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  • Java Backend Engineer

     ...optimization. # Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and REST...  ...to work within cloud environments effectively. # Modern Software Design Principles: Deep understanding of design principles... 
    Suggested
    Full time

    Veracity

    O Fallon, MO
    2 days ago

  • Full Stack Java Developer

     ...Software Development Engineer MasterCard software engineering teams leverage Agile development principles, advanced development and...  .... We're looking for talented software development engineers to develop advanced technologies and applications that are revolutionizing... 
    Suggested
    Work experience placement
    Flexible hours

    Samprasoft

    O Fallon, MO
    23 hours ago

  • Senior Java Backend Developer

     ...Senior Java Backend Developer O'Fallon, Missouri [Onsite] Job Description: ~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... 
    Suggested

    E-Solutions

    O Fallon, MO
    1 day ago

  • Lead Full Stack Engineer

     ...Required: Required: ~12+ years of experience with either some lead experience or multiple senior developer roles. ~ Extensive experience as a full-stack Software Engineer or Software Developer in a fast-paced, collaborative environment. ~ Strong experience... 
    Suggested
    Hourly pay
    H1b
    Work at office
    Relocation
    3 days per week

    Veracity

    O Fallon, MO
    1 day 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...  ...reality! What You Will Be Doing: Responsible for the complete Software Development Lifecycle: analysis, development, testing, and deployment... 
    Suggested

    Technology Partners

    Wildwood, MO
    1 day ago

  • Full Stack Java Developer

     ...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 be supporting...  ...of new development and enhancements. Their work will consist of Web and REST API development and using Camunda to deploy workflows... 
    Suggested
    Remote work

    Insight Global

    Maryland Heights, MO
    3 days 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
    Suggested

    RIT Solutions, Inc.

    Chesterfield, MO
    1 day ago

  • Full Stack JavaScript Developer

     ...Senior Software Engineer Senior software engineer responsible for delivering integrated product solutions & support for actuarial modeling...  ...ability to drive out requirements Analyze requirements, develop technical specifications and perform solution gap analysis via... 
    Suggested
    Contract work
    Local area
    Immediate start

    Samprasoft

    Wildwood, MO
    23 hours ago

  • C++ Developer

     ...C++ Developer – Replacement Location: OFALLON, MO – DAY 1 Onsite (hybrid) Duration: Long Term Number of openings: 1 Roles and Responsibilities: Need someone who can analyze C/C++ code and find performance bottlenecks. Proficient in C/C++ Proficient... 
    Suggested

    Zortech Solutions

    O Fallon, MO
    4 days ago

  • C++ Developer

    Global Credit Card Authorization Team Opportunity This is an exciting opportunity for you to join the global credit card authorization team. The system facilitates billions of transactions among issuers, acquirers, and service providers. We are looking for engineers...
    Suggested

    Samprasoft

    O Fallon, MO
    23 hours ago

  • Mid Software Developer

    $75k

     ...O’Fallon, IL Job Summary Mid Software Developer – Backend Software Developer to modify existing GOTS code and integrate open‑source solutions...  ...integration projects in a service‑oriented environment (Cloud, SOA, Web‑Services) or virtualization environment. Experience with... 
    Suggested
    Work at office
    Work from home
    Home office

    Chenega MIOS SBU

    O Fallon, MO
    4 days ago

  • Python Developer

    Mastercard Python Contractor Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure...
    Suggested
    For contractors
    H1b
    Work at office
    Local area

    Samprasoft

    O Fallon, MO
    23 hours ago

  • Lead Mainframe Developer

     ...Lead Mainframe Developer Location: O'Fallon, MO OnSite Full Time Permanent & Contract Product: Hogan suite (UMB,CIS,CAMS etc.) Must Have Experience in L2 and L3 Maintenance, Support and Compliances COBOL, VSAM, JCL, DB2, Assembler 1. Working experience... 
    Suggested
    Permanent employment
    Full time
    Contract work
    Work experience placement

    Staffing the Universe

    O Fallon, MO
    4 days ago

  • Lead Software Engineer

    $140k - $231k

     ...Lead Software Engineer Mastercard is a global technology company in the payments industry...  ...responsible for both API and web authentication authorizations. This role...  ...maintainability • Build and enhance internal developer platforms using Backstage or similar frameworks... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    Dynamic Yield

    O Fallon, MO
    4 days ago

  • Java Architect

     ...Angular, NiFi, Apache Kafka Drive the architecture and design of software solutions including Technical solution & application...  ...& components, Hibernate, JSP, Node JS or Express JS or similar, Web & Application Server (Server App Design & Technology Skills ), Web... 
    Suggested
    Local area

    Zortech Solutions

    O Fallon, MO
    4 days ago

  • AI Engineer

     ...AI Engineer We are seeking a talented and motivated AI Developer to design, build, and deploy AI-driven solutions that enhance marketing performance, automate workflows, and generate actionable insights. This role will work closely with our marketing, data, and development... 

