Top Java Developer Jobs in NYC, NY

As a Full Stack Java Developer, you will design and maintain scalable applications, develop RESTful APIs, enhance Java applications, and work on frontend components, while collaborating on system architecture and CI/CD processes.

Design and build high-performance Java/Spring Boot backend microservices and event-driven systems for global post-trade accounting. Integrate Snowflake and SQL Server, use Kafka for streaming, and Redis for low-latency caching. Participate in design, code reviews, testing, performance tuning, and cross-functional collaboration; occasionally support light UI updates and automation tasks. Focus on reliability, maintainability, and production readiness.

Lead design and delivery of high-throughput, fault-tolerant backend systems for Aladdin. Build microservices, streaming architectures, and distributed applications; collaborate with product and global teams; apply test-driven development, perform code reviews, and provide production support while mentoring engineers and driving technical roadmap.

Design, develop, and maintain scalable backend services and APIs in Java. Lead technical discussions, collaborate across teams, and mentor junior engineers.

Lead full‑stack engineering teams to build cloud-based, microservices solutions for risk and compliance. Mentor developers, collaborate with product managers, and deliver scalable systems using React, Java, Python, cloud services, containerization, and databases to meet regulatory requirements.

Lead full-stack engineering portfolio and team building cloud-based, microservices solutions. Collaborate with product managers, mentor engineers, adopt emerging technologies, and deliver robust AWS-hosted experiences using modern front-end and back-end stacks, container orchestration, and open-source databases to meet regulatory and customer needs.

Lead a team building distributed microservices and full-stack cloud solutions using JavaScript, Java, Python, Go, React, containers, and AWS. Mentor engineers, collaborate with product managers, drive regulatory-focused technology projects, and experiment with new technologies and AI tooling to improve developer productivity and customer experiences.

The role focuses on delivering technical solutions within the Trading application, involving Java development, problem-solving, and managing project delivery with global teams.

Design, develop, test, and deploy Java/J2EE applications and integrations. Lead implementation planning, gather and specify requirements, mentor junior developers, resolve defects, support production (on-call), and ensure database and SOX-compliant process documentation.

Lead the evolution of a fraud screening platform by integrating Generative AI and machine learning, mentoring teams, and driving solutions in an Agile environment.

The Java Developer will design, develop, test, and deploy full stack applications, implement microservices, optimize databases, and mentor junior developers, requiring 8+ years of Java experience.

Design and optimize low-latency, high-throughput backend systems in payments processing using Java, while leading architectural changes and mentoring peers.

Lead backend engineer responsible for architecting and delivering large-scale distributed microservices for Capital One Travel. Lead projects and mentor developers, collaborate with product teams, design cloud-native solutions using Java/Scala and AWS, and promote shared platform patterns and best practices across stakeholder teams.

Seeking an experienced Java Backend Engineer to design, develop, and maintain backend systems and APIs using modern Java technologies.

The role involves designing and implementing FXall's Trading System User Interface using Java/Swing, focusing on system design, multi-threading, and collaboration with traders.

Develop web scale applications, work with QA for testing, participate in project planning, estimate work scope, and review peers' work.

The Lead Software Engineer will lead technology projects, develop cloud-based solutions, and work with a team to create a messaging platform for Capital One Travel products.

Develop and maintain Java applications using Spring Boot and Spring Batch. Design and integrate microservices, build secure high-performance REST/OData APIs, write JUnit tests, ensure code quality, and optimize SQL database queries.

Design, build, and deploy secure, high-performance, scalable cloud-native applications supporting Ariba P2P. Work full-stack in Java using Spring Boot and the SAP BTP Cloud Foundry CAP (Java) model, applying resiliency, security, and performance best practices.

Develop and maintain Java Spring Boot services with multithreading and Spring Batch. Build OData/REST APIs, write high-coverage JUnit tests, and author SQL queries. Ensure robust exception handling and code quality; collaborate on automation and UI work where needed.

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.

The Core Java Developer will build applications in a Web Sphere environment, collaborate in Agile teams, and ensure high performance and security for applications.

Seeking a Java Engineer with TCP and multicast experience for data-centric projects, including data analytics and messaging.

The role involves developing core Java applications, using Spring frameworks, SQL for database management, and leveraging Hadoop technologies. Requires extensive experience in capital markets, multi-threading, and Unix commands.

The role involves developing applications using Java and Spring, conducting business analysis, and ensuring alignment between technical teams and stakeholders.