Stack Engineer Intern Jobs in Chicago, IL (NOW HIRING)

As a Software Engineer, you'll work side-by-side with teammates to build real-world applications that power a global trading firm. You'll work on solutions that enable us to react to markets at lightning-fast speeds. Your work will be the magic behind the scenes, enabling our teams to make split-second decisions with precision and confidence. By working in an interdisciplinary manner and innovating and optimizing code, you will keep our firm competitive in the ever-evolving financial markets.

Optiver is building with cutting edge AI technology in the most competitive, data rich landscapes in the world: financial markets. That means no two days are the same, and every day brings new, exciting technical challenges to solve.

What you'll do

Your onboarding

In the first eight weeks, you will participate in Optiver's comprehensive Global Academy and be equipped with the knowledge needed to make an impact the moment you join your team. The comprehensive training covers trading theory and Optiver's tech stack to hone your skills for your role. In addition, you will be paired with a dedicated mentor who will empower you to take ownership of your work and make a difference at the firm.

Your responsibilities

• Deep dive into trading fundamentals, from theoretical concepts to financial markets, strategies, AI-enabled tools and cutting-edge technology.
• Collaborate closely with best-in-class engineers, traders, and business teams to develop simple, well-architected solutions that meet the needs of our business.
• Tackle complex, real-world problems to enhance your critical thinking and problem-solving skills.
• Push your limits and accelerate your growth in a fascinating and high-performing environment.

What you'll get

You'll join a culture of collaboration and excellence, surrounded by curious thinkers and creative problem-solvers. Motivated by a passion for continuous improvement, you'll thrive in a supportive, high-performing environment alongside talented colleagues, collectively tackling some of the toughest challenges in the financial markets.

In addition, you'll receive:

• The opportunity to work alongside best-in-class professionals from over 40 different countries
• Highly competitive compensation package
• Global profit-sharing pool and performance-based bonus structure
• 401(k) match up to 50%
• Comprehensive health, mental, dental, vision, disability, and life coverage
• 25 paid vacation days alongside market holidays
• Extensive office perks, including breakfast, lunch and snacks, regular social events, clubs, sporting leagues and more

Who you are:

• A student pursuing a bachelor's, master's, or PhD in Computer Science or Computer Engineering
• On track to graduate between December 2026 to June 2027
• Passionate for writing clean code, well-architected systems, and continuous improvement
• Proficient in coding languages such as C++, Python, or Java
• A student with strong engineering instincts and a solid understanding of computer science fundamentals
• Driven by an entrepreneurial mindset and curious about how tech powers the financial industry
• A natural problem-solver with a sharp, analytical approach to tackling challenges
• A collaborative teammate comfortable working with developers, traders and business teams

Who we are: 

Optiver is a leading technology- and research-driven trading firm. Our teams of scientists, engineers, mathematicians, and traders work side by side to develop, test, and scale ideas that shape how we understand and trade global markets. Powered by a global platform built for rapid experimentation and iteration, we combine the scientific rigor of a research institution with the pace of a technology company. 

Our differences are our edge. Optiver does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, physical or mental disability, or other legally protected characteristics. Optiver is supportive of US immigration sponsorship for this role.

Optiver has a global application re-apply policy for our intern and graduate roles. If you have completed an online assessment or interviewed for a technology graduate or internship role at any Optiver location in the past 8 months, please note that you are not yet eligible to reapply. We welcome you to re-apply to after the 8-month cool off period.