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Lead Java Full Stack Developer at New York

IPolarity LLC · Whippany, NJ, US

Spotted 7h ago

Job details

Work mode
On-site
Level
Staff / principal
Experience
12+ years
Posted
Nov 4, 2026
Last confirmed open
Nov 4, 2026
Job description

About this role

HIRING: Lead Java Full Stack Developer

Location: New York (Onsite)

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.

Key Responsibilities & Technical Requirements:

✅ 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.
Interested in this role?Continue on IPolarity LLC's careers page.
Apply on IPolarity LLC