java Jobs in Missouri

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C++ Developer (W2/1099 only)

Zentek Infosoft Inc

Remote

Contract

Primary Duties: Design and develop C/C++ components in compliance with project guidelines 60% Perform unit and development level integration testing as needed 20% Perform code maintenance based on needs of IBM testing, customer testing, and production issues 10% Documentation of software design and code 10% Required skills/Level of Experience: C++ development 8 years SQL development 8 years XML, XSLT development 7 years DB2 development 5 years Work as a user in a Mainframe environment 4 years Mi

Java Architect

ApTask

Springfield, Missouri, USA

Full-time

Tittle: Java Architect Location: Springfield, MO (Hybrid) Type: Fulltime Job Description: Minimum 20 years of industry experienceStrong experience in Java technologies.Meeting with technology managers and the design team to discuss the goals and needs of the companyExamining and defining current architecture systemsDesigning scalable architecture systems for Java based applicationsIdentifying the hardware and software infrastructure needs to accommodate the company s architectural goalsTroubles

Remote Lead Java/IAM Engineer

Software Guidance & Assistance

Remote or Rockville, Maryland, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for an Remote Lead Java/IAM Engineer for a Contract assignment with one of our premier Regulatory clients in Rockville, MD. This position is hybrid (2 days per week onsite) Must be local to DC Metro area. Top Skills Needed: Java Development IAM Sailpoint AWS The IAM Lead Engineer works closely with the access management and security engineering to manage a process of enterprise-wide identities and access controls granted to syst

Senior Java Full Stack Engineer (Remote)

First-Citizens Bank & Trust Company

Remote or Raleigh, North Carolina, USA

Full-time

Overview This is a remote role that may be hired in several markets across the United States. We are looking for a hands-on Sr Software Engineer to join our growing Corporate Credit Card delivery team, which provides technology solutions and integration services in following areas: Corporate Credit Cards, Credit Card Risk Underwriting, Credit Card Portfolio Management, and Merchant Services. We have a highly engaged team of engineers and are driving a new custom developed platform and impleme

Senior Java Engineer

ERPMark Inc

Lake Saint Louis, Missouri, USA

Full-time

Senior JAVA Engineer O'Fallon MO Day 1 Onsite Full Time BS in CS 10+ yrs. experience Experience in object-oriented programming and concepts. Experienced in Java backend application development. Comfortable enough in handling algorithms, data structures, Data collections and system design problems Expected to develop new APIs and host new end points. Experienced in Distributed System development using Java/J2EE/Web Technologies. Proven track record in delivering highly available, scalable syst

Senior Java Engineer

Efovinity Inc

St. Louis, Missouri, USA

Full-time

We re Looking For A Senior Sofware Engineer! At InRhythm, You Will Perform all phases of the SDLC like requirements analysis, application design, coding, testing and, deployment Work closely with engineers, product owners, and other stakeholders to design and build scalable and distributed solutions that will provide a positive user experience Transform old monolithic applications into modern microservices driven solutions Integrate new features with third party systems using APIs Ensure fronten

Sr. Java Developer (REMOTE)

RedRiver Systems L.L.C.

Remote

Contract

Join this growing team developing software supporting new software development and integrations of acquired organization(s). This is an opportunity to grow within the organization and provide mentorship and development of other team members while creating elegant scalable solutions. You will develop one or more large complex web applications and create enhancements to existing applications to meet business requirements. Work with management and collaborate across teams to develop application req

GA DOL - Sr. Java Developer

tCognition, Inc

Remote

Full-time

Java Developer Senior positionDo not apply. this is test job

Core Java Developer

Apolis

Remote or New York, New York, USA

Full-time, Contract

Job title: Core Java Developer Location- NY Duration- 6 MonthsResponsibilities: * Core Java server-side development focused on low-latency data structures * Work closely with the Fixed Income (FI) trading teams to understand workflows, specifically related to pricing * Build and enhance systems dealing with Preferred Stocks, Corporate Bonds, Munis, Investment Grade products, TIPS, REITs, Money Market Funds, and Credit Trading instruments * Develop and integrate a net new RFQ engine and auto-hedg

Senior Java Full Stack Engineer (Remote)

First-Citizens Bank & Trust Company

Remote or Raleigh, North Carolina, USA

Full-time

Overview This is a remote role that may be hired in several markets across the United States. We are looking for a hands-on Sr Software Engineer to join our growing Corporate Credit Card delivery team, which provides technology solutions and integration services in following areas: Corporate Credit Cards, Credit Card Risk Underwriting, Credit Card Portfolio Management, and Merchant Services. We have a highly engaged team of engineers and are driving a new custom developed platform and impleme

