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- ...Description Job Description Key Responsibilities: Design, develop, and maintain backend applications using Java 8 and the Spring... ...-time streaming and pipelines). Solid understanding of REST APIs and Microservices. Experience with SQL and NoSQL databases....Suggested
Jobs for Humanity
O Fallon, MO5 days ago - ...Job Title: Java Backend Developer Location: O'Fallon, MO, USA Years of Experience: 7 to 10 Years Job Summary: We are seeking... ...and streaming applications. Solid understanding of RESTful APIs and microservices architecture. Proficient in database technologies...Suggested
Yantran LLC
O Fallon, MO2 days ago - ...Backend Developer 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 event-driven architecture concepts....Suggested
Omni Inclusive
O Fallon, MO3 days ago - ...Onsite Project Scope: Seeks a Senior Software Developer who will be a crucial part of our software team. The selected... ...language. ~8 + years of experience in designing & Developing REST APIs and web services using Java, Spring Boot, and other emerging...Suggested
Procyon TS
O Fallon, MO2 days ago - ...Title: Full Stack Java Developer Location: Ofallon, MO 63368 Type: Contract Duration: Long Term Project... .... 8 + years of experience in designing & Developing REST APIs and web services using Java, Spring Boot, and other emerging...SuggestedContract work
NR Consulting
O Fallon, MO5 days ago - ...Description: Hybrid 4 onsite in Maryland Heights, MO Our client is hiring API Spring Developers to build backend services and integrations that enable AI agents to interact with enterprise systems for a high-priority Agentic AI initiative. The role centers on hands...SuggestedHourly payLocal area
- ...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, MO6 hours ago - ...Sr. Java Developer Key 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...Suggested
Damco
O Fallon, MO2 days ago $92k - $147k
...our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing... ...that can code and build high quality secure front end and REST API/backend that is modular, functional, and testable. - Contribute...SuggestedFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MOmore than 2 months ago- ...Comfortable enough in handling algorithms, data structures, Data collections and system design problems Expected to develop new APIs and host new end points. Experienced in Distributed System development using Java/J2EE/Web Technologies. Proven track...Suggested
Argyll Infotech, Inc.
O Fallon, MO2 days ago - ...space. We are currently looking for a talented Full Stack PHP Web Developer to join our team at our headquarters office in St. Louis,... ...necessary skills and experience to build modern web applications and APIs using the latest back end and front-end technologies. You must...SuggestedFull timeCasual workWork at office
Axiom Product Administration
O Fallon, MO6 days ago - ...Solutions program is part of Identity Solutions. Our mission is to develop identity verification and fraud prevention services to protect... ...and deploy specifications, e.g., Web and application servers, API Gateways, Database Services, and Load balancers Has skills to...SuggestedRelocation
Samprasoft
O Fallon, MO3 days ago - ...Java Developer Location: O’Fallon, MO (Onsite from day 1) Interview Process: 3 rounds will be Zoom Duration: 12+ Months Job Description... ...critical production systems. Solid understanding of modern API design and Restful principles. Fluent with git (preferred) or...SuggestedWork experience placement
Argyle Infotech
O Fallon, MO2 days ago - ...Senior Java Developer Hybrid role. Need local candidates only. Interview Process – Hacke rank Test, L1 & L2 interview. An ideal candidate... ..., and performance optimization. Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices...SuggestedLocal area
Damco
O Fallon, MO2 days ago - ...Java Developer Location: O’Fallon, MO – Day 1 Onsite – No Remote Duration: Long Term Passport copy mandatory to submit the profile... ...in Java(J2ee) • Strong in webservices (microservices), Rest API’s, Oracle DB knowledge, Cloud native (preferably AWS or Azure)...SuggestedRemote work
Argyle Infotech
O Fallon, MO2 days ago $115k - $184k
...design, architecture, testing, and delivery. -Create RESTful APIs and integrations that connect data catalog tools with -enterprise... ...business glossaries, search, enrichment, and bulk data uploads. -Develop services that retrieve, transform, store, and transfer data...Full timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago- ...administration, and enhancement of a Qlik Sense environment while helping develop next-generation Agentic products and data solutions. Key... ...Strong full-stack development background with: Java API Development Angular React Experience with Agentic AI...
