1,831 java developer jobs at 434 companies in Islip, NY
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Java Developer
New York, New York, United States
$86k-$127k/yr HybridFull Time
1+ YOEJava developer with >1 year experience, strong Java and database skills, integration technologies (MQ, XML, SOAP, JSON), CI/CD experience, and agile familiarity.
Core Java, MQ, Xml, SOAP, JSON, SQL Server, Mongo, Gradle, Maven, Jenkins, GIT, agile, scrum
3w
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Java Developer
New York City, New York, United States
OnsiteFull Time
Senior Java developer with experience in multi-threaded Java/J2EE/Spring Boot, microservices, Docker/Kubernetes, databases (Oracle, MySQL, Postgres, MongoDB), Kafka, ELK, unit testing (JUnit), CI/CD tools (Jenkins, SonarQube, Git, Maven, Gradle) and strong English communication.
Java, J2EE, Spring Boot, Docker, Kubernetes, Oracle, MySQL, Postgres, MongoDB, Kafka, Kafka Streams, ELK, JUnit, GitLab, GIT, Jenkins, SonarQube, Maven, Gradle, JSON, XML, XSD
1d
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Java Developer
Jersey City or New York City
$64k-$109k/yr OnsiteFull Time
Bachelor's degree or equivalent experience; hands-on Java and Spring Boot expertise, API development, microservices, AWS, EKS, backend architecture, and CI/CD collaboration experience.
Java, Spring Boot, AWS, Amazon EKS, Amazon CloudFront, Amazon SQS, AWS Glue, Amazon DocumentDB, Oracle, PostgreSQL, Jenkins, TeamCity, Octopus Deploy, Agile, Scrum, CI/CD
4d
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Java Developer
New York City, New York, United States
$130k-$140k/yr OnsiteFull Time
4+ YOEStrong Java/Java EE proficiency, experience with MVC/ORM, web services/API, SQL, Ant, Agile, unit/integration testing; Blaze Advisor preferred. Education: degree plus relevant years of experience per posted options.
Java, Java EE, MVC, ORM, web services, API, SQL, Ant, Blaze Advisor
4w
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Senior Java Developer
Jersey City, New Jersey, United States
$100k-$125k/yr OnsiteFull Time
10+ YOE10+ years experience developing enterprise Java applications with Spring Boot, Kafka, and Oracle; preferred ReactJS and Azure; BSc in Computer Science required.
Java, Spring Boot, Kafka, Oracle, ReactJS, Linux shell script, Autosys, Azure
2w
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AVP Senior Java Developer
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
8+ YOE8+ years Java experience, Spring and REST API development, SQL/NoSQL/Big Data, containerization, CI/CD, monitoring, cloud architecture, security, and leadership/mentorship skills.
Java, Spring, REST API, SQL, NoSQL, Big Data, Co-pilot, DEVIN, Python, Docker, Kubernetes, Jenkins, GitLab CI, CircleCI, Azure DevOps, Prometheus, Grafana, ELK stack (Elasticsearch, Logstash, Kibana), Splunk, AWS, Azure, Google Cloud Platform (GCP)
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JAVA Developer L3
New York, New York, United States
$80k-$90k/yr OnsiteContract
5+ YOE5+ years Java 8 experience, bachelor’s degree in CS or related field, proficiency with OOP, RESTful APIs, Git; strong communication and problem-solving skills.
Java 8, Git, RESTful APIs, Spring, Hibernate, HTML, CSS, JavaScript, SQL, NoSQL
2w
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AVP Senior Java Developer
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
8+ YOE8+ years Java experience, bachelor\u0002s degree or equivalent, experience with Java/Spring/REST, SQL/NoSQL, cloud and CI/CD, leadership and mentoring skills.
Java, Spring, REST API, SQL, NoSQL, Big Data, Co-pilot, DEVIN, Python, Docker, Kubernetes, Jenkins, GitLab CI, Azure DevOps, Prometheus, Grafana, ELK stack (Elasticsearch, Logstash, Kibana), Splunk
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Sr Java Developer
New York City, New York, United States
$130k-$150k/yr HybridFull Time
9+ YOEStrong Java and Spring Boot development, Kafka event-driven pipelines, Oracle/SQL, REST API development, Docker, JSON/XML; MongoDB and MSK are plus.
Java, Spring Boot, Apache Kafka, MSK, Oracle, SQL, REST APIs, JSON, XML, Docker, MongoDB, Python, Shell Scripting
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Clickhouse Starburst Database JAVA Developer - 6376087
New York or Morristown
$44-$54/hr HybridFull Time
5+ YOE5+ years Java development and 5+ years with ClickHouse and Starburst; Associate's degree; AI/ML experience preferred; hybrid onsite at least 3 days/week.
