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  • Full Stack Java Developer

     ...Title: Full Stack Java Developer Location: Ofallon, MO 63368 Type: Contract Duration: Long Term Project...  ...designing & Developing REST APIs and web services using Java, Spring Boot, and other emerging technologies. Fluent in Java,... 
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    Contract work

    NR Consulting

    O Fallon, MO
    3 days ago

  • Full Stack Java Developer

     ...Scope: Seeks a Senior Software Developer who will be a crucial part of our software...  ...Responsibilities: ~ Proficient in Java programming language. ~8 + years of...  ...Developing REST APIs and web services using Java, Spring Boot, and other emerging technologies.... 
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    Procyon TS

    O Fallon, MO
    12 hours ago

  • Java Developer - DB

     ...journey with 'Scale @ Speed' as our guiding principle. Title: Java Developer - Databricks consultants Location: Ofallon, MO Roles and...  ...6 to 8 years of experience. Proficiency with Java, Spring Boot, Microservices Experience with a UI framework such as... 
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    Yantran LLC

    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?... 
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    Work experience placement

    Maintec Technologies

    O Fallon, MO
    4 days ago

  • Java Developer

    $60k - $135k

     ...Job Title: Java Developer City: O Fallon State/Province: Missouri Posting Start Date: 4/20/26 Wipro Limited...  ...(HTML/CSS/JavaScript/React or Angular/ Rest API) & Backend (Spring boot, Hibernate, Microservices) i.e Full Stack development.... 
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    Minimum wage
    Local area

    Wipro

    O Fallon, MO
    4 days ago

  • Java Developer (Backend) - US

     ...Role: Java Developer (Backend) Location: O' Fallon, MO (Onsite from day 1) Duration: 6-12+ Months Job Description...  ...knowledge and hands on experience with modern applications like spring boot, Angular. • Experience building and operating critical... 
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    Work experience placement

    Zortech Solutions

    O Fallon, MO
    4 days ago

  • Java Backend Developer

     ...Job Title: Java Backend Developer Location: O'Fallon, MO, USA Years of Experience: 7 to 10 Years Job Summary: We are seeking a skilled...  ...ideal candidate will have extensive experience in Java 8, Spring framework, and Kafka, and will be responsible for designing,... 
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    Yantran LLC

    O Fallon, MO
    12 hours ago

  • Software Engineer 2- (Java/Spring Boot/DevOps)

    $98.18k - $115.5k

     ...Essential Responsibilities: Responsible for designing, developing, testing, operating and maintaining products Takes full stack...  ...Skills/Experience Expert level hands-on experience in Java/J2EE, Spring Boot, Spring Cloud, Hibernate/JPA Expert level hands-on experience... 
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    Temporary work
    Work experience placement
    Local area
    3 days per week

    U.S. Bank

    Earth City, MO
    20 hours ago

  • Java Developer

     ...~ Key Skills and Experience: (8+yrs) ~ 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 reviews... 
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    Exaways Corporation

    O Fallon, MO
    12 hours ago

  • Lead Software Engineer - QE

    $140k - $231k

     ...You will collaborate closely with Quality Engineers, Developers, Operations, DevOps, Product Management, and Program Management...  ...test automation and quality engineering. Strong Java coding skills; hands-on with Spring, JUnit, Rest Assured, Appium. Expertise with... 
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    Full time
    Part time
    Immediate start
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    1 day ago

  • Lead Software Engineer

    $140k - $231k

     ...Intelligence & Decision Processing Engineering team developing new capabilities for MasterCard's...  ...cardholder identity. Our patented Java-based platform processes billions of transactions...  ...Technical experience using Java/J2EE • Spring Framework (including Spring Boot) •... 
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    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    1 day ago

  • Senior Java API Engineer

    $60 - $80 per hour

     ...Job Description: As a Senior Java API Engineer, you will support the analysis, design...  ...Responsibilities: Analyze, design, develop, and deliver robust API-based software...  ...environments. Strong experience with: Java, Spring and Spring Boot, REST and JSON, Web... 
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    Hourly pay

    cyberThink

    O Fallon, MO
    2 days ago

  • Senior Java Developer : Mastercard

     ...works to improve experience and metrics in ownership area Develop complete understanding of end-to-end technical architecture and...  ...Has ability to write secure code in multiple languages (e.g., Java, JavaScript) and familiar with secure coding standards (e.g., OWASP... 
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    ShiftCode Analytics

    O Fallon, MO
    4 days ago

  • Java Backend Developer

     ...Key responsibilities: • Design and develop the applications using Agile Methodology and followed TDD and Scrum. • Java Programming, documents and maintains web service applications...  ...experience as a strong Java developer (Spring, Spring Boot, Maven) • Microservices... 
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    Rootshell Enterprise Technologies

    Maryland Heights, MO
    12 hours ago

  • Junior Java Developer: Mastercard

     ...day-1 ( Need only local candidates ) Visa : USC, GC, GC EAD, H4, L2 Description: We are looking for more junior java developers that have experience with testing that are looking to get into testing. Biggest thing will be confidence with reading code and... 
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    Local area

    ShiftCode Analytics

    O Fallon, MO
    4 days ago

  • Lead Java Architect

    We are looking for a seasoned Lead Java Architect to lead the migration of legacy TIBCO-based applications to a modern, scalable Spring Boot microservices architecture. This role demands deep technical expertise in Java and Spring Boot, strong leadership capabilities,... 

