> Markdown version of [/jobs/ext/1896213-software-developer-python](https://www.wearedevelopers.com/jobs/ext/1896213-software-developer-python). 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 Developer - Python - **Company:** Interactive Brokers - **Location:** Greenwich, CT, United States - **Experience:** Expert - **Salary:** $200,000.0 - $250,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Batch Processing, C++ (Programming Language), Code Review, Databases, Data Architecture, Information Engineering, Data Governance, Extract Transform Load (ETL), Linux, Programming Tools, Monitoring of Systems, Python (Programming Language), NumPy, Software Engineering, Scripting, Data Storage Technologies, Pandas, Information Technology, Codebase, Data Pipelines - **Published:** August 1, 2026 - **Apply:** https://www.dice.com/job-detail/eb776a74-de3f-4650-8ebe-72a98fe85c3a ## About the Role * 5+ years of professional software engineering experience in Python, C++ or Java * 3+ years of professional experience in Python as a primary language (non-scripting) * Extensive experience in Polars, Pandas or NumPy * 1-3 years of professional experience with Linux operating systems * Thorough understanding of databases and SQL * Experience with large Python codebases * Bachelor's or master's degree in Computer Science, or a related area * High attention to detail Good to Have: * Experience with data engineering or ETL pipelines * Knowledge of finance * Knowledge of C++ or Java * Masters/PhD To be successful in this position, you will possess the following: * Self-motivated and able to handle tasks with minimal supervision. * Superb analytical and problem-solving skills. * Excellent collaboration and communication (Verbal and written) skills. * Outstanding organizational and time management skills. ## Description The Financial Crimes Surveillance team develops and maintains sophisticated systems that detect and prevent fraud, market manipulation, and money laundering across Interactive Brokers' global platform. In this role, you'll architect, implement, optimize, and maintain large-scale data pipelines and surveillance models that process massive volumes of financial data. The team consists of software engineers, data engineers, compliance specialists, and data scientists working on mission-critical infrastructure that directly protects the integrity of the financial system. The Scale & Impact: * Process 1+ billion order events and 6+ million trades daily * Protect 4.5+ million client accounts * Direct impact on financial security and regulatory compliance What will be your responsibilities within IBKR: Technical Excellence * Design, optimize, and extend transaction surveillance and data pipeline processes to enhance system efficiency, reliability, and scalability * Navigate seamlessly between strategic, system-level architecture and function-level implementation details of our surveillance system, which orchestrates 150+ processes * Optimize data architectures and databases for maximum performance and reliability * Build developer tooling to accelerate development workflows and system monitoring * Ensure data accuracy, security, and compliance with regulatory standards Ownership and Cross-Functional Partnership * Take ownership of projects and sub-systems from planning through resolution, making impactful decisions on complex technical and business-related questions * Collaborate effectively with quantitative engineers, surveillance model developers, and Compliance stakeholders to translate complex business requirements into scalable designs and processes * Identify project bottlenecks, risks, and limitations; calculate costs; and provide strategic insights to stakeholders * Transform high-level surveillance concepts into production-ready processes that deliver actionable insights Data Architecture & Stewardship * Own and curate dozens of mission-critical datasets that drive surveillance operations * Design, build, and automate robust data pipelines to support real-time and batch processing * Develop advanced data quality frameworks to proactively identify issues before they impact operations Innovation & Optimization * Contribute to the evolution of coding standards and internal code review processes * Drive best practices in data storage, retrieval, governance, and privacy protection * Drive automation of processes and workflows to reduce manual effort and enhance system maintainability ## Related Videos - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [Vectorize all the things! Using linear algebra and NumPy to make your Python code lightning fast.](https://www.wearedevelopers.com/videos/562-vectorize-all-the-things-using-linear-algebra-and-numpy-to-make-your-python-code-lightning-fast) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) - [How to implement convenient Python bindings to C++](https://www.wearedevelopers.com/videos/618-how-to-implement-convenient-python-bindings-to-c) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [The 13 Best Python Libraries for Developers in 2025](https://www.wearedevelopers.com/magazine/371-the-13-best-python-libraries-for-developers-in-2025) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)