Title: Java Web Application Developer Location: Greenwich, CT Job Description: nteractive 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 Hybrid role (3 days in office /2 days remote) About your Team: This is an opportunity to build high-performance, scalable, and standards-driven software. You'll be joining our Web Development Group, where you'll play an active role in every phase of the development lifecycle, contributing to the systems that directly serve and impact our customers. What will be your responsibilities within IBKR: - Design, develop, maintain web-based applications and programs for our online brokerage services. - Maintain large-multi-tiered web applications to support our customer registration and account management systems. - The design, development, support of Oracle database schemas, PL/SQL packages, scheduled batch processing, Java applications and servers. What required skill’s you need: - A master’s degree in computer science or related field - A minimum of 3 years of experience in web application development - Knowledge of Oracle, PL/SQL, Object-Oriented Programming and Java - Experience with Spring Framework (Spring Boot, Spring MVC) - Experience designing single page applications using frameworks like Angular and/or Vue.js - Proficiency with front-end technologies including HTML5, CSS3, TypeScript, and component-based architecture - Experience using Bitbucket and Gerrit for source control, including branching strategies, pull requests, and code reviews within a collaborative team environment. - Hands-on experience with Gradle as a build automation tool, including dependency management, multi-project builds, and custom build scripting - Familiarity with AI-assisted development tools, including Claude Code and other agentic coding tools, to accelerate development workflows and improve code quality - Exposure to UNIX/Linux To be successful in this position, you will have the following: - Attention to details - Fast learners - Self-motivated and directed individuals - A desire and aptitude for solving complex problems - Highly analytical people 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. Company paid medical healthcare premium. - Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP) - 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

• The Senior Backend Engineer is responsible for designing, building, and optimizing the core services, APIs, and data processing components that power desktop and distributed software applications. • This role focuses on performance, reliability, security, and scalability at the service and data layers, ensuring seamless integration with thick client applications such as Electron-based platforms. • Key Responsibilities: Design and implement scalable backend services and APIs to support thick client desktop applications. • Architect service-layer logic for validation, analytics, and business rule enforcement. • Develop and maintain data processing pipelines for structured and semi-structured data. • Optimize backend systems for performance, concurrency, and efficient resource utilization. • Design clean, well-documented RESTful APIs and service contracts for client-server communication. • Implement authentication, authorization, and secure data handling mechanisms. • Support secure communication between backend services and Electron or other desktop client frameworks. • Contribute to database schema design and data modeling strategies. • Participate in code reviews and maintain backend engineering standards. • Collaborate with DevSecOps teams to support containerization, CI/CD pipelines, and automated testing.

• Develop and maintain the price book, ensuring competitive and profitable pricing structures • Lead the overall pricing strategy, including analysis of market trends, competitor pricing, and customer value propositions • Own the comprehensive commercial strategy, aligning it with company goals and adapting to evolving business needs • Partner with product teams to inform pricing and commercial decisions based on feature development and roadmap • Work with finance to analyze financial impacts of pricing models and commercial initiatives • Collaborate with sales and marketing to align strategies, support deal structuring, and enhance go-to-market efforts • Oversee renewals processes, including tracking, negotiation, and execution to maximize retention rates • Maintain and optimize the renewals database for accurate forecasting and reporting • Ensure customer compliance with contracts, identifying risks and implementing mitigation strategies • Lead contract structuring and negotiations for key deals, renewals, and amendments • Implement tools and processes to track and enhance commercial performance metrics • Conduct in-depth market research to inform pricing models and commercial decisions • Analyze competitor offerings, industry benchmarks, and economic factors impacting SaaS pricing • Generate actionable insights from data to refine strategies and identify new revenue opportunities

• Implement features and improvements to existing functionality in collaboration with the product team; • Develop backend services using well-crafted technical solutions; • Contribute to product architecture discussions; • Evaluate solutions, impacts, and risks, and estimate effort; • Perform evolutionary maintenance on the system, working with legacy code; • Assist the Quality Analyst in developing the QA strategy; • Share knowledge with team members; • Seek to understand the business domain.