    Compunnel, Inc.

    Maryland Heights, MO
    1 day ago

  • Vice President, Software Engineering - DMP

    $212k - $339k

     ...observability, and incident management. • Build, lead, and develop a high-performing organization of engineering...  ...Strong hands-on knowledge of technologies such as Java, REST APIs, Kafka, messaging systems (MQ), Spring, CI/CD pipelines (e.g., Jenkins), and cloud... 
    Full time
    Part time
    Worldwide
    Flexible hours
    3 days per week

    Mastercard

    O Fallon, MO
    1 day ago

  • Principal Software Engineer

    $170k - $281k

     ...excellence across highly scalable, secure platforms built on Java, Spring, AWS/PCF cloud native architectures, along with usage of AI with...  ...work closely with senior leaders and engineering teams to develop solutions aligned with the AI & DPE technology roadmap. The ideal... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    1 day 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

  • Senior Salesforce Engineer- Financial Services Cloud

    $88k - $130k

    Position Title: Senior Salesforce Engineer- Financial Services Cloud Locations: Weldon Spring_MO Time Type: Full time Req ID: JR1200-Weldon Spring_MO At Midland, we’re proud to be a little different. You can see it in our bright orange signs-but there’s more to it than... 
    Full time
    Contract work
    Temporary work
    Work at office
    Flexible hours

    Midland States Bank

    Cottleville, MO
    23 hours ago

  • Java Backend Developer

     ...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 scalable solutions.... 
    Full time

    Jobs for Humanity

    O Fallon, MO
    2 days ago

  • Lead Product Management -Technical

    $130k - $221k

     ...with the programs supporting those market-facing products to develop a shared roadmap and corresponding backlog written in development...  ...training. Proficient with data-intensive applications (APIs, Java, Spring, Containers, Microservices, Eventing) • Organized. Able to... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    1 day ago

  • Java/Python Software Developer

     ...Java/Python Software Developer Chesterfield, MO Type: Contract-to-Hire Category: Development Industry: Insurance Reference ID: JN -042026-106213 Date Posted: 03/31/2026 Shortcut: Description Recommended Jobs Description: Hybrid 2-... 
    Hourly pay
    Contract work
    Work at office
    Local area
    2 days per week
    3 days per week

    Eliassen Group

    Chesterfield, MO
    4 days ago

  • Software Engineer II

    $92k - $147k

     ...of software solutions under guidance from senior engineers • Develop and maintain application code in accordance with established engineering...  ...• Experience with one or more programming languages (Java is a must) • Familiarity with Agile development practices, testing... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    1 day ago

  • Software Engineer II

    $92k - $147k

     ...Mastercard’s Decision Management Platform team is seeking a Software Developer II to design, develop, and deliver scalable, secure, and high-...  ..., or development. • Strong hands-on experience in Java (Java 17 preferred) for developing scalable and high-performance... 
    Full time
    Part time
    Worldwide
    Flexible hours
    3 days per week

    Mastercard

    O Fallon, MO
    1 day ago

  • Lead SDET Engineer

     ...with Master or 8+ years with Bachelors of hand on experience in software development in test automation, concurrent coding skills in Java. Lead SDET Engineer requires: Test automation experience using open source technologies and/or in-house frameworks -- MUST... 

    Global Channel Management

    O Fallon, MO
    4 days ago

  • Software Test Engineer - Payments

     ...development to join our dynamic team. The ideal candidate will have extensive experience in Java 8, Spring framework, and Kafka, and will be responsible for designing, developing, and maintaining robust backend systems that support our innovative payment solutions.... 
    Immediate start

    Yantran LLC

    O Fallon, MO
    12 hours ago

  • Senior Software Engineer (IBM ODM)

    $115k - $184k

     ...strategies to identify and provide solutions for customers • Develop and implement rule changes in an agile environment • Validate...  ...in object-oriented architecture, design, and development. Direct Java experience preferred. Experience with multiple OO languages and... 
    Full time
    Part time
    Work experience placement
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    1 day ago

  • Java Developer - Azure Integrations & SDLC Design

    $90.4k

    A technology solutions company is seeking candidates for a software development role based in Chesterfield, Missouri. The responsibilities include gathering user requirements, implementing design phases of the software development life cycle, and providing production support...

    Vitesse Group

    Chesterfield, MO
    2 days ago

  • Senior Cloud & Java Architect - Wireless Provisioning

     ...solutions provider is seeking a Senior Cloud Solution Architect / Java Technical Architect in Maryland Heights, MO. The role involves...  ...expertise in Java and cloud architecture, and a proven ability to develop architectural roadmaps. This position offers a competitive... 
    Hourly pay

    Robotics Prcocess Automation, LLC

    Maryland Heights, MO
    2 days ago