Top Senior Java Engineer Jobs in NYC, NY

25 Days AgoSaved
In-Office
New York, NY
142K-213K Annually
Senior level
142K-213K Annually
Senior level
Fintech • Financial Services
Lead backend architecture and implementation for Citi's FX eCommerce trading platform. Build high-performance, multithreaded Java services, integrate with product teams, resolve complex system issues, coach mid-level developers, and ensure resilient, low-latency, production-ready solutions that meet regulatory and risk standards.
Top Skills: JavaJvmLow Latency SystemsMultithreadingSolaceSpring Boot
25 Days AgoSaved
In-Office
New York, NY
60K-80K Annually
Senior level
60K-80K Annually
Senior level
Artificial Intelligence • Information Technology • Software • Consulting
Senior Java developer responsible for designing, implementing and testing Java/J2EE web applications. Work with Spring, Hibernate, JMS, web frameworks (Struts/JSF), frontend technologies (Angular, Bootstrap), relational databases (Oracle/SQL Server/MySQL), CI/build tools (Maven/Ant), testing tools, and application servers. Participate in Agile ceremonies, estimations, design sessions, and full SDLC activities.
Top Skills: Adobe FlexAjaxAngularAngularjsAntApache TomcatBootstrapCvsEclipseEjbGitHibernateIbm Rational RoseJ2EeJavaJavaScriptJbossJdbcJIRAJmeterJmsJqueryJsfJspJunitLdapLog4JMavenMqMySQLOraclePrimefacesServletsSoap UiSpringSQLSQL ServerStrutsSvnTestngTfsUmlWeb ServicesWeblogicWebsphere Application Developer
25 Days AgoSaved
In-Office
New York, NY
60K-80K Annually
Senior level
60K-80K Annually
Senior level
Artificial Intelligence • Information Technology • Software • Consulting
Senior Java developer responsible for designing and implementing server- and client-side web applications using Java/J2EE, frameworks (Spring, Hibernate, JSF/Struts), rich UI frameworks, SOA/Web Services, and automation tools. Collaborate in agile/TDD environments to build APIs, frameworks, and core business logic for distributed, real-time systems.
Top Skills: AjaxAngularjsAntCassandraChefCruisecontrolDojoHibernateHTML5HudsonJ2EeJavaJavafxJenkinsJqueryJsfJunitLinuxMavenMessaging SystemsPivotal Cloud FoundryRabbitMQRelational Databases (Sql)SeleniumSoaSpringSpring BootStrutsSwingTestngUnixWeb ServicesWindows
Reposted 3 Days AgoSaved
In-Office
New York, NY
Senior level
Senior level
Professional Services • Industrial • Manufacturing
Senior developer responsible for design and development of multi-tier applications using Java, C++ and Python. Must have strong object-oriented skills, standalone development experience, domain knowledge in derivatives/fixed income and regulatory reforms (Dodd-Frank), and strong communication with business and testing teams.
Top Skills: C++JavaMulti-Tier ApplicationsObject Oriented ProgrammingPython
Reposted 3 Days AgoSaved
Hybrid
New York, NY
Senior level
Senior level
Information Technology • Business Intelligence • Consulting
Design and develop scalable applications, collaborate in Agile teams, and utilize various technologies like Java, React, and AWS.
Top Skills: SparkAWSAzureCSSHadoopHTML5JavaJavaScriptKafkaKinesisReactSpringSQLTerraform
17 Days AgoSaved
Remote
New York, NY
Senior level
Senior level
Information Technology • Professional Services • Consulting • Financial Services
Design, build, and maintain scalable J2EE business applications. Implement features, fix bugs, participate in code reviews, automate tests, optimize performance, and produce documentation.
Top Skills: Application ServerDatabasesJ2EeJavaJunitUnix/LinuxWebunit
Reposted 5 Days AgoSaved
In-Office
New York, NY
175K-250K Annually
Senior level
175K-250K Annually
Senior level
eCommerce
Build and optimize latency-sensitive Java trading systems end-to-end: design algorithmic order types, tune JVM hot paths, maintain algo pipeline, integrate market-data and venue connectivity, partner with quant researchers, and migrate legacy Java services onto current LTS releases.
