Average salary: $62,896 /yearly
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$112k - $187k
...run our products by fostering developer run ownership and empowering developers... ...application build phase in software run principals that includes... ...solving and optimizing time to recover. o Automate data... ...benefits for full time (and certain part time) employees generally...Part timeFull timeWorldwideFlexible hoursShift workMasterCard
O Fallon, MO2 days ago$92k - $147k
...greatest potential. Title and Summary Software Engineer II - iOS Developer Software Engineer II: Who is... ...to address the requirement on time. • Assist defining processes and choice... ...benefits for full time (and certain part time) employees generally include: insurance...Part timeFull timeWorldwideFlexible hoursMasterCard
O Fallon, MO1 day ago$200k - $320k
...Title and Summary Sr Principal Software Engineer Overview: Architecture... ...practices in other Mastercard teams, or co-developed by A&T and engineers from the Guild.... ...engineers. You will spend a portion of your time coding as part of some of these internal activities...Part timeFull timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago$72k - $115k
...potential. Title and Summary Software Engineer I (Java/Fullstack)... ...software engineers to develop advanced technologies and applications... .... Contribute to all parts of the software's development... ...Mastercard benefits for full time (and certain part time) employees...Part timeFull timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago$115k - $184k
...Title and Summary Senior Software Engineer - Cloud Platforms Overview... ...and velocity even as part of Mastercard. Priceless... ...and streamline processes. Develop and maintain APIs for SaaS integrations... ...Mastercard benefits for full time (and certain part time)...Part timeFull timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago$138k - $221k
...Collaborate with data scientists and software engineers to integrate security best practices... ...in the evaluation of AI systems being developed and implemented. Compliance and... .... Mastercard benefits for full time (and certain part time) employees generally include: insurance...Part timeFull timeFlexible hoursMasterCard
O Fallon, MO1 day ago$138k - $221k
...opportunity for you to design and develop the next wave of data... ...scientists, data analysts, and software engineers, to help drive data-... ...tasks and deliver the results in timely manner. All About You Architect... ...for full time (and certain part time) employees generally...Part timeFull timeWorldwideFlexible hoursMissouri Staffing
O Fallon, MO2 days ago$115k - $184k
...Senior Software Engineer Mastercard powers economies and empowers people in 200+... ...hear from you. Role Hands-on developer who writes high quality, secure code that... .... Mastercard benefits for full time (and certain part time) employees generally include: insurance...Part timeFull timeWorldwideFlexible hoursMissouri Staffing
O Fallon, MO4 days ago$115k - $184k
...Title and Summary Senior Software Engineer (Testing Focus) Overview... ...The Payment Resiliency team develops new products for Mastercard's... ...transactions per month with execution times literally 10X faster than you... ...for full time (and certain part time) employees generally...Part timeFull timeWorldwideFlexible hoursMasterCard
O Fallon, MO17 hours ago$115k - $184k
...Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET) Our Purpose... ...identify automation opportunities. Design, develop, and implement RPA solutions using... ...the role. Mastercard benefits for full time (and certain part time) employees generally include:...Part timeFull timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago- ...optimization. # Microservices and REST API Proficiency: Skilled in developing web services, particularly microservices architectures, and... ...to work within cloud environments effectively. # Modern Software Design Principles: Deep understanding of design principles...SuggestedLocal area
Damco Solutions
O Fallon, MO2 days ago $100k - $105k
...We are seeking a senior-level Java Software Engineer with strong technical expertise to... ...3804476 Responsibilities Design and develop Java-based microservices architecture... ...Matched 401(k) Retirement Savings Plan Paid Time Off Legal Plan and Identity Theft Protection...SuggestedTemporary workFlexible hoursEPAM Systems Inc
O Fallon, MO4 days ago- ...Fallon, Missouri or NYC, NY) Type: Full-Time Employee (FTE) Openings: 5 urgent... ...highly technical role ideal for senior developers or leads passionate about solving complex... ...Zookeeper , and Splunk . Apply software engineering principles such as SOLID ,...SuggestedFull timeLocal area
Veracity
O Fallon, MO5 days ago $138k - $221k
...Title and Summary Manager, Software Engineering Overview... ...with business/product owners to develop and deliver on new services to... ...risk Provide and facilitate timely feedback, coaching in the moment... ...benefits for full time (and certain part time) employees generally...Part timeFull timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago- Lead Full Stack Engineer Job Location: O'Fallon, MO (Hybrid onsite 3 days/week) Job Travel Location(s): Must be able to travel to office as needed Positions: 1 Employment Type: C2H Duration: Long Term Key Technology: Java, Full Stack, SQL Job Responsibilities: Lead...SuggestedWork at office3 days per week
Veracity
O Fallon, MO2 days ago - ...digital technologies, touchpoints, and most importantly people. It's time to reimagine, reinvent, and revolutionize business models... ...Customers (including Fortune 500 companies) in 90 Countries. We're part of the esteemed Mahindra group, headquartered in India. Under a new...
