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Senior Java Developer C2C Jobs in Carlisle, PA (NOW HIRING)

Senior Java Developer

Mechanicsburg, PA · On-site

$54.25 - $69.25/hr

Role: Senior Java Developer Location: Mechanicsburg, PA (Onsite Preferred). Position: 8 Role Overview: We are seeking experienced Senior Java Developers with strong expertise in full stack ...

Senior Java Developer

Mechanicsburg, PA · On-site

$54.25 - $69.25/hr

... Developer role is expected to perform technical responsibilities to support development and maintenance. · This includes developing enhancements and maintenance updates to our Java systems, as well ...

senior java developer

Harrisburg, PA · On-site

$56.50 - $72/hr

Competence in using Java IDE tools of Eclipse, GGTS, Rational Application Developer (RAD), WebSphere Application Developer (WSAD) and Web Logic Workshop to develop dynamic web applications. Good ...

Senior Java Developer

Harrisburg, PA

$56.50 - $72/hr

Exp. with Object-Oriented Programming (OOPS). Required 10 Years * Experience with Java/J2EE. Required 10 Years * Experience with Database (Oracle/DB2/SQLServer). Required 10 Years * Experience with ...

Sr. Java/J2EE Developer

Harrisburg, PA · On-site

$56.50 - $72/hr

Sr. Java/J2EE Developer Headquartered in New Jersey (U.S), Cygnus Professionals Inc. is a next generation global information technology Solution and Consulting company powered by strong management ...

Java Developer

Harrisburg, PA · On-site

$50.25 - $65.25/hr

Financial Industry Experience SOA (Service Oriented Architecture) PHEAA would like senior level candidates for this role. Client is looking for at least 2 Java Developers to join their team. These ...

Yes Pay Rate: $60/Hr on C2C Bill Rate: $70 Required Skills Java, Spring Framework, Spring Boot ... Strong DevOps experience (CI/CD, pipelines, automation). Proven experience leading development ...

Senior Backend Developer

Harrisburg, PA · On-site

$119K - $154K/yr

... Senior Backend Developer Job Responsibilities · Lead the design and development of scalable ... Java, C#, Python, or Node.js. · Deep experience designing and building RESTful APIs and ...

New

Sr. Software Developer

Harrisburg, PA · On-site

$53.75 - $71/hr

Sr. Software Developer Location: Princeton, NJ Length 6-12 months contract The candidates will ... Core Java (JDK 7+), J2EE (6+) , Hibernate (4.x), JUnit 4, Spring (3+), JDBC, XML, XSD, Oracle, PL ...

Senior Software Developer

Mechanicsburg, PA · On-site

$51.75 - $68.25/hr

Java, Spring Boot * Frontend: React, JavaScript / TypeScript * Database: Oracle (strong experience ... Senior Software Developer Level: Yes (Lead/Architect-level responsibilities expected)

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Senior Java Developer C2C information

See Carlisle, PA salary details

$10

$61

$83

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

As of Jul 4, 2026, the average hourly pay for senior java developer c2c in Carlisle, PA is $61.13, according to ZipRecruiter salary data. Most workers in this role earn between $53.56 and $68.32 per hour, depending on experience, location, and employer.

What is the difference between Senior Java Developer C2C vs Java Software Engineer?

AspectSenior Java Developer C2CJava Software Engineer
CredentialsJava certifications, experience in Java SE/EEJava certifications, similar experience
Work EnvironmentContract-based, client-site or remote, project-focusedFull-time, in-house or remote, development team
Industry UsageFreelance/contract roles across industriesPermanent roles in tech companies or enterprises
Search IntentContract Java roles, freelance Java jobsFull-time Java developer positions

While both roles require Java expertise and similar certifications, Senior Java Developer C2C typically involves contract-based, project-specific work often on a freelance basis. Java Software Engineer usually refers to full-time, in-house roles within organizations. The choice depends on whether you're seeking flexible contract work or a permanent position.

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

To thrive as a Senior Java Developer (C2C), you need expert-level proficiency in Java, object-oriented programming, system architecture, and a solid foundation in computer science, usually supported by a bachelor’s degree or higher. Familiarity with frameworks like Spring, Hibernate, RESTful APIs, version control systems such as Git, and build tools like Maven or Gradle, along with experience in Agile methodologies, is typically required. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills and qualities are crucial for delivering robust, scalable software solutions and ensuring project success in dynamic environments.

What are some common challenges Senior Java Developers face when working on C2C (Corp-to-Corp) contracts?

