Job Responsibilities: Lead the... ...experience with either some lead experience or multiple senior developer roles. ~ Extensive experience as a full-stack Software...Hourly payH1bWork at officeRelocation3 days per week
Veracity
O Fallon, MO2 days ago - ...Be part of the Operations & Technology Fraud Products team developing new capabilities for MasterCard's Decision Management Platform,... ...to combat fraud and validate cardholder identity. Our patented Java-based platform processes billions of transactions per month in...Local areaRemote workRelocation
Samprasoft
O Fallon, MO1 day ago $140k - $231k
...requirements, and test strategies for each initiative. Create technical designs, provide technical direction, and assign work to developers. Develop complex stories in C and write unit tests in C++ using Google Test. Apply secure coding practices throughout the...Dynamic Yield
O Fallon, MO3 days ago- ...building complex and highly scalable and performing systems Solid understanding and hands-on experience in Java, J2EE, Spring, Spring Boot, Kafka, RESTful web services and JPA You have experience in building AI assisted application, autonomous and semi-autonomous...Live in
ICONMA
O Fallon, MO1 day ago - ...Evidence of working with object-oriented development and design patterns. Full stack developer with ability to write secure code in backend and frontend programming languages (Java, JavaScript, Angular, SQL) and familiar with secure coding standards and...
Vets Hired
O Fallon, MO1 day ago $60 - $70 per hour
...O'Fallon, MO. Client is researching and developing the next generation of products and services... ...is a hands-on developer specializing in Java development with a particular focus... ...2EE, Spring, Spring Boot, Kafka, RESTful web services and JPA You have experience in...Contract workLive inLocal areaPrimary Talent Partners
O Fallon, MO1 day ago$140k - $231k
...You ~10+ 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...Full timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago- ...first software delivery ecosystem and delivering a world class developer experience. We are seeking a Lead Software Engineer to design... ...Advanced proficiency in modern programming languages (e.g., Java, C#) and frontend development using React and TypeScript Experience...Full timePart timeWorldwideFlexible hours
Dynamic Yield
O Fallon, MO5 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...Temporary work
Delan Associates, Inc
O Fallon, MOa month ago - ...Should have experience of Java Test Development, primarily as an architect or consultant... ...Selenium/Webdriver ¿ Experience in testing Web services, SOAP UI Pro, APIs (REST/SOAP) ¿... ...Delivery, Tools such as Jenkins/Bamboo/Chef) ¿ Develops/monitors quality gating and automation...
Procyon TS
O Fallon, MO5 days ago - ...Software DeveloperDesigns, develops, modifies, enhances and implements software systems designed... ...of development tools like Eclipse IDE for Java EE Developers, GitHub, Jira, Jenkins,... ...problems for production applications and web services supported by the team in accordance...
Software Technology Inc
Maryland Heights, MO2 days ago - ...promoting architectural standards of the organization.Leads a team of developers; oversees development team quality of work, timelines, and... ...AWS, GCP or other cloud providerTechnical Requirements (can be modified specific to team/role)• JavaScript/Java/Groovy/Go/C#/....
Samprasoft
Wildwood, MO2 days ago - ...guiding principle. Title- Full Stack Developer Location- St. Louis, MO Mode of Interview... ...on experience in coding Microservices in Java, building UI/UX, frameworks such as React... ..., micro services, RESTful APIs, Angular, Web Services, JavaScript, Docker Framework...
Yantran LLC
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 $57 - $73 per hour
...Maryland Heights, MO that is seeking a Software Engineer (Backend/Java) for a hybrid role.Summary:We are seeking a talented Software... ...mission-critical backend systems. This role focuses on developing scalable microservices and orchestration solutions that power complex...