Yantran LLC
O Fallon, MO5 days ago $85.15k - $153.93k
...Job Description Description The Leidos FS2 Aero team has an opening for an experienced Full Stack Software Developer r to modify existing code and integrate software solutions for the Aeronautical Navigation Office. The ideal candidate has an excellent understanding...Work at officeLeidos
Saint Charles, MO8 days ago- ...program and improve authorization transaction time. Authorization sends billions of... ...and tune each release. We are looking for software engineers that are passionate about creating... ...and apply it to your team? Have you developed software before - preferably in Java or C...H1bLocal areaWorldwide
ShiftCode Analytics
O Fallon, MO5 days ago - ...analysis, design, development and delivery of software solutions Defines requirements for... ...and metrics in ownership area Develop complete understanding of end-to-end technical... ...code quality and anti-patterns as part of development activity Has skills to...Contract workLocal area
ShiftCode Analytics
O Fallon, MO5 days ago - ...We are looking for more junior java developers that have experience with testing that are... ...blockers to ensure all testing is completed on time Work with the QA team to move tests... ...testing. Expert in full stack software development test approaches & frameworks...Local area
ShiftCode Analytics
O Fallon, MO5 days ago - ...Bachelors or Masters in CS or related degrees. Minimum of 6+ years with Master or 8+ years with Bachelors of hand on experience in software development in test automation, concurrent coding skills in Java. Test automation experience using open source technologies and/or...
Staffing the Universe
O Fallon, MO2 days ago - ...Summary Seeking an experienced full stack Software Engineer with proficiency in Java and... ...migration/integration.This is a full time employee position located in west county... ...of the application environment. Will also develop Angular on the front end. Any ERP experience...Full timeLocal areaRemote workRelocation
Timeless Technology Solutions
Dardenne Prairie, MO1 day ago - ...Job Title: Senior Software Engineer Overview: Job Overview Responsible for the... ...standards, processes and best practices. Develop, customize, and test applications to integrate... ...effectiveness, high quality and faster time to market. Accountable for full...Work experience placement
MasterCard
O Fallon, MO5 days ago - Senior Azure Platform Engineer 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 ...
MasterCard
O Fallon, MO1 day ago - ...Software Engineer II Location: O'Fallon, Missouri (Main Campus) --- Local Candidates Only!! Duration: End of 2025 Glider: Software Engineer II - (Apache Spark, Airflow, Databricks, AWS, CICD and Coding(Java/Python/Scala); What are your top 3 required technical skills...Local area
RIT Solutions
O Fallon, MO3 days ago - ...Software Engineer I, Launch Program 2026 Mastercard works to connect and power a sustainable... ...employee has an opportunity to be a part of something bigger and to change lives.... ...looking for talented software engineers to develop advanced technologies and applications that...Work experience placementInternship
MasterCard
O Fallon, MO1 day ago - ...Software Engineer I Location: O'Fallon, MO (Local is Preference) Linux operating and scripting Python with API automation- scripting automation for day to day task Cryptography- how the cert works, and managing it Python or Java- understanding how they run...Local area
RIT Solutions
O Fallon, MO3 days ago - ...Senior Software Engineer O'Fallon, Missouri contract Rate: DOE U.S. Citizens and those authorized to work in the U.S. are encouraged... ...Java, Spring, and Spring Boot Required. Everything is developed in that Rest API knowledge is a plus Very Mu......Contract work
Staffing the Universe
O Fallon, MO5 days ago - ...Senior Software Engineer (iOS Developer) Location: St Louis, Missouri Duration: 12 months Glider: Software Engineer ADVANCED What are your top 3 required technical skills? Advanced level knowledge of native iOS development (Swift/Objective-C/Swift UI)...
RIT Solutions
O Fallon, MO2 days ago - Senior Software Dev Engineers O'Fallon MO (remote FOR NOW but will need to eventually be onsite) We can consider fully remote for a very strong candidate Looking for 2 Senior Software Dev Engineers This is part ofRemote work
Samprasoft
O Fallon, MO4 days ago
