Average salary: $125,000 /yearly
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- ...Job Description: Java Backend Engineer with Agentic AI skills. Java with Spring Boot - Mandatory • Experience in developing Agentic AI applications. - Mandatory • Knowledge of SQL with Oracle and PostgreSQL - Mandatory • Knowledge of REST API development and...Java
Diverse Lynx
O Fallon, MO3 days ago - ...Hands on experience in building complex and highly scalable and performing systems Solid understanding and hands-on experience in Java, J2EE, Spring, Spring Boot, Kafka, RESTful web services, and JPA You have experience in building AI assisted application,...Java
Saxon Global
O Fallon, MO12 hours agonew - ...capabilities to support automation, pipelines, virtualization, and containerization # Fluency in one or more languages like Scala, Java, Python etc. # Understanding/experience in Apache Spark, Airflow, Databricks, AWS and related technologies ~ What...Java
3B Staffing LLC
O Fallon, MO4 days ago - ...Role - Java AI Engineer Experience Required - 5+ Years We are seeking a highly skilled Java Developer with Agentic AI experience to design and develop next-generation Agentic AI applications. The ideal candidate will have strong expertise in Java, Spring Boot, backend...Java
Diverse Lynx
O Fallon, MO4 days ago - ...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...Java
ClifyX
O Fallon, MO12 hours agonew - ...specific to emerging authentication technologies and standards Establish technical requirements for authentication certification programs All About You: The ideal candidate would have the following skills: Knowledge of advanced authentication techniques on...Java
Samprasoft
O Fallon, MO12 hours agonew - ...performing systems Solid understanding and hands-on experience in Java, J2EE, Spring, Spring Boot, Kafka, RESTful web services and JPA... ...experience Why Should You Apply? Health benefits Referral program Excellent growth and advancement opportunities...JavaLive in
ICONMA
O Fallon, MO12 hours agonew $122k - $207k
...Engineer (SRE) to join our growing team. You will play a critical role in ensuring the reliability, scalability, and performance of our Java, Spring Framework applications, supporting essential services that power Mastercard's global operations. As a leader thought leader...JavaFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO19 hours agonew$140k - $231k
...Production Excellence People Leadership & Talent Development Program & Execution Leadership Enterprise Leadership & Change... ...technologies, or low-code/no-code solutions. Experience with Java, React, API-based architectures, and cloud-native platforms....JavaDynamic Yield
O Fallon, MO4 days ago$96k - $163k
...acquirer, and merchant interactions across the payment lifecycle. The program centralizes account update orchestration and lifecycle... ...bottleneck analysis and system design for scale. • Experience with Java Virtual Machine internals and garbage collection tuning. •...JavaFull timePart timeWorldwideFlexible hoursMastercard
O Fallon, MO19 hours agonew$163k
...situations and making decisions with a sense of urgency is needed. • Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting large-scale distributed systems. • We need...JavaFull timePart timeImmediate startWorldwideFlexible hoursMastercard
O Fallon, MO19 hours agonew$76k - $127k
...tasks. Ability to handle high-pressure situations and make decisions with urgency. Proficiency in one or more programming languages: C, C++, Java, Python, Go, Perl, or Ruby. Experience working with large-scale distributed systems and troubleshooting them effectively...JavaFull timePart timeWorldwideFlexible hoursEarly shiftMastercard
O Fallon, MO19 hours agonew- ...Management Platform, which serves as the core for multiple business solutions to combat fraud and validate cardholder identity. Our patented Java-based platform processes billions of transactions per month in tens of milliseconds using a multi-tiered, message-oriented approach...JavaLocal areaRemote workRelocation
Samprasoft
O Fallon, MO12 hours agonew - ...- 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 software...Java
Dynamic Yield
O Fallon, MO2 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...Java
Keylent Inc
O Fallon, MO4 days ago - ...(Tuesday, Thursday, and Friday). Top 3 Required Skills: 1. Java Full Stack Engineering Java 8+, J2EE, Spring, Hibernate... ...Respond to operational and business concerns related to future programs, projects, or enhancements to ensure consistent delivery of quality...JavaWork experience placement3 days per week
