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Senior Software Engineer

Ibkr

Greenwich, CT Remote permanent

Posted: April 7, 2026

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Quick Summary

Senior Software Engineer is responsible for designing and developing software applications for high-performance trading platforms. The ideal candidate should have expertise in .NET programming languages and experience with distributed systems. Strong problem-solving skills and attention to detail are required.

Job Description

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.

This is a hybrid role (3 days in the office/2 days remote).

About the team:

Interactive Brokers (IBKR) has been at the forefront of the Fintech space for over 40 years, and we pride ourselves on being a technology company. We continue to challenge the status quo and push boundaries to offer our clients the best trading platform with the most sophisticated features at the lowest cost.

What will be your responsibilities within IBKR:

• Design and develop applications and services supporting IBKR’s rapidly growing client base.

• Build software that supports the expansion of IBKR brokerage business into new markets around the world.

• Optimize and refactor existing code for improved reliability and performance.

• Write and maintain design and engineering documentation.

Which skills are required:

• Bachelor’s or master’s degree in Computer Science, or related degree.

• Minimum 5 years of professional programming experience.

• At least 3 years of Java programming experience.

• Python, Perl or similar scripting language experience.

• Relational databases experience (Oracle).

• Strong analytical skills.

• Good communication skills.

What we’d also love to see:

• Prior experience in finance

• An ambitious and diligent individual

• An innovative mindset with a drive to improve upon existing systems

• A desire to solve complex problems

To be successful in this position, you will have the following:

• Self-motivated and able to handle tasks with minimal supervision.

• Superb analytical and problem-solving skills.

• Excellent collaboration and communication (Verbal and written) skills.

• Outstanding organizational and time management skills.

Company Benefits & Perks

• Competitive salary, annual performance-based bonus and stock grant

• Retirement plan 401(k) with competitive company match

• Excellent health and wellness benefits, including medical, dental, and vision benefits, and a company-paid medical healthcare premium.

• Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP)

• Paid time off and a generous parental leave policy

• Daily company lunch allowance provided, and a fully stocked kitchen with healthy options for breakfast and snacks

• Corporate events, including team outings, dinners, volunteer activities and company sports teams

• Education reimbursement and learning opportunities

• Modern offices with multi-monitor setups

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