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- ...We're looking for talented software development engineers to develop advanced technologies and applications that are revolutionizing... ...in Computer Science or related field Strong foundation in algorithms, data structures and core computer science concepts. Evidence...SuggestedWork experience placementFlexible hours
Samprasoft
O Fallon, MO3 days ago - ...Java Developer Location: O’Fallon, MO – Day 1 Onsite – No Remote Duration: Long Term Passport copy mandatory to submit the profile... ...application development. • Comfortable enough in handling algorithms, data structures, Data collections and system design problems...SuggestedRemote work
Argyle Infotech
O Fallon, MO2 days ago - ...Java Developer Location: O’Fallon, MO (Onsite from day 1) Interview Process: 3 rounds will be Zoom Duration: 12+ Months Job... ...engineering skills in modular design, data structures, algorithms. Deep knowledge and hands on experience with modern applications...SuggestedWork experience placement
Argyle Infotech
O Fallon, MO2 days ago $140k - $231k
...practices across teams • Apply deep knowledge of data structures, algorithms, and distributed system design to solve complex performance... ...design, and maintainability • Build and enhance internal developer platforms using Backstage or similar frameworks, leveraging plugin...SuggestedFull timePart timeWorldwideFlexible hoursDynamic Yield
O Fallon, MO2 days ago- ...work effectively in a team environment. Strong foundation in algorithms, data structures, and core computer science concepts.... ...object-oriented development and design patterns. Full stack developer with ability to write secure code in backend and frontend programming...Suggested
Vets Hired
O Fallon, MO3 days ago $92k - $147k
...customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing... ...team environment. All About You Strong foundation in algorithms, data structures, and core computer science concepts....SuggestedWorldwideDynamic Yield
O Fallon, MO2 days ago$122k - $207k
...experience. Deep expertise in distributed systems, reliability engineering, and production operations. Strong foundation in algorithms, data structures, system design, and automation. Advanced troubleshooting skills across the full technology stack. Proven...SuggestedFull timePart timeWorldwideFlexible hoursShift workMasterCard
O Fallon, MO10 hours ago- ...Mid Software Developer – O’Fallon, IL Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence...SuggestedWork at officeWork from homeHome office
Chenega Agile Real Time Solutions, LLC
O Fallon, MO1 day ago - ...and operational readiness Establish and enforce engineering best practices, including efficient use of data structures and algorithms for scalable and optimized solutions Ensure systems are designed with performance, scalability, and reliability as core...Suggested
Dynamic Yield
O Fallon, MO2 days ago $140k - $231k
...Fallon, MO, requiring three days per week onsite. Role: • Design, develop, and maintain software solutions using C/C++ for high-... ...collaborative development environment. • Solid understanding of algorithms, data structures, operating systems, and distributed systems concepts...SuggestedFull timePart timeWorldwideFlexible hours3 days per week- ...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,...SuggestedFull time
Veracity
O Fallon, MO10 hours ago - ...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, MO4 days ago $96k - $163k
...The DevFlow team in the Mastercard Software Builders Experience program is leading the DevOps transformation at Mastercard by developing automation tooling and driving standards throughout the development, quality, release, and product organizations. Our team members...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO10 hours ago- ...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...Suggested
Samprasoft
O Fallon, MO3 days ago - ...Skills and Experience 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...SuggestedHourly payH1bWork at officeRelocation3 days per week
Veracity
O Fallon, MO4 days ago $132k - $212k
...Independently design, build, test, deploy, and maintain high‑quality software components and services. • Apply advanced data structures and algorithms to solve complex problems efficiently and optimize system behavior. • Lead and actively participate in code reviews, ensuring...Full timePart timeWorldwideFlexible hours$93.12k - $125.71k
...Senior Software Engineer provides technical and analytical work to develop, design, and/or support software solutions across multiple U.S... ...principles and core concepts (e.g., data structures, algorithms, computer architecture, operating systems, and databases) to create...Full timeContract workLocal areaLeonardo DRS
Bridgeton, MO3 days ago$73.5 - $105 per hour
...Engineer (Golang, Cloud, Kubernetes). Do you have experience developing large-scale data APIs using RESTful architecture and deploying... ...products. Mentor other engineers on data engineering best practices, algorithms, and modern technology stacks. Lead technical initiatives,...Hourly payWork at officeLocal area3 days per weekTechnology Partners
Maryland Heights, MO4 days ago- ...Under a new CEO, *** is committed to a transformative journey with 'Scale @ Speed' as our guiding principle. Title- Full Stack Developer Location- St. Louis, MO Mode of Interview- (L1 -Video and L2/Final- face to face) Roles and Responsibilities: Hands-on...
Yantran LLC
O Fallon, MO21 hours ago - ...Sr. Java Developer Key Skills and Experience: 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...
Damco
O Fallon, MO2 days ago - ...with teams across the organization to mitigate risk and resolve dependencies. All About You Successfully designed and developed externally facing web applications utilizing modern single page application frameworks. Good understanding of JavaScript and its...Local area
Samprasoft
O Fallon, MO3 days ago - ...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?...Work experience placement
Maintec Technologies
O Fallon, MO22 hours ago - 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...For contractorsH1bWork at officeLocal area
Samprasoft
O Fallon, MO3 days ago $115k - $184k
...intelligent decision management capabilities worldwide. A Senior Software Engineer is an experienced individual contributor who designs, develops, tests, and maintains complex software solutions while serving as a technical leader and mentor within their team. This role...Full timePart timeWork experience placementWorldwideFlexible hoursMastercard
O Fallon, MO2 hours agonew- ...development with deep experience in Java, microservices, and cloud-native technologies. This is a highly technical role ideal for senior developers or leads passionate about solving complex problems in a fast-paced environment. Key Responsibilities: Design, develop, and...Full timeLocal area
Veracity
O Fallon, MO1 day ago - ...relocate to St Louis in 2-3 months. The Consumer Authentication Solutions program is part of Identity Solutions. Our mission is to develop identity verification and fraud prevention services to protect the integrity of the digital payment channels, provide a...Relocation
Samprasoft
O Fallon, MO3 days ago - ...Job ID : 92557-1 Job Title : Java Developer Location : Ofallon, MO Duration : 6 months + possible extension Rate Range: $35 - $45/hour on W2/ C2C (All inclusive) Introduction We are seeking a highly skilled Senior Software Engineer with expertise in...Work experience placementInternshipImmediate start
Artech
O Fallon, MO4 days ago - 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...
Samprasoft
O Fallon, MO3 days ago - ...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...
Zortech Solutions
O Fallon, MO2 days ago $99k - $225k
Job Number: R0241538 Agentic AI Developer Opportunity As an experienced engineer, you know that machine learning is critical to understanding... ...of mission‑critical solutions by applying best‑fit ML algorithms and technologies and through the development, deployment, and...Local area
