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Senior Java Software Developer Jobs In Belleville, Illinois - 35 Job Positions Available

1 – 20 of 35 jobs
EY jobs

Job Opportunity As an FSO Technology Senior Analyst, you’ll be based in our Service Delivery Center and will work on project‑based Technology and managed services for clients. Your key responsibilities include design, build/configuration, testing, analysis, delivery, and

EY  1 day ago

Our Purpose *Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments

Socket.dev  1 day ago
Atria Group LLC jobs

Atria Group LLC is seeking a highly skilled software developer for a 6+ month contract in St. Louis, MO. The successful candidate will demonstrate a solid foundation in Java programming and systems analysis, working in a dynamic Agile environment.

Atria Group LLC  1 day ago
Eliassen Group jobs

Description: Hybrid 2-3 days on-site in St. Louis, MO Our client seeks a Senior Software Developer to support modernization and maintenance of a mission-critical enterprise application in AWS for the U.S. Treasury. The role requires full-stack development across Java/Spring Boot

Eliassen Group  1 day ago
Eliassen Group jobs

Eliassen Group seeks a Senior Software Developer to modernize and maintain a mission-critical enterprise application in AWS for the U.S. Treasury. The role spans full‑stack Java/Spring Boot with Angular/TypeScript front ends, focusing on security remediation, cloud-native patterns, and robust test

Eliassen Group  1 day ago
DCS Corp jobs

DCS Corp. is an employee-owned organization with a reputation for agile and efficient development of technology solutions for U.S. Defense, Aerospace, Human Factors, and Security markets. We continue to provide innovative solutions with our multidisciplinary teams

DCS Corp  1 day ago
DCS Corp jobs

DCS Corp. is an employee-owned organization with a reputation for agile and efficient development of technology solutions for U.S. Defense, Aerospace, Human Factors, and Security markets. We continue to provide innovative solutions with our multidisciplinary teams

DCS Corp  1 day ago
PRI Global jobs

Local to Missouri will be given first Preference Below 3 Technical skills are Mandatory Angular/React front-end development REST/SOAP APIs and enterprise application development 2. Cloud-Native Architecture & DevOps Cloud-Native / AWS or Other Cloud Platforms CI/CD

PRI Global  1 day ago
TECHNOLOGY PARTNERS INC jobs

Technology Partners is currently seeking a talented Senior Java Developer. Do you have 6 or more years of experience in Java server-side web development? Let us help you make your next big career move a reality! What You Will Be

TECHNOLOGY PARTNERS INC  1 day ago
Boeing jobs

As the senior manager, you will lead the team responsible for the development and support of several advanced analytics products for BDS supply chain function. The development of new capabilities within these products is a key responsibility

Boeing  1 day ago

For our client, a rapidly growing international consulting company specialising in software engineering, we are looking for an experienced Java Developer to join a team delivering large-scale and business-critical projects. Responsibilities: Participate in all phases of the SDLC: requirements

IT.HR Recruitment Agency  1 day ago

Senior Backend Developer Freedom Technology Solutions Group is seeking a Software Engineer (Backend Developer) to support our client’sintelligence analysis products and capabilities. This position involves providing software development capabilitiesto enhance existing and emerging client capabilities, including design and development, modernization of

Dormont Manufacturing Co  9 hours ago

A technology solutions company based in St. Louis is looking for a skilled software developer to design, code, test, and implement applications. The ideal candidate will have over 6 years of experience, with strong expertise in Java and Unix,

MyASAP  1 day ago

Job Summary: We are seeking a highly experienced Senior Back-End Developer with expertise in Java (Java 8 or above), PostgreSQL, and Google Cloud Platform (GCP) Pub/Sub. The ideal candidate will design, develop, and implement applications to support business requirements, analyze

TechDigital Group  1 day ago
CACI International Inc jobs

CACIs SAFFIRE team is at the forefront of developing and operating state-of-the-art of Geospatial Intelligence analysis software. The SAFFIRE team builds and maintains an exceptionally powerful platform enabling our users to address challenging real-world problems by converting

CACI International Inc  1 day ago

A prominent technology firm seeks a Java Developer in St. Louis, Missouri, for a full-stack engineering role supporting portfolio management capabilities across advisory platforms. Responsibilities include hands-on coding, contributing to software initiatives, and collaboration with clients. Candidates should have

PTR Global  1 day ago
NV5 jobs

Overview NV5 Geospatial (NV5G) is actively recruiting qualified and cleared Geospatial Backend Developers to support national security client sites in the Northern Virginia and St. Louis, MO areas. Candidates will build software leveraging Esris products and APIs to

NV5  1 day ago
Apolis jobs

Senior MES Application Developer #26-03562 Up to $65 per hour ST LOUIS, MO Onsite Job Classification: IT Job Location: ONSHORE Job Description We are seeking an experienced Senior MES Application Developer with 7+ years of software development experience to design, develop,

Apolis  1 day ago
Ask IT consulting jobs

A leading IT services and staffing firm in St. Louis is seeking an experienced software developer to analyze application specifications and ensure business requirements are met. The ideal candidate will possess strong experience with Java, J2EE, and related technologies,

Ask IT Consulting  1 day ago

Senior Java Engineer job at IT.HR Recruitment Agency. Saint Louis, MO. For our client, a rapidly growing international consulting company specialising in software engineering, we are looking for an experienced Java Developer to join a team delivering large-scale and business-critical projects.

IT.HR Recruitment Agency  1 day ago

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