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  •  ...Description Job Description Key Responsibilities: Design, develop, and maintain backend applications using Java 8 and the Spring...  ...and pipelines). Solid understanding of REST APIs and Microservices. Experience with SQL and NoSQL databases. Familiarity... 
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    Jobs for Humanity

    O Fallon, MO
    10 hours ago
  •  ...Job Title: Java Backend Developer Location: O'Fallon, MO, USA Years of Experience: 7 to 10 Years Job Summary: We are seeking...  ...applications. Solid understanding of RESTful APIs and microservices architecture. Proficient in database technologies such as... 
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    Yantran LLC

    O Fallon, MO
    2 days ago
  • $95k - $154k

     ...Want to Get Hired by Fortune 500 Companies? This is Where Your Career Begins If you're a Java developer, software programmer, data scientist, ML/ AI Engineer or a data analyst struggling to break into the tech industry, you're not alone. The job market is competitive... 
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    Full time
    H1b

    SynergisticIT

    University, MO
    3 days ago
  •  ...Title: Full Stack Java Developer Location: Ofallon, MO 63368 Type: Contract Duration: Long Term...  ...emerging technologies. Fluent in Java, Spring Boot, and Microservices (REST API) Experienced in developing UI using Modern Web... 
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    Contract work

    NR Consulting

    O Fallon, MO
    5 hours agonew
  •  ...Onsite Project Scope: Seeks a Senior Software Developer who will be a crucial part of our software team. The selected...  ...technologies. ~ Fluent in Java, Spring Boot, and Microservices (REST API) ~ Experienced in developing UI using Modern Web... 
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    Procyon TS

    O Fallon, MO
    2 days ago
  •  ...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,... 
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    Yantran LLC

    O Fallon, MO
    1 day ago
  • $212k - $339k

     ...observability, and incident management. • Build, lead, and develop a high-performing organization of engineering managers and senior...  ...in modern application architectures, including APIs, microservices, event-driven systems, batch processing, and data platforms.... 
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    Full time
    Part time
    Worldwide
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    3 days per week

    Mastercard

    O Fallon, MO
    2 days ago
  •  ...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... 
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    Local area

    Damco Solutions

    O Fallon, MO
    3 days ago
  •  ...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.... 
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    Full time
    Local area

    Veracity

    O Fallon, MO
    1 day ago
  • $225k

     ...business leaders, you’ll deliver innovative, user-focused solutions while mentoring engineers and promoting best practices in cloud, microservices, and DevOps. The company values creativity, inclusion, and continuous growth, offering the opportunity to work with cutting-edge... 
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    Mastercard

    O Fallon, MO
    17 days ago
  • $254k - $407k

     ...native platforms supporting high availability, scalability, and performance requirements. • Deep expertise in distributed systems, microservices architectures, and event-driven systems. • Experience building and supporting real-time, data-driven platforms, including AI/... 
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    Full time
    Part time
    Worldwide
    Flexible hours
    3 days per week

    MasterCard

    O Fallon, MO
    10 hours ago
  •  ...full stack development in modern technologies for large enterprise technology platforms and systems. Hands-on experience in coding Microservices in Java, building UI/UX, frameworks such as React, Angular, spring boot, RDBMS, Oracle and event driven architecture. Experience... 
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    Yantran LLC

    O Fallon, MO
    1 day ago
  •  ...structures, data collections and system design problems Expected to develop new APIs and host new end points. Experienced in...  ...time. Conversant in design patterns Strong Experience with Microservices, Spring boot framework Good understanding of web services... 
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    Zortech Solutions

    O Fallon, MO
    2 days ago
  •  ...reusable services by maintaining technology roadmaps. Hands on experience in Java/J2EE technologies with REST APIs, JSON, Postgres, microservices architecture, Spring boot and web app design framework working experience, DevOps and CI/CD. Experience in delivering... 
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    Work experience placement

    Samprasoft

    O Fallon, MO
    3 days ago
  •  ...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... 
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    Argyle Infotech