Top Skills: .NetAeronAsync-ProfilerAzul ZingC#Chronicle MapChronicle QueueCme Mdp3DpdkEbpfEurex EobiEurex EtiFix 4.2Fix 4.4Fix 5.0 Sp2Fix AntennaFixtFlame GraphsFlatbuffersG1HugepagesIce EfixIlinkJavaJfrJvmLmax DisruptorNasdaq ItchNasdaq OuchNumaQuickfix/JSbeShenandoahSolarflare OnloadZgc
Reposted 8 Days AgoSaved
Hybrid
New York, NY
143K-186K Annually
Senior level
143K-186K Annually
Senior level
Fintech
Design, build, and maintain highly available, performant data systems that record and process billions of market events daily. Drive architecture, support APIs and analytics, automate monitoring/alerting, generate reports, and collaborate with stakeholders to deliver scalable, reliable solutions for FX and UST trading data.
Top Skills: Ai (ClaudeCopilot)GitJavaLinuxPostgresScripting
Reposted 21 Days AgoSaved
In-Office or Remote
New York, NY
40K-142K Annually
Senior level
40K-142K Annually
Senior level
Agency • Information Technology
Lead modernization and migration of legacy Struts 1 applications to modern Java platforms. Design, develop, and maintain scalable Java 21 applications using Spring 6 and REST APIs, troubleshoot production issues, participate in code reviews, and collaborate with cross-functional teams to deliver high-quality software.
Top Skills: AWSAzureGCPJava 21Restful ApisSpring 6Spring BootSpring MvcSpring SecurityStruts 1
Reposted 21 Days AgoSaved
Remote
New York, NY
40K-142K Annually
Senior level
40K-142K Annually
Senior level
Agency • Information Technology
Design, develop, and maintain high-performance Java microservices using Spring Boot. Implement threading/concurrency, fault-tolerance (Hystrix/circuit breakers), observability (SLI/SLO), and event-driven solutions with Kafka. Deploy and operate services on Kubernetes and AWS, mentor junior developers, and collaborate with cross-functional teams to deliver reliable, scalable features.
Top Skills: AWSHystrixJavaJava 22KafkaKubernetesSli/SloSpring Boot
Reposted 21 Days AgoSaved
In-Office or Remote
New York, NY
38K-135K Annually
Senior level
38K-135K Annually
Senior level
Agency • Information Technology
Lead reverse-engineering of TIBCO BW/MFT processes, document business rules, and reimplement them as modular Java/Spring Boot microservices. Migrate protocols to Kafka/RabbitMQ/REST, ensure data consistency, and perform performance testing to match legacy SLAs.
Top Skills: Apache CamelEmsJava 19JSONKafkaRabbitMQRendezvousRestSchema ValidationSpring BootSpring IntegrationSQLTibco BusinessworksTibco MftXMLXpathXslt
Reposted 21 Days AgoSaved
In-Office or Remote
New York, NY
37K-132K Annually
Senior level
37K-132K Annually
Senior level
Agency • Information Technology
Design and build Java/J2EE solutions using Spring and APIs; develop webservices, DB schemas, PL/SQL and transactional SQL in DB2/Oracle; collaborate with architects, developers and DevOps to implement CI/CD (Jenkins, uDeploy), ensure code quality (Sonar), perform code reviews and testing, resolve technical roadblocks, and drive process improvements. Requires strong communication and teamwork.
Top Skills: Api DesignDb2GitHp Operations OrchestrationHp Service ManagerJ2EeJavaJenkinsOraclePl/SqlServicenowSonarSpringSQLUdeployWebservices
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Reposted 21 Days AgoSaved
Remote
New York, NY
111K-150K Annually
Senior level
111K-150K Annually
Senior level
Aerospace • Information Technology • Professional Services • Security • Software
Senior Java Developer on an agile team to design, develop, test, and deploy enterprise-grade Java/J2EE web applications. Ensure performance, security, scalability, maintain documentation, review requirements, propose solutions, and improve SDLC through TDD, CI/CD automation, code reviews, and collaboration with architects and stakeholders.
Top Skills: AngularjsCi/Cd AutomationCloud NativeCSSDockerGitHibernateHTMLInformixJavaJava EeJavaScriptJavaserver Faces (Jsf)Javaserver Pages (Jsp)JpaLinux (Red Hat)PerlRestful Web ServicesServletsShell ScriptingSpring BootSpring FrameworkSQL
22 Days AgoSaved
Remote
New York, NY
133K-211K Annually
Senior level
133K-211K Annually
Senior level
Cloud • Security • Software • Generative AI
Develop and maintain core Elasticsearch infrastructure and shared platform features. Design scalable APIs, solve performance and concurrency issues, improve observability and CI/CD, automate developer workflows, lead cross-team projects, support complex operational investigations, and use AI to accelerate development and debugging.
