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Founding Full Stack Software Engineer Jobs in Illinois

We are seeking a Full Stack Software Engineer to build and enhance the internal tools, applications, and infrastructure that support our research, engineering, and trading teams. The ideal candidate ...

Full Stack Software Engineer

Chicago, IL · Remote

$125K - $145K/yr

Full Stack Software Engineer RCM Platform Are you ready to join a cutting-edge healthcare startup dedicated to revolutionizing the industry through innovative technologies? Our client, National ...

Full Stack Software Engineer

Chicago, IL · Remote

$125K - $145K/yr

Full Stack Software Engineer RCM Platform Are you ready to join a cutting-edge healthcare startup dedicated to revolutionizing the industry through innovative technologies? Our client, National ...

The Senior Full Stack Engineer is a pivotal member of the software development team, deeply engaged in every phase of the development lifecycle. This role encompasses a broad spectrum of ...

The Senior Full Stack Engineer is a pivotal member of the software development team, deeply engaged in every phase of the development lifecycle. This role encompasses a broad spectrum of ...

The Senior Full Stack Engineer is a pivotal member of the software development team, deeply engaged in every phase of the development lifecycle. This role encompasses a broad spectrum of ...

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Founding Full Stack Software Engineer information

What are the key skills and qualifications needed to thrive as a Founding Full Stack Software Engineer, and why are they important?

To thrive as a Founding Full Stack Software Engineer, you need deep expertise in both front-end and back-end development, strong problem-solving skills, and experience building scalable web applications, usually demonstrated by a degree in computer science or equivalent experience. Mastery of tools and frameworks such as JavaScript, React, Node.js, cloud platforms (AWS, GCP), and version control systems like Git is typically required. Exceptional communication, adaptability, and entrepreneurial mindset are crucial for collaborating in a dynamic startup environment and driving product vision. These skills are vital for rapidly iterating, shipping robust products, and establishing a strong technical foundation for a growing company.

What are Founding Full Stack Software Engineers?

Founding Full Stack Software Engineers are technical professionals who join a startup at its earliest stages to help build and shape the company's core products and technology infrastructure. They work across both the front-end and back-end of applications and play a key role in making architectural decisions, setting up development processes, and establishing the technical foundation. As 'founding' team members, they often have greater responsibilities, including working closely with company founders, contributing to product strategy, and sometimes receiving equity or a stake in the company.

What unique challenges might I face as a Founding Full Stack Software Engineer in an early-stage startup?

As a Founding Full Stack Software Engineer, you’ll often juggle multiple responsibilities, from designing core architecture to deploying code and setting up development workflows. Since resources are limited and the product vision can evolve quickly, adaptability and strong communication with founders and other early team members are key. You may also be deeply involved in decisions beyond pure engineering, such as hiring, product strategy, and even customer support. This environment can be both demanding and highly rewarding, offering accelerated learning and significant influence over the company’s technical direction.
What cities in Illinois are hiring for Founding Full Stack Software Engineer jobs? Cities in Illinois with the most Founding Full Stack Software Engineer job openings:
Infographic showing various Founding Full Stack Software Engineer job openings in Illinois as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
Full Stack Software Engineer

Full Stack Software Engineer

SG Cap Trading

Chicago, IL

Other

Medical, Dental, Vision, Retirement, PTO

Posted 17 days ago


Job description

Job Openings >> Full Stack Software Engineer
Full Stack Software Engineer
Summary
Title: Full Stack Software Engineer ID: 1021 Location: Chicago, IL
More about this job >
Description
SG is a boutique technology company founded in 2004. We use technology and big data to solve real world financial puzzles. Our competitive advantage is a true meritocracy minimizing politics and rewarding results. The foundation of our culture is continuous improvement. 
We are seeking a Full Stack Software Engineer to build and enhance the internal tools, applications, and infrastructure that support our research, engineering, and trading teams. The ideal candidate is a hands-on developer with strong Python experience, a passion for solving complex problems, and the ability to work across application development, data systems, and infrastructure. 
Responsibilities:
  • Own and enhance internal software systems supporting research, engineering, and trading operations.
  • Develop across the full stack, including applications, data pipelines, infrastructure, and tooling.
  • Design, implement, and document scalable infrastructure solutions.
  • Leverage AI coding tools (Claude, Codex, GitHub Copilot, Cursor, LLMs) to accelerate development, debugging, and testing.
  • Collaborate with traders, systems engineers, and software engineers to deliver effective software solutions.
Requirements:
  • 2+ years of experience in a Full Stack Software Engineer, Software Developer, or similar software development role.
  • Proficiency in Python for scripting, automation, and data processing.
  • Experience integrating Python-based tools and data workflows into web applications.
  • Familiarity with Git, code reviews, and CI/CD development practices.
  • Experience working with relational and analytical databases.
  • Comfortable in Linux environments (Ubuntu/Debian, CentOS/RHEL).
  • Strong problem-solving skills and a solution-oriented mindset.
  • BS in Computer Science, Computer Engineering, or related field (or equivalent experience).
Preferred Additional Skills:
  • Knowledge of C++, including STL, memory management, pointers, and object-oriented programming.
  • Understanding of core Linux services such as systemd, SSH, DNS, and DHCP.

What we offer:
  • Work-Life Balance - no excessive overtime
  • Competitive market-based pay with results based rewards
  • Solid benefit package including 401(k), medical, dental and vision
  • Generous time off including holidays and vacation
  • Education Reimbursement
  • Freedom to solve technical challenges
  • Fully stocked break room, weekly lunches, volunteer opportunities, and more!
Apply Now
 
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