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Freelance Java Developer C2C Jobs in New Jersey (NOW HIRING)

Sarian, Inc.

Java Developer

Jersey City, NJ · On-site

$53.25 - $69/hr

Java Developer Location: Jersey City NJ Fulltime position Onsite position ... NO C2C**** JD: * Java web-based technologies. Liferay experience (7.x)/ Tomcat 9.0 and above ...

campus4tech

Full Stack Java Developer

Jersey City, NJ · On-site

$57.50 - $74/hr

Job Title- Full Stack Java Developer Location- Jersey City, NJ, United States Reporting Type ... Candidate must be comfortable working on W2, C2C or third party candidates will not work for this ...

Sierre Technologies

$55.75 - $71.75/hr

We cannot sponsor visa and C2C. Strong Java and Angular 8+ experience Design develop and implement ... developer unit testing using Junit or equivalent frameworks Understand and address security and ...

Sierre Technologies

$55.75 - $71.75/hr

We cannot sponsor visa and C2C. Strong Java and Angular 8+ experience Design develop and implement ... developer unit testing using Junit or equivalent frameworks Understand and address security and ...

Triunity Software

Entry Level Java Developer

Iselin, NJ · On-site

$60K - $80K/yr

W2 and Fulltime (No C2C) We are seeking an Junior Level Java Developer with 3-4 years of experience. Qualifications: * Previous experience in software development, computer engineering, or other ...

Triunity Software

Java developer

Hoboken, NJ · On-site

$70K - $100K/yr

W2 (No C2C) VISA: Open Candidates with career Gap Can also applicable. - * Minimum 4 years' of ... Object oriented analysis, design and programming skills * Experience with a recognized software ...

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Freelance Java Developer C2C information

What are the key skills and qualifications needed to thrive as a Freelance Java Developer C2C, and why are they important?

To thrive as a Freelance Java Developer C2C, you need advanced proficiency in Java programming, object-oriented design, and experience with frameworks like Spring or Hibernate, usually complemented by a relevant degree or certifications. Familiarity with code repositories (Git), build tools (Maven/Gradle), cloud platforms, and knowledge of contract work requirements are important for handling diverse client projects. Outstanding time management, communication, and problem-solving skills set top freelancers apart in remote, client-focused environments. These skills ensure timely delivery of robust solutions, effective client relationships, and sustained success in a competitive freelance market.

What is a Freelance Java Developer C2C?

A Freelance Java Developer C2C (Corp-to-Corp) is an independent contractor who provides Java development services through their own corporation or business entity, rather than as a direct employee. In a C2C arrangement, the developer's company enters into a contract with a client company to deliver software solutions using the Java programming language. This setup is common in the United States and often used for project-based or temporary work, allowing both parties flexibility and clear business-to-business terms. Freelance Java Developers C2C are responsible for their own taxes, benefits, and business expenses.

What are the common challenges faced by Freelance Java Developers working on a C2C (Corp-to-Corp) basis, and how can they be managed?

Freelance Java Developers working on a C2C basis often encounter challenges such as managing multiple client projects simultaneously, ensuring clear communication despite remote collaboration, and staying updated with the latest Java technologies. Additionally, they must handle their own contracts, invoicing, and compliance with tax regulations independently. To manage these challenges effectively, it's important to establish transparent communication channels with clients, set clear project expectations and deadlines, and utilize project management tools to track progress. Regularly investing time in professional development and networking can also help freelancers stay competitive in the market.
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Freelance Java Developer C2C jobs near you

Java Developer

Shree Narayani Networking Solutions LLC

Piscataway, NJ • On-site

$70 - $75/hr

Other

This job post has expired 2 days ago. Applications are no longer accepted.

Job description

 
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


Apply