    APC Integrated

    O Fallon, MO
    2 days ago

  • Applications Engineer

    $87.9k - $115.12k

     ...Position: Applications Engineer Job Description: What You'll Be Doing: Designs and develops software solutions to meet business requirements. Manages full software development life cycle including testing, implementation, and auditing. Performs product design... 
    Hourly pay
    Full time
    Temporary work
    Work experience placement
    Work at office
    Local area
    Remote work
    Monday to Friday

    Arrow ECS

    Earth City, MO
    23 hours ago

  • Application Engineer

     ...with sales representatives and cross-functional teams, this role develops customer-focused equipment solutions, prepares accurate cost...  ...Abilities General computer knowledge with emphasis in the following software applications: AutoCAD, Excel, Word, Outlook. Proficient in... 

    Arizon Companies

    Maryland Heights, MO
    4 days ago

  • Application Engineer

    $145.68k - $178.05k

     ...professionals & end‑users with new setups. Field testing and new product evaluations. Testing & benchmarking the competitive landscape. Developing technical communication and training packages. Creating and enhancing presentations (PowerPoint and other computer skills). Your... 
    H1b
    Relocation
    Flexible hours

    3M

    Maplewood, MO
    4 days ago

  • Java Lead

     ...Lead Role - Java Lead Experience Required - 6+ Years Must Have Technical/Functional Skills Object-oriented Programming Web services & API standards (REST/OAuth/JSON) Programming & Scripting Languages (2 or more of Java, C++, Scala, JS, Python, Shell*)... 

    ClifyX

    O Fallon, MO
    23 hours ago

  • Application Developer II

     ...The Application Developer II is responsible for the development and deployment of technology...  ...design and patterns. Knowledge of Core, Web, and MVC. Knowledge of Micro Services Architecture...  ...Bachelor's degree in computer science or software engineering, or equivalent work... 
    Work experience placement

    Cass Information Systems

    Bridgeton, MO
    3 days ago

  • Senior Site Reliability Engineer

    $96k - $163k

     .... We break down barriers to running our products by fostering developer run ownership and empowering developers to build resilient products...  ...support our developers during the application build phase in software run principles that include operational design, automation,... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    3 days ago

  • Application Software Developer

     ...friends who are looking for new opportunities since we have an excellent referral program. Job Description Position- Application Software Developer Location- Chesterfield, Missouri Duration- Full Time Job Description: Design, build, test and maintain scalable and stable... 
    Full time

    Avance Consulting

    Wildwood, MO
    4 days ago

  • Qlik Sense Application Engineer - Hybrid

    $40 - $80 per hour

     ...Location Preference: Hybrid Job Description: As a Qlik Sense Application Engineer, you will be responsible for developing, administering, and optimizing enterprise data visualization and analytics solutions while supporting large-scale data engineering... 
    Hourly pay
    Contract work

    Smart IMS Inc

    O Fallon, MO
    5 days ago

  • F-15 Mission Systems Software Engineer (Associate, Experienced, & Senior)

    $99.45k - $134.55k

     ...Find your future with us. The Boeing Company is looking for a Software Engineer (Associate, Experienced, & Senior) to join the F-15 Mission...  ...will join one of the multi-discipline Agile scrum teams that develop, integrate, and maintain a wide range of aircraft... 
    Permanent employment
    Work experience placement
    Casual work
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    Boeing

    Berkeley, MO
    4 days ago

  • Missions Systems Software Engineer - Embedded (Associate, Experienced, Senior)

    $99.45k - $134.55k

     ...future with us. The Boeing Company is looking for Missions Systems Software Engineers – Embedded to join the Boeing’s Mission Systems...  ...Hardware in the Loop, and documentation. The software engineers will develop software in a Continuous Integration / Continuous Deployment (... 
    Permanent employment
    Work experience placement
    Interim role
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    Boeing

    Berkeley, MO
    3 days ago

  • Lead Software Development Engineer

    $140k - $231k

     ...of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Software Development Engineer Overview The Lead Software Development Engineer is a technical leader responsible for driving software architecture... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    2 days ago

  • Director, Platform Engineering

     ...solving. This role focuses on analyzing, coding, and delivering software and platform solutions. Operations Automation program supports...  ...automate provisioning across cloud and on prem environments. Develop reusable modules, playbooks, and automation libraries that... 

    Dynamic Yield

    O Fallon, MO
    1 day ago

  • Lead Site Reliability Engineer

     ...healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient...  ...support our developers during the application build phase in software run principals that includes operational design, automation, capacity... 
    Full time
    Part time
    Flexible hours

    Dynamic Yield

    O Fallon, MO
    4 days ago

  • Field Application Engineer

     ...objectives, planning and delivering promotional activities with compelling technical content tailored to target audiences. Lead, develop, and coach the Technical Design and Promotions team, fostering proactive collaboration and maintaining high levels of technical... 
    Hourly pay
    Temporary work
    Monday to Friday
    Shift work

    ABB

    Kirkwood, MO
    8 days ago