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  • Senior Software Engineer

     ...and relationship-building skills, with a solid track record of developing internal and external partnerships.Proficiency with J2EE, Java...  ...Server.Experience with SQL and NoSQL databases such as MySQL, PostgreSQL, and MongoDB.Experience with web services (SOAP/RESTful),... 
    Postgresql
    Work experience placement

    Saxon Global

    O Fallon, MO
    3 days ago

  • Java Agentic AI Engineer

     ...Descriptions: The key responsibilities include designing and developing Agentic AI applications using Java. Candidates will be...  ...applications. - Mandatory Knowledge of SQL with Oracle and PostgreSQL – Mandatory Knowledge of ReST API development and backend automation... 
    Postgresql

    Artech LLC

    O Fallon, MO
    9 days ago

  • Software Engineer II

    $92k - $147k

     ...The Mastercard Operational Intelligence Program is engaged in developing innovative solutions through technology that keeps Mastercard...  ...relational database technologies including Oracle, SQL Server, MySQL, PostgreSQL, NoSQL, MongoDB, or comparable technologies. • Demonstrated... 
    Postgresql
    Full time
    Part time
    Immediate start
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    24 days ago

  • Senior Java Fullstack Engineer

     ...quality standards and best practices. Assists in designing, developing, and delivering software solutions that align with business...  ...Server. Experience with SQL and NoSQL databases such as MySQL, PostgreSQL, and MongoDB. Experience with web services (SOAP/RESTful),... 
    Postgresql
    Work experience placement

    ICONMA, LLC

    O Fallon, MO
    9 days ago

  • Lead Software Engineer

     ...frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The Senior...  ...accelerate development.Experience with relational databases (PostgreSQL, Oracle, etc.), advanced SQL.Preferred Education, Training,... 
    Postgresql

    Planet Pharma

    Hazelwood, MO
    2 days ago

  • Senior Software Engineer

    $115k - $184k

     ...speed and agility as part of a small team. This will involve developing high-performing, highly scalable software solutions and products...  ...skills working with relational SQL database, preferably PostgreSQL and Oracle SQL • Advanced understanding of cloud native architecture... 
    Postgresql
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    a month ago

  • Sr. AI/ML Developer - MSP Owner

     ...We are looking for a skilled AI/ML Developer to join our agentic platform team on a contractual basis. You will design, develop, and...  ...Circuit breaker patterns, retry logic, resilient service design ~ PostgreSQL and async ORMs (SQLAlchemy async / Alembic) ~ Git, CI/CD,... 
    Postgresql
    Contract work

    2T Consulting

    Maryland Heights, MO
    27 days ago

  • Senior .Net Full-Stack Developer

    $63 - $90 per hour

     ...Partners is currently seeking a talented Senior .NET Full-Stack Developer. Do you have experience building large-scale distributed...  ...end technologies: HTML5, CSS3, JavaScript. Strong knowledge of PostgreSQL design (EF Core Code First preferred). Experience with unit and... 
    Postgresql

    Technology Partners

    Chesterfield, MO
    2 days ago

  • Sr. ETL Developer

     ...and technology efficiency.Leads projects and small teams of ETL developers/engineers on complex effortsAssists in troubleshooting complex...  ...using technologies like Snowflake, Oracle, SQL Server, RDS PostgreSQL, ETL/ELT Tools, BI servers, Report development Tools, data event... 
    Postgresql

    Software Technology Inc

    Maryland Heights, MO
    3 days ago

  • Software Engineer SME

    $131.3k - $237.35k

     ..., architects, mission experts, and government stakeholders to develop and deliver secure, scalable, and modern software capabilities...  ...EC2, CloudFormation and RDS Relational Database: MySQL, PostgreSQL, or SQL Server NoSQL Database: OpenSearch/Elasticsearch.... 
    Postgresql
    Contract work
    For contractors
    Local area
    Immediate start

    Leidos

    Maryland Heights, MO
    3 days ago

  • Software Engineer I - Full Stack

    $45k - $60k

     ...looking for a Software Engineer I - Full Stack (Junior Full-Stack Developer) who has a solid foundation in software development and wants...  ...and business logic using Node.js and NestJS. Work with PostgreSQL, Prisma, and Redis. Fix bugs, troubleshoot production... 
    Postgresql
    Full time
    Internship
    Immediate start
    Relocation

    Midtown Home Improvements

    Wentzville, MO
    4 days ago

  • Journeyman Full Stack Developer

    $69.55k - $125.73k

     ...methodologies and workflow Knowledge of the Architectural, SW Development and SW Sustainment Practices Familiar with Vue, NodeJS, PostgreSQL Familiar with Git/GitLab or other source code control tools Familiar with Amazon Web Services (S3 Buckets, EC2, Reserved... 
    Postgresql
    Local area
    Immediate start

    Leidos

    Chesterfield, MO
    1 day ago

  • Software Engineer Sr - Fullstack/Vue

     ...delivering cohesive, production-ready features from database to UI.Develop scalable REST/GraphQL APIs and microservices that integrate with platform technologies such as Apache Solr, MongoDB, PostgreSQL, Oracle, and RabbitMQ deployed on Kubernetes.Build and maintain internal... 
    Postgresql
    Local area
    Shift work
    2 days per week
    3 days per week

    The Timberline Group Company

    Maryland Heights, MO
    4 days ago

  • Lead Site Reliability Engineer

    $198.05k - $267.95k

     ...maturity, and long-term technical direction of mission-critical developer platforms used by Air Dominance engineering teams. This...  ...leadership across GitLab, GitLab CI/CD runners, Jira, Confluence, PostgreSQL, related software delivery tools such as Artifactory and... 
    Postgresql
    Permanent employment
    Work experience placement
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    4 days ago

