> Markdown version of [/jobs/ext/3812266-senior-java-developer](https://www.wearedevelopers.com/jobs/ext/3812266-senior-java-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - **Company:** Interactive Brokers - **Location:** Greenwich, CT, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Amazon Elastic Compute Cloud, Automation of Tests, Code Review, Relational Databases, Software Design Patterns, Linux, Web Development, Perl (Programming Language), Gradle, Java Database Connectivity, Spring Framework, Python (Programming Language), Object-Oriented Software Development, Oracle (Applications), Simple Data Format, Software Engineering, Systems Integration, Parquet, Enterprise Software Applications, Gerrit, GitHub Copilot, Spring-boot, Git, Data Lakes, Information Technology, Bitbucket, Claude, Model Context Protocol, Microservices - **Published:** October 18, 2026 - **Apply:** https://www.dice.com/job-detail/ab9b13ad-6053-46f8-81c2-7971288eb34c ## About the Role We're looking for a Senior Java Developer to drive the full software development lifecycle - from planning and prioritization through testing and release. With strong technical depth and the communication skills to align technical and business stakeholders. This role suits someone who is organized, deadline-driven, process-disciplined, and thrives in cross-functional collaboration., * Bachelor's or Master's degree in Computer Science, Information Technology, or a related field. * 5-10 years of experience designing and building medium-to-large scale applications using Java and/or Python/Perl on Linux platform. * Strong hands-on experience with Java Spring, including both Spring Boot (micro services) and traditional Spring applications. * Strong grasp of object-oriented design principles and common design patterns. * Experience with JDBC and relational databases (Oracle preferred). * Hands-on experience using AI-assisted development tools (e.g., Claude, GitHub Copilot, or similar) across the software development life cycle. * Excellent collaboration and communication skills, with experience partnering across development teams on critical roll outs. * Knowledge of financial instruments or a strong motivation to learn financial markets and concepts. Nice to have : * Experience with Git, Gerrit, Bitbucket, Gradle, and/or Ivy. * Experience building or integrating MCP (Model Context Protocol) servers to connect AI tools with internal systems, enabling faster, AI-assisted development workflows. * Experience developing web applications using Spring Boot * Experience with SWIFT MT/MX messaging standards. * Hands-on experience with AWS, including data lake architectures (using Parquet file formats), Athena, and EC2, for building and operating datadriven, production-grade applications. What makes you successful in this role : * Strong technical and business knowledge * Self-motivated, results-oriented, and able to work independently with minimal supervision * Strong analytical and problem-solving capabilities. * Excellent verbal and written communication skills. * Outstanding organizational and time-management discipline. ## Description * Design, develop, and maintain high-performance, scalable, and resilient financial applications * Optimize and refactor existing code to improve reliability and performance. * Partner with other developers and stakeholders to plan, prioritize, and deliver development initiatives * Validate AI-assisted or AI-refactored code with sufficient automated test coverage before submitting for review. * Conduct thorough code reviews - including validation of testing results - and ensure large change sets are broken into reviewable units * Collaborate across teams to implement and roll out solutions in both production and development environments. * Proactively identify and resolve technical issues before they impact downstream systems