359 core java jobs at 120 companies in United States
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Core Java Developer
United States
OnsiteFull Time
5+ YOERequires 5–7 years of Core Java, Spring Boot, Kafka/MQ, microservices, SQL, DB2/Sybase, Shell/Unix, and Perl or Python experience, plus analytical and communication skills.
Java, Spring Boot, Kafka, MQ, SQL, DB2, Sybase, Shell, Unix, Perl, Python, Co-pilot
2w
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Core Java Developer - Trading / Securities Lending - Vice President
New York City, New York, United States
$142k-$213k/yr HybridFull Time
6+ YOE6+ years applications development experience with Core Java, Kafka, SQL, Git; experience with QA,TDD/BDD, system analysis, agile delivery; strong problem-solving and stakeholder management.
Core Java, Java, Kafka, SQL, Git, React, TDD, BDD
4w
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Senior Java Engineer - Core/Infra - Elasticsearch
United States
$133k-$211k/yr OnsiteFull Time
Strong core Java, API design, algorithms and data structures, concurrency and low-level Java experience; CI/CD familiarity (Buildkite, Argo CD, GitOps); experience leading large projects and using AI to accelerate development.
Java, JDK, Buildkite, Argo CD, GitOps, OpenTelemetry, Go, Gradle, Maven, Painless
1w
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Core Java Developer - Trading / Securities Lending - Vice President
New York, New York, United States
$142k-$213k/yr HybridFull Time
6+ YOERequires 6–10 years of application development experience, extensive Core Java, Kafka, SQL, Git, QA, TDD, BDD, agile methods, problem-solving, and a computer science or related bachelor's or master's degree.
Java, Kafka, SQL, Git, React, TDD, BDD
1w
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Java Developer
Austin or Dallas or Houston
OnsiteFull Time
Bachelor's degree or equivalent experience; hands-on Core Java, Spring Boot, Spring Core, microservices, JUnit, SQL, CI/CD, Agile, Azure, and production monitoring experience. U.S. work authorization required.
Java, Spring Boot, Spring Core, Microservices, JUnit, SQL, Azure, AKS, Ehcache, Redis, ADO, MySQL, Agile scrum
3w
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Java Developer
Dallas or Fort Worth
OnsiteFull Time
Strong Core Java and Python experience, Spring Boot and Terraform knowledge, cloud-native microservices and containerized application development in Agile environments.
Java, Python, Spring Boot, Terraform, Apache Tomcat
1w
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Apache Spark Core Java
Alpharetta, Georgia, United States
$120k-$130k/yr OnsiteFull Time
8+ YOE8+ years software development with Core Java, Apache Spark, Python, SQL, Linux; experience building large-scale analytical systems, REST APIs, distributed computing, and mentoring juniors.
Apache Spark, Core Java, Python, SQL, Linux, Docker, Kubernetes, Kafka, AWS, Azure, GCP
3w
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Java Developer
Alpharetta, Georgia, United States
$70k-$85k/yr OnsiteFull Time
5+ YOE5+ years Java development experience with Core Java, Spring (Boot, Integration), J2EE, servlets, Tomcat, Maven; API/Web Services (REST/SOAP/JSON); DB proficiency; strong design, security, and communication skills.
Core Java, Spring Framework, Spring Boot, Spring Integration, J2EE, Servlets, Tomcat, Maven, REST, SOAP, JSON, Oracle, DB2, Sybase, SOA, Git, Continuous Integration
1w
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Senior Java Engineer
New York City, New York, United States
$130k-$150k/yr HybridFull Time
10+ YOERequires 10+ years of Java development experience, Core Java, Spring, microservices, MongoDB, OpenShift or Kubernetes, AWS, performance optimization, and strong communication skills.
Java, Spring Boot, Spring, RESTful APIs, OpenShift, AWS, MongoDB, Kubernetes, ECS, EKS, Lambda, S3, Kafka, RabbitMQ, ISO 20022, SWIFT
4w
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Senior Java Developer / Java Backend Engineer - Onsite
Bentonville, Arkansas, United States
HybridFull Time
8+ YOE8+ years Java experience, strong core Java, OOP, multithreading, Spring framework, relational databases, build tools, version control, CI practices, secure coding, and mentoring skills.
Java, Spring
4w
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Senior Java Developer / Java Backend Engineer - Onsite
United States
HybridFull Time
8+ YOE8–12 years Java enterprise development experience, proficiency with core Java and Spring, multithreading, relational persistence, CI/version control practices, secure coding, strong communication and problem-solving.
