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  • Java Software Engineer

     ...Tuesday and Thursday) Interviews: 2 rounds (one technical) we will move quickly Environment: 2 days onsite hybrid as of now Java Back End Java and Spring Spring Boot PCF Environment – Cloud good to have. As long as has the knowledge around Cloud... 
    Suggested
    Relocation

    Samprasoft

    O Fallon, MO
    7 hours ago

  • Java Developer

     ...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, MO
    5 days ago

  • Java Engineer

     ...Java Engineer An ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud...  ...optimization. Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and REST... 
    Suggested

    United IT

    O Fallon, MO
    5 days ago

  • Senior Java Developer

     ...Architect Overview: 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 platforms Web Services - REST/JSON - Advanced Level.... 
    Suggested

    Samprasoft

    O Fallon, MO
    1 day ago

  • Java Full Stack Engineer

     ...Java Full Stack Engineer Primary Talent Partners has a new contract opening for a Java...  ...efficient to run. Key Responsibilities: Develop enterprise applications using a Java...  ..., and MongoDB. Experience with web services (SOAP/RESTful), servers (WebSphere... 
    Suggested
    Contract work
    Work experience placement
    Work at office
    Local area

    Primary Talent Partners

    O Fallon, MO
    3 days ago

  • Senior JAVA Engineer

     ...Senior JAVA Engineer O'Fallon MO - Day 1 Onsite BS in CS 10+ yrs. experience...  ...system design problems Expected to develop new APIs and host new end points....  ...Distributed System development using Java/J2EE/Web Technologies. Proven track record in... 
    Suggested

    Argyll Infotech, Inc.

    O Fallon, MO
    5 days ago

  • Java Developer

     ...Top 3 Required Skills: 1. Java Full Stack Engineering Java 8+, J2EE, Spring...  ...to leverage GenAI tools to improve developer productivity Apply AI-assisted coding...  ...PostgreSQL, and MongoDB. Experience with web services (SOAP/RESTful), servers (... 
    Suggested
    Work experience placement

    Anveta

    O Fallon, MO
    1 day ago

  • Java Backend Developer

     ...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, MO
    1 day ago

  • Java Backend Developer

     ...Company Description Job Description Key Responsibilities: Design, develop, and maintain backend applications using Java 8 and the Spring Framework. Build real-time, event-driven systems using Kafka. Collaborate with cross-functional teams to deliver... 
    Suggested

    Jobs for Humanity

    O Fallon, MO
    3 days ago

  • Java Backend Developer

     ...Java Backend Developer Location: O'Fallon, MO, USA Years of Experience: 7 to 10 Years Job Summary: We are seeking a skilled Java Backend Developer with a strong background in software development to join our dynamic team. The ideal candidate will have extensive... 
    Suggested

    Yantran LLC

    O Fallon, MO
    5 days ago

  • Lead Java Developer

     ...Interview : Video + F2F Visa : USC, GC This is hybrid from day-1 Lead Java Developer Responsible for identifying and resolving end-to-end performance bottlenecks across distributed systems, Spring Boot services, middleware components... 
    Suggested

    ShiftCode Analytics

    O Fallon, MO
    4 days ago

  • Java AI Engineer

     ...Java AI Engineer We are seeking a highly skilled Java Developer with Agentic AI experience to design and develop next-generation Agentic AI applications. The ideal candidate will have strong expertise in Java, Spring Boot, backend development, and event-driven architectures... 
    Suggested

    Diverse Lynx

    O Fallon, MO
    5 days ago

  • Software Engineer II

     ...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, MO
    5 days ago

  • Lead Full Stack Engineer

     ...Employment Type: C2H Duration: Long Term Key Technology: Java, Full Stack, SQL Job Responsibilities Lead the design,...  ...experience with either some lead experience or multiple senior developer roles. ~ Extensive experience as a full-stack Software Engineer... 
    Suggested
    Work at office
    3 days per week

