Top Java Developer Jobs in NYC, NY

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 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 backend engineering teams to design, build, test, and deliver cloud-native, AI-enhanced microservice platforms. Drive technical direction, mentor engineers, conduct code reviews, and integrate LLMs and advanced AI tooling to create scalable, personalized omnichannel messaging solutions.

Lead backend engineering efforts to design, build, test, and deploy cloud-native, AI-enhanced microservices. Mentor engineers, drive architecture and technical direction, integrate LLMs and advanced AI tooling, and ensure scalable, performant omnichannel messaging platforms.

Lead technical design and development of secure, scalable backend services. Write and review Java/Spring code, build RESTful Spring Boot microservices, ensure operational stability, drive CI/CD automation, adopt enterprise AI-assisted engineering practices, and lead technical evaluations and communities of practice.

Design, develop, test, and maintain secure, high-quality Java-based microservices on AWS. Produce architecture and design artifacts, troubleshoot complex technical issues, analyze large datasets for improvements, and contribute to team best practices and engineering communities.

Develop, design, and troubleshoot secure, stable, scalable software components using Java/J2EE and AWS. Apply AI-assisted development tools, SDLC practices, microservices, REST APIs, and agile/CI/CD methodologies while ensuring resiliency and security.

Full-stack Software Engineer II delivering secure, scalable Java/Spring Boot and React.js applications. Design, develop, test, troubleshoot components, apply SDLC tools (CI/CD), microservices patterns, and leverage AI and cloud technologies while contributing to team culture.

Design, implement, and operate complex Java/Spring backend services and user-facing features in a microservices, event-driven environment. Ensure production readiness, observability, security, and resilient architectures; author design proposals; participate in code reviews, pair programming, CI/CD, and AI-assisted development workflows.

Design, build, and operate cloud-native, highly scalable distributed backend systems. Own end-to-end delivery of complex backend components, participate in design and architecture reviews, identify and fix performance bottlenecks, mentor junior engineers, and integrate services with messaging systems, databases, containers, and CI/CD pipelines.

Design, develop, and maintain secure, high-quality Java/Spring Boot microservices and REST APIs. Produce architecture and design artifacts, troubleshoot production issues, analyze large datasets to improve systems, ensure application resiliency and CI/CD practices, and contribute to agile team culture and engineering communities.

Design, develop, and maintain secure, high-quality Java/Spring Boot microservices on cloud platforms. Produce architecture artifacts, troubleshoot systems, analyze large datasets to improve applications, and contribute to CI/CD, resiliency, and security practices within an agile team.

Develop, design, and troubleshoot components of business banking applications. Write secure, high-quality full-stack code (Java/Spring Boot/React), work with microservices, REST APIs, and Kafka, apply SDLC and CI/CD practices, analyze data to identify issues, and support application stability and security within an agile team.

Design and deliver secure, scalable full-stack applications using Java/Spring Boot and React. Produce architecture artifacts, develop and maintain production code and microservices, analyze large datasets for improvements, ensure CI/CD, resiliency and security, and contribute to agile engineering practices and communities.

The Technical Lead Java Developer will oversee development, ensure coding standards, coach junior developers, and manage project delivery while working on complex enterprise projects.

Design, develop, test, and maintain Java-based enterprise applications and scalable REST APIs/microservices using Spring Boot. Work with relational databases, unit/integration tests, CI/CD, version control, and participate in Agile ceremonies. Support cloud deployments, debugging, code reviews, and collaborate with cross-functional teams.

Develop and maintain the Equity Finance trading application using Core Java. Perform system analysis, coding, testing (TDD/BDD), debugging, and implementation. Collaborate with traders and global teams, mentor mid-level developers, manage project delivery, and ensure compliance with risk and regulatory controls.

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.

Lead design, develop, and maintain secure, scalable Java 17+ backend services using Spring Boot and microservices. Drive AI-assisted engineering adoption, ensure operational stability, automate remediation, lead technical evaluations, and coach teams on secure, responsible AI and best SDLC/CI/CD practices.

Lead and deliver secure, scalable backend services on an agile team: design and implement Java/Spring Boot REST APIs, build low-latency Kafka data pipelines, provision AWS infrastructure with Terraform, mentor engineers, and drive architecture and SDLC best practices.

Develop, maintain, and support enterprise Java/Java EE applications for the CITYTIME system. Manage full SDLC, write and test clean code, optimize for performance and scalability, troubleshoot production issues, integrate rule-engine logic, collaborate with cross-functional teams, and document technical designs.

Designs, develops, debugs, and maintains secure, scalable Java/Spring microservices. Produces architecture artifacts, implements CI/CD and testing, leverages enterprise AI-assisted development tools, and analyzes data to improve code quality, resiliency, and system architecture.

Designs, develops, tests, and maintains secure, scalable Java-based applications. Produces architecture artifacts, implements automated unit tests, analyzes large datasets, and improves system resiliency within agile teams.

Design, develop, prototype, and test Java/J2EE subsystems and server-side applications. Lead a small development team, coordinate with offshore engineers, interface with stakeholders to align system and project objectives, and manage day-to-day development activities. Must have strong Java concurrency/multithreading expertise.

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