ClickHouse, Starburst, Java, Starburst Enterprise
2mo
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AI Java Developer
New York, New York, United States
$100k-$125k/yr OnsiteFull Time
Hands-on Java 17+, Spring Boot, OpenSearch; AWS Bedrock integration; GenAI experience; REST APIs; CI/CD; fintech/open banking knowledge a plus
Java, Java 17+, Spring Boot, Spring MVC, Thymeleaf, REST, OpenSearch, Elasticsearch, AWS Bedrock, LLMs, RAG, Vector databases, Git, Maven, CI/CD, Postman
1mo
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Java Lead Software Engineer
Jersey City, New Jersey, United States
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience; hands-on system design, application development, testing, operational stability; advanced Java/Spring, JavaScript/TypeScript, SQL, Kafka, cloud (AWS/internal); experienced with SDLC, CI/CD, resiliency and security; experience with AI-assisted development workflows preferred.
Java, Spring, JavaScript, TypeScript, SQL, Kafka, React, Oracle, Aurora, Airflow, Spark, AWS, CI/CD
2w
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Senior Java Software Engineer
New York, New York, United States
$123k-$215k/yr HybridFull Time
10+ YOEBachelor's (or equivalent),10+ years software development,5+ years building large-scale Java distributed systems; REST API, Spring/Spring Boot, Netty,gRPC,JUnit,Oracle,CI/CD,Docker/OpenShift experience.
Java, REST API, Spring, Spring Boot, Netty, gRPC, JUnit, Oracle, Maven, Git, Docker, OpenShift
1mo
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Senior Java Backend Engineer
Atlanta or New York City
HybridFull Time
8+ YOE8+ years Java development (8/11/17+), strong Spring Boot/Spring MVC/Hibernate experience, microservices and REST API design, SQL proficiency, solid OOP/data structures/algorithms, distributed systems and performance optimization.
Java, Spring Boot, Spring MVC, Hibernate, SQL, C++, Terraform, Ansible, REST
4w
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Senior Java Algo Developer
New York City or Jersey City
$175k-$250k/yr RemoteFull Time
8+ YOE8+ years building production Java systems with JVM optimization, low-latency trading experience, FIX and market-data expertise, high-performance messaging, and familiarity with time-series/tick-store systems.
Java, JVM, JFR, async-profiler, flame graphs, Aeron, Chronicle Queue, Chronicle Map, LMAX Disruptor, SBE, FlatBuffers, QuickFIX/J, Fix Antenna, C#, .NET, G1, ZGC, Shenandoah, Azul Zing, DPDK, eBPF, Solarflare/Onload
2mo
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Market Data Sr. Java Developer
New York, New York, United States
HybridFull Time
5+ YOESenior Java developer with 5+ years, Spring, Java 11/17, REST, JMS, SQL Server; market data and low-latency trading experience.
Java, Spring, JMS, SQL Server, Sybase, Apache Camel, Bloomberg, Murex
4d
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Java Engineer Lead - Capital Markets
New York, New York, United States
$228k-$265k/yr HybridFull Time
15+ YOE8+ Mgmt15+ years Java engineering experience, 10+ years in financial services, 8+ years leading engineering teams; expertise in distributed systems, event-driven architectures, low-latency platforms, and stakeholder leadership.
Java, Spring Boot, Apache Kafka, gRPC, Kubernetes, Docker, AWS, Azure, Databricks, PostgreSQL, Redis, CI/CD
1w
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Senior Java Software Engineer
New York City, New York, United States
$120k-$175k/yr RemoteFull Time
6+ YOE6+ years Java experience, Spring Boot, REST APIs, Salesforce integrations, experience with distributed systems, Kafka, AWS, Git and CI/CD; strong troubleshooting and communication skills.
Java, Spring Boot, REST APIs, Salesforce, Apex, Lightning Web Components (LWC), Salesforce APIs, Kafka, AWS, Git, React, Angular, CI/CD, OpenAI, Anthropic, Amazon Bedrock, LangChain, Microsoft Copilot, Vertex AI
1mo
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Senior Java Developer - Rates Derivatives Algo & E-Trading
New York, New York, United States
$155k-$215k/yr OnsiteFull Time
10+ YOEBachelor's degree or equivalent experience; 10+ years software development; strong Core Java (JDK 21+ beneficial); OOP and legacy system experience; Fixed Income/Swaps and eTrading/algo exposure preferred; familiarity with AI tools beneficial.
Java, JDK 21, AMP/Claude Code, Python, Scala, Tradeweb, Bloomberg
1mo
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Senior Java Developer - Rates Derivatives Algo & E-Trading
New York, New York, United States
$155k-$215k/yr OnsiteFull Time
10+ YOE10+ years software development experience; strong Core Java (JDK 21+), OOP, and problem-solving skills; Fixed Income domain knowledge (Swaps preferred); bachelor's in CS/Engineering or equivalent; exposure to Python/Scala and AI tools beneficial.
Core Java, JDK 21, Python, Scala, Tradeweb, Bloomberg, AMP, Claude Code
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