Senior Java Developers working on C2C contracts often encounter challenges such as quickly adapting to new project environments, understanding diverse client requirements, and integrating with teams that may have established workflows or legacy systems. Additionally, they need to manage their own business operations, including invoicing and compliance, while maintaining high productivity and technical standards. Effective communication and self-management are essential, as C2C roles may offer less direct supervision compared to traditional employment.

What is a Senior Java Developer C2C?

A Senior Java Developer C2C is an experienced software engineer who specializes in Java programming and works on a 'Corp-to-Corp' (C2C) basis. This means the developer provides services through their own corporation or business entity, rather than as a direct employee or independent contractor. Senior Java Developers are responsible for designing, developing, and maintaining complex Java applications, leading projects, and mentoring junior developers. C2C arrangements are common in IT contracting, particularly in the United States, and typically require the developer to handle their own business taxes and legal compliance.
What cities near Carlisle, PA are hiring for Senior Java Developer C2C jobs? Cities near Carlisle, PA with the most Senior Java Developer C2C job openings:
Senior Java Developer

Senior Java Developer

Apexon

Mechanicsburg, PA • On-site

$54.25 - $69.25/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 15 days ago


Job description

About Apexon:

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation.

Apexon brings together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering, and UX, along with deep expertise in BFSI, healthcare, and life sciences, helping businesses capitalize on the unlimited opportunities digital offers.

Our reputation is built on a comprehensive suite of engineering services, a dedication to solving clients toughest technology problems, and a commitment to continuous improvement. Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon has a global presence across four continents.


We enable #HumanFirstDIGITAL


We are hiring for a Senior Java Developer for an onsite opportunity.

Role: Senior Java Developer

Location: Mechanicsburg, PA (Onsite Preferred).

Position: 8

Role Overview:

We are seeking experienced Senior Java Developers with strong expertise in full stack application development and Integrated Eligibility (IE) systems. The ideal candidate will have hands on experience with Java, Spring Boot, React, JavaScript, and Oracle databases, along with domain knowledge of SNAP, TANF, and Medicaid programs. This role involves leading the design and implementation of large scale, secure, scalable, and reliable software solutions while collaborating with cross functional teams.

Key Responsibilities:

Lead the design and implementation of large scale, complex software systems

Develop and maintain full stack applications using Java, Spring Boot, React, and JavaScript

Build scalable and secure backend services and RESTful APIs

Design and optimize Oracle database interactions and data access layers

Collaborate with architects, business analysts, QA teams, and project stakeholders to deliver enterprise solutions

Apply Integrated Eligibility domain knowledge to support business requirements and technical implementations

Participate in system architecture discussions and technical decision making

Ensure application performance, reliability, scalability, and security

Troubleshoot production issues and provide technical guidance for complex problems

Mentor junior developers and contribute to engineering best practices and coding standards

Support Agile development activities including sprint planning, code reviews, and release management

Required Skills:

6+ years of full stack software development experience

Strong experience with Java

Strong experience with Spring Boot

Strong experience with React

Strong experience with JavaScript

Experience working with Oracle databases

Experience with Integrated Eligibility (IE) applications

Domain knowledge of SNAP, TANF, and Medicaid programs

Strong understanding of software architecture, design patterns, and enterprise application development

Experience designing scalable, secure, and reliable systems

Preferred Skills:

Previous Deloitte project experience

Experience supporting State Government projects

Experience with large scale public sector or healthcare systems

Strong leadership and mentoring abilities

Experience with Agile development methodologies

Expected Deliverables:

Full Stack Java Applications

REST APIs and Backend Services

React Based User Interfaces

Oracle Database Components

Technical Design Documentation

System Enhancements and Performance Optimizations

Production Support and Issue Resolution Deliverables

Code Reviews and Technical Guidance

Education Requirement:

Bachelors degree in Computer Science, Information Technology, Engineering, or a related field preferred.

Our Commitment to Diversity & Inclusion:

Did you know that Apexon has been Certified by Great Place To Work in multiple global regions? Apexon is committed to being an equal opportunity employer and promoting diversity in the workplace. We take affirmative action to ensure equal employment opportunity for all qualified individuals. Apexon strictly prohibits discrimination and harassment of any kind and provides equal employment opportunities to employees and applicants without regard to gender, race, color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any

other characteristic protected by law.

Our Commitment to Environment:

Actively contribute to Apexon's commitment to environmental responsibility by following sustainable practices and supporting ESG initiatives.

Our Perks and Benefits:

Our benefits and rewards program has been thoughtfully designed to recognize your skills and contributions, elevate your learning experience, and provide care and support for you and your loved ones.

We also offer:

Health Insurance with Dental & Vision

401K Plan

Life Insurance, STD & LTD

Paid Vacations & Holidays

Continuous Skill Based Development and Career Advancement Opportunities