Ex-Capital One Consultants Only Needed) :: Android Developer :: iOS Developer :: Golang Developer :: Java Developer :: Python Developer :: Remote

Bright Sol

Remote

Third Party, Contract

Hi Professionals, Hope you are doing great today!! I have an urgent following openings Ex-Capital One Consultants Only Needed Android Developer :: Remote :: Long term contract iOS Developer :: Remote, VA :: Long term contract Golang Developer :: Remote, VA :: Long term contract Java Developer :: Remote:: Long term contract Python Developer :: Remote :: Long term contract

(Ex-Capital One Consultants Only Needed) :: Android Developer :: iOS Developer :: Golang Developer :: Python Developer :: Java Developer :: Data Engineer :: Remote

Bright Sol

Remote

Contract, Third Party

Hi Professionals, Hope you are doing great today!! I have an urgent multiple following openings Ex-Capital One Consultants Only Needed Android Developer :: Remote :: Long term contractiOS Developer :: Remote :: Long term contractGolang Developer :: Remote :: Long term contractJava Developer :: Remote :: Long term contractPython Developer :: Remote :: Long term contract

Technical Architect - Disease Surveillance System (DSS) - 100% Remote

RICEFW Technologies Inc

Remote or Lansing, Michigan, USA

Third Party, Contract

Role Overview The State seeks an Application Architect to lead the end-to-end design, migration, and implementation of a modernized Disease Surveillance System (DSS). This role requires deep technical expertise in building scalable public health systems and integrating with multiple secure platforms in a government-regulated environment. Core Responsibilities Architect and deliver a scalable, modular Disease Surveillance System to replace a legacy system. Design and lead large-scale relational

UI/UX Developer (LWC / Java)

Kentro

US

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Staff Java Engineer

Ranger Technical Resources

Remote

Full-time

Java Staff Engineer #2478 Position Summary: Our partner, a leading SaaS provider of unified IT operations solutions designed to simplify and automate the management of IT infrastructure, is seeking a Staff Java Engineer to join their high-performance team. In this role, you will strategically influence architecture decisions, lead complex technical initiatives, and mentor engineers across multiple squads. Your expertise in scalable, resilient Java-based systems will be key to integrating and opt

COE - Lead Onshore Full-Stack Developer - C1 (Java + React Js)

QualiTest

Remote

Full-time

Are you interested in working with the Worlds leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest! We are looking for a Lead Full-Stack Developer to join our growing team in United States! Responsibilities: Lead, Oversee and manage the offshore development team, ensuring seamless collaboration and high-quality code delivery. Assess, Evaluate and Hire new offshore

Junior Java Developer

S2Tech

Jefferson City, Missouri, USA

Full-time

Junior Java Developer Location: Jefferson City, MO (Onsite) About Us: Known for Delighting the Client through performance, innovation, and an employee-centric culture, S2Tech is a fast-growing IT consulting company serving clients in over a quarter of the United States. We are widely recognized as a leading provider of both technical and business services in support of Health and Human Services-related projects. Why S2Tech?: Stable privately-owned company with a strong reputation for building

Java Engineer

Application Management Services LLC

St. Louis, Missouri, USA

Full-time

Coding - Core and Advance Java tech stack (JDK8 or higher) Advance knowledge and practical experience working with Spring boot, relational database, caching solutions Practical experience with various test coverage like unit testing, functional testing, integration testing and contract testing. Practical experience working through requirements, design, implementation and testing around integration with external systems/APIs High Availability Scaling Resiliency Ensuring better maintenance of the

Senior Java Developer

Kforce Technology Staffing

Remote or Atlanta, Georgia, USA

Contract

RESPONSIBILITIES: Kforce has a client seeking a remote Senior Java Developer to join their team. Ideally, this candidate has around 4-7+ years of experience. Summary: This app is built with a React frontend and Java/Springboot backend (but is majority a backend application). This is also all hosted in Google Cloud Platform and we use Cassandra as a database. The majority of the work is going to be heavier backend (about 60-70%), however, the work can change, so any React knowledge is a plus. The

Java Full Stack Developer (Spring Boot + React + Python)

Value Spectrum Technologies LLC

Remote

Contract

Job Overview:UnitedHealth Group is looking for a highly skilled and versatile Full Stack Java Developer to build scalable, secure, and high-performing web applications in the healthcare domain. You will be responsible for designing and developing backend microservices using Spring Boot, dynamic and responsive UIs using React.js, and supporting automation/data transformation workflows with Python. This is a critical position contributing to enterprise applications that support healthcare operatio