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Senior Java Full Stack Developer

THIS IS A W2 ROLE, ANY VISA IS FINEHIRING LOCALS ONLY Senior Java FSD Developer
Job Title: Senior Java FSD Developer
Location: New York, NY (Onsite)
Pay Rate: $55/hr W2Experience Level: 12+ years
Top 3 Skills Required Java, SpringBoot, Microservices, REST APIs, API Integration, Kafka, ReactJS, TypeScript, JavaScript, WebSockets, & NodeJSAgile methodologies such as CI/CD & experience with service workers, Grafana, Splunk, Dynatrace Commercial Banking knowledge a plus Required Qualifications & Skills 12+ years professional software engineering experience; 3+ years architecting cloud-native services on AWSExpert in Java 11+/17/21, SpringBoot, REST, JSON, OpenAPI, and asynchronous messaging (SNS/SQS/Kafka) Strong with integration patterns (sync/async), API versioning, backwards compatibility, schema evolution, and contract testing (Pact/WireMock) Deliver production-grade solutions by integrating agentic AI, LLMs/SLMs, MCP, RAG, agent orchestration frameworks, and automation Build end-to-end capabilities across a cloud-native stack — React + TypeScript/JavaScript on the front end and Java/Spring Boot microservices on the back end Establish strong engineering practice through CI/CD pipelines (e.g., Jenkins, Spinnaker), automated testing and load testing (e.g., BlazeMeter), and production observability/monitoring (e.g., Splunk, Dynatrace) Design, deploy, and operate scalable, event-driven microservices on AWS using Docker, Kubernetes, serverless compute, and messaging patterns Partner with product, design, data, architecture, and risk/control stakeholders to deliver secure, stable, and scalable AI solutions Proficient with SQL (PostgreSQL/MySQL/Aurora) and at least one NoSQL (DynamoDB/DocumentDB); caching with Redis Proficient in CI/CD, IaC (Terraform/CloudFormation), Docker, and container orchestration (ECS/EKS) Solid observability (logs, metrics, traces) and performance tuning (JVM, DB, API latency, throughput) Security-first mindset: IAM, KMS, Secrets Manager, WAF, CORS, CSP, input validation Excellent communication, stakeholder management, and mentoring skills
Role Overview:
  • Seeking a hands-on Lead Java FSD who can build and scale API-first platforms and integration with AI-assisted and/or AI-First approach.
  • Technical Core & Responsibilities
  • Build and scale API-first platforms with AI-assisted and/or AI-First approach
  • Architect cloud-native services on AWSIntegrate agentic AI, LLMs/SLMs, MCP, RAG, and agent orchestration frameworks
  • Build end-to-end capabilities across a cloud-native stack (React + TypeScript front end; Java/Spring Boot microservices back end)
  • Design, deploy, and operate scalable, event-driven microservices on AWSImplement CI/CD pipelines, automated testing, load testing, and observability
  • Partner with product, design, data, architecture, and risk/control stakeholders
Preferred Skills:
  • Experience with micro frontends, CEN/XFS APIs, Terraform
  • Exposure to Java, Spring Boot, RESTful, DynamoDBExperience with Datadog, CloudWatch, Open
  • TelemetryKnowledge of AI-assisted coding tools (e.g., Copilot, Claude, GitHub Copilot) and prompt engineering for LLMsPython experience for LLM engineering and data processing
  • Commercial Banking knowledge
  • NoteOnsite in New York, NY12+ years experience required
  • Java, SpringBoot, Microservices, REST APIs, Kafka, ReactJS, TypeScript, and NodeJS experience requiredAWS cloud-native services experience required
  • Agentic AI, LLMs/SLMs, MCP, RAG, and agent orchestration experience requiredCI/CD, Docker, Kubernetes, and IaC experience required
  • Commercial Banking knowledge is a plus