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Open nowPosted 2 days ago

Senior Java Developer

ibgllc202 open roles

Where
Greenwich, CT, USA
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Your applicationOpen nowSenior Java Developeribgllc · Greenwich, CT, USA

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The clock on this job

Early applications get read.

10.5% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.3%3 days
  3. 10.5%7 days
  4. 15.9%14 days
  5. 34.1%30 days
This job: posted 2 days ago

The posting

This is Hybrid role (3 days in office /2 days remote) About your Team: Our team builds and supports mission-critical applications that power Interactive Brokers' back office, accounting, treasury, and compliance functions globally. 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. Key Responsibilities :

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

Required Qualifications :

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.

Company Benefits & Perks

Competitive salary, annual performance-based bonus, and stock grant awards 401(k) retirement plan with competitive company match Excellent health and wellness benefits, including medical, dental, and vision benefits. 100% employer-paid medical premiums, with generous employer contributions to dental & vision plans as well. Wellness screening and assessments, health coaches, and counseling services through an Employee Assistance Program (EAP) Generous paid parental leave (up to 16 weeks paid parental leave for eligible employees) Company-paid basic life insurance, accidental death & dismemberment (AD&D), and short- and long-term disability coverage Flexible Spending Accounts (Healthcare, Dependent Care, and Commuter FSAs) Quarterly fitness stipend to offset costs associated with traditional gym and fitness memberships or fees Education reimbursement and professional development opportunities Legal services, telehealth access, and voluntary insurance options Backup child and adult care support through Care.com Daily lunch allowance and fully stocked kitchen with healthy breakfast and snack options

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