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66 core java software engineer jobs at 28 companies in Staten Island, NY

3w
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Core Java Developer - Trading / Securities Lending - Vice President
New York, New York, United States
$142k-$213k/yr HybridFull Time
Citi
CitiNYSE: C: Global financial services organization enabling growth and economic progress.
6+ YOE6+ years applications development experience with Core Java; experience with Kafka, SQL, Git; QA/TDD/BDD practices; ability to work across geographies and with traders.
Java, Kafka, SQL, Git, React
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3w
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Core Java Developer - Trading / Securities Lending - Vice President
New York City, New York, United States
$142k-$213k/yr HybridFull Time
Citi
CitiNYSE: C: Global financial services organization enabling growth and economic progress.
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
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2mo
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Software Engineer- Core
Tel Aviv-Yafo or New York City
OnsiteFull Time
Vega
Vega: Private cybersecurity providing an AI-native security analytics platform for enterprise security operations teams.
5+ YOE5+ years backend/data systems experience; proficiency in Rust, Java, or C/C++; strong low-level systems knowledge (memory, file formats, threading, profiling) and ownership of end-to-end technical decisions.
Rust, Java, C, C++, SIEMs
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4d
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Staff Software Engineer - Core Experience
New York City or San Francisco
$189k-$315k/yr HybridFull Time
Rippling
Rippling: Unified workforce management platform for HR, IT, and Finance.
8+ YOE8+ years of software engineering experience with strong backend systems expertise, systems design, scalability, fault tolerance, data modeling, and proficiency in a modern backend language such as Python, Go, or Java.
Python, Go, Java, SQL, NoSQL, Slack, Microsoft 365
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Core Java Developer - Trading / Securities Lending - Vice President
New York, New York, United States
$142k-$213k/yr HybridFull Time
Citi
CitiNYSE: C: Global financial services organization enabling growth and economic progress.
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
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2mo
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Senior Software Engineer, Core
New York or London or Singapore or Cyprus
$250k-$275k/yr HybridFull Time
Talos
Talos: Talos is a private financial-technology providing institutional digital-asset trading, portfolio-management, and market-data software to global institutions.
7+ YOE7+ years backend engineering experience with systems languages (Go, C++, Java, Rust). Deep distributed systems ownership, low-latency messaging (Aeron), API layers (FIX, WebSocket, REST), and strong systems-level fundamentals.
Aeron, Chronicle, LMAX Disruptor, ZeroMQ, FIX, WebSocket, REST, Go, C++, Java, Rust
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2w
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Senior Java Engineer
New York City, New York, United States
$130k-$150k/yr HybridFull Time
RE Partners
RE Partners: Woman-owned business technology consulting firm delivering application development, enterprise modernization, and engineering services to global brands.
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
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Java Developer
Charlotte or Pennington or Plano
$62k-$103k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Global leader in next-generation digital services and consulting.
Experience with Core Java, Spring Boot, RESTful services, Oracle PL/SQL, J2EE, JSP/Hibernate, JavaScript; bachelor's degree or equivalent experience; production support and SDLC experience.
Java, Core Java, J2EE, Spring Boot, Oracle, PL/SQL, RESTful web services, JSP, Hibernate, JavaScript, AWS, GCP, Azure, WebSphere, JBoss
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2w
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Java Scala Developer
Jersey City or Pennington
$76k-$127k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Global leader in next-generation digital services and consulting.
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
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3mo
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Software Development Engineer - Cybersecurity, SBS Core Engineering
New York, New York, United States
$158k-$214k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
3+ YOE3+ years software development and architecture design; experience with multi-tier distributed systems; Bachelor's in CS/Engineering/Mathematics; proficiency in C#, C++, Java, or Perl.
C#, C++, Java, Perl
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1mo
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Core Java Application Support Engineer
Charlotte or Scottsdale or New York City or Morristown
$44-$54/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
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
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2mo
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Senior Java Developer - Rates Derivatives Algo & E-Trading
New York, New York, United States
$155k-$215k/yr OnsiteFull Time
Morgan Stanley
Morgan StanleyNYSE: MS: Global financial services firm providing investment and banking solutions.
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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1mo
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Senior Software Engineer
New York, New York, United States
OnsiteContract
Mphasis
MphasisNSE/BSE: MPHASIS: A global provider of information technology and consulting services.
15+ YOERequires a BS in computer science, engineering, or related field; 15 years of Core Java experience; Spring, REST, Gradle, MQ, testing, Git, Jenkins, Agile, and DevOps expertise.
Java, JavaScript, HTML5, Gradle, Spring, Spring Boot, Spring Batch, IBM WebSphere MQ Series, Kafka, REST, SOAP, JUnit, Concordion, Cucumber, Gherkin, Git, Jenkins, Hazelcast, WebSockets
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2mo
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Senior Java Developer - Rates Derivatives Algo & E-Trading
New York, New York, United States
$155k-$215k/yr OnsiteFull Time
Morgan Stanley
Morgan StanleyNYSE: MS: Global financial services firm providing investment and banking solutions.
