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Hourly Freelance Java Developer Jobs in Illinois

Oak St. Health

Sr. Data Engineer

Chicago, IL · On-site

$113K - $203K/yr

Utilize programming skills in Python, Java, or similar languages to build robust data pipelines and ... This pay range represents the base hourly rate or base annual full-time salary for all positions in ...

UnitedHealthcare At Home

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

Design, code, test, and debug Java applications following best practices to ensure high performance ... The hourly pay for this role will range from $91,700 to $163,700 per hour based on full-time ...

New

UMR

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

Design, code, test, and debug Java applications following best practices to ensure high performance ... The hourly pay for this role will range from $91,700 to $163,700 per hour based on full-time ...

New

CVS Health

Data Engineer

Downers Grove, IL · On-site +1

$113K - $158K/yr

Java, Python, or Node.js; Programming in R; Data Visualization tools, including PowerBI or Tableau ... This pay range represents the base hourly rate or base annual full-time salary for all positions in ...

CVS Health

Data Engineer

Downers Grove, IL · On-site +1

$113K - $158K/yr

Java, Python, or Node.js;Programming in R;Data Visualization tools, including PowerBI or Tableau ... This pay range represents the base hourly rate or base annual full-time salary for all positions in ...

Walgreens

Senior Platform Engineer I

Deerfield, IL · On-site

$102K - $164K/yr

... Java, or C#. * Experience with CI/CD tools such as Azure DevOps, GitHub Actions, or Jenkins ... The actual hourly salary within this range that you will be offered will depend on a variety of ...

CVS Health

Sr. Data Engineer

Chicago, IL · On-site

$113K - $203K/yr

Requires two (2) years of experience in each of the following: - Java, Python, or Node.js; - XML ... This pay range represents the base hourly rate or base annual full-time salary for all positions in ...

CVS Health

Sr. Data Engineer

Chicago, IL

$113K - $203K/yr

Java, Python, or Node.js; XML, JSON, HTML, CSS, or JavaScript; Oracle, Redis, or Cassandra database ... This pay range represents the base hourly rate or base annual full-time salary for all positions in ...

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Hourly Freelance Java Developer information

How much do freelance Java developers charge?

Freelance Java developers typically charge between $30 and $150 per hour, depending on experience, project complexity, and location. Rates can vary based on skills such as familiarity with frameworks like Spring or Hibernate, and whether the work is short-term or long-term. Many freelancers also offer fixed project rates for well-defined tasks.

How to get freelance work for a Java developer?

To find freelance work as a Java developer, create a strong online portfolio showcasing your projects and skills, and register on freelance platforms like Upwork, Freelancer, or Toptal. Building a network through professional communities and continuously updating your skills with relevant certifications can also increase your chances of securing projects.

What's a good hourly rate for a freelance programmer?

For an hourly freelance Java developer, rates typically range from $30 to $150 depending on experience, project complexity, and location. Highly experienced developers with specialized skills or certifications may charge higher rates, while those new to freelancing or in lower-cost regions may charge less.

Which pays more, C++ or Java?

For an hourly freelance Java developer, Java generally offers higher pay rates than C++, especially for roles requiring enterprise applications, web development, or mobile app development. C++ skills are often valued in systems programming, game development, and performance-critical applications, which can also command competitive rates. Overall, Java tends to have broader demand in freelance markets, potentially leading to higher earnings for Java developers with relevant experience.
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Hourly Freelance Java Developer jobs near you

Director, Data Engineering

Publicis Groupe Holdings B.V

Chicago, IL • On-site

$112K - $161K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago

Job description

Company description
PHM is the leading health media agency in the US, built for the modern healthcare experience. Here, industry depth meets media scale, where data becomes direction, where creativity and storytelling bring truth to life, and where orchestration replaces fragmentation.
Dedicated to making brands discovered, PHM redefines what media can do through data, content, and creativity. Because in modern healthcare, the brands that are found are the ones that lead. And when brands lead, advantage follows. Go deeper. Be found.
Overview
Responsible for developing and supporting data products, this resource plays a critical role in the development of data warehouse/data lake solutions utilized by internal and external stakeholders. Design and develop warehouse solutions built on the Microsoft SQL Server and AWS technology stacks. These solutions include ETL, data modeling, data quality assessment and data delivery.
Responsibilities
  • Create high performance data products by monetizing warehouse and ETL solutions using SSIS, python and Spark
  • Performance tuning and optimization of ETL, SQL and database structures
  • Design and develop tables, views, triggers, indexes, constraints and stored procedures
  • Monitor long running transactions and can optimize query executions using best practices and methodologies
  • Assist/support in the design process on an as needed basis
  • Design data models for enterprise-wide data integration incorporating:
    • Structured and unstructured data
    • Real time, on-demand, batch and varying timing schedules
  • Build data flow automation to retrieve, transform and load data
  • Manage data warehouse structure and file storage rules
  • Data management functions including:
    • Metadata management
    • Create, alter, delete, grant permissions, indexing, updating
    • Query tuning
  • Maintain best practices for handling, storing and using data Tools:
    • SQL Server/SSIS
    • Python/Java
    • Web Analytics Platforms - Google, Adobe, etc.
    • BI Platforms - Tableau, Datorama, etc.
    • Cloud Technologies - AWS, Azure, Google

Qualifications
  • BS Degree in one of the following subject areas; Computer Science, Information Technology or related field preferred
  • Minimum of 5+ years of experience developing large scale complex database solutions
  • Demonstrated experience with BI database design
  • Ability to track and resolve database related incidents as well as requests
  • Solid understanding of database structures, theories, principles, and practices
  • Solid understanding of ETL and data warehouse principles
  • Good interpersonal, written and oral communication skills
  • Technical documentation skills
  • Ability to convey complex ideas in user-friendly language
  • Self-motivated and directed, with keen attention to detail
  • Able to prioritize and implement tasks in a team-oriented, high-pressure environment

Specific Skills Required:
  • Minimum 6 years SQL experience, 5 years of ETL experience, 7 years analyzing data sets
  • Strong data warehouse knowledge
  • Experience with JSON, XML, ORC,AVRO and Parquet file formats
  • Experience with large data sets
  • Java, C# or R experience a plus
  • Experience with REST API calls
  • Experience with Web and Digital marketing data a plus

Additional information
Our Publicis Groupe motto "Viva La Différence" means we're better together, and we believe that our differences make us stronger. It means we honor and celebrate all identities, across all facets of intersectionality, and it underpins all that we do as an organization. We are focused on fostering belonging and creating equitable & inclusive experiences for all talent.
Publicis Groupe provides robust and inclusive benefit programs and policies to support the evolving and diverse needs of our talent and enable every person to grow and thrive. Our benefits package includes medical coverage, dental, vision, disability, 401K, as well as parental and family care leave, family forming assistance, tuition reimbursement, and flexible time off.
If you require accommodation or assistance with the application or onboarding process specifically, please contact USMTTACompliance@publicis.com.
All your information will be kept confidential according to EEO guidelines.
Compensation Range: USD $112,290.00 - USD $161,280.00/Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 8/2/2026.

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