Average salary: $125,000 /yearly
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- ...Backend Developer 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. Solid understanding of event-driven architecture concepts....Java
Omni Inclusive
O Fallon, MO3 days ago - ...and relationship-building skills, with a solid track record of developing internal and external partnerships.Proficiency with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and databases such as Oracle and SQL Server.Experience with SQL and NoSQL databases...JavaWork experience placement
Saxon Global
O Fallon, MO4 days ago - Java Developer Designing and implementing microservices using the Spring Boot framework. Working in compliance with the full Software Development Life Cycle. Connecting microservices to interact with databases. Understanding of how streaming technologies work such as Kafka...Java
- ...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, MO3 days ago - ...Sr. Java DeveloperKey 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 reviews, build test...Java
Damco
O Fallon, MO4 days ago - Digital Identity Technical ArchitectOverview: As part of an exciting, fast paced environment developing digital identity and security solutions in the mobile and e-commerce space, this position will provide technical expertise within the development lifecycle for new products...Java
Samprasoft
O Fallon, MO4 days ago - ...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, MO3 days ago - ...Job Title: Senior Java Developer Job Location: O'Fallon MO Day 1 onsite Job Type: 12+ months Contract Locals highly Preferred or nearby states only who can go for F2F if client asks Candidates from CA / TX and other regions all will not be considered...JavaContract workLocal area
Apptad Inc
O Fallon, MO3 days ago - Java Architect Local/ Day 1 Onsite).- OFL, MO Client: Tech Mahindra/Mind Tree Java, PCF, Spring Boot, Angular, NiFi, Apache Kafka Drive the architecture and design of software solutions including Technical solution & application architecture & design Development, review...JavaLocal area
- ...development in modern technologies for large enterprise technology platforms and systems. Hands-on experience in coding Microservices in Java, building UI/UX, frameworks such as React, Angular, spring boot, RDBMS, Oracle and event driven architecture. Experience in...Java
Yantran LLC
O Fallon, MO4 days ago - ...Top Priority Requirements Strong expertise in Java, APIs, Angular, and React Experience building Agentic Frameworks utilizing MCP layers and LLMs Strong logical design, analytical, and solution architecture skills based on product and platform requirements...JavaTemporary work
Delan Associates, Inc
O Fallon, MOmore than 2 months ago - ...Company Description Job Description Key Responsibilities: Design, develop, and maintain backend applications using Java 8 and the Spring Framework. Build real-time, event-driven systems using Kafka. Collaborate with cross-functional teams to deliver...Java
Jobs for Humanity
O Fallon, MO5 days ago - ...groovy scripts, CI / CD pipelines. Experience in Chef, Ruby scripting, Jenkins Pipeline, with Shell Scripting. Experience working with JAVA based applications (must). Working experience on build tools / package managers - such as Maven, Gradle, Artifactory, NPM. Hands-off...JavaWork experience placement
$90k - $110k
...Java AI Engineer 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 development, and event-driven architectures...JavaTata Consultancy Services
O Fallon, MO3 days ago- ...incorporated to improve the current system.Roles and Responsibilities:Ideally full stack experienced developer with strong/expert level Java development/architecture experience with Spring/Hibernate expertise.Proven experience building world class solutions on a global...JavaWork experience placement
Keylent Inc
O Fallon, MO4 days ago - ...Mid-Level Java Software Engineer II Location: O'Fallon, Missouri (Main Campus) Duration: 12 Months Overview The Consumer Authentication Solutions program/Smart Interface team is looking for a Software Engineer to drive our customer experience strategy forward...Java
Samprasoft
O Fallon, MO3 days ago - ...Java Backend EngineerAn ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud-native applications, microservices, and a modern technology stack. Here's a breakdown of the perfect candidate profile:Java Expertise:...Java
Veracity
O Fallon, MO3 days ago - ...Job Title: Java Backend Developer Location: O'Fallon, MO, USA Years of Experience: 7 to 10 Years Job Summary: We are seeking... ...in Java 8, with a deep understanding of object-oriented programming principles. Experience with the Spring framework, including...Java
Yantran LLC
O Fallon, MO2 days ago $92k - $147k
...Software Engineer IIOverviewThe Software Engineer II is an experienced software engineer specializing in Java development and microservices architecture. This role independently develops scalable, cloud-ready applications while contributing to software design, architecture...JavaDynamic Yield
O Fallon, MO4 days ago- ...IILocation: OFallon, MOProgram Overview: Sustainability and Innovations Program aims to develop Mastercard sustainability solutions and... ...collaborative and organization skills.Key Technology Focus Areas:Java, REST API, Pivotal Cloud Foundry, Jenkins, Spring, Oracle (or any...JavaLocal area
Samprasoft
O Fallon, MO4 days ago - ...plan, and control several concurrent initiatives with conflicting needs. Candidate must possess a superior coding background with Java/Spring or Python. Additional required technical requirements are AWS, Databricks/Snowflake. Experience using AI to assist in...Java
Dynamic Yield
O Fallon, MO3 days ago - Top 3 Required Skills: 1. Java Full Stack Engineering Java 8+, J2EE, Spring, Hibernate Angular/React front-end development REST/SOAP... ...Respond to operational and business concerns related to future programs, projects, or enhancements to ensure consistent delivery of quality...JavaWork experience placement
- ...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, MO3 days ago $115k - $184k
...management, and platform integration capabilities.We are seeking a Senior Full Stack Software Engineer with strong React, Angular, and Java development expertise to help build and enhance the applications that power these capabilities. This role combines application...JavaFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago- 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 Java Engineers for multiple...JavaFull timeLocal area
$140k - $231k
...greatest potential. Role Within Mastercard's Builders Enablement Program (ONE Division), we are building a standardized, secure, cloud... ...reliability). Advanced proficiency in modern programming languages (e.g., Java, C#) and frontend development using React and TypeScript....JavaFull timePart timeWorldwideFlexible hoursMasterCard
O Fallon, MO2 days ago- ...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. Experience in...JavaShift work
Samprasoft
O Fallon, MO3 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, MO5 days ago $72k - $115k
...and Summary Software Engineer IOverview 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...JavaFull timePart timeWorldwideFlexible hours- ...source control systems. Proven experience building ADA and WCAG compliant web applications. Required Skills Basic Qualification: Strong Java Additional Skills: Angular is a big plus. Candidates must be local to St Louis, MO and available to interview onsite. Please do not...JavaLocal area