Delan Associates Inc
O Fallon, MO3 days ago - ...Sr. Software Engineer We are seeking a skilled Software Developer with a strong background in Java, Spring Boot, Microservices, and... ...methodologies and DevOps practices. Familiarity with RESTful APIs and web services. Understanding of database technologies (SQL...
Echo IT Solutions
O Fallon, MO2 days ago - ...applications, system to system interfaces and complete software solutions. Design and develop test automation scenarios to validate system to system interfaces and complete software solutions (for API and UI tests). Interact with business and development stakeholders to define...
Samprasoft
O Fallon, MO3 days ago - ...skills? Data engineer/SDET # Knowledge of Microservices and scaling techniques # Experience using web service APIs # Ability to create good acceptance and integration test automation scripts and integrate with Continuous integration (Jenkins/...
3B Staffing LLC
O Fallon, MO2 days ago - ...Hibernate Angular/React front-end development REST/SOAP APIs and enterprise application development 2. Cloud-Native Architecture... ...Engineering Ability to leverage GenAI tools to improve developer productivity Apply AI-assisted coding, testing,...Work experience placement3 days per week
RIT Solutions, Inc.
O Fallon, MO2 days ago - ...that can code and build high quality secure front end and REST API/backend that is modular, functional, and testable. Contribute... ...object-oriented development and design patterns. Full stack developer with ability to write secure code in backend and frontend...
Vets Hired
O Fallon, MO3 days ago - ...first software delivery ecosystem and delivering a world class developer experience. We are seeking a Senior Software Engineer to design... ...using React and TypeScript Design and implement REST APIs and service integrations across the Developer Experience ecosystem...Full timePart timeWorldwideFlexible hours
Dynamic Yield
O Fallon, MO1 day ago - ...Scale @ Speed' as our guiding principle. Job Title: Software Developer (Contractor) Location: OFallon, MO, USA Job Summary:... ...messaging and data streaming. Solid understanding of RESTful APIs and microservices architecture. Experience with version control...Hourly payContract workFor contractors
Yantran LLC
O Fallon, MO5 days ago - ...Selenium/Webdriver ¿ Experience in testing Web services, SOAP UI Pro, APIs (REST/SOAP) ¿ Experience in Mobile application testing &... ...Integration and Delivery, Tools such as Jenkins/Bamboo/Chef) ¿ Develops/monitors quality gating and automation strategy for a given project...
Procyon TS
O Fallon, MO2 days ago - ...with technology staff including Quality Engineers, Operations, Developers, Devops Engineers, Product management, and Program management to... ...covering all key practice areas including mobile, web, and API testing. Drive adoption of development services (Quality Engineering...Work experience placement
Samprasoft
O Fallon, MO3 days ago - ...Fraud Management Application Developer Work with a talented team of developers and test engineers to develop fraud management applications... ...automated test suites with code, front end GUI automation and API testing. Perform ad hoc / exploratory testing methodically to...
Samprasoft
O Fallon, MO3 days ago - ...Required Experience: You have experience building applications using Java and PCF You have extensive experience with Java APIs Some experience with web technologies, including HTML, Javascript and front-end frameworks such as Angular Optimizing applications...
Yantran LLC
O Fallon, MO5 days ago $170k - $281k
...systems. • Strong hands-on experience with Java, Spring Boot, REST APIs, gRPC, and modern application frameworks. • Experience... ...regarded mentor and advisor with a demonstrated commitment to developing engineering talent. • Excellent communicator capable of translating...Full timePart timeWorldwideFlexible hours- ...customizations, adhering to standards, processes, and best practices.Role:Develop medium-sized project/initiatives as an individual contributor... ...in Java/J2EE technologies with Spring Boot framework, REST APIs, JSON, Groovy, Grails.Experience in front end technologies like...Work experience placement
