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  • Senior Java Backend Developer

     ...Backend Developer Requirement/Must Have: ~6+ years of experience in backend development using Java. ~ Strong expertise in...  ...event-driven architecture concepts. ~ Extensive experience in microservices architecture and distributed systems. ~ Experience working... 
    Suggested

    Cynet Systems

    O Fallon, MO
    4 days ago

  • Java Backend Engineer

     ...development and be well-versed in cloud-native applications, microservices, and a modern technology stack. Here's a breakdown of the perfect...  .... # Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and... 
    Suggested
    Full time

    Veracity

    O Fallon, MO
    4 days ago

  • Lead Full Stack Engineer

     ...the design, development, and deployment of high-quality Java microservices that integrate with modern front-end frameworks and third-party...  ...with either some lead experience or multiple senior developer roles. ~ Extensive experience as a full-stack Software Engineer... 
    Suggested
    Hourly pay
    H1b
    Work at office
    Relocation
    3 days per week

    Veracity

    O Fallon, MO
    4 days ago

  • Sr. Java Developer

     ...Sr. Java Developer: Job Description: 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) bility to drive end to end development... 
    Suggested

    Damco Solutions

    O Fallon, MO
    4 days ago

  • Senior Java Developer

     ...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?... 
    Suggested
    Work experience placement

    Maintec Technologies

    O Fallon, MO
    17 hours ago

  • Full Stack Developer

     ...Scale @ Speed' as our guiding principle. Title- Full Stack Developer Location- St. Louis, MO Mode of Interview- (L1 -Video...  ...technology platforms and systems.\ Hands-on experience in coding Microservices in Java, building UI/UX, frameworks such as React, Angular,... 
    Suggested

    Yantran LLC

    O Fallon, MO
    16 hours ago

  • Python Developer

     ...ideal candidate is highly experienced in designing large-scale data intensive applications with particular proven track record in microservice development. The candidate needs to be passionate about technical detail, must be highly motivated, intellectually curious, and... 
    Suggested
    For contractors
    H1b
    Work at office
    Local area

    Samprasoft

    O Fallon, MO
    3 days ago

  • Java Engineer

     ...ideal candidate is an expert in backend development with deep experience in Java, microservices, and cloud-native technologies. This is a highly technical role ideal for senior developers or leads passionate about solving complex problems in a fast-paced environment.... 
    Suggested
    Full time
    Local area

    Veracity

    O Fallon, MO
    1 day ago

  • java developer

     ...Java Developer Location: O’Fallon, MO – Day 1 Onsite – No Remote Duration: Long Term Passport copy mandatory to submit the...  ...Hands on experience in Java(J2ee) • Strong in webservices (microservices), Rest API’s, Oracle DB knowledge, Cloud native (preferably AWS... 
    Suggested
    Remote work

    Argyle Infotech

    O Fallon, MO
    2 days ago

  • Senior DevOps Engineer

    $107.9k - $195.05k

     ...The primary duties will be to support the deployment of microservices via a DevSecOps pipeline within a Linux-based multi-tenant environment...  ...diagnosing and resolving VPC connectivity issues Develop, update, and maintain GitLab CI/CD pipeline code Configure,... 
    Suggested
    Local area
    Immediate start
    Remote work

    Leidos

    O Fallon, MO
    2 days ago

  • Lead Software Engineer

    $140k - $231k

     ...Lead Software Engineer to lead the architecture and design of microservices responsible for both API and web authentication...  ...modular design, and maintainability • Build and enhance internal developer platforms using Backstage or similar frameworks, leveraging plugin... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    Dynamic Yield

    O Fallon, MO
    2 days ago

  • Software Engineer II

    $92k - $147k

     ...applications to improve performance, scalability, and code quality. • Develop expertise in new technologies, programming languages, and...  ..., Confluence, and Rally. • Exposure to cloud technologies, microservices architectures, and modern application development practices.... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    Weldon Spring, MO
    5 days ago

  • Senior Software Engineer

     ...Experience with testing frameworks and methodologies (Gtest, JUnit, BlazeMeter, mocking, etc.) Experienced in building platforms with Microservice architecture and RESTful APIs. Experience using cloud-native approaches running on Linux, leveraging Spring Boot Exposure... 
    Suggested
    Contract work

    w3r Consulting

    O Fallon, MO
    4 days ago

  • Software Engineer II

     ...related technologies ~ What are a couple of desired/nice to have skills? Data engineer/SDET # Knowledge of Microservices and scaling techniques # Experience using web service APIs # Ability to create good acceptance and integration test... 
    Suggested

    3B Staffing LLC

    O Fallon, MO
    2 days ago

  • Software Developer

     ...Scale @ Speed' as our guiding principle. Job Title: Software Developer (Contractor) Location: OFallon, MO, USA Job Summary:...  ...and data streaming. Solid understanding of RESTful APIs and microservices architecture. Experience with version control systems,... 
    Suggested
    Hourly pay
    Contract work
    For contractors

    Yantran LLC

    O Fallon, MO
    5 days ago

  • Lead SDET Engineer

     ...automation experience using open source technologies and/or in-house frameworks -- MUST Experience in API testing (SOAP and MicroServices). Experience in UI and Mobile Testing. Experience with test frameworks like Junit, TestNG. Familiarity with BDD and/or... 