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
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3w
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Software Engineer
Basking Ridge, New Jersey, United States
$112k-$179k/yr OnsiteFull Time
Peraton Labs
Peraton Labs: Private applied research organization developing cybersecurity, communications, electronic-warfare, mobility, and analytics technologies for government and commercial customers.
5+ YOEBachelor\u0002s degree in CS/CE/EE/applied math/physics, expertise in C/C++/Java/Python/Go, Linux/MacOS/Windows knowledge, networking and modern dev toolset experience, US citizenship, active Secret clearance (TS/SCI attainable).
C, C++, Java, Python, Go, Linux, MacOS, Windows, Git, subversion, CI/CD, GHIDRA, Hex-Rays IDA, Binary Ninja, Angr, Cuckoo sandbox, OllyDBG, WinDbg, Metasploit, Cobalt Strike, CORE, EMANE, MiniNet, Docker, Docker Swarm, Kubernetes, Terraform, AWS, Azure, OpenStack
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2w
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Custom Software Engineer - 6427205
Charlotte or Morristown or New Jersey
$53-$63/hr HybridFull Time, Contract
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
6+ YOERequires 6+ years of work experience, bachelor's degree, master proficiency in Core Java, and 60% onsite client work in Charlotte or New Jersey. Expertise in custom application development and software engineering preferred.
Core Java
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3w
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Software Engineer
Basking Ridge, New Jersey, United States
$112k-$179k/yr OnsiteFull Time
Peraton Labs
Peraton Labs: Private applied research organization developing cybersecurity, communications, electronic-warfare, mobility, and analytics technologies for government and commercial customers.
Bachelor's in CS/CE/EE/Math/Physics or related; 5 years experience with BS (3 with MS,0 with PhD); expertise in C/C++/Java/Python/Go; Linux/Windows/MacOS knowledge; Git/subversion and CI/CD; US citizenship and active Secret clearance with ability to obtain TS/SCI.
C, C++, Java, Python, Go, Linux, MacOS, Windows, Git, subversion, CI/CD, GHIDRA, Hex-Rays IDA, Binary Ninja, Angr, Cuckoo sandbox, OllyDBG, WinDbg, Metasploit, Cobalt Strike, CORE, EMANE, MiniNet, Docker, Docker Swarm, Kubernetes, Terraform, AWS, Azure, OpenStack
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1d
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Senior Software Engineer - Vector Search - Elasticsearch
United States or Seattle or Los Angeles or California or New York City
$133k-$211k/yr RemoteFull Time
Elastic
ElasticNYSE: ESTC: Search AI platform for search, observability, and security.
Requires novel vector similarity or information retrieval experience, search or vector database expertise, core Java skills, scalable algorithms, autonomous project ownership, and collaborative software development experience.
Elasticsearch, Lucene, GitHub, Zoom, Slack, Java, HNSW, IVF, Solr, PostgreSQL, MongoDB, Cassandra
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Software Engineer II-Hybrid Role
Greenwich, Connecticut, United States
HybridFull Time
Payarc
Payarc: Payment processing and merchant services technology serving merchants, ISOs, agents, and SaaS platforms.
2+ YOERequires 2–4 years of software development experience, a bachelor's degree or equivalent, proficiency in a core language/framework, RESTful APIs, relational databases, Git/GitHub, and strong analytical skills.
PHP, Laravel, Nova, Apiato, Java, C#, Python, Go, C++, JavaScript, React, Angular, jQuery, HTML5, CSS3, LESS, SASS, Material Design, Kotlin, Swift, Objective-C, React Native, Flutter, Retrofit, OkHttp, Firebase, MySQL, Oracle, Firebird, Amazon Web Services (AWS), Git, GitHub, Docker, Kubernetes, TensorFlow, PyTorch, scikit-learn, JIRA, Confluence, Crashlytics, New Relic, Azure, GCP, TDES, DUKPT, PAX, AMP, Magtek
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4w
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Sr. Developer - Automation Core
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Biotechnology discovering and developing life-transforming medicines.
3+ YOE3+ years software development for life‑sciences R&D or lab informatics; proficiency in Java and Python; experience with LIMS/ELN (Sapio/Benchling/Dotmatics); AI/GenAI and data integration experience.
Sapio, Benchling, Dotmatics, Java, Python, LangChain, LlamaIndex, Claude/Anthropic APIs, OpenAI APIs, TetraScience, HighRes Cellario, Docker, Kubernetes, Jenkins, GitHub Actions, Spotfire, Tableau, Microsoft Power BI, Jupyter notebooks
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