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Freelance Java Developer C2C Jobs in Philadelphia, PA

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Freelance Java Developer C2C information

See Philadelphia, PA salary details

$15

$57

$78

How much do freelance java developer c2c jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for freelance java developer c2c in Philadelphia, PA is $57.21, according to ZipRecruiter salary data. Most workers in this role earn between $49.47 and $64.04 per hour, depending on experience, location, and employer.

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 key skills and qualifications needed to thrive as a freelance Java developer C2C?

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 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.

What are the most commonly searched types of Java Developer C2C jobs in Philadelphia, PA?

The most popular types of Java Developer C2C jobs in Philadelphia, PA are:

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What cities near Philadelphia, PA are hiring for Freelance Java Developer C2C jobs?

Cities near Philadelphia, PA with the most Freelance Java Developer C2C job openings:

Freelance Java Developer C2C jobs near you

AI/ML Lead / Architect C2C contract Wilmington ,DE

Wilmington, DE • On-site

Tech Mirrors
See more jobs at Tech Mirrorsexternal

$53.50 - $73.50/hr

Other

Posted 22 days ago

Key responsibilities

  • Own end‑to‑end architecture for the AI‑agent, DSL, and SFMC automation ecosystem, including designing AI systems, backend microservices, APIs, and integrations.

  • Guide and lead engineering teams through architectural decisions, code reviews, and technical validation of prototypes and design choices.

  • Architect cloud‑native, highly available systems on AWS, ensuring integration with SFMC components and maintaining system observability, security, and compliance.

Job description

Job Title

AI/ML Lead / Architect

Location

Wilmington, DE (5 days Onsite)

Contract

Contract

Responsibilities
  • Architecture Ownership – Own end‑to‑end architecture for the AI‑agent, DSL, and SFMC automation ecosystem. Design agentic AI systems, backend microservices, APIs, and SFMC integrations (REST/SOAP). Define DSL schemas (JSON/YAML) for AI‑generated workflows, ensuring extensibility, safety, and deterministic execution. Establish guardrails, validation, simulation, and compliance frameworks for AI‑generated journeys and campaigns. Create and maintain system blueprints, including data flow diagrams, integration contracts, and deployment architecture.
  • Technical Leadership – Act as the hands‑on technical lead, guiding AI/ML engineers, DSL engineers, backend developers, and SFMC specialists. Lead POCs, prototypes, and architectural spikes to validate design decisions and technology choices. Drive coding standards, design patterns, and best practices across engineering teams. Conduct architectural reviews, code reviews, and design walkthroughs. Unblock teams, make technical decisions, and ensure alignment with architectural vision.
  • AI/ML & Agentic Systems – Partner with AI/ML teams on agent frameworks (Agent SDK, LangChain, LangGraph, CrewAI, Semantic Kernel). RAG pipelines, embeddings, and vectorization. LLM fine‑tuning, evaluation, and safety mechanisms. Define prompting strategies, context engineering, and model‑interaction patterns.
  • Backend, Cloud & Integration Architecture – Architect cloud‑native, highly available systems on AWS using IaC (Terraform). Oversee backend microservices, orchestration layers, and execution pipelines. Ensure robust integration with SFMC components: Journey Builder, Email Studio, Data Extensions, Personalization logic, REST/SOAP APIs. Ensure observability, monitoring, logging, and reliability across all services.
  • Security, Governance & Compliance – Ensure compliance with security, privacy, and governance requirements for AI‑generated marketing workflows. Define architectural controls for safe execution, auditability, and data protection. Lead performance optimization, scalability planning, and risk mitigation.
  • Cross‑Functional Collaboration – Work closely with business, product, CRM, and marketing operations teams to translate requirements into scalable technical solutions. Communicate architectural decisions clearly to both technical and non‑technical stakeholders.
Required Skills & Experience
  • 10+ years of software engineering experience with at least 3+ years in a Tech Lead or Architect role.
  • Strong background in AI/ML systems, including LLMs, agentic architectures, prompt engineering, RAG pipelines.
  • Experience designing complex distributed systems and workflow automation platforms.
  • Deep understanding of DSL design, interpreters, ASTs, and compiler concepts.
  • Strong proficiency in Python, TypeScript, or Java.
  • Experience with cloud‑native architectures (AWS/Azure/GCP), containers, and microservices.
  • Proven ability to lead engineering teams, conduct design reviews, and drive technical decisions.
  • Excellent communication and stakeholder management skills.
Preferred Qualifications
  • Experience building AI‑driven workflow automation or autonomous agent systems.
  • Familiarity with AMPscript and SSJS.
  • Background in marketing automation, CRM systems, or customer lifecycle design.
  • Experience with security, compliance, and governance for AI systems.
  • Prior experience in fixed‑bid or outcome‑based delivery environments.
  • Experience with event‑driven architectures and messaging systems.
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