Top Senior Java Engineer Jobs in NYC, NY

Lead and mentor a team of engineers to design, implement, and maintain scalable, enterprise-grade services. Drive architecture decisions, conduct code and architecture reviews, define testing strategies, collaborate cross-functionally, engage with clients on complex technical issues, and continuously improve development processes and tooling.

As a Senior Software Engineer at Squarespace, you will build scalable backend services, write clean and efficient code, and contribute to architecture discussions while collaborating with cross-functional teams.

Design and implement AI workflows for Clear Street's trading platform. Collaborate with teams, create reusable libraries, and ensure model quality.

Lead design, development, and delivery of frontend and backend web applications; provide technical architecture and leadership; collaborate across teams; implement Angular frontends with API-first backends; ensure scale, resilience, testing, and support; drive product roadmap, stakeholder management, and continuous improvement.

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.

The Senior Java Developer will architect, build, and maintain backend systems for trading, leading development with a focus on high performance and multi-threading.

Develop and maintain applications using Java and related technologies, while also working with Angular JS and Node JS frameworks.

Manage pricing applications and drive system analysis and programming for financial services. Collaborate with trading desks to enhance P&L accuracy.

Leads the entire application lifecycle, translating requirements into solutions, designing, developing, testing, and implementing technology solutions aimed at improving operations.

The Senior Software Engineer, Java - Technical Lead will lead software development, architecture decisions, and mentorship in building scalable IT operations solutions.

The Senior Software Engineer will develop scalable software solutions, commit code, and implement design patterns, ensuring high-quality applications for NinjaOne's IT Operations product suite.

The role involves improving Elasticsearch's distributed components, maintaining cluster coordination systems, and addressing complex issues to optimize performance and scalability.

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

The Senior Java Developer will design, code, and document Java applications for Point-of-sale systems and Pharmacy Benefit Management platforms, working independently and mentoring junior developers.

The Senior Java Developer will design and implement Java services for trade capture and position calculation, conduct design reviews, and mentor junior engineers while supporting production incidents in a global team setting.

Develop software for banking products, ensure high-quality code in line with system architecture, mentor team members, and participate in Agile processes.

The Senior Java Developer will design and develop core Java applications, mentor team members, collaborate with global teams, and ensure code quality and adherence to standards.

Design and develop enterprise-class Java applications, implement web services, and provide production support while utilizing Agile methodologies.

The role involves designing and developing software solutions, collaborating with teams, ensuring code quality, and influencing decision-making in a fast-paced environment at Barclays.

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.

This role involves analyzing and implementing optimized GPU algorithms for vector search, improving high-level integration, and driving performance analysis.

The Senior Software Engineer will develop and maintain big data applications, focusing on distributed computing, automation, and collaboration with teams to enhance healthcare solutions.

The role involves designing and developing scalable AI systems using Java and Spring Boot, integrating AI capabilities, and collaborating with cross-functional teams to enhance workflows.

The Sr. Software Engineer will design and develop Java-based services in federal and AWS environments, collaborating within an Agile team for system reliability and optimization.

As a Tech Lead, you will spearhead the backend tech vision, mentor junior engineers, collaborate with teams, and improve Java Spring Microservices.