Top Senior Java Engineer Jobs in NYC, NY

Design, develop, unit test and maintain features for a business-critical website as a full-stack developer. Collaborate with product owners, security, QA and stakeholders within a SAFe agile team. Follow release/build/configuration management and project governance, maintain documentation, and work on microservices and front-end technologies.

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.

Design, develop, and maintain scalable backend systems and microservices (payments, treasury, transactions, crypto). Build REST APIs, use Java and Postgres, apply Spring Boot, TDD, DDD, and CI/CD to deliver maintainable, high-performance services.

Design, develop, and maintain Java-based backend services and APIs for KeeperApp. Own backend components, optimize MySQL schemas/queries, ensure performance and reliability, apply secure coding practices, participate in code reviews, and collaborate with product and engineering teams to deliver features iteratively.

Lead design, development, testing, and maintenance of enterprise Java microservices and front-end applications. Build APIs, CI/CD pipelines, and containerized deployments; troubleshoot production, ensure security/compliance, mentor junior developers, and collaborate within Agile teams.

The Senior Data Engineer will design and implement data processing pipelines using Java and Spark, optimize performance, and mentor junior engineers while ensuring compliance with data governance standards.

Design, build, and maintain scalable enterprise full-stack applications using Java, Spring Boot, microservices, and modern front-end frameworks. Implement cloud-based solutions on AWS, contribute to CI/CD and DevOps automation, optimize performance and security, and integrate AI-driven capabilities using Python and orchestration tools like LangChain and LangGraph.

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.

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

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.

Senior Java developer responsible for designing and building enterprise applications and REST APIs using Core Java, Spring Boot microservices, Spring/Hibernate. Must deliver high-availability, secure, multithreaded systems, work with Oracle PL/SQL, follow agile practices, and collaborate with distributed teams and business users.

Senior Java developer responsible for building enterprise, high-availability REST APIs and Spring Boot microservices. Requires strong Core Java, multithreading, OOP and architectural skills, Spring/Hibernate, Oracle PL/SQL, security practices, Agile experience, and effective communication for collaboration with global teams.

Lead architecture and delivery of large-scale Java microservices. Define standards, mentor teams, design RESTful and event-driven systems, ensure scalability, resiliency, CI/CD, observability, and data governance while collaborating with stakeholders and managing technical risk.

Senior Java Big Data Developer to design and build Big Data applications on Cloudera/Hadoop using Java and Spark/MapReduce. Work with Hive, Impala, YARN, Kafka; perform data analysis, unit testing, and scripting. Lead/manage global technology teams and follow industry practices and standards.

Design, develop, and maintain web applications and RESTful APIs using Java/Spring Boot. Develop and maintain PL/SQL stored procedures and Oracle database logic. Participate across the SDLC, troubleshoot backend and database issues, collaborate with cross-functional teams, and improve development processes and tooling.

Lead architecture and delivery of Java-based microservices, define standards, mentor engineers, collaborate with stakeholders on technology roadmap, ensure scalability, resilience, monitoring, CI/CD, and data governance for large-scale production systems.

Design, develop, and maintain web applications using Java/Spring Boot backends and Angular frontends. Build RESTful APIs, write clean maintainable code, participate across the SDLC, collaborate with cross-functional teams, troubleshoot full-stack issues, and help improve development processes and tools.

Lead architecture and delivery of Java-based microservices at scale. Define standards, mentor teams, drive CI/CD and observability, ensure resilience, performance, and data governance while collaborating with stakeholders and managing technical risk.

Design, develop, and maintain full-stack web applications using Java/Spring Boot backends and Angular frontends. Build RESTful APIs, write clean code, collaborate with cross-functional teams, troubleshoot issues, and participate across the SDLC.

Develop and architect enterprise Java applications using Core Java, multithreading, Spring Boot microservices, REST APIs, Hibernate, and Oracle PL/SQL. Ensure security, high availability, and collaborate in Agile with global teams and business stakeholders.

Lead architecture and delivery of large-scale microservices systems, define standards and roadmaps, mentor engineers, ensure scalability/resilience, oversee CI/CD, observability, data strategy, and cross-functional technical alignment.

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, implement, and maintain Java-based applications to automate financial data reconciliation across relational and NoSQL sources. Build deterministic and heuristic matching algorithms, integrate with rules engines (Drools), handle errors and exceptions, collaborate with analysts and architects to resolve data gaps, and support data governance and quality initiatives.

Lead design and delivery of microservices-based backend systems, define architecture and standards, mentor engineers, drive cloud-native CI/CD and observability, ensure scalability, resilience, data strategy, and align technical solutions with business goals.

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.