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Startup Software Developer Jobs in Illinois (NOW HIRING)

QT9 Software, Inc.

.NET Developer - QMS

Aurora, IL

$70K - $105K/yr

NET Developer for our QMS team. In this role, you will design, develop, and maintain complex .NET ... Founded in 2005, we have grown from a startup into a globally trusted software company while ...

blueStone

Ruby Developer

Chicago, IL

Looking for an mid level software developer to work on our Backend platform. If you are interested in working in a startup environment and you're passionate about web development, then you'll fit ...

Civis Analytics

Software Engineer (Contract)

Chicago, IL · On-site +1

$90K/yr

... software developer/engineer * Familiarity with AI/ML concepts and experience building and ... The opportunity to be part of a growing tech startup focused on solving interesting and meaningful ...

Civis Analytics

Software Engineer (Contract)

Chicago, IL · On-site +1

$90K/yr

... software developer/engineer * Familiarity with AI/ML concepts and experience building and ... The opportunity to be part of a growing tech startup focused on solving interesting and meaningful ...

Civis Analytics

Software Engineer (Contract)

Chicago, IL · On-site +1

$90K/yr

... software developer/engineer * Familiarity with AI/ML concepts and experience building and ... The opportunity to be part of a growing tech startup focused on solving interesting and meaningful ...

VIEWS

Software Engineer

Chicago, IL · On-site

We * are a startup that helps the real estate industry save time and money. Although our company is ... Sass / Less, Bootstrap * Backbone / Angular / Ember / React * DevOps * RESTful web services ...

Supernova Technology

Junior Software Engineer

Chicago, IL · On-site

$80K - $100K/yr

About the Role We are looking to fill an entry level software engineer to learn from our top ... Ability to adapt to the dynamic and changing nature of a startup company and developer roles Our ...

JCSI

Software Engineer

Chicago, IL

Improve CI/CD pipelines, DevOps practices, and development workflows * Troubleshoot and resolve ... Experience working in high-growth SaaS or startup environments * Experience leveraging analytics ...

Itron, Inc.

Software Engineering Manager

Chicago, IL · On-site

... startup environment. Duties & Responsibilities * Lead and manage an agile Scrum team delivering ... Collaborate crossfunctionally with QA, DevOps/SRE, and other engineering leaders to improve agile ...

Itron, Inc

Software Engineering Manager

Chicago, IL

... startup environment. Duties & Responsibilities * Lead and manage an agile Scrum team delivering ... Collaborate crossfunctionally with QA, DevOps/SRE, and other engineering leaders to improve agile ...

MessageControl

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

As a Software Engineer at MessageControl you'll be building intelligent products to protect people ... You've previously worked at a startup or think you'll enjoy working on many things you've never ...

MessageControl

Senior Software Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

As a Software Engineer at MessageControl you'll be building intelligent products to protect people ... You've previously worked at a startup or think you'll enjoy working on many things you've never ...

Itron, Inc.

Software Engineering Manager

Chicago, IL · On-site

... moving startup environment. Duties & Responsibilities * Lead and manage an agile Scrum team ... Collaborate cross-functionally with QA, DevOps/SRE, and other engineering leaders to improve agile ...

ITW Avery Weigh-Tronix

Embedded Software Engineer

IL

$135K - $178K/yr

Objective of role: The Embedded Software Engineer is responsible for the design, development ... to startup behavior, communication failures, timing issues, memory, and interaction between ...

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Showing results 1-20

All JobsStartup Software Developer JobsStartup Software Developer Jobs in Illinois

Startup Software Developer information

See Illinois salary details

$46.5K

$108.4K

$160.9K

How much do startup software developer jobs pay per year?

As of Aug 2, 2026, the average yearly pay for startup software developer in Illinois is $108,381.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,200.00 and $126,000.00 per year, depending on experience, location, and employer.

What does a Startup Software Developer do?

A Startup Software Developer is responsible for designing, developing, testing, and maintaining software applications in a fast-paced startup environment. Their work often involves working closely with founders and small teams to build products from the ground up, rapidly iterating based on user feedback. They may handle a variety of tasks beyond coding, such as participating in product discussions, troubleshooting issues, and sometimes even contributing to deployment and infrastructure decisions. Flexibility, adaptability, and a willingness to learn new technologies are crucial in this role. The job often requires balancing speed with quality while adapting to the evolving needs of the startup.

What are some unique challenges faced by software developers working at startups compared to larger companies?

Startup software developers often encounter a fast-paced and dynamic work environment where priorities can shift rapidly as the business evolves. Unlike larger companies with well-defined processes and teams, startup developers may need to wear multiple hats, handle a broader range of tasks, and take full ownership of projects from ideation to deployment. This can be both challenging and rewarding, as it requires adaptability, strong problem-solving skills, and the ability to work independently while collaborating closely with a small, cross-functional team. The learning curve can be steep, but it offers excellent opportunities for growth and making a visible impact.

