Average salary: $109,269 /yearly
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- ...Java Developer Location: O’Fallon, MO (Onsite from day 1) Interview Process: 3 rounds will be Zoom Duration: 12+ Months Job Description: Strong Java developer with very good understanding of micro services. Grasp of software engineering skills in modular...SuggestedWork experience placement
Argyle Infotech
O Fallon, MO22 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...Suggested
Damco
O Fallon, MO21 hours 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?...SuggestedWork experience placement
Maintec Technologies
O Fallon, MO16 hours ago - ...candidate here with LEAD experience. Needs to provide mentorship. Any experience with mentoring or guiding junior developers would be great Strong Java and Spring Boot experience Cloud Deployments- Azure is primary. AWS will be on the roadmap at some point. In...SuggestedContract workRemote workRelocationFlexible hours2 days per week
Samprasoft
O Fallon, MO2 days ago - ...Software Developer Designs, develops, modifies, enhances and implements software systems designed to support new or existing business... ...and require a mastery of development tools like Eclipse IDE for Java EE Developers, GitHub, Jira, Jenkins, shell scripting. Requires...Suggested
Software Technology Inc
Maryland Heights, MO22 hours ago - ...Java Engineer Mastercard Onsite( 5days) Location : O'Fallon, MO Rate- $60/hr on c2c Note: We are specifically... ...academic or training-based exposure. Look for backend developers with strong AWS Background. An ideal candidate for this...Suggested
Futran Tech Solutions Pvt. Ltd.
O Fallon, MO21 hours ago - ...Senior Java Engineer Senior Java Engineer O’Fallon MO – Day 1 Onsite BS in CS 10+ yrs. experience Experience in object-oriented... ..., data collections and system design problems Expected to develop new APIs and host new end points. Experienced in Distributed...Suggested
Argyle Infotech
O Fallon, MO2 days ago $212k - $339k
...SLAs, observability, and incident management. • Build, lead, and develop a high-performing organization of engineering managers and... ...platforms. • Strong hands-on knowledge of technologies such as Java, REST APIs, Kafka, messaging systems (MQ), Spring, CI/CD pipelines...SuggestedFull timePart timeWorldwideFlexible hours3 days per weekMastercard
O Fallon, MO1 hour agonew$75k
...O’Fallon, IL Job Summary Mid Software Developer – Backend Software Developer to modify existing GOTS code and integrate open‑source solutions... ...Lambdas, EC2, and React. Experience implementing JavaScript, Java, and SQL. Background check. Successfully passing background and...SuggestedWork at officeWork from homeHome officeChenega MIOS SBU
O Fallon, MO1 day ago- ...Be part of the Operations & Technology Fraud Products team developing new capabilities for MasterCard's Decision Management Platform,... ...to combat fraud and validate cardholder identity. Our patented Java-based platform processes billions of transactions per month in...SuggestedLocal areaRemote workRelocation
Samprasoft
O Fallon, MO2 days ago - ...contract Required Skills & Qualifications: 10+ years of experience in Java application development and architecture. Strong experience with... ...Analyze existing TIBCO workflows, services, and integrations to develop efficient migration strategies. Establish best practices and...SuggestedContract workRemote work
$140k - $231k
...You - 10+ years of software engineering experience. - 3+ years leading large-scale distributed system initiatives. - Expert-level Java, Spring Boot, REST APIs, microservices architecture, and distributed systems expertise. - Strong software architecture and...SuggestedFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO4 days ago- ...experience and knowledge. Front End/Browser level Performance Testing and Optimization exposure C++, UNIX, Shell Scripting Understanding of Java virtual machine and app servers; JVM GC process and its logs; performance metrics on *nix and Windows. Performance tuning experience...Suggested
Keylent Inc
O Fallon, MO1 day ago - ...'Scale @ Speed' as our guiding principle. Title- Full Stack Developer Location- St. Louis, MO Mode of Interview- (L1 -Video and... ...and systems.\ Hands-on experience in coding Microservices in Java, building UI/UX, frameworks such as React, Angular, spring boot...Suggested
Yantran LLC
