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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. 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, • 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, • 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.

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 Your Team: The current Tools Engineering team has provided various world-class tools across the firm(Developers, Quality Engineers and Traders) to help solve their productivity issues and provide easy solutions to build environments at the runtime. The Tools Engineering team also provides an automated testing framework allowing end users(Devs/QA) to write functional integration test cases using simple scripts and mocking/stubbing various inputs and outputs to Interactive Broker's front office trading systems when required. What will be your responsibilities within IBKR: • We seek a self-driven, self-motivated & self-managed software developer with expertise in Python programming., • An ideal candidate will be able to design/develop solutions based on the requirements/needs of end users., • Consistently deliver on timelines with the highest quality of work., • The candidate should be able to troubleshoot problems related to the Linux operating system and trading systems individually and collaborate with other team members., • Overall, 7-10+ years of experience in the financial industry, specifically in front-office trading, is a must., • 10+ years of experience with Python programming language is a must., • Must have a deep understanding of FIX protocol., • Strong domain knowledge of financial asset classes like stocks, options, market data concepts, FIX connectivity, • Subject Matter Expert in building efficient and scalable automation frameworks using Pytest, • Good understanding of the Linux Operating System., • Docker experience will be a plus., • Knowledge of JAVA and PERL is a plus., • Backoffice & clearing experience is a plus., • Self-motivated and able to handle tasks with minimal supervision., • Superb analytical skills., • Excellent collaboration and communication (Verbal and written) skills, • Outstanding organizational and time management skillsCompany Benefits & Perks, • Competitive salary, annual performance-based bonus and stock grant, • Retirement plan 401(k) with a 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 snack, • Corporate events, including team outings, dinners, volunteer activities and company sports teams, • Education reimbursement and learning opportunities, • Modern offices with multi-monitor setups

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 Your Team: Our Financial Crimes Surveillance team seeks a Senior Data Engineer to play a critical role in protecting the financial system. You'll architect, implement, optimize, and maintain sophisticated data pipelines that power real-time and batch surveillance models that pinpoint fraud, market manipulation, and money laundering across our platform. The Scale & Impact: • Process 1+ billion order events and 5+ million trades daily, • Protect 3.5+ million client accounts, • Data Architecture & Stewardship, • Own and curate dozens of mission-critical datasets that drive surveillance operations., • Design, build, and automate robust data pipelines supporting real-time and batch processing., • Develop advanced data quality frameworks to proactively identify issues before they impact operations., • Cross-Functional Partnership, • Collaborate with quantitative engineers and surveillance model developers to translate complex business requirements into scalable data solutions., • Transform high-level surveillance concepts into production-ready processes that deliver actionable insights., • Technical Excellence, • Build an analytical infrastructure enabling seamless data exploration and visualization, • Optimize data architectures and databases for maximum performance and reliability, • Create developer tooling that accelerates pipeline development and monitoring, • Ensure data accuracy, security, and compliance with regulatory standards, • Innovation & Optimization, • Continuously enhance system reliability, performance, and efficiency, • Load and format datasets for optimal consumption by quantitative researchers and ML models, • 5+ years of professional software engineering with a focus on data pipeline development (Python or Java), • 3+ years of production Python experience beyond scripting, • Expert-level proficiency in Pandas or Polars, • 1-3 years of hands-on Linux systems experience, • Deep understanding of databases and SQL optimization, • Financial services or fintech background, • Proficiency in C++ or Java, • Self-motivation 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

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 your team: The Compliance Surveillance group is looking for a Senior Python Software Engineer to develop highly automated and scalable processes that scan order activity and trades to detect potential market manipulation and money laundering, in addition to other regulatory/criminal violations. We currently process more than 1 billion order events and 5 million trades per day for over 3.5 million client accounts. As a member of the group, you will implement, optimize, and scale our processes to handle new requirements and our anticipated large growth in client activity. What will be your responsibilities within IBKR: • Creation, optimization, and extension of trade surveillance processes, • Building infrastructure services to support our market surveillance system, • Participating in code reviews via a Git/Gerrit workflow, • 5+ years of professional software engineering experience in Python, C++ or Java, • 3+ years of professional experience in Python as a primary language (non-scripting), • Extensive experience in Pandas or NumPy, • 1-3 years of professional experience with Linux operating systems, • Thorough understanding of databases and SQL, • Experience with large Python codebases, • Bachelor's or master's degree in Computer Science, or a related area, • High attention to detail Good to Have: • Experience with data engineering or ETL pipelines, • Knowledge of finance, • Knowledge of C++ or Java, • 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

Job Description Trexquant is a growing systematic fund at the forefront of quantitative finance, with a core team of highly accomplished researchers and engineers. We are in the process of optimizing and reimagining our quant platform to keep pace with our expanding trading operations. To support our rapid growth, we are seeking a technically adept Senior Full Stack Software Engineer to reimagine and help build the next-generation of trading platforms. As a Senior Full Stack Developer at Trexquant, you will join a team that prides itself in performing at the intersection of design and technology. You will work alongside leading quants, researchers, strategists, and portfolio managers to develop and optimize a cutting-edge system. With your technical expertise, you will manage project priorities, deadlines, and deliverables to support our growing company. You will design, develop, test, deploy, maintain, and enhance software solutions to align with our team’s core priorities. If you're excited by the opportunity to build from the ground up, push technical boundaries, and drive rapid progress, we want to hear from you. Responsibilities • Adopt an entrepreneurial mindset, excelling in a dynamic environment while turning ideas into actionable results., • Design and develop production-ready full-stack web applications using modern web frameworks and technologies., • Ensure design cohesion across our systems by leveraging Figma and other design tools., • Maintain performance and cross-browser compatibility of our platform through rigorous testing and optimization., • Develop “best-in-class” engineering for our applications and services by ensuring that components are well-defined, modularized, secure, reliable, diagnosable, actively monitored and reusable, • Promote and adhere to modern software engineering practices through design reviews and code evaluations., • Bachelor’s in Computer Science, Engineering or related technical fields., • 3+ years of professional experience in designing and developing full stack applications., • 3+ years technical engineering experience with coding in languages including, but not limited to, Typescript, NextJs, GraphQL, C# or Python., • 3+ years demonstrated experience in different software development cycles: design, implementation, deployment, and live site., • Competitive salary plus bonus based on individual and company performance., • Collaborative, casual, and friendly work environment., • PPO Health, dental and vision insurance premiums fully covered for you and your. dependents., • Pre-tax commuter benefits., • Weekly company meals. Trexquant is an Equal Opportunity Employer

An innovative energy trading company in Stamford, CT is seeking a Quantitative Developer to design and optimize real-time trading systems.You will collaborate with traders and analysts to enhance algorithmic execution strategies, leveraging your strong Python and quantitative modeling skills.The rol