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Senior Java Developer C2C Jobs in Boston, MA (NOW HIRING)

Integrated Resources INC

Sr Java, J2EE developer

Concord, MA · On-site

$62.75 - $80/hr

Target Bonus 80% guaranteed $200K Life Ins and Single Person Healthcare Benefits COMPLETELY PAID BY COMPANY Gym Membership and Tuition Reimbursement We are looking for a Java/ C++ Developer with ...

Javen Technologies, Inc.

Backend Developer - Java

Boston, MA · On-site

$54.75 - $71.25/hr

They are seeking an experienced Senior Java Software Engineer to join their Workflow team, focusing on designing and implementing high-performance, distributed systems and event-driven microservices.

Saviance

Senior Java/AWS Engineer -with LIMS

Boston, MA · On-site

$135K - $178K/yr

They are seeking a skilled Senior Java/AWS Engineer -with LIMS to collaboratively solve complex problems and develop a custom lab software solution for a high-throughput laboratory. The role involves ...

Compunnel

Senior Calypso Developer

Boston, MA · On-site

$62.25 - $79.25/hr

Job Summary We are seeking a highly skilled and experienced Senior Calypso Java Developer to join a financial technology team. This individual will play a critical role in designing, customizing ...

Digipulse Technologies, Inc

Software Engineer-JAVA

Boston, MA · On-site

$56.25 - $77.25/hr

Local to Boston (W2 or C2C is acceptable) * Start Date: Immediate. The hiring manager prefers ... Java Lead / Coordinator role.( Tech Stack- Java, springboot, APU development. Aws and frontend exp ...

Boston Technology

Sr.Java UI Developer

Boston, MA

Possess Effective verbal,written communications as well as strong organizational skills Java, JEE ... You will become a mentor to other developers to assure Liferay best practices and recommendations ...

Boston Technology

Sr.Java UI Developer

Boston, MA · On-site

Java, JEE, Spring and Tomcat are a must. * Web-services integration and RESTful is a plus * 7+ ... You will become a mentor to other developers to assure Liferay best practices and recommendations ...

USM

Urgent Need Senior Java with ESB experience

Burlington, MA · On-site

$62.25 - $79.50/hr

... Engineering, Business Intelligence, Data Management, SOA, BPM, Data Warehousing, SharePoint ... Senior Java with ESB experience Location: Burlington, MA Duration: 6-12 months - Any type of ESB ...

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Senior Java Developer C2C information

See Boston, MA salary details

$12

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$93

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

As of Sep 7, 2026, the average hourly pay for senior java developer c2c in Boston, MA is $68.26, according to ZipRecruiter salary data. Most workers in this role earn between $59.81 and $76.25 per hour, depending on experience, location, and employer.

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 are the key skills and qualifications needed to thrive as a senior Java developer C2C?

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 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 most commonly searched types of Java Developer C2C jobs in Boston, MA?

The most popular types of Java Developer C2C jobs in Boston, MA are:

What are popular job titles related to Senior Java Developer C2C jobs in Boston, MA?

For Senior Java Developer C2C jobs in Boston, MA, the most frequently searched job titles are:

What job categories do people searching Senior Java Developer C2C jobs in Boston, MA look for?

The top searched job categories for Senior Java Developer C2C jobs in Boston, MA are:

What cities near Boston, MA are hiring for Senior Java Developer C2C jobs?

Cities near Boston, MA with the most Senior Java Developer C2C job openings:

Senior Java Developer C2C jobs near you

Sr Java, J2EE developer

Integrated Resources INC

Concord, MA • On-site

$62.75 - $80/hr

Full-time

Medical, Life

Re-posted 9 days ago

Job description

Company Description

A Few Words About Us
Integrated Resources, Inc is a premier staffing firm recognized as one of the tri-states most well-respected professional specialty firms. IRI has built its reputation on excellent service and integrity since its inception in 1996. Our mission centers on delivering only the best quality talent, the first time and every time. We provide quality resources in four specialty areas: Information Technology (IT), Clinical Research, Rehabilitation Therapy and Nursing.

Job Description

Job title: Principal SW Developer

Location: Concord, MA

Duration: Full Time Permanent position

Salary and benefits:

Salaries are pretty open, Client is looking for right person. Please find the following benefits for the positions:

FREE BREAKFAST, LUNCH, AND IF WORKING LATE- DINNER!! EVERY DAY!

Target Bonus 80% guaranteed

$200K Life Ins and Single Person Healthcare Benefits COMPLETELY PAID BY COMPANY

Gym Membership and Tuition Reimbursement

Job Description:

We are looking for a Java/ C++ Developer with experience in building high-performing, scalable, enterprise-grade applications. You will be part of a talented software team that works on mission-critical applications in the Cloud and "Big Data" market space.

You will be responsible for Java/Java EE and C++ application development while providing expertise in the full software development lifecycle, from concept and design to testing.

Desirable Experience (not required)

Experience with Hadoop or other "Big Data" technologies (Cassandra, Accumulo) is a strong positive.

Hands on experience with servlet development and RESTful web services. Tomcat servlet container or Jetty container experience helpful

Object oriented analysis and design using common design patterns.

Profound insight of Java and JEE internals (Classloading, Memory Management, -Transaction management etc)

Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)

Experience with large-scale search and discovery platforms such as Elastic Search and Solar is strongly desired

Responsibilities

Design and develop high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance

Contribute in all phases of the development lifecycle, from design to development to testing of software systems

Write well designed, testable, efficient code

Ensure designs are in compliance with specifications

Prepare and produce releases of software components

Requirements

BS/MS degree in Computer Science, Engineering or a related subject

5-10 years of hands-on Software Development experience along with demonstrated track record of SW project delivery

5 years of experience in Java or C++ development (Java preferred)

Hands on experience in designing and developing applications using either Visual -Studio or Eclipse IDE environments

Experience working with Agile/Scrum process


Additional Information

Regards,

Sweta Verma

IT Recruiter

Integrated Resources, Inc.

"INC 5000's FASTEST GROWING, PRIVATELY HELD COMPANIES" (7th Year in a Row)

Direct:- 732 549 5907 

Tel: (732) 549 2030 x 210

Fax: (732) 549 5549

sweta(at)irionline.com

http://www.irionline.com

https://www.linkedin.com/nhome/?trk=nav_responsive_tab_home




Integrated Resources logo

About Integrated Resources

Sourced by ZipRecruiter

Integrated Resources Inc (IRI), based in Edison, NJ, US, is an esteemed player in the staffing solutions industry with a credible presence on their official website irionline.com. Notably, IRI provides a range of professional staffing services including contract, contract-to-hire, and direct hire solutions to a wide spectrum of industries such as healthcare, life sciences, manufacturing, financial, insurance, and others. Since its inception, IRI has been committed to delivering top-talent and optimum solutions to meet its clients' diverse needs.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Edison, NJ, US

Year founded

1996

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