Senior Java FSD Developer

Spectraforce

New York, NY, United States

4 days ago

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Role details

Contract type

Temporary contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

3 years minimum

Working hours

Regular working hours

Job source

leoforce.us

Tech stack

Java (Programming Language) JavaScript (Programming Language) Application Programming Interfaces (APIs) Agile Methodology Artificial Intelligence Amazon Web Services Continuous Integration Cross-Origin Resource Sharing (Ajax Programming) Data Validation Amazon DynamoDB Identity and Access Management Java Virtual Machine (JVM)

+37 more

JSON PostgreSQL MySQL Node.Js NoSQL Performance Tuning Redis Coupa Supplier Portal Message Oriented Middleware Software Engineering SQL Databases TypeScript Management of Software Versions WebSocket Openapi Datadog ReactJS Large Language Models Grafana Prompt Engineering Spring-boot Caching Cloudformation AngularJS Kubernetes Apache Kafka Front End Software Development React Redux Api Design Cloudwatch Restful APIs Amazon Simple Queue Service (SQS) Terraform Splunk Serverless Computing Docker Microservices

Job description

We’re 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.

Requirements

12+ years professional software engineering experience; 3+ years architecting cloud-native services on AWS.
Expert in Java 11+/17, Spring Boot, 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).
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.
Front-end capability with React + TypeScript (or Angular), including state mgmt (Redux/RTK/React Query), routing, and component design.
Excellent communication, stakeholder management, and mentoring skills.

Preferred qualification, capabilities, & 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

What are the top 3 skills required for this role?

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