Java, Spring
1w
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Java Developer - Chicago
Chicago or United States or Canada
$75k-$160k/yr HybridFull Time
3+ YOERequires 3+ years of Java 8 web application development, Core Java, application servers, JSP, servlets, OOD/OOP, JavaScript frameworks, SQL Server, and a bachelor's degree in a related field.
Java, WebSphere, JBoss, Tomcat, JSP, JavaScript, Angular, React, Vue, SQL Server, DB2
2w
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Java Support SA
United States
HybridFull Time
7+ YOE7+ years experience in J2EE/Core Java and PL/SQL, ITIL experience in incident/problem management, strong troubleshooting and communication skills, hybrid work experience.
J2EE, Core Java, PL/SQL
1mo
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Core Java Application Support Engineer
Charlotte or Morristown or New York City or Scottsdale or United States
$44-$54/hr HybridFull Time
5+ YOERequires advanced Core Java, 5+ years relevant experience, associate degree or higher, and proficiency with React.js, PL/SQL, Spring Boot, Apache Kafka, APIs, microservices, Agile, Git, and Eclipse.
Core Java, React.js, PL/SQL, Spring Boot, Apache Kafka, GIT, Eclipse, XML, JSON, APIs, Microservices, Eclipse IDE, WebLogic Application Server, JBoss
1w
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Senior Java Developer
Atlanta, Georgia, United States
$105-$110/hr RemoteContract
8+ YOERequires Core Java, Spring, Angular, SQL, Oracle, secure coding, testing, JMS, REST APIs, and strong communication. Bachelor's degree or equivalent experience required; 8 years preferred.
Java, Spring Framework, Spring Security, Angular, SQL, Oracle, JMS, IBM MQ, Spring JMS, REST APIs, JSON, Spring Boot, Spring Batch, AWS
1mo
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Core Java Application Support Engineer
Charlotte or Scottsdale or New York City or Morristown
$44-$54/hr HybridFull Time
5+ YOEAdvanced Core Java skills,5+ years relevant experience,associate degree or greater; experience with React.js,PL/SQL,Spring Boot,Apache Kafka,GIT,Eclipse,XML/JSON,and WebLogic/JBoss; strong communication and leadership.
Core Java, React.js, PL/SQL, Spring Boot, Apache Kafka, GIT, Eclipse, XML, JSON, WebLogic, JBoss
6d
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Java Scala Developer
Jersey City or Pennington
$76k-$127k/yr OnsiteFull Time
Bachelor's degree or equivalent experience; expertise in Scala, functional programming, Core Java, concurrency, JVM performance, and software development lifecycle practices. U.S. work authorization required.
Scala, Java, Core Java, RESTful APIs, Akka, JVM
2mo
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Java - Lead (Noida, UP, India)
Noida or India or United States or Canada
OnsiteFull Time
8+ YOEComputer science background, 8+ years total experience, 6+ years Java (Core Java, multithreading), experience designing low-latency FX trading systems, leading offshore teams, SDLC (waterfall & agile), Unix scripting, RDBMS/SQL, Spring Boot, messaging and build tools.
Java, Core Java, Java 8, Spring Boot, PostgreSQL, SQL Server, JMS, ActiveMQ, RabbitMQ, Kafka, SQS, ASB, Maven, Unix, SQL
3w
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Senior Core Infrastructure Engineer
Nashville, Tennessee, United States
$79k-$210k/yr OnsiteFull Time
5+ YOE5+ years building and operating large-scale distributed systems; strong Java/Scala, data structures, networking, Terraform, troubleshooting and AI adoption knowledge.
ChatGPT, Codex, Terraform, Java, Scala
1mo
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Senior Java Developer - Chordline Health
United States
RemoteFull Time
Expertise in Core Java and Jakarta EE, Apache Tomcat, RESTful API design, SQL/T-SQL and Microsoft SQL Server, frontend work with Kendo UI and jQuery, Playwright test automation, and CI/CD/containerization tools.
Core Java, Jakarta EE, Apache Tomcat, Servlets, JSPs, JAX-RS, Jersey, JDBC, SQL, Microsoft SQL Server, Kendo UI for jQuery, jQuery, JavaScript, T-SQL, OpenAPI/Swagger, Jackson, JetBrains IntelliJ, Junie, JetBrains AI, Playwright, Playwright Test Runner, ES Modules, Docker, Maven, Redis, TeamCity, GitHub Actions, dotenv
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