Top Java Full-Stack Engineer Jobs in NYC, NY

Develop and maintain full-stack cloud-native applications using Java, Spring Boot, Spring Cloud, TypeScript, and AWS. Responsibilities include designing microservices, agentic workflows, APIs, infrastructure as code, reactive systems, performance testing, and operational troubleshooting. The role also requires responsible use of AI-assisted development tools, secure coding, application resiliency, and agile delivery practices.

Lead development of full-stack cloud-native applications using Java, TypeScript, Spring Boot, Spring Cloud, and AWS. Responsibilities include designing microservices, APIs, agentic workflows, reactive systems, infrastructure as code, CI/CD, observability, databases, and performance testing. The role also leads responsible adoption of AI-assisted engineering tools, coaches teams on secure validation practices, and troubleshoots multi-agent environments.

Develop and support full-stack applications for prime brokerage and securities financing using Java, Scala, and Angular. Responsibilities include software design, development, testing, troubleshooting, production deployment, technical analysis, and system support. The role requires collaboration with global technology teams and trading and operations users, applying test-driven development and engineering best practices. Candidates will work with JVM technologies, databases, CI tools, Unix/Linux environments, and AI-assisted development tools in an agile environment.

Develop and support scalable full-stack cloud applications using Java, TypeScript, DB2, Snowflake, and AWS services. Translate stakeholder requirements into technical solutions, lead implementation initiatives, configure and deploy AWS infrastructure, and ensure testing, resiliency, and high availability. Collaborate independently with business users and Agile teams while using AI-assisted development tools to improve productivity and code quality.

Lead full‑stack development for hedge fund technology: gather requirements, design and implement Java/Python/React applications, support AWS/Terraform infrastructure and RDS databases, drive AI‑assisted engineering practices, mentor engineers, integrate third‑party vendor systems, and ensure secure, scalable, test‑driven delivery.

Develop and maintain high-performance Java applications across web, mobile, and enterprise systems. Responsibilities include designing software, integrating front-end technologies, working with Spring and Hibernate, managing relational databases, writing tests, debugging issues, and contributing to Agile/Scrum development. The role also involves using build tools, Git, cloud and DevOps technologies, coding standards, design patterns, and continuous improvement practices.

Build Java and JavaScript services that ingest public health IT data, monitor FHIR endpoints, validate resources, and create reproducible compliance evidence cases. Responsibilities include developing REST services, AWS/DynamoDB data models, deterministic validators, endpoint monitoring, scheduling, retries, rate limiting, audit logging, testing, and documentation. The role requires protecting against collection of patient data, PHI, credentials, and tokens while supporting replayable and human-reviewed validation workflows.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, Node.js, PostgreSQL, microservices, and REST APIs. Build CI/CD pipelines, integrations, observability, and secure distributed systems while troubleshooting production issues and improving performance. Collaborate with Product, UX, QA, DevOps, Architecture, and clients throughout delivery.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, and Node.js. Build REST APIs, microservices, PostgreSQL data models, integrations, CI/CD pipelines, and containerized deployments. Improve application reliability, observability, security, performance, and scalability while troubleshooting production issues. Collaborate with Product, UX, QA, DevOps, Architecture, and engineering teams through design sessions, code reviews, planning, and client-facing workshops.

Build enterprise workforce management software for forecasting, capacity planning, scheduling, adherence, intraday management, and operational reporting. Develop Java and Spring Boot microservices, React and TypeScript applications, REST APIs, event-driven integrations, and PostgreSQL data models. Support cloud-native deployments, CI/CD, testing, performance optimization, production troubleshooting, and technical design. Integrate WFM capabilities with CX, ACD, HR, payroll, identity, and data platforms while collaborating with cross-functional and client stakeholders.

Build and enhance production-grade full-stack applications using React, Java, and/or Python. Develop scalable microservices and RESTful services, resolve performance and architectural issues, and deliver high-throughput, low-latency systems in cloud environments. Collaborate in Agile teams, use modern development and CI/CD practices, apply AI-assisted development tools, and mentor engineers while owning implementation across the application stack.

Leads full-stack engineering projects and developer teams building cloud-based, distributed microservices and customer-facing systems. Responsibilities include defining service boundaries, developing APIs and reusable frameworks, applying AWS and modern programming technologies, improving performance, reducing technical debt, setting engineering standards, mentoring engineers, and guiding Agile teams. The role also influences technology strategy, promotes operational excellence, and leverages emerging AI tooling and observability practices.

Build and lead development of Capital One Travel’s unified checkout and My Trips platform. Design scalable full-stack applications, distributed microservices, APIs, cloud-based solutions, and reusable frameworks using modern languages and AWS technologies. Provide technical leadership across Agile teams, establish engineering standards, mentor developers, improve performance, reduce technical debt, and influence long-term technology strategy.