RIT Solutions
O Fallon, MO12 hours agonew - ...Position: Java Engineer Location: Onsite - 5 Days/Week (O'Fallon, Missouri or NYC, NY) Type: Full-Time Employee (FTE) Openings: 5 urgent positions Interview Mode: Local candidates must be available for in-person interviews We're seeking experienced...JavaFull timeLocal area
Veracity
O Fallon, MO3 days ago $115k - $184k
...through continuous improvement, refactoring, and adherence to SOLID principles. All About You Strong hands-on experience with Java, Spring Boot, Kafka, REST APIs, JPA, and distributed systems. Strong understanding of software design and software architecture...JavaWorldwideDynamic Yield
O Fallon, MO2 days ago- ...Job Title Mastercard Direct Services Program About the Role Possesses a strong knowledge of programming, tools, architecture patterns... ...applications using Agile methodologies. Experience in Jmeter, Java Micro Benchmark Harness (JMH), Micro Services, NATS or...Java
Samprasoft
O Fallon, MO12 hours agonew - ...automation, and behavior-driven development. Strong background in object-oriented architecture, design, and development. Direct Java experience preferred. Experience with multiple OO languages and SQL a plus. High-energy and detail-oriented, with the ability...JavaLong term contractWork experience placementLocal areaRelocationFlexible hours
3B Staffing LLC
O Fallon, MO4 days ago $72k - $115k
...realize their greatest potential. Overview The Software Development Engineer is an early-career software engineer specializing in Java development with a focus on building microservices that support Mastercard's high-throughput, low-latency transaction processing...JavaWorldwideDynamic Yield
O Fallon, MO4 days ago- ...sellers. The role will require you to: Contribute to the planning, design, and development of microservices on your team. Build Java microservices Deliver code with exceptional quality and security that operates at scale Participate in code reviews and...Java
Yantran LLC
O Fallon, MO2 days ago $99k - $225k
...or software development Experience developing applications using Large Language Models (LLMs) Experience with programming languages such as Python or Java Experience with software design patterns Knowledge of embedding models, vector databases, and semantic search...JavaLocal area$140k - $231k
...standards • Operability engineering (observability, monitoring, reliability) • Proven experience in backend development with applicable JAVA technologies (Core JAVA, Spring Integration, Spring Boot, Hibernate, REST/SOAP web services) • Proven experience working with...JavaFull timePart timeWorldwideFlexible hoursDynamic Yield
O Fallon, MO4 days ago$72k - $115k
...data structures and their use in solving technical problems efficiently • Familiarity with object-oriented programming and modern programming languages such as Java, Python, C#, or similar • Understanding of unit, functional, and integration testing concepts •...JavaFull timePart timeInternshipWorldwideFlexible hoursMasterCard
O Fallon, MO3 days ago$61.9k - $141k
...exploration and data examination to convert data into actionable insights. You Have 2+ years of experience utilizing programming languages, including C++, Java, or Python 2+ years of experience developing and maintaining scalable data stores that supply big data for...Java- Skills • Ability to write simple and complex SQL Queries, preferably with DB2 SQL syntax including PL/SQL. • Good analytical and multitasking skills. • Good oral and written communication skills. • Identify and resolve problems in a timely manner; gather and...Java
RIT Solutions, Inc.
Chesterfield, MO1 day ago $115k - $184k
...candidate brings strong software engineering fundamentals, hands-on Java development experience, and a quality-first mindset, with the... ...engineers, architects, DevOps engineers, product owners, and program teams to understand requirements and deliver business-aligned solutions...JavaFull timePart timeFlexible hoursDynamic Yield
O Fallon, MO4 days ago- ...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 the design, development, and deployment of high-quality Java microservices...JavaHourly payH1bWork at officeRelocation3 days per week
Veracity
O Fallon, MO1 day ago - ...Interview: Virtual Note: Every month candidate has to go onsite for team meeting. Must have Skills/Attributes: Cryptography, GoLang, Java, NodeJs, Python, SDLC, Spring Boot Must have 10+ yrs of Blockchain developer experience Must have 5+ Java SpringBoot...JavaContract work
InterSources
Chesterfield, MO3 days ago