O Fallon, MO16 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, MO2 days ago $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 timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago- ...healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient... ...ensuring the reliability, scalability, and performance of our Java, Spring Framework applications, supporting essential services that...Full timePart timeFlexible hours
Dynamic Yield
O Fallon, MO1 day ago - ...adhering to MasterCard standards, processes and best practices. • Develop, customize, and test applications to integrate to MasterCard’s... .../ Experience • Intermediate to Advanced skills in - Core Java, Spring Technologies • Intermediate to Advanced skills in - Oracle...Work experience placement
Samprasoft
O Fallon, MO2 days ago $115k - $184k
...is a senior individual contributor responsible for designing, developing, and supporting highly scalable distributed systems. This role... ...principles. All About You Strong hands-on experience with Java, Spring Boot, Kafka, REST APIs, JPA, and distributed systems....WorldwideDynamic Yield
O Fallon, MO4 days ago- ...rewrite of current MDES Platform moving towards Cloud Transformation. What are your top 3 required technical skills? Manage and develop system integration and functional testing strategies and subsequent supporting tests plans and cases. Develop, manage and...
My3Tech Inc
O Fallon, MO22 hours ago - Amyx is seeking a Software Engineering Lead to join our Dept. of Defense client at Scott Air Force Base in O'Fallon, IL. Responsibilities This position requires the ability to support software development and Agile delivery activities. Supports Agile ceremonies, backlog...Temporary workFor contractorsFlexible hours
Amyx
O Fallon, MO1 day ago $60k - $135k
...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. The expected...Minimum wageLocal areaWipro
O Fallon, MO3 days ago$99k - $225k
Job Number: R0241538 Agentic AI Developer Opportunity As an experienced engineer, you know that machine learning is critical to understanding... ...LLMs) Experience with programming languages such as Python or Java Experience with software design patterns Knowledge of...Local area- ...provide guidance/consultation/testing with respect to engineering Java software for performance to product delivery teams and aligning... ...They will provide guidance and testing services to architects, developers, operations personnel, network personnel, etc. with respect to...
Samprasoft
O Fallon, MO2 days ago - .... Day to day, build solutions using devops technologies to help develop bizops and operations teams. A typical work day will involve... ...Strong programming background with any one of these languages (Java, C#, or Python) CI/CD (Using Jenkins or Ansible) Infra as...Work at officeWork from homeFlexible hours
Samprasoft
O Fallon, MO2 days ago - ...product vision and strategy Translate roadmap into user stories Developer – JBoss Migration – Full‑time We are seeking a developer to... ...assist on the migration of our JBoss applications to either a newer Java platform. Perform code reviews and refactor existing...Full time
Focused HR Solutions LLC
Brentwood, MO1 day ago $87.1k - $157.45k
...an Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical... ..., Ajax, and REST APIs Object-oriented Programming: Python, Java, or JavaScript Advanced Programming: Go Front-end and...Contract workLocal areaImmediate startLeidos
Ballwin, MO16 hours ago- ...Automation Engineer with strong expertise in API and UI test automation, Java/J2EE technologies, and Microservices. The ideal candidate should... ...Development (BDD) setting. Key Responsibilities: Develop applications using Java/J2EE technologies in a Microservices...
3B Staffing LLC
O Fallon, MO21 hours ago $95.7k - $159.7k
...years of computer software development experience. Experience developing in C++ and/or other object‑oriented programming languages, in a... ...with Cloud technology (AWS/AZURE) is a plus. Experience with Java multithreaded programming is a plus. Career Stage Senior Associate...Part timeInternship- ...Agile team in the continuous validation of web applications, system to system interfaces and complete software solutions. Design and develop test automation scenarios to validate system to system interfaces and complete software solutions (for API and UI tests). Interact...
Samprasoft
O Fallon, MO2 days ago