    O Fallon, MO
    2 days ago
  • $170k - $281k

     ...with usage of AI with deep expertise in Fraud Rules practices. You will work closely with senior leaders and engineering teams to develop solutions aligned with the AI & DPE technology roadmap. The ideal candidate brings experience in modernizations and large scale... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    2 days ago
  • $140k - $231k

     ...Summary Lead Software Engineer Overview Be part of the Artificial Intelligence & Decision Processing Engineering team developing new capabilities for MasterCard's Decision Management Platform, which serves as the core for multiple business solutions to combat... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    2 days ago
  •  ...Personalization AME, Oracle Workflow BI Publisher, Oracle Reports, Noetix Technical & Ops Tools: WinSCP, PuTTY, TOAD, SQL Developer, Bitbucket, Jenkins, Splunk, Dynatrace, Remedy, Citrix Collaboration & Documentation: Confluence, SharePoint, JIRA Experience... 

    ClifyX

    O Fallon, MO
    1 day ago
  • $305k

     ...architecture and development of mission-critical systems, and champion modern engineering practices, including cloud-native design, microservices, APIs, DevOps, and CI/CD. You will build and mentor high-performing teams, foster a culture of innovation and inclusion, and... 

    Mastercard

    O Fallon, MO
    17 days ago
  • Summary 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... 
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    Work from home
    Home office

    Chenega Corporation

    O Fallon, MO
    10 hours ago
  •  ...engineering profiles. No Subcon's and No Remote location Pls. Mandatory Skills:- 5+ years product development with Java, Spring Boot, Microservices, Containerization, AWS EKS, gRPC 10+ years of expertise in design patterns, anti-patterns and Cloud Native Development in AWS... 
    Remote work

    Diverse Lynx

    O Fallon, MO
    2 days ago
  •  ...Front End UI Developer (Hybrid-Remote) O'Fallon, Missouri, United States About the Job Front End UI Developer (Hybrid-Remote) *24 month contract to hire role (hybrid-remote) Role Deliver solutions by providing direct development of software. Work closely... 
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    Remote work
    Flexible hours

    Nanosoft Consulting

    O Fallon, MO
    3 days ago
  •  ...Backend Python Developer Day 1 relocation-All 5 days onsite at Bridgeton, MO Responsibilities Lead the Design and Develop...  ...Managed container orchestration in cloud environments. Microservices Architecture: Familiarity with designing and developing microservices... 
    Relocation

    United IT

    Bridgeton, MO
    2 days ago
  •  ...Key responsibilities: • Design and develop the applications using Agile Methodology and followed TDD and Scrum. • Java Programming...  ...as a strong Java developer (Spring, Spring Boot, Maven) • Microservices experience (Spring Boot) • Secure Code Experience •... 

    Rootshell Enterprise Technologies

    Maryland Heights, MO
    2 days ago
  •  ...Software Engineer Back end developer. Message/event based architecture experience preferred but not mandatory Required Experiences/Skillsets: Strong Java and Spring Framework (Spring Boot, Spring Cloud, Spring Batch, etc) Strong SQL programming experience... 

    Samprasoft

    O Fallon, MO
    3 days ago
  •  ...Software Developer The Commercial Solutions team is engaged in working with new and innovative technologies to build business solutions that keep positioned as a leader in providing valued solutions to corporate card holders around the world. We are currently looking... 
    Work experience placement

    Samprasoft

    O Fallon, MO
    3 days ago
  • $96k - $163k

     ...IT organizations. • Knowledge in statistics and machine learning would be highly beneficial: The candidate should have a strong developed mentality with a focus on measuring and metrics • Knowledge and hands-on experience with Kubernetes, as well as automation... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    10 hours 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, MO
    3 days ago
  • $140k - $231k

     ...policies and technical standards. Solid understanding and working knowledge of system design processes with experience developing designs, defining technical requirements, developing analyses of alternatives, and system architectures. Perform security... 
    Full time
    Part time
    Work experience placement
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    1 day ago
  •  ...operating systems and databases for complex application systems. Develop data platform components in a cloud and on-premises...  ...Experience with Scala/Groovy/Java API Development (proper microservice separation, verb usage) Experience in infrastructure automation... 

    Samprasoft

    Wildwood, MO
    3 days ago