Java Developer

 

Job Title - Java Developer(Java 20+) - (client uses Java 25)
Location - Piscataway, NJ (Hybrid – 3 days onsite)
Duration - 12+ Months
Rate: 60-65/hr. on W2 or $70-75/hr. on C2C

Interview : Must interview 2 phone screens and 1 in-person interview

Non-Negotiable Skills & Experience (Priority Order)

• Identity Provider (IDP) Integration — Ping
• Hands-on experience with Java 20+ (client uses Java 25)
• Hands-on experience integrating PingFederate / PingAccess for SAML 2.0 and OIDC flows
• Token validation, scopes, claims mapping, and federated identity configuration.
• AWS API Gateway + Custom Lambda Authorizers
• AWS Lambda & Serverless Architecture experience
• Spring Boot Microservices Development
• Terraform Infrastructure-as-Code (IaC) experience
• AWS Cloud Experience (Lambda, API Gateway, ECS/Fargate, IAM, DynamoDB, S3, VPC)
• REST API Development & Microservices Architecture
• Docker / Containerized Deployments

Preferred / Bonus Skills

• Boomi Integration Platform
• OpenAPI / Contract-First API Design
• AWS CI/CD (CodePipeline, CodeBuild)
• DynamoDB Data Modeling

The ideal candidate is someone who can build Java/Spring Boot applications, secure them using Ping/OAuth/JWT, deploy them on AWS using Lambda/API Gateway/ECS, and automate the infrastructure using Terraform.

Summary: The role focuses on building and maintaining enterprise integrations across identity, API authorization, dynamic OAuth clients, dynamic scoping, microservices, and infrastructure-as-code within AWS and Boomi integration platforms.

Scope of Work
The engineer will contribute to enterprise integration projects spanning AWS serverless, API development, Ping-based authorization infrastructure, and IaC automation.

Required Skills & Experience
Identity Provider (IDP) Integration — Ping
Hands-on experience with Java 20+ (client uses Java 25)
Hands-on experience integrating PingFederate / PingAccess for SAML 2.0 and OIDC flows
Token validation, scopes, claims mapping, and federated identity configuration.

Custom Lambda Authorizer
Design and implementation of AWS API Gateway custom Lambda authorizers (request and token-based)
JWT/OIDC token validation against Ping, policy generation, and caching strategies

Spring Boot
Production experience building Spring Boot microservices (REST APIs, service layers, externalized configuration)
Familiarity with Spring, SpringBoot, and containerized deployments (Docker/ECS Fargate)

AWS Expertise
Strong working knowledge of core AWS services: Lambda, API Gateway, ECS/Fargate, DynamoDB, S3, CloudWatch, IAM, VPC
Serverless architecture patterns and event-driven design
Networking fundamentals (VPC endpoints, security groups, private subnets)
Boomi Integration Platform knowledge

Terraform
Infrastructure-as-Code using Terraform (modules, state management, workspaces)
Provisioning and managing AWS resources in multi-environment pipelines

Agentic IDE & AI-Assisted Development
Comfort working with AI-powered development tools (Kiro, Claude Code, GitHub Copilot agentic coding assistants)
Ability to leverage AI pair-programming for code generation, review, and iteration within Kiro or similar IDEs

Nice to Have
Experience with Deno / TypeScript Lambda functions
Familiarity with OpenAPI specifications and contract-first API design
CI/CD with AWS CodePipeline / CodeBuild
DynamoDB data modeling and access patterns
microservices migration experience