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Freelance Backend Net Developer Jobs in Illinois

NET experience who is ready to grow alongside our product, teams, and revenue. In this role, you'll ... Skilled in Front End development with Angular and Back End development with C#. * Experience ...

NET experience who is ready to grow alongside our product, teams, and revenue. In this role, you'll ... Skilled in Front End development with Angular and Back End development with C#. * Experience ...

Account Executive (Chicago)

Chicago, IL · On-site

$100K - $140K/yr

When Focused first started, we partnered with enterprises like Hertz and PODS to modernize backend ... Generate net new revenue from outbound and/or partnerships motions * Find creative, practical, and ...

Account Executive (Chicago)

Chicago, IL · On-site

$100K - $140K/yr

When Focused first started, we partnered with enterprises like Hertz and PODS to modernize backend ... Generate net new revenue from outbound and/or partnerships motions * Find creative, practical, and ...

Showing results 41-60

Freelance Backend Net Developer information

What is the difference between Freelance Backend Net Developer vs Freelance Frontend Net Developer?

AspectFreelance Backend Net DeveloperFreelance Frontend Net Developer
Primary FocusServer-side logic, databases, APIsUser interface, client-side scripting, design
Required Skills.NET, C#, SQL, REST APIsHTML, CSS, JavaScript, frameworks like Angular or React
Work EnvironmentServer environments, cloud platforms, backend systemsWeb browsers, UI/UX design, client devices
Common UsageBuilding and maintaining server-side applicationsCreating interactive and responsive user interfaces

While both roles involve .NET technologies, Freelance Backend Net Developers focus on server-side development, databases, and APIs, whereas Freelance Frontend Net Developers specialize in creating engaging user interfaces and client-side functionality. Understanding these differences helps clients choose the right freelancer for their project needs.

What are the most commonly searched types of Backend Net Developer jobs in Illinois?

The most popular types of Backend Net Developer jobs in Illinois are:

What are popular job titles related to Freelance Backend Net Developer jobs in Illinois?

For Freelance Backend Net Developer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Freelance Backend Net Developer jobs in Illinois look for?

The top searched job categories for Freelance Backend Net Developer jobs in Illinois are:

What cities in Illinois are hiring for Freelance Backend Net Developer jobs?

Cities in Illinois with the most Freelance Backend Net Developer job openings:

Infographic showing various Freelance Backend Net Developer job openings in Illinois as of August 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution.

Senior Software Engineer (Platform & Internal Tools)

Zest Health

Chicago, IL • On-site

$126K - $166K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 28 days ago


Job description

Company Description

At Zest Health, we've built a platform, API, mobile apps and tools to redefine how consumers experience healthcare. Come join our team of technologists to help us grow and achieve our vision.

We're seeking an enthusiastic, experienced and driven individual to join our team to focus on backend web engineering, platform services, internal tools as well as stability, performance and security. The Senior Software Engineer will be expected to design and develop server-side solutions while working side-by-side with product, design and engineering team members.

As a cloud-hosted solution atop Microsoft Azure, we are built using .NET (C#), TeamCity, JavaScript, Objective-C, Swift, Java as well as supporting applications written in Python and Node.js. Our membership continues to grow rapidly, providing you with the opportunity to work on production-ready use cases and rapid deployment capability (CI/CD) that will quickly allow you to find your code in production and in use by our members, Smart Concierge teammates and customers.

Job Description

Zest expects all of our engineers to bring a desire to both offer and receive mentorship and an eagerness to share knowledge amongst each other and with the community. Additionally, team members are expected to attend and present at rotating tech talks as well as seek to strengthen their knowledge via attendance and participation in community and professional events.

Create and maintain web applications for internal, customer, and consumer use

Handle full development life cycle of web applications

Participate in daily stand-ups and provide continous feedback to the team

Provide support and mentorship to junior engineers

Work with Engineering Team Lead(s) to design and implement scalable, high-performance solutions

Work with mobile engineering team members for seamless integration with platform and API

Work closely with QA and automation team to support identification and resolution of issues

Monitor and troubleshoot SQL environments for performance issues

Knowledge of the Healthcare Industry and HIPAA compliance a plus

Qualifications

5 or more years in .NET web application development

3 or more years with MVC.NET web framework

Experience with SQL Server 2008 and newer

Experience with OO, N-Tier, and IOC architectures

Experience with MSTest and writing unit tests

Experience with HTML, JavaScript, CSS

Experience with Angular and/or Knockout a plus

Experience with or exposure to cloud host providers (preferably Microsoft Azure)

Knowledge of responsive frameworks

Web integration using SOAP, REST, JSON, XML, etc.

Excellent problem solving, analytical skills and technical troubleshooting skills

Excellent communication skills

Ability to work alone or as part of a team as needed

Ability to learn new skills quickly as needed

Additional Information
WHAT WE OFFER:
  • Medical, dental, & vision
  • Competitive salary
  • Engineering and product design influenced culture
  • Free in-building gym membership
  • Flexible in-office hours and generous vacation policy
  • Free snacks, coffee, and soda in our stocked kitchen
  • Company outings & happy hours
  • Michigan avenue office location
  • Engaging start-up atmosphere
  • 401k program
  • An opportunity to be one of the first 10 engineers