Leads software engineering projects and developer teams building distributed microservices, full-stack systems, and cloud-based solutions for Capital One Travel. Responsibilities include architectural design, technical leadership, platform strategy, refactoring, performance optimization, regulatory support, mentoring, and collaboration with product managers and engineering teams. The role uses Java, Scala, AWS, modern databases, container orchestration, APIs, CI/CD, infrastructure as code, and observability practices.

Build enterprise workforce management software for forecasting, capacity planning, scheduling, adherence, intraday management, and reporting. Develop Java and Spring Boot microservices, React and TypeScript applications, REST APIs, event-driven workflows, integrations, and PostgreSQL data models. Support cloud-native deployments, CI/CD, testing, performance optimization, production troubleshooting, and technical design. Collaborate with product, operations research, QA, DevOps, UX, and client stakeholders.

Develop secure, scalable full-stack applications using Java, Spring Boot, microservices, REST APIs, AWS, Docker, and Kubernetes, while leading Angular frontend architecture and development. Build responsive interfaces with Angular, TypeScript, NgRx, RxJS, and Angular Material. Contribute across the software development lifecycle, including design, testing, automation, troubleshooting, and deployment. The role requires enterprise architecture experience, Agile collaboration, and mandatory fraud prevention domain expertise.

Build secure, scalable full-stack applications using Java, Spring Boot, microservices, REST APIs, AWS, and Angular. Develop responsive user interfaces, integrate APIs, implement authentication and authorization, design distributed architectures, and support testing, troubleshooting, and automation. The role requires mandatory fraud prevention domain experience and collaboration within Agile engineering teams.

Build and maintain AI-assisted full-stack platforms for manufacturing, spanning AWS infrastructure, Python Lambda services, Java microservices, agentic LLM workflows, and Angular interfaces. Develop event-driven architectures, APIs, retrieval and scoring systems, infrastructure as code, observability, CI/CD, and secure deployment strategies. Apply rigorous testing, specification-driven development, concurrency practices, and production reliability techniques across multi-repository systems. The role requires hands-on software development experience with enterprise server, storage, or networking products.

Design, build, and deploy secure, high-performance, scalable cloud-native applications supporting Ariba P2P. Work full-stack in Java using Spring Boot and the SAP BTP Cloud Foundry CAP (Java) model, applying resiliency, security, and performance best practices.

Develop and maintain Java applications, RESTful services, and Angular frontends using Spring Boot and NgRx. Deploy applications to cloud platforms, practice TDD, manage CI/CD with Jenkins, and work with Oracle and PostgreSQL databases. Participate in agile processes, collaborate with cross-functional teams, mentor engineers, and independently lead technical initiatives and feature delivery.

Design, develop, test, deploy, and support scalable cloud-native applications using Java, Spring Boot, React, TypeScript, Node.js, PostgreSQL, and microservices. Build REST APIs, integrations, CI/CD pipelines, containerized deployments, and observable production systems. Collaborate with Product, UX, QA, DevOps, Architecture, and engineering teams while troubleshooting issues and improving application performance, resilience, and maintainability.

Build and maintain Java backend services, REST APIs, and full-stack web application features. Develop frontend functionality with modern JavaScript frameworks, use Python for supporting work, and leverage AI coding tools such as Claude Code. Write tests, debug issues, support deployment and maintenance, and collaborate on design decisions, code reviews, and application quality improvements.

Build and operate cloud-native, AI-enabled applications for a financial services client. Develop React and TypeScript/JavaScript front ends with Java and Spring Boot microservices, deploy scalable AWS-based systems, integrate LLMs, RAG, MCP, and agent frameworks, maintain CI/CD pipelines, conduct automated and performance testing, and implement observability, security, and reliability practices. Collaborate with cross-functional stakeholders and troubleshoot production issues while working fully onsite.

Design, develop, test, deploy, and support scalable cloud-native workforce management and customer experience applications. Build Java and Spring Boot backend services, React and TypeScript interfaces, Node.js components, REST APIs, microservices, PostgreSQL data models, integrations, and CI/CD pipelines. Contribute to containerized cloud deployments, observability, security, performance optimization, production troubleshooting, and cross-functional technical collaboration.

Design, develop, test, deploy, and support scalable cloud-native Workforce Management, Customer Experience, and operational applications. Build Java and Spring Boot backend services, React and TypeScript frontends, REST APIs, microservices, PostgreSQL data models, and system integrations. Contribute to containerization, Jenkins CI/CD, observability, security, production troubleshooting, performance improvements, and cross-functional engineering collaboration.