> Markdown version of [/jobs/ext/4612989-lead-java-full-stack-developer-at-new-york](https://www.wearedevelopers.com/jobs/ext/4612989-lead-java-full-stack-developer-at-new-york). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Java Full Stack Developer at New York - **Company:** Ipolarity LLC - **Location:** Hanover, NY, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Continuous Integration, Amazon DynamoDB, Identity and Access Management, Java Virtual Machine (JVM), JSON, Python (Programming Language), Key Management, PostgreSQL, Enterprise Messaging Systems, MySQL, Node.Js, NoSQL, OAuth, Performance Tuning, Software Engineering, Spinnaker, SQL Databases, TypeScript, Management of Software Versions, WebSocket, Openapi, GitHub Copilot, ReactJS, Retrieval-Augmented Generation, Large Language Models, Grafana, Multi-Agent Systems, Spring-boot, Agentic-AI, Event Driven Architecture, Kubernetes, Deployment Automation, Apache Kafka, Front End Software Development, Claude, Api Design, Cloudwatch, Restful APIs, Amazon Simple Queue Service (SQS), Terraform, Splunk, Dynatrace, Api Management, Serverless Computing, Docker, Jenkins, Microservices - **Published:** November 7, 2026 - **Apply:** https://www.thejobnetwork.com/job/7e21aa0d-759a-482b-bf57-3686a4fd51c0/lead-java-full-stack-developer-at-new-york ## About the Role 12+ years of professional software engineering experience. Strong expertise in Java 11/17/21, Spring Boot, REST APIs, JSON, and OpenAPI. Extensive experience designing and developing Microservices and API integrations. Strong frontend development experience with ReactJS, TypeScript, JavaScript, Node.js, and WebSockets. Hands-on experience with event-driven architecture and messaging platforms such as Kafka, AWS SNS, and SQS. Strong AWS cloud-native architecture and development experience. Experience with Agentic AI, LLMs/SLMs, MCP, RAG, and AI orchestration frameworks. Experience with Docker, Kubernetes, ECS/EKS, and serverless computing. Strong understanding of CI/CD pipelines, Jenkins, Spinnaker, Terraform, and automated deployments. Experience with SQL and NoSQL databases, including PostgreSQL, MySQL, Aurora, DynamoDB, and DocumentDB. Additional Skills: API versioning, schema evolution, contract testing (Pact/WireMock). Production monitoring and observability using Splunk, Dynatrace, Grafana, and CloudWatch. Performance tuning, JVM optimization, and application scalability. Security practices including IAM, KMS, WAF, OAuth, and secrets management. AI-assisted coding tools such as GitHub Copilot and Claude. Python experience for AI/LLM engineering is a plus. What We Are Looking For: Strong technical leadership and architectural skills. Ability to independently design and deliver scalable enterprise solutions. Excellent communication and stakeholder management skills. Experience mentoring developers and collaborating with cross-functional teams. Ability to translate business requirements into secure, scalable technical solutions. ## Description We are looking for an experienced, hands-on Lead Java Full Stack Developer to design, build, and scale enterprise-grade, API-first platforms using modern Java technologies, AWS cloud services, and AI-driven solutions.