What are the key skills and qualifications needed to thrive as a Startup Software Developer, and why are they important?

To thrive as a Startup Software Developer, you need strong programming skills, experience with full-stack development, and a solid understanding of software engineering principles, usually supported by a degree in computer science or related fields. Familiarity with agile project management tools, version control systems like Git, and modern frameworks such as React or Node.js is highly valued. Adaptability, creativity, and effective communication are essential soft skills for navigating rapidly changing requirements and collaborating in small, dynamic teams. These skills and qualities are crucial for delivering innovative solutions quickly and driving success in the fast-paced startup environment.

What is the difference between Startup Software Developer vs Software Engineer?

AspectStartup Software DeveloperSoftware Engineer
CredentialsTypically requires a bachelor's degree in CS or related fieldUsually requires a bachelor's or higher in CS or related field
Work EnvironmentFast-paced, dynamic startup settingVaries from corporate to tech firms, often structured
Industry UsageCommon in startups and small tech companiesWidespread across industries and company sizes
Job FocusBuilding new products, rapid development, versatile rolesDesigning, developing, testing software systems

Startup Software Developers and Software Engineers share similar educational backgrounds and work in tech environments, but Startup Software Developers often work in fast-paced, flexible roles focused on building new products in startup settings. Software Engineers may work in more structured environments with broader industry applications.

Startup Software Developer jobs near you
Infographic showing various Startup Software Developer job openings in Illinois as of July 2026, with employment types broken down into 81% Full Time, 7% Part Time, 1% Temporary, and 11% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $108,381 per year, or $52.1 per hour.

.NET Developer - QMS

QT9 Software, Inc.

Aurora, IL

$70K - $105K/yr

Full-time

Posted 26 days ago

Job description

Description:

About the Company

QT9 Software builds the quality and operations platform purpose-built for regulated manufacturers. Our QMS is trusted by 1,200+ companies across medical devices, pharmaceuticals, aerospace, food & beverage, and other regulated industries to manage compliance, documentation, and audit readiness. Our ERP brings those same companies a fully integrated operations platform — inventory, production, purchasing, and traceability — built to work natively with the quality system, not alongside it as an afterthought.


We are the only platform that gives a regulated manufacturer a complete, pre-validated quality and operations solution without the enterprise price tag or the 18-month implementation. Our customers don't just use us — they rely on us when the auditor walks in the door.


Advantages of working at QT9 Software

  • Strong culture where people are our most valuable asset.
  • Prime location near Chicago Premium Outlets.
  • Modern industrial warehouse built in 2019 with 24 ft. ceilings.
  • Cool amenities from Golf Simulator, Sport Court and Arcade games.
  • Growing team with a small company feel.
  • Provide you with the support you need to succeed in your role.
  • Competitive compensation package with great benefits.


Job Description

QT9 Software is seeking an experienced .NET Developer for our QMS team. In this role, you will design, develop, and maintain complex .NET applications. Working closely with project managers and senior developers, you will deliver high-quality software solutions that meet business requirements.


To be considered, candidates must have .NET experience and a strong background in C#, ASP.NET MVC/Web Forms, Web API, and SQL Server. This position is full-time and onsite in Aurora, IL. We will be relocating to Batavia, IL early 2027.


Job Responsibilities

  • Design, develop, and maintain .NET applications using C#, ASP.NET MVC/Web Forms, Web API, and SQL Server
  • Collaborate with project managers and senior developers to understand project requirements and priorities
  • Write clean, maintainable code following best practices and coding standards
  • Perform unit testing and debugging to ensure software quality and reliability
Requirements:
  • Bachelor’s degree in computer science, Engineering, or related field.
  • 1+ years of professional development experience.
  • Proficiency in C#, ASP.NET MVC/WEB FORMS, and SQL Server.
  • Strong understanding of object-oriented programming principles.
  • Excellent problem-solving and analytical skills.
  • Ability to work effectively in a fast-paced environment.


#ZR

Company Description

At QT9 Software, we build cloud-based SaaS and on-premise QMS and ERP solutions that help companies in regulated industries simplify compliance, improve quality, and operate more efficiently. Our platform replaces spreadsheets and disconnected systems with a single, scalable platform used by 1,200+ organizations worldwide.

Founded in 2005, we have grown from a startup into a globally trusted software company while maintaining a collaborative, product focused culture. We design intuitive, configurable solutions that teams can implement quickly and adopt at scale.

At QT9, your work has real impact. You will be trusted to own your work. Your ideas will be heard, and your contributions will directly shape the platform and customer experience. Whether you are building features, supporting customers, or improving internal processes, you will see the results of your work in real time.

We are a growing, engaged team that values collaboration, accountability, and continuous improvement. Our environment is team oriented, where people take pride in their work and hold a high standard for performance.

Headquartered in Aurora, Illinois (moving to downtown Batavia in 2027), QT9 offers the opportunity to grow your career while making a tangible difference.