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Freelance Software Engineer Contractor Jobs in Illinois

Senior Software Architect-Snowpark

Chicago, IL · On-site

$133K - $181K/yr

Proficient in SQL and the Python programming language CONTRACTOR's ROLE: Senior Software Engineer - Snowpark - Python EXPERIENCE LEVEL: Senior QUALIFICATIONS (must haves): • Excitement to learn new ...

Software Engineering Lead

O Fallon, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Overview Amyx is seeking a Software Engineering Lead to join our Dept. of Defense client at Scott ... Amyx is a VEVRAA federal contractor and we request priority referral of veterans. Physical Demands ...

Software Engineering Lead

O Fallon, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Amyx is seeking a Software Engineering Lead to join our Dept. of Defense client at Scott Air Force ... Amyx is a VEVRAA federal contractor and we request priority referral of veterans. Physical Demands ...

Software Engineering Lead

O Fallon, IL · On-site +1

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Overview Amyx is seeking a Software Engineering Lead to join our Dept. of Defense client at Scott ... Amyx is a VEVRAA federal contractor and we request priority referral of veterans. Physical Demands ...

Exploitation Specialist/GDAT Software Engineer

Venice, IL · On-site

$73K - $132K/yr

  • Medical

  • Retirement

  • PTO

... Software Engineer to join our team in St. Louis, MO. This work requires skills and knowledge to ... GDAT-M serves the customer, ASG collaborators, and co-producer contractors. It is a leading desktop ...

Exploitation Specialist/GDAT Software Engineer

Dupo, IL · On-site

$73K - $132K/yr

  • Medical

  • Retirement

  • PTO

... Software Engineer to join our team in St. Louis, MO. This work requires skills and knowledge to ... GDAT-M serves the customer, ASG collaborators, and co-producer contractors. It is a leading desktop ...

Showing results 21-40

Freelance Software Engineer Contractor information

What is the difference between Freelance Software Engineer Contractor vs Freelance Software Developer?

AspectFreelance Software Engineer ContractorFreelance Software Developer
CredentialsTypically requires a degree in computer science or related field, with certifications like AWS or Microsoft Azure often preferred.Often has similar educational background; certifications are optional but can enhance credibility.
Work EnvironmentWorks independently on client projects, often with a focus on engineering solutions, system architecture, and technical problem-solving.Works independently on software applications, focusing on coding, development, and implementation.
Employer & Industry UsageHired by clients or agencies for engineering-specific tasks across various industries like tech, finance, and healthcare.Hired for software development projects in diverse sectors, including startups and large corporations.

Both roles involve freelance work and require strong technical skills, but Freelance Software Engineer Contractors often focus on system architecture and engineering tasks, while Freelance Software Developers concentrate on coding and application development. The choice depends on the project scope and technical expertise needed.

What cities in Illinois are hiring for Freelance Software Engineer Contractor jobs?

Cities in Illinois with the most Freelance Software Engineer Contractor job openings:

$110K - $173K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 25 days ago


Job description

Company Description

Publicis Media Exchange (PMX) is the global media platform for Publicis Groupe [Euronext Paris FR0000130577, CAC 40]. PMX is an omnichannel activation powerhouse that drives smart application of investment through leveraging scale, marketplace innovation, deeper partnerships and knowledge. PMX is at the forefront of the converging marketplace building data-informed, tech-enabled media to help marketers connect with consumers in a measurable way.

Overview

Software Engineers within Publicis Media concentrate on the development, implementation, and ongoing innovation of world-class leading engineering products, business analytics, and next-generation technologies. The Lead Software Engineer we seek to join our team will be on point for web application design, development, implementation, and ongoing support. Your ability to work on multiple projects simultaneously, including enhancements and new project development, will be critical to successfully delivering end products. The design and development of these applications require a collaborative spirit to partner with the broader engineering team while partnering on different infrastructure layers.

Responsibilities
  • Translating application storyboards and use cases into functional applications
  • The design, build, and maintenance of efficient, reusable, and reliable C# code
  • Integration with 3rd party APIs for data consumption
  • Integration with data storage solutions such as SQL Server
  • Ensuring the best possible performance, quality, and responsiveness of applications
  • Identifying bottlenecks and bugs, devising solutions to mitigate and address these issues
  • Integration of the front-end and back-end aspects of the web application
  • Collaboration with other team members and stakeholders
Qualifications
  • A self-starting sense of urgency with an eye to commitment of quality and professionalism.
  • Strong attention to detail and a passion for creating visually appealing interfaces that enhance the user experience.
  • Strength in ASP.Net MVC, C#, .NET Core
  • Strong understanding of JavaScript, Node, React, and Vue.js
  • Knowledge and understanding of JS frameworks
  • Knowledge of Entity Framework, OWIN, IoC, and WebAPI
  • Strong knowledge of writing and consuming REST APIs
  • Strong knowledge of relational databases such as MS SQL Server, MySQL, or Postgres
  • Good knowledge of MVC and MVVM patterns
  • Proficient understanding of code versioning tools such as Git
  • Bachelor's degree in Computer Science or related field is preferred
  • 5-7 years of development experience
Additional Information

Our Publicis Groupe motto "Viva La Difference" 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 USMSTACompliance@publicis.com. All your information will be kept confidential according to EEO guidelines. 

Compensation Range: $110,580 - $173,995 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 10/2/2025

#DNI

 Compensation Range: USD $ - . 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. 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 4/5/2025.Employment Type: OTHER