    Veracity

    O Fallon, MO
    2 days ago

  • Lead Site Reliability Engineer-2

    $122k - $207k

     ...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... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    3 hours ago

  • Lead Software Development Engineer

     ...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 area
    Remote work
    Relocation

    Samprasoft

    O Fallon, MO
    8 hours ago

  • Lead Software Engineer

     ...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, MO
    29 days ago

  • Lead Software Engineer (C/C++)

     ...Management to elaborate features, stories, and test strategy for each initiative Create technical designs and assign work to developers Develop complex stories in C and write unit tests in C++ (Google Test) Be a quality gate by leading code and design reviews... 

    Dynamic Yield

    O Fallon, MO
    3 days ago

  • Lead BizOps Engineer

     ...the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A...  ...Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. Interest in designing, analyzing... 
    Shift work

    Samprasoft

    O Fallon, MO
    8 hours ago

  • Full Stack Java Developer

     ...• Good analytical and multitasking skills. • Good oral and written communication skills. • Identify and resolve problems in a timely manner; gather and analyze information skillfully; develop alternative solutions; Critical thinking and creative problem solving

    RIT Solutions, Inc.

    Chesterfield, MO
    2 days ago

  • Software Engineer II

     ...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, MO
    7 hours ago

  • Lead Software Development Engineer

    $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 time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    3 days ago

  • Software Engineer II

    $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 work
    Live in
    Local area

    Primary Talent Partners

    O Fallon, MO
    8 hours ago

  • Software Engineer I

    $72k - $115k

     ...the Shared Services, Fraud Products team developing new capabilities for Mastercard's Decision...  ...cardholder identity. Our patented Java-based platform processes billions of transactions...  ...Java backend systems and knowledge of web UIs is an added advantage. Mastercard... 

    Dynamic Yield

    O Fallon, MO
    5 days ago

  • Lead Software Engineer

    $140k - $231k

     ...microservices responsible for both API and web authentication authorizations. This role...  ...• Build and enhance internal developer platforms using Backstage or similar frameworks...  ...experience in backend development with applicable JAVA technologies (Core JAVA, Spring... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Dynamic Yield

    O Fallon, MO
    5 days ago

  • Full Stack Java Developer

     ...Description Insight Global is looking to add a Full Stack Java Developer to our client's team in the St. Louis, MO area. This person will...  ...new development and enhancements. Their work will consist of Web and REST API development and using Camunda to deploy workflows... 
    Remote work

    Insight Global

    Maryland Heights, MO
    4 days ago

  • Software DEVELOPER

    $60k - $135k

     ...Job Title: Software DEVELOPER City: O Fallon State/Province: Missouri Posting Start Date: 8/7/26 Wipro...  ...Job Description We are seeking a highly skilled Java Full Stack Developer with strong experience in building enterprise... 
    Minimum wage
    Local area

    Wipro

    O Fallon, MO
    2 days ago

  • Lead Site Reliability Engineer

    $122k - $207k

     ...a candidate with a bachelors degree in computer science or a closely related discipline. We need strong hands-on experience with Java, Spring Framework, Python, or Go. We value solid DevOps and configuration management expertise. We require experience working... 
    Full time

    Mastercard

    O Fallon, MO
    6 days ago

  • Java Developer

     ...Software Developer Designs, develops, modifies, enhances and implements software systems...  ...of development tools like Eclipse IDE for Java EE Developers, GitHub, Jira, Jenkins, shell...  ...problems for production applications and web services supported by the team in... 

    Software Technology Inc

    Maryland Heights, MO
    5 days ago

  • Lead Service Management Engineer

    $122k - $207k

     ...challenges, integrating diverse sources, and operating pipelines in production. Big Data & Cloud Expertise: Strong skills in Python and/or Java/Scala. Deep experience with Spark, Hadoop, Hive/Impala, and Airflow. Hands‑on work with AWS, Azure, or GCP using cloud‑native... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    18 days ago