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  • 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...  ..., development, troubleshooting, and debugging of software programs for enhancements and new software‑intensive systems and... 
    Suggested
    Work at office
    Work from home
    Home office

    Chenega MIOS SBU

    O Fallon, MO
    1 day 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-...  ...technical requirements for authentication certification programs All About You: The ideal candidate would have the following... 
    Suggested

    Samprasoft

    O Fallon, MO
    1 day ago

  • Senior Java Developer

     ...Role: - Senior Java Developer Location: - O'Fallon, MO Duration: - Long term Required Skills - Agile, API, Cloud...  ...Key Technology Areas • Object-oriented design and programming • Java, J2EE, Java Messaging Service • Open source frameworks... 
    Suggested
    Work experience placement

    Maintec Technologies

    O Fallon, MO
    5 days ago

  • Senior JAVA Engineer

     ...BS in CS 10+ yrs. experience Experience in object-oriented programming and concepts. Experienced in Java backend application development...  ..., data collections and system design problems Expected to develop new APIs and host new end points. Experienced in... 
    Suggested

    Argyle Infotech

    O Fallon, MO
    8 hours ago

  • Lead Software Engineer

     ...: Overview: As part of an exciting, fast paced environment developing digital identity and security solutions in the mobile and e-commerce...  ...technical requirements for authentication certification programs All About You The ideal candidate would have the following... 
    Suggested

    Omega Solutions Inc

    O Fallon, MO
    8 hours ago

  • Software Engineering Lead

     ...support and testing activities. Assists with tool configuration and reporting. Software development support: configure/operate/maintain program support tools; assist software license management; analyze help desk tickets; support ad hoc reporting; research HW/SW solutions;... 
    Suggested
    Temporary work
    For contractors
    Flexible hours

    Amyx

    O Fallon, MO
    1 day ago

  • Software Engineer II

    $92k - $147k

     ...greatest potential. Overview The Mastercard Authentication Program owns how consumer authentication works across both in-store and...  ...lifecycle. Role In this role, you will: Design, develop, and own Java-based backend services and REST APIs in a distributed... 
    Suggested
    Worldwide

    Dynamic Yield

    O Fallon, MO
    8 hours ago

  • Software Engineer ||

    $92k - $147k

     ...customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing...  ...developer with ability to write secure code in backend & frontend programming languages (Java, JavaScript, Angular, SQL) and familiar with... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    4 days ago

  • Software Engineer II

     ...Software Engineer II Location: OFallon, MO Program Overview: Sustainability and Innovations Program aims to develop Mastercard sustainability solutions and innovative products for Consumer solutions. S&I program team is looking for a high-energy, detail-oriented... 
    Suggested
    Local area

    Samprasoft

    O Fallon, MO
    2 days ago

  • Senior Software Engineer

     ...standards, automation and tools All About You Full stack engineering experience in a production environment Expert programming skills in Java/JEE Proficiency in Software Development Best Practices (ATDD/BDD, Unit tests) Experience with modern web, Java... 
    Suggested
    Work experience placement
    Internship
    Local area

    Diverse Lynx

    O Fallon, MO
    3 days ago

  • Senior Software Engineer

    $115k - $184k

     ...and operational excellence. Key Responsibilities • Design, develop, and maintain high-quality software components, automation...  ...software engineers, architects, DevOps engineers, product owners, and program teams to understand requirements and deliver business-aligned... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    4 days ago

  • Software Engineer II

    $92k - $147k

     ...possibilities for all. Overview The Decision Management Program (DMP) delivers industry‑leading intelligence that enables faster...  ...of software solutions under guidance from senior engineers • Develop and maintain application code in accordance with established engineering... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    3 days ago

  • Java Lead

     ...Java 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... 
    Suggested

    ClifyX

    O Fallon, MO
    2 days ago

  • Lead Java Developer

     ...mentorship. Any experience with mentoring or guiding junior developers would be great Strong Java and Spring Boot experience...  ...Establish technical requirements for authentication certification programs Required Skills The ideal candidate would have the following... 
    Suggested
    Contract work
    Remote work
    Relocation
    Flexible hours
    2 days per week

    Samprasoft

    O Fallon, MO
    2 days ago

  • Mid-Level Software Engineer

    $87.1k - $157.45k

     ...Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical national security missions while... 
    Suggested
    Contract work
    Local area
    Immediate start

