Lead Java Full Stack Developer at New York
IPolarity LLC•Hanover Township, NJ
•$50 - $50•Onsite
About The Position
New York-based onsite role for an experienced, hands-on Lead Java Full Stack Developer. The position focuses on designing, building, and scaling enterprise-grade, API-first platforms using modern Java technologies, AWS cloud services, and AI-driven solutions. The role calls for technical leadership and architectural ability, independent delivery of scalable enterprise solutions, communication and stakeholder management, mentoring developers, cross-functional collaboration, and translating business requirements into secure, scalable technical solutions.
Requirements
- 12+ years of professional software engineering experience.
- Strong expertise in Java 11, 17, or 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.
- Strong technical leadership and architectural skills.
- Excellent communication and stakeholder management skills.
- Ability to independently design and deliver scalable enterprise solutions.
- Experience mentoring developers and collaborating with cross-functional teams.
- Ability to translate business requirements into secure, scalable technical solutions.
- Experience with API versioning, schema evolution, and contract testing tools such as Pact and WireMock.
- Experience with production monitoring and observability using Splunk, Dynatrace, Grafana, and CloudWatch.
- Experience with performance tuning, JVM optimization, and application scalability.
- Knowledge of security practices including IAM, KMS, WAF, OAuth, and secrets management.
- Experience with AI-assisted coding tools such as GitHub Copilot and Claude.
Nice To Haves
- Python experience for AI/LLM engineering.
Responsibilities
- Design, build, and scale enterprise-grade, API-first platforms.
- Design and develop microservices and API integrations.
- Independently design and deliver scalable enterprise solutions.
- Mentor developers and collaborate with cross-functional teams.
- Translate business requirements into secure, scalable technical solutions.
- Provide technical leadership and architectural direction.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
