> Markdown version of [/jobs/ext/4639658-software-engineer-iii](https://www.wearedevelopers.com/jobs/ext/4639658-software-engineer-iii). 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). --- # Software Engineer III - **Company:** Interactive Brokers - **Location:** Greenwich, CT, United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Relational Databases, Programming Tools, Python (Programming Language), Oracle Databases, Software Engineering, SQL Databases, Code Restructuring - **Published:** November 8, 2026 - **Apply:** https://www.dice.com/job-detail/4b0a96a4-22c6-4e06-8d85-4850f8655caa ## About the Role * Skill in the Java programming language. * Skill in the Python programming language. * Skill in SQL for data queries and modification. * Skill in relational database design. * Skill in Oracle PL/SQL development is a plus. * Skill in ORACLE RDBMS implementation is a plus. * Skill in relational database refactoring is a plus. ## Description * Write functional, performant, and maintainable source code following company best practices and standards. * Collaborate with project managers to refine functional specifications. * Collaborate with software managers to refine design specifications. * Learn new software technologies to enhance system performance and reliability. * Learn new development tools and practices to improve software development performance.