Top Skills: Argo CdBuildkiteCi/CdContainersElasticsearchGitopsGoGradleJavaJdkKubernetesMavenOpentelemetryPainlessServerless
Reposted 22 Days AgoSaved
Remote
New York, NY
133K-211K Annually
Senior level
133K-211K Annually
Senior level
Cloud • Security • Software • Generative AI
The role involves improving Elasticsearch's distributed components, maintaining cluster coordination systems, and addressing complex issues to optimize performance and scalability.
Top Skills: ElasticsearchJavaLuceneNetty
Reposted 22 Days AgoSaved
Remote
New York, NY
Senior level
Senior level
Information Technology • Professional Services • Analytics • Consulting
Remote Senior Java Developer responsible for building Java web applications using JSP and Struts2/MVC, creating reports with Jasper or SSRS, and managing Linux application servers (load balancers, JBoss, Apache, WildFly).
Top Skills: ApacheJasperJavaJbossJspLinuxLoad BalancerMvcSsrsStruts 2Wildfly
Reposted 22 Days AgoSaved
Remote
New York, NY
Senior level
Senior level
Information Technology • Professional Services • Software • Consulting
Senior Java Engineer responsible for designing and delivering high-quality, low-maintenance software. Coach client teams on modern development practices, apply test-driven development, collaborate in small teams, and pursue continuous learning to improve scalable, maintainable applications.
Top Skills: JavaTest-Driven Development
Reposted 9 Days AgoSaved
In-Office
New York, NY
Senior level
Senior level
Information Technology • Software
The role requires a senior developer with expertise in Java and C++, and knowledge of Python. Responsibilities include designing and developing multi-tier applications and handling regulatory projects.
Top Skills: C++JavaPython
Reposted 9 Days AgoSaved
In-Office
New York, NY
Senior level
Senior level
Information Technology • Software
The role involves design and development of multi-tier applications using Java and C++, requiring knowledge of Python and derivatives domain.
Top Skills: C++JavaPython
Reposted 10 Hours AgoSaved
Remote
New York, NY
Senior level
Senior level
Agency • Information Technology
Design, implement, test, and maintain scalable Java/J2EE microservices using Spring technologies. Collaborate with architects, follow SDLC, perform unit/system testing, troubleshoot distributed cloud applications, and work in Agile teams to meet enterprise performance and security standards.
Top Skills: CloudJ2EeJavaMicroservicesSpring BatchSpring BootSpring CloudSpring FrameworkSpring JdbcSpring Mvc
Reposted 4 Days AgoSaved
In-Office or Remote
New York, NY
Senior level
Senior level
Information Technology • Software • Consulting • App development
Lead design and delivery of scalable, resilient distributed systems. Act as technical authority across teams, mentor engineers, drive architecture and CI/CD best practices, troubleshoot production issues, optimize performance, and enhance observability while writing production-grade Java.
Top Skills: CachingCi/CdDockerEvent-Driven ArchitectureGitJavaKafkaLoad BalancingMicroservicesMonitoring/ObservabilityMultithreadingNoSQLRabbitMQRelational DatabasesRestful ApisShardingSpring Boot
Reposted 5 Days AgoSaved
Remote
New York, NY
126K-186K Annually
Senior level
126K-186K Annually
Senior level
Database • Analytics
As a Senior Software Engineer, you will maintain and develop data connectors, enhance data integrations, and improve developer experience within the ClickHouse data ecosystem.
Top Skills: Apache BeamApache FlinkSparkJavaJdbcKafka
Reposted 15 Days AgoSaved
Remote or Hybrid
New York, NY
125K-185K Annually
Senior level
125K-185K Annually
Senior level
Software
The Sr. Software Engineer will design and maintain Java-based backend services, work on architecture design, and ensure high system reliability in both federal and AWS environments.
Top Skills: AWSDockerElkGitGrafanaJavaJenkinsKafkaKubernetesMavenMicroservicesOraclePsqlRedisSpring
Reposted 16 Days AgoSaved
Hybrid
New York, NY
140K-160K Annually
Senior level
140K-160K Annually
Senior level
Artificial Intelligence • Machine Learning • Software
Lead the development of an AI-powered AML platform, guiding a team in best practices, architecture, and delivering high-quality software solutions using Java and React.
Top Skills: ElasticsearchHadoopJavaKafkaPostgresReactSpark
8 Days AgoSaved
Remote
New York, NY
Senior level
Senior level
Fintech
Senior Java engineer delivering AI-augmented production features and modernizations across a Java/Python/AWS stack. Pair with engineers to embed agentic practices, own systems end-to-end, participate in AI-augmented reviews, and judge agent use versus human intervention.
Top Skills: Ai-Augmented DevelopmentAWSClaude CodeCursorJavaPython
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