Jobs at Interactive Brokers

Conduct end-to-end application penetration testing across web, API, and mobile applications using black-box and white-box methods. Perform manual secure code reviews, trace vulnerabilities to exploitable impact, develop proof-of-concepts and automated security tooling, validate remediation, and produce technical reports. Mentor junior security professionals and contribute to AppSec methodology. Red team, mobile security, compliance, and exploit development experience are preferred.

Analyzes and reconciles corporate action information, company records, clearinghouse and bank data. Collects and processes client instructions, communicates with internal and external stakeholders, operates proprietary systems, supports system enhancements, tests functionality, and resolves deadline-sensitive shareholder service issues. The role focuses initially on proxy and shareholder services across North American, European, and APAC markets, with cross-training in bankruptcy and class actions.

Investigates and resolves client inquiries involving margin, liquidations, trade cancellations, order execution, financial products, and exchanges. Provides support through telephone, tickets, and chat while educating clients on trading platforms. Coordinates with client service, programming, clearing, compliance, and other global teams. Reviews systems and procedures, recommends enhancements, and contributes to client service policies and technology improvements.

Lead end-to-end IT customer integration projects for large institutional clients. Responsibilities include developing project plans and status reports, gathering requirements, creating Statements of Work, coordinating cross-functional technical teams, managing risks and dependencies, serving as the client point of contact, resolving complex requests, and driving process improvements.

Develop and maintain iOS mobile trading applications using the iOS SDK. Responsibilities include designing, coding, testing, optimizing, and supporting customer-facing software; researching technology solutions; collaborating with global engineering teams; resolving UI and backend-related issues; and building robust production applications and prototypes.

Supports manual and regression testing for client onboarding and Account Management APIs. Documents test cases, results, defects, reproduction steps, and supporting evidence. Collaborates with developers, product teams, and business stakeholders to resolve issues and maintain software quality across pre-release and post-release cycles. Training is provided in SQL, scripting, Postman, Selenium, API testing, and related tools.

Design, develop, test, deploy, and maintain customer-facing trading applications and back-end systems. Build high-volume Java applications, collaborate on scalability and massive data challenges, develop web services and prototypes, and optimize trading and back-office software in a global engineering environment.

Develop, maintain, and modernize internally used full-stack web applications. Responsibilities include designing and delivering software, refactoring legacy code, improving reliability and performance, advising on architecture, testing, fine-tuning, and deploying new features.

Respond to retail and professional clients through calls, email, and chat. Assist with account opening and funding, explain Trader Workstation features and margin requirements, investigate trade and order execution issues, and explain securities regulations. The role requires strong communication, quantitative and analytical abilities, finance knowledge, technical aptitude, and advanced MS Excel skills.

Develop and optimize high-volume, real-time trading and back-office applications. Responsibilities include designing, coding, testing, deploying, and maintaining Java-based front-end and back-end systems; building REST microservices; collaborating with global engineering teams; addressing scalability challenges involving large data volumes; and creating robust web and non-web applications.

Supervise a technical client support team, oversee troubleshooting of trading platforms and account issues, manage escalations, coach representatives, monitor service metrics, improve support processes, deliver training, document resolutions, and report performance trends to management.

Processes retail and institutional account applications, reviews onboarding documentation, responds to client inquiries, and maintains client records on regulatory portals. Supports AML, KYC, CIP, SEBI, and PMLA compliance; investigates negative media alerts; cross-references databases; and assists with audits, account approvals, and maintenance.

Lead network security architecture, firewall and WAF policy reviews, security posture assessments, risk-based change approvals, segmentation, zero trust, threat analysis, and audit alignment. Partner with network and infrastructure teams to validate secure designs, improve controls, reduce attack surface, and guide governance decisions across cloud and enterprise environments.

Respond to retail and professional clients through calls, email, and chat. Assist with account opening and funding, explain trading platform features and margin requirements, investigate trade issues and order executions, and explain how securities regulations affect customers. The role requires strong communication, quantitative and analytical skills, fluent English, advanced Excel proficiency, and knowledge of global financial products and exchanges.

Respond to retail and professional client inquiries through email, chat, and inbound calls. Assist with account-opening questions, review new-account documentation, and coordinate with cross-functional teams on account approval and maintenance. Follow internal policies and procedures while delivering professional client service. The role requires strong communication, organization, attention to detail, quantitative skills, and proficiency with Microsoft Office, especially Excel.

Develop and maintain scalable automated testing frameworks for front-office trading systems. Design Python-based solutions, functional and integration tests, and mocking or stubbing tools for trading applications. Troubleshoot Linux and trading-system issues, collaborate with developers, quality engineers, and traders, and deliver reliable solutions on schedule. The role requires deep FIX protocol knowledge, financial markets expertise, and strong Python, Pytest, and Git experience.

Manage risk-based KYC refresh reviews for EDD and non-EDD accounts across global client types. Conduct contextual profile, Source of Wealth, ownership, and entity-level reviews; assess documentation and regulatory compliance; manage restriction cycles and deadlines; collaborate with Compliance, Risk, and Relationship Management teams; escalate emerging risks and support audits.

Responds to retail and professional client inquiries through phone, email, and chat. Assists with account opening and funding, explains Trader Workstation features and margin requirements, investigates trade and order-execution issues, and explains relevant securities regulations. Requires brokerage or trading experience, strong quantitative and technical aptitude, advanced Excel skills, capital-markets certifications, and excellent communication abilities.

Onboard high-net-worth and institutional EMEA clients onto the trading platform, coordinate B2B client integration projects across internal teams, optimize products, conduct competitive and market research, participate in client meetings, and support Indian retail applications with account-opening and funding processes.

Designs and maintains automated testing, data quality, monitoring, and alerting frameworks for marketing technology platforms. Develops unit, integration, and acceptance test suites; validates data pipelines, databases, BI reports, and marketing analytics; integrates tests into CI/CD; reports quality metrics; and investigates failures with engineering and data teams.