W2 ONLY - Need Senior Java FSD Developer- New York, NY (Onsite)

Job Title: Senior Java FSD Developer

Location: New York, NY (Onsite)

Years of Experience: 12+ Years

Summary:

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.

Required qualifications, & Skills:

• 12+ years professional software engineering experience; 3+ years architecting cloud-native services on AWS.
• Expert 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 to elevate how clients experience our products.
• 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 micros-services 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 that solve real business problems
• Nice to have: Python experience for LLM engineering and data processing (e.g., building small services, automation, and evaluation harnesses).
• 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.

Preferred skills:

• Experience with micro frontends, CEN/XFS API’s, Terraform
• Exposure to Java, Spring Boot, RESTful, Dynamo
• Experience with Datadog, CloudWatch, Open Telemetry
• Knowledge of AI-assisted coding tools (e.g., Copilot, Claude, Gitub etc.) and prompt engineering for LLM’s

Top 3 skills required for this role:

• Java, Springboot, Microservices, REST API’s, API Integration, Kafka, ReactJS, TypeScript, Java Script, Websockets, & NodeJS
• Agile methodologies such as CI/CD & experience with service workers, Grafana, Splunk, Dynatree
• Commercial Banking knowledge a plus