  • Site Reliability Engineer (Associate, Experienced, or Senior)

    $99.45k - $134.55k

     ...individual to operate, improve, and sustain mission-critical developer platforms used by Air Dominance engineering teams. This role...  ...ownership for GitLab, GitLab CI/CD runners, Jira, Confluence, PostgreSQL, and related software delivery tools such as Artifactory and SonarQube... 
    Postgresql
    Permanent employment
    Work experience placement
    Interim role
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    1 day ago

  • ETL/PowerBI/SSIS/SSRS 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 you enjoy... 
    Work experience placement
    Flexible hours

    Samprasoft

    O Fallon, MO
    3 days ago

  • Developer Co-op

     ...Education Level: Not Specified Job Shift: Day Job Category: Information Technology The IT Department is seeking a motivated Developer Co-Op who will be based out of the O'Fallon, MO office. This position will be part of an agile team working on a project backlog... 
    Full time
    Temporary work
    Work at office
    Remote work
    Monday to Friday
    Shift work

    Priority Dispatch

    O Fallon, MO
    5 days ago

  • Business Intelligence Developer - Qlik

     ...eligible to maintain or obtain Secret Clearance Onsite / Direct Hire Join an exciting and growing team as a Business Intelligence Developer (Qlik) working within the Defense sector. You will be challenged to analyze large sets of data in an effort to advise on strategic... 

    SBS Creatix

    O Fallon, MO
    3 days ago

  • Lead or Principal Engineer (Builders Tools and Enablement)

    Lead Or Principal Engineer (Builders Tools And Enablement) - UsaLocation: O’Fallon, MODuration: Long-termRoles And Responsibilities:Proficiency and hands-on programming skills with Java JDK 8 or higherKnowledge of Tomcat, Spring Boot, Spring Security, Hibernate, REST microservices...

    Zortech Solutions

    O Fallon, MO
    3 days ago

  • Senior Software Engineer Testing

     ...& Postgres databasesAngular experience (nice to have)Ensure code design quality and compliance with enterprise standardsDesign and develop complex applications, integrations, and interfacesDrive performance engineering across enterprise systemsContribute to advanced code... 

    XTag Inc

    O Fallon, MO
    1 day ago

  • Sr. Software Engineer

     ...Sr. Software EngineerWe are seeking a skilled Software Developer with a strong background in Java, Spring Boot, Microservices, and Kafka. The ideal candidate will have a minimum of 5 years of experience in software development, with a proven track record of delivering... 

    Echo IT Solutions

    O Fallon, MO
    3 days ago

  • Java Developer with Agentic AI

     ...Java Developer With Agentic AiLocation: O'Fallon, MO || Hybrid (Only Locals) Visa: H1 Only (Mandatory)We are seeking a highly skilled Senior Java Back-End Engineer with strong AI expertise to design, develop, and deploy scalable backend systems and Agentic AI solutions... 
    Local area

    Argyle Infotech

    O Fallon, MO
    3 days ago

  • Software Engineer, Back End Java Developer

     ...Software EngineerBack end developer. Message/event based architecture experience preferred but not mandatoryRequired Experiences/Skillsets:Strong Java and Spring Framework (Spring Boot, Spring Cloud, Spring Batch, etc)Strong SQL programming experienceStrong knowledge of... 

    Samprasoft

    O Fallon, MO
    3 days ago

  • Java Developer

     ...enterprise-grade Java applications, design patterns, and performance optimization.Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and REST APIs. This indicates a strong understanding of how to build,... 
    Local area

    Futran Tech Solutions Pvt. Ltd.

    O Fallon, MO
    3 days ago

  • Software Developer II

     ...Software Developer IIO Fallon - O Fallon, MO 63366OverviewPosition Type: Regular Full Time Job Shift: Day Education Level: Not Specified Category: Information TechnologyDescriptionThe IT Department is seeking a motivated Software Developer who will be based out of a Missouri... 
    Full time
    Work at office
    Remote work
    Shift work

    True Manufacturing

    O Fallon, MO
    3 days ago

  • TMS Software Developer

    Dev: .NETThis person will be responsible for building and maintaining software features and functionality for an internal.NET application supporting 5k users. The candidate can expect to do full stack development in an Agile environment, daily stand-ups and responsibility...

    Software Technology Inc

    Maryland Heights, MO
    3 days ago

  • Java Backend Developer

     ...Java Backend DeveloperKey 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 scalable solutions.Ensure code quality... 

    Jobs for Humanity

    O Fallon, MO
    3 days ago

  • Full-Stack Developer (Contract)

    $63 - $90 per hour

    Location:Chesterfield, MissouriRemote:RemoteType:ContractJob#46650Technology Partners is currently seeking a talented Full-Stack Developer (Contract). Do you have experience modernizing legacy systems or building election/government software? Let us help you make your next... 
    Contract work

    Technology Partners

    Chesterfield, MO
    2 days ago

  • USA_Developer

    $45.45 - $49.24 per hour

     ...Job Description Job Description Pay Rate Range: $ 45.45 - 49.24/hr. Job Title: C,C Developer Job Description: •Design, develop, and deploy AI-powered products, intelligent agents, and agentic workflows utilizing Large Language Models (LLMs), retrieval systems... 

    Varite

    O Fallon, MO
    4 days ago

  • Senior Software Engineer - Java Full Stack & AI

    $115k - $184k

     ...Engineer - Java Full Stack & AIThe Decision Services Technology team within Mastercard's Business & Market Insights organization develops analytics, reporting, and intelligence solutions that help customers investigate transactions, identify fraud patterns, and make informed... 
    Full time
    Part time
    Flexible hours

    MasterCard

    O Fallon, MO
    3 days ago