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Freelance Java Developer C2C Jobs in Illinois (NOW HIRING)

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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.
What are the most commonly searched types of Java Developer C2C jobs in Illinois? The most popular types of Java Developer C2C jobs in Illinois are:
What job categories do people searching Freelance Java Developer C2C jobs in Illinois look for? The top searched job categories for Freelance Java Developer C2C jobs in Illinois are:
Infographic showing various Freelance Java Developer C2C job openings in Illinois as of June 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution.
Data Engineer Associate - Contract

Data Engineer Associate - Contract

Gallagher

Rolling Meadows, IL • Remote

$115K - $138K/yr

Other

Medical, Dental, Vision, Life, Retirement

Posted 2 days ago


Arthur J. Gallagher & Co. rating

7.7

Company rating: 7.7 out of 10

Based on 66 frontline employees who took The Breakroom Quiz

176th of 260 rated insurance


Job description

Introduction
Welcome to Gallagher - a global community of people who bring bold ideas, deep expertise, and a shared commitment to doing what’s right. We help clients navigate complexity with confidence by empowering businesses, communities, and individuals to thrive. At Gallagher, you’ll find more than a job; you’ll find a culture built on trust, driven by collaboration, and sustained by the belief that we’re better together. Whether you join us in a client-facing role or as part of our brokerage division, our benefits and HR consulting division, or our corporate team, you’ll have the opportunity to grow your career, make an impact, and be part of something bigger. Experience a workplace where you’re encouraged to be yourself, supported to succeed, and inspired to keep learning. That’s what it means to live The Gallagher Way.

Overview

Overview

The Associate Data Engineer reports to the Data Engineering Lead and supports the development and ongoing operation of enterprise data integrations and pipelines across Gallagher. This role partners with data engineers, data scientists, analysts, and application teams to deliver reliable, secure, and well-documented data solutions that enable analytics and product initiatives.

Please note additional position details below:

  • This is a Temp-To-Hire, W-2 position.  We are not able to do 1099 or C2C.
  • It is a fully remote role that will need to be based in the U.S. 
  • You must meet our U.S. Eligibility requirements for work authorization as noted under "Additional Information" at the bottom of the job description.

How you'll make an impact

How you'll make an impact

  • Develop integration workflows, to make sure the solutions are built accurately and according to spec.
  • Develop and maintain requirements, design documentation, and test plans.
  • Seek out, design, and implement internal process improvements: automating manual processes, optimizing data delivery.
  • Coordinate with BI Engineers, Financial Applications, and Oracle HR teams around data management, reconciliation, test data setup, etc.
  • Develop and maintain data pipelines to ingest data from a wide variety of data sources (structured and unstructured) into Snowflake.
  • Construct and maintain enterprise-level integrations using the Snowflake platform, Azure Synapse, Azure SQL, and SQL Server.
  • Create data tools for data analytics and data science team members that assist them in building and optimizing our product into an innovative industry leader.
  • Design analytics tools that utilize the data pipeline to deliver actionable insights into customer acquisition, operational efficiency, and other key business performance metrics.
  • Assist with building Semantic Views, and Agents using Cortex AI Functions in Snowflake to support deep learning and interactive user queries.
  • Troubleshoot issues, helping to drive root-cause analysis, and work with infrastructure teams to resolve incidents and arrive at a permanent resolution.
  • Partner with data and analytics teams to strive for greater functionality in our data systems.
  • Coordination for development and support with globally located resources.
  • Understand the layout and working of existing integrations that send and receive data between Oracle, Concur, JDE, Corporate Data Platform, and other systems.

