Top Senior Java Engineer Jobs in NYC, NY

Design, build, and maintain large-scale, cloud-native microservices and data pipelines for risk platforms. Write quality Java code, implement unit and automation tests, create CI/CD pipelines, perform refactoring, ensure availability, and collaborate across teams to improve scalability, reliability, and deployment automation.

Architect, implement, and optimize live and on-demand streaming pipelines in Wowza. Design scalable transcoding and packaging workflows, debug performance issues, integrate native code via JNI, and serve as a streaming subject-matter expert across cross-functional projects.

Designs, implements, and runs Java Spring Boot microservices and REST APIs; leads design, CI/CD, TDD, performance tuning, security, and cross-product collaboration. Coaches teams and owns product KPIs and production support.

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.

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, 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.

The role requires a senior developer with expertise in Java and C++, and knowledge of Python. Responsibilities include designing and developing multi-tier applications and handling regulatory projects.

The role involves design and development of multi-tier applications using Java and C++, requiring knowledge of Python and derivatives domain.