Top Senior Java Developer Jobs in NYC, NY

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.

Design, build, and maintain scalable Java/Spring Boot microservices and responsive front-end applications (React preferred). Implement APIs, ensure security and observability, optimize performance, write automated tests, contribute to CI/CD, and collaborate within Agile teams to deliver production-grade, cloud-deployed systems.

Lead development and maintenance of an e-trading rates derivatives platform. Design architecture, implement business logic and services, own features from requirements through rollout, fix bugs, build QA automation and frameworks, partner with business leaders, and recommend tools and processes to optimize engineering delivery.

The role involves developing and enhancing a margin calculation platform, resolving complex problems, and mentoring developers. Emphasis on collaboration and delivering robust software solutions within finance operations.

Lead the development of a margin calculation engine, ensuring scalability and performance, while mentoring junior developers and driving technical standards.

This role involves designing and implementing scalable Java applications for margin calculations in finance, leading problem resolution, and mentoring developers.

Design, develop, and improve high-quality software solutions, ensuring collaboration, adhering to secure coding practices, and leading architectural decisions in Capital Markets technology.

Lead design and delivery of the WEX Bill Pay platform services. Define architectural roadmap, drive implementation and reuse across teams, champion testing/automation, ensure security and compliance, mentor engineering teams, and improve time-to-market through efficient engineering practices.

The Lead Java Software Engineer will develop and maintain distributed software solutions for security settlements, collaborating with various stakeholders and leading a development team.

Responsible for leading requirements analysis, creating solution design documents, developing scalable Java solutions, and maintaining ongoing solutions optimization.

Develop and maintain web applications using GWT, Java and J2EE. Collaborate with team to implement features, troubleshoot issues, and integrate with backend systems. Familiarity with Spring, Hibernate and SQL is desired.

Develop, support and integrate Vertex tax applications using Java/J2EE. Perform design reviews, deployments, troubleshooting, on-site client support, and 24x7/beeper escalation. Work with Vertex Central components, web services, databases, application/web servers, and integration tools to resolve customer issues and implement packaged n-tier systems.

Design and develop scalable applications, collaborate in Agile teams, and utilize various technologies like Java, React, and AWS.

Design, build, and optimize microservices and applications. Collaborate with teams, ensuring performance and compliance while driving financial solutions.

Design, build, and maintain low-latency, high-availability backend services and REST APIs. Troubleshoot production issues, improve performance, write technical specs, participate in on-call rotations, and collaborate on the bot runtime platform.

The Senior Software Engineer will develop APIs and microservices for Disney's commerce platforms, collaborating with product teams and overseeing the end-to-end software development lifecycle.

The Senior Software Engineer is responsible for designing and coding backend services for tier-1 systems, collaborating with teams, and driving technical direction for Disney's media products.

Lead Software Engineer responsible for technical leadership, project management, and developing financial software solutions. Focus on Direct Indexing and cloud-native technologies, mentoring developers, and ensuring scalable services.

Design and develop backend systems for a trading platform, implement low-latency components, collaborate with teams, and maintain automated test suites.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.

Design, develop, and maintain scalable Java backend services and RESTful APIs. Collaborate with frontend, product, and stakeholders; write clean, tested code; troubleshoot and resolve issues; participate in code reviews; and improve systems, particularly for large-scale distributed environments.

Design, develop, and maintain high-performance Java microservices using Spring Boot. Implement threading/concurrency, fault tolerance (Hystrix/circuit breakers), observability (SLI/SLO), event-driven solutions with Kafka, and deploy on Kubernetes/AWS. Mentor junior developers and collaborate with cross-functional teams.

Design and implement large-scale data applications using Java, Spark, and MapReduce within Cloudera/Hadoop ecosystems. Integrate Hive, Impala, YARN, and Kafka, perform data analysis, write tests (JUnit), use scripting, and manage global technology teams following industry best practices.

Develop and migrate legacy IBM DataPower MQ and SOAP integrations to cloud-native Spring Boot microservices. Build RESTful APIs, implement security (OAuth2/JWT), integrate Kafka and IBM MQ, write tests, optimize performance, and collaborate with architects, DevOps, and QA during deployment and troubleshooting.