About You

About you

Required:

  • A relevant technical BS Degree with 2+ years of experience or Master’s Degree in Information Technology, Data Science, Computer Engineering or related.
  • 1+ years of writing SQL queries against any RDBMS with query optimization
  • 1+ years of experience leveraging technologies such as Snowflake, Azure Data Factory, and SQL Server.
  • Strong experience with Python, Java, and XML.
  • Familiarity with structuring a Data Lake for reliability, security, and performance
  • Familiarity with Medallion architecture, AI frameworks, and AI data readiness, Machine learning algorithms.
  • Skills to read and write effective, modular, dynamic, parameterized, and robust code, and establish and follow already established code standards.
  • Strong analytical, problem-solving, and troubleshooting abilities
  • Good understanding of unit testing, software change management, and software release management.
  • Knowledge of Dev-Ops, ML-Ops and AI-Ops processes.
  • Experience performing root cause analysis on data and processes to answer specific business questions, and identify opportunities for improvement.
  • Experience working within an agile team is preferred.
  • Excellent communication skills

#LI-NJ1

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Compensation and benefits

We offer a competitive and comprehensive compensation package. The base salary range represents the anticipated low end and high end of the range for this position. The actual compensation will be influenced by a wide range of factors including, but not limited to previous experience, education, pay market/geography, complexity or scope, specialized skill set, lines of business/practice area, supply/demand, and scheduled hours. On top of a competitive salary, great teams and exciting career opportunities, we also offer a wide range of benefits. 

Below are the minimum core benefits you’ll get, depending on your job level these benefits may improve:

  • Medical/dental/vision plans, which start from day one!
  • Life and accident insurance
  • 401(K) and Roth options
  • Tax-advantaged accounts (HSA, FSA)
  • Educational expense reimbursement
  • Paid parental leave

Other benefits include:

  • Digital mental health services (Talkspace)
  • Flexible work hours (availability varies by office and job function)
  • Training programs
  • Gallagher Thrive program – elevating your health through challenges, workshops and digital fitness programs for your overall wellbeing
  • Charitable matching gift program
  • And more...

**The benefits summary above applies to fulltime positions. If you are not applying for a fulltime position, details about benefits will be provided during the selection process.

We value inclusion and diversity

Click Here to review our U.S. Eligibility Requirements

Inclusion and diversity (I&D) is a core part of our business, and it’s embedded into the fabric of our organization. For more than 95 years, Gallagher has led with a commitment to sustainability and to support the communities where we live and work.

Gallagher embraces our employees’ diverse identities, experiences and talents, allowing us to better serve our clients and communities. We see inclusion as a conscious commitment and diversity as a vital strength. By embracing diversity in all its forms, we live out The Gallagher Way to its fullest.

Gallagher believes that all persons are entitled to equal employment opportunity and prohibits any form of discrimination by its managers, employees, vendors or customers based on race, color, religion, creed, gender (including pregnancy status), sexual orientation, gender identity (which includes transgender and other gender non-conforming individuals), gender expression, hair expression, marital status, parental status, age, national origin, ancestry, disability, medical condition, genetic information, veteran or military status, citizenship status, or any other characteristic protected (herein referred to as “protected characteristics”) by applicable federal, state, or local laws.

Equal employment opportunity will be extended in all aspects of the employer-employee relationship, including, but not limited to, recruitment, hiring, training, promotion, transfer, demotion, compensation, benefits, layoff, and termination. In addition, Gallagher will make reasonable accommodations to known physical or mental limitations of an otherwise qualified person with a disability, unless the accommodation would impose an undue hardship on the operation of our business.

Qualifications:

About you

Required:

  • A relevant technical BS Degree with 2+ years of experience or Master’s Degree in Information Technology, Data Science, Computer Engineering or related.
  • 1+ years of writing SQL queries against any RDBMS with query optimization
  • 1+ years of experience leveraging technologies such as Snowflake, Azure Data Factory, and SQL Server.
  • Strong experience with Python, Java, and XML.
  • Familiarity with structuring a Data Lake for reliability, security, and performance
  • Familiarity with Medallion architecture, AI frameworks, and AI data readiness, Machine learning algorithms.
  • Skills to read and write effective, modular, dynamic, parameterized, and robust code, and establish and follow already established code standards.
  • Strong analytical, problem-solving, and troubleshooting abilities
  • Good understanding of unit testing, software change management, and software release management.
  • Knowledge of Dev-Ops, ML-Ops and AI-Ops processes.
  • Experience performing root cause analysis on data and processes to answer specific business questions, and identify opportunities for improvement.
  • Experience working within an agile team is preferred.
  • Excellent communication skills

#LI-NJ1

#Contingent

#APintegration

Education:UNAVAILABLEEmployment Type: UNAVAILABLE

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