    Argyle Infotech

    O Fallon, MO
    2 days ago

  • Mid Software Developer

     ...Mid Software Developer – O’Fallon, IL Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence... 
    Work at office
    Work from home
    Home office

    Chenega Agile Real Time Solutions, LLC

    O Fallon, MO
    1 day ago

  • Senior Software Development Engineer

     ...network to continue learning from, we are using Axon, PCF, we have microservices. Pursuing a contractor conversion currently on their team,...  ...and recommend optimal solutions. Work closely with other developers to design of new functionality and enhancements to MasterCard... 
    For contractors
    Work experience placement
    Bank staff
    Flexible hours

    Samprasoft

    O Fallon, MO
    3 days ago

  • Manager, Software Engineering

     ...Java EE RESTful APIs Frontend frameworks (Angular / React) Databases (Oracle / PostgreSQL) Experience building microservices architecture, event-driven systems, and cloud-native applications Strong understanding of data structures and algorithms, with... 

    Dynamic Yield

    O Fallon, MO
    2 days ago

  • Senior Platform Engineer

    $96k - $163k

     ...The DevFlow team in the Mastercard Software Builders Experience program is leading the DevOps transformation at Mastercard by developing automation tooling and driving standards throughout the development, quality, release, and product organizations. Our team members... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    17 hours ago

  • Full Stack Java Developer

     ...reliability, and performance to deliver solutions that delight our customers. We're looking for talented software development engineers to develop advanced technologies and applications that are revolutionizing payments. Are you passionate about software engineering? Do... 
    Work experience placement
    Flexible hours

    Samprasoft

    O Fallon, MO
    3 days ago

  • Lead Full Stack Developer

     ...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, MO
    3 days ago

  • Senior Software Engineer

    $115k - $184k

     ...engineers. Role As a Senior Software Engineer, you will: • Design, develop, test, deploy, and support scalable software solutions that...  ...to process high-volume transaction workloads. • Develop microservices and backend services using Java, Spring Boot, and Spring Batch... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    1 day ago

  • Lead BizOps Engineer

     ...we are responsible for ensuring that our platform is stable and healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase... 
    Flexible hours

    MasterCard

    O Fallon, MO
    4 days ago

  • Full Stack .Net Developer

    $140k - $160k

    100% Remote .NET/AI Developer Must work in EST Cannot Provide Sponsorship - Must be able to work W2 Description This role...  ...Development: Design, develop, and own backend services, REST APIs, microservices, and data access layers using C#/.NET, Node.js, Azure... 
    Permanent employment
    Remote work

    TEKsystems

    Wildwood, MO
    3 days ago

  • Senior Cloud Engineer

    $160.65k - $217.35k

     ...with our Cyber Systems and IT business partners to architect, develop, deploy, administer, and maintain cloud environments to support...  ...Understanding of designing and implementing full stack/microservice infrastructure Understanding of secure software development... 
    Permanent employment
    Work experience placement
    Interim role
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work

    Boeing

    Berkeley, MO
    4 days ago

  • Back-End Software Engineer (Experienced or Senior)

    $126.65k - $171.35k

     ...Services (BDS) business organization.This position will focus on developing prototypes and new capabilities for web-applications and...  ...datasetsExperience leading projects Experience with AWS cloudUnderstanding microservices, client-server architecture, event-driven architecture,... 
    Permanent employment
    Work experience placement
    Currently hiring
    Relocation
    Relocation package
    Flexible hours
    Shift work

    Boeing

    Berkeley, MO
    18 hours ago

  • Senior Java Engineer

     ...with teams across the organization to mitigate risk and resolve dependencies. All About You Successfully designed and developed externally facing web applications utilizing modern single page application frameworks. Good understanding of JavaScript and its... 
    Local area

    Samprasoft

    O Fallon, MO
    3 days ago

  • Senior Software Engineer

    $115k - $184k

     ...intelligent decision management capabilities worldwide. A Senior Software Engineer is an experienced individual contributor who designs, develops, tests, and maintains complex software solutions while serving as a technical leader and mentor within their team. This role... 
    Full time
    Part time
    Work experience placement
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    5 hours ago

  • Full-Stack Software Engineer

    $62.3 - $89 per hour

     ...React. Extensive experience in API development and building microservices. Strong knowledge of cloud services, specifically AWS, and experience...  ...CD pipelines. Relevant certifications, such as AWS Certified Developer. Previous experience in the agriculture or crop science... 

    Technology Partners

    Maryland Heights, MO
    2 days ago