    Leidos

    Fenton, MO
    5 days ago

  • Mid-Level SQL Engineer

    $87.1k - $157.45k

     ...stakeholders depend on every day. You’ll work closely with dashboard developers and application teams to provide clean, consistent, and easy‑...  ...: Partner with engineering teams and key stakeholders across programs Career Growth: Expand your expertise in large-scale data... 
    Local area
    Immediate start

    Leidos

    Valley Park, MO
    2 days ago

  • Cloud Solutions Engineer

     ...approaches, automation opportunities, and cost optimization pathways Develop high-level architecture diagrams, technical proposals, and...  ...Resource Groups, and tuition reimbursement Retirement programs including Matching 401(k) Contributions and Profit Sharing Employer... 
    Temporary work
    Work at office
    Worldwide

    Mitek Inc

    Chesterfield, MO
    4 days ago

  • Manager, Software Engineering

    $140k - $231k

     ...practices, including DevOps, CI/CD, Observability and agile methodologies. • Identify and mitigate technical and delivery risks across programs and initiatives. People Leadership & Coaching • Build, mentor, and retain high-performing engineering teams through career... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    4 days ago

  • Vice President, Software Engineering - DMP

    $212k - $339k

     ...Authorization Decisioning domain within the Decision Management program. This role is accountable for advancing a portfolio of market-...  ..., observability, and incident management. • Build, lead, and develop a high-performing organization of engineering managers and senior... 
    Full time
    Part time
    Worldwide
    Flexible hours
    3 days per week

    MasterCard

    O Fallon, MO
    4 days ago

  • Manager Software Engineering

    $140k - $231k

     ...across the software development lifecycle while coaching and developing engineers, influencing technical direction, and partnering with...  ...individuals are empowered to contribute, learn, and succeed. Program & Execution Leadership • Manage multiple initiatives... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    8 hours 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...  ...detection, diagnosis, and continuous service improvement. • Programming and Scripting - Ability to write and maintain code and scripts... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    4 days ago

  • Manager Software engineering

    $140k - $231k

     ...Product bundles Work with business/product owners/BizOps to develop and deliver on new services to introduce new products and bundles...  ...Proactively share and seek knowledge within their Guild/Program to drive reuse of patterns/libraries/practices and enhance productivity... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Dynamic Yield

    O Fallon, MO
    1 day ago

  • Manager, Software Engineering

    $140k - $231k

     ...practices, including DevOps, CI/CD, Observability and agile methodologies. • Identify and mitigate technical and delivery risks across programs and initiatives. People Leadership & Coaching • Build, mentor, and retain high-performing engineering teams through career... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    3 hours ago

  • SRE ENGINEER

    $60k - $135k

     ...observability, performance testing, and scaling of distributed systems (e.g., Dynatrace, Splunk, JMeter, LoadRunner). • Strong programming experience (preferably Java / Spring Boot) Mandatory Skills: Site Reliability Engineering (SRE). Experience: 5-8 Years... 
    Minimum wage
    Local area

    Wipro

    O Fallon, MO
    3 days ago

  • Java Backend Engineer

     ...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,... 
    Full time

    Veracity

    O Fallon, MO
    4 days ago

  • Backend Python Developer

     ...Backend Python Developer Day 1 relocation-All 5 days onsite at Bridgeton, MO Responsibilities Lead the...  ...software development lifecycle. ~3+ years proven track record programming in Python and using Python-based back-end frameworks... 
    Relocation

    United IT Solutions

    Bridgeton, MO
    5 days ago

  • Senior Software Engineer- RPPS Platform

    $115k - $184k

     ...organization is seeking a Senior Software Engineer to join the RPPS (Remote Payment and Presentment System) platform team. This team develops and supports critical software solutions that enable payment processing capabilities across Mastercard's ecosystem. This role... 
    Full time
    Part time
    Remote work
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    4 days ago

  • Lead DevOps Engineer

     ...Day to day, build solutions using devops technologies to help develop bizops and operations teams. A typical work day will involve...  .... Top 3 required technical skills are: Strong programming background with any one of these languages (Java, C#, or Python... 
    Work at office
    Work from home
    Flexible hours

    Samprasoft

    O Fallon, MO
    2 days ago

  • Lead Full Stack Developer

     ...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
    2 days ago

  • JUnior data analyst/data scientist/Java Microservices developer

    $95k - $154k

     ...Companies? This is Where Your Career Begins If you're a Java developer, software programmer, data scientist, ML/ AI Engineer or a...  ...companies are looking for-and we help you become that candidate. Our programs are designed to close the gap between where you are and where... 
    Full time
    H1b

    SynergisticIT

    University, MO
    2 days ago