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Codex Jobs in Chicago, IL (NOW HIRING)

Arrivia

AI Agent Builder

Chicago, IL

Hands-on experience with Microsoft Power Automate , Copilot , and agent-enabling platforms (e.g., Claude, Codex, n8n ). * Connectivity: Deep expertise in APIs and Webhooks is essential for connecting ...

Arrivia

AI Agent Builder

Chicago, IL · On-site +1

Hands-on experience with Microsoft Power Automate , Copilot , and agent-enabling platforms (e.g., Claude, Codex, n8n ). * Connectivity: Deep expertise in APIs and Webhooks is essential for connecting ...

Salesforce

AI Builder Partner Solutions

Chicago, IL · On-site

Claude Code, Cursor, GitHub Copilot, Windsurf, Codex, or equivalent. • Comfortable building from day 1 in new environments. • Experience integrating enterprise systems through APIs, middleware ...

Tempus

GenAI Product Builder

Chicago, IL · Hybrid

$95K - $130K/yr

Practical experience working with LLMs, agentic frameworks, prompt engineering, evaluation metrics, and AI-assisted development tools (e.g., Cursor, Claude, Codex) * Excellent communication and ...

Tempus

GenAI Product Builder

Chicago, IL · On-site

$95K - $130K/yr

Practical experience working with LLMs, agentic frameworks, prompt engineering, evaluation metrics, and AI-assisted development tools (e.g., Cursor, Claude, Codex) * Excellent communication and ...

Robert Half

Sr.Technical Accountant

Chicago, IL · On-site

$100K - $110K/yr

S. GAAP and prepare technical accounting memos for management and auditors. • Actively utilize agentic AI tools - including Claude (Anthropic), Microsoft Copilot, ChatGPT or OpenAI Codex to ...

84.51˚

Lead Technical Product Manager (P4552)

Chicago, IL · On-site

$172K - $199K/yr

... Code, Codex, Gemini CLI, Github Copilot). Company : 84.51° helps companies create sustainable growth by putting the customer at the center of everything. Founded in 2015, the company is ...

Ryan Specialty

API/Integrations Lead

Chicago, IL

$112K - $140K/yr

Mandatory: hands-on experience with Claude Code, Codex or something similar. Professional Skills * Strong technical leadership with an ownership mindset. * Clear communicator with solid stakeholder ...

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Junior Software Engineer (C++ & AI-Assisted Development)

Junior Software Engineer (C++ & AI-Assisted Development)

SG Cap Trading

Chicago, IL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 24 days ago

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 looking for a forward-thinking Junior Software Engineer to join our development team. This isn't your traditional "code-by-the-book" role. We are looking for someone who is not only proficient in the technical foundations of C++ but also treats AI development tools as a core part of their workflow to increase efficiency, code quality, and problem-solving speed.
You will work on high-performance applications, while simultaneously helping our team define the cutting edge of AI-integrated software engineering.
Responsibilities:
  • C++ Development: Write clean, maintainable, and efficient code in C++ for core system components.
  • AI Integration: Actively use AI coding assistants (e.g., Claude, Codex, GitHub Copilot, Cursor, LLMs) to accelerate prototyping, debugging, and unit test generation. Experience creating and refining, .md files, mcp servers, skills and agents.
  • Code Review & Quality: Participate in peer code reviews, ensuring that AI-generated suggestions meet our security and performance standards.
  • Collaboration: Work closely with senior engineers to translate complex requirements into functional software.
Requirements:
  • 1-2 years of experience in C++ basics, up to and including C++23 (pointers, memory management, STL, and OOP principles).
  • AI-Native Workflow: Demonstrated experience using AI tools to solve coding challenges, refactor legacy code, or learn new libraries quickly.
  • Problem Solving: A solution-oriented mindset. You know how to use the tools at your disposal to find answers and build solutions.
  • Education: BS in Computer Science, Computer Engineering, or a related field (or equivalent practical experience).
  • Preferred Additional Skills:
  • Python Proficiency: Experience with Python for scripting, automation, or data manipulation is a major plus.
  • Modern Tooling: Familiarity with Git, CLion/VSCode, and CI/CD pipelines is a plus.
  • Local LLMs: Interest or experience in running local AI models or building custom RAG (Retrieval-Augmented Generation) implementations is a plus.
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, vision, and life insurance.
  • Generous time off including holidays and vacation.
  • Education Reimbursement.
  • Freedom to solve technical challenges.
  • Fully stocked break room, weekly lunches, volunteer opportunities, and more!

Permanent authorization to work in the U.S. is required. SG will not sponsor candidates for this position.

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