Software Developer Summer Internship - 2026

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Greenwich, CT
In-Office
Internship
Financial Services
The Role
As a Software Developer intern, you will work with software engineers to develop and maintain software solutions, participate in code reviews, and contribute to FinTech projects for a leading brokerage firm.
Summary Generated by Built In
Company Overview

Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment.

IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments.

Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology.

About Interactive Brokers

Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. For nearly five decades, we have been at the forefront of financial technology innovation and known for our advanced technology and client commitment.

Our affiliates provide automated trade execution and custody of securities, commodities, foreign exchange, and forecast contracts around the clock on over 160 markets in numerous countries and currencies from a single unified platform. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers, in over 200 countries and territories.

Interactive Brokers is a member of the S&P 500 and has consistently earned recognition as a top broker, garnering multiple awards and accolades from respected industry sources such as Barron's, Investopedia, Stockbrokers.com, and many others.

Join our dynamic, multinational team shaping the future of online investing with cutting-edge technology.                                                                                                                                                      

IBKR Internships 2026

As an intern, you will contribute to back, middle and/or front office projects. This 10-week program is onsite and offers hands-on learning, mentorship, and exposure to multiple areas of the business at a leading global brokerage firm. We aim to equip interns with the skills, knowledge, and professional mindset needed to succeed in the financial services industry.

If you are a computer science student passionate about technology and eager to learn in our high-energy, fast-paced environment, apply today.  

As a Software Developer intern, you will:

  • Work closely with our experienced software engineers to design, develop, and maintain software solutions
  • Own your project while checking in with other team members with questions and updates throughout the day
  • Participate in code reviews to ensure code quality and distribute knowledge

What You Gain from the IBKR Experience

  • Own projects under the guidance of your mentor  
  • Develop high-performance, large-data research platforms
  • Contribute independently and collaboratively as a member of your team 
  • Work in small groups to build the future of FinTech
  • Gain a deep understanding of data structures and algorithms
  • Become an excellent problem solver and out-of-the-box thinker

Position Requirements 

  • Required onsite 10-week program commitment
  • Currently Pursuing a BS, MS, or Ph.D. in Computer Science or Software Engineering
  • Students graduating between Dec 2026 and May 2027 (preferred)
  • Have a minimum GPA of 3.5
  • Should have programming experience in C++, Java, or Python
  • Strong problem-solving and analytical skills
  • Ability to work both independently and in groups
  • Ability to prioritize and set goals on shifting priorities

Intern Benefits & Perks
  • Daily company lunch allowance provided. 
  • Access to free all-day sodas, juices, snacks, and fresh organic fruits
  • Free shuttle service from the train station.
  • Access to Wellness room.
  • Gym access on subsides rates.
  • Lunch and Learn sessions for networking.  
  • Team building outing 
  • Modern offices with multi-monitor setups

Application Timeline

Applications for our 2026 Software Development Internship Program will be accepted until Fen 2026. The internship will start in June 2026.

Top Skills

C++
Java
Python
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The Company
HQ: Greenwich, CT
2,441 Employees

What We Do

Rated #1 Best Online Broker in 2022 for 5 consecutive years by Barron's.

Interactive Brokers Group (Nasdaq: IBKR) and its predecessor companies have been building trading technology for over 44 years. Interactive Brokers Group’s consolidated equity capital exceeds $10 billion.

Throughout its history, the company’s mission has remained unchanged: Create technology to provide liquidity on better terms. Compete on price, speed, size, diversity of global products and advanced trading tools.

Interactive Brokers LLC is a member of NYSE, FINRA, SIPC. For more information, visit: ibkr.com

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