Senior Python Developer Jobs in USA 2026

Experienced technology professionals seeking a challenging career opportunity should explore this exciting position. A leading technology employer in Texas is currently seeking a Senior Python Developer to join its onsite team. This role offers the chance to work on advanced analytics platforms, large scale financial datasets, and high performance computing solutions. Furthermore, qualified international candidates may be eligible for H 1B visa sponsorship, making this opportunity attractive to global talent. About the Role The Senior Python Developer will play a critical role in designing and maintaining sophisticated analytics applications. The successful candidate will develop scalable solutions that support portfolio performance analysis, risk assessment, and financial attribution calculations. Additionally, the role requires close collaboration with quantitative analysts and investment professionals. This position focuses on building reliable systems capable of processing large volumes of financial and time series data. Therefore, candidates should possess strong technical expertise and problem solving abilities. The role also demands a commitment to software quality, performance optimisation, and continuous improvement. Job Duties Design and develop Python based analytics platforms for financial analysis. Build and improve calculation engines supporting portfolio performance evaluations. Develop batch processing pipelines for large scale data processing activities. Analyse financial and time series datasets with accuracy and efficiency. Collaborate with quantitative analysts to implement financial models effectively. Translate complex business requirements into scalable production ready solutions. Maintain applications within Linux and cloud based environments. Monitor system reliability, performance, and operational efficiency consistently. Implement software development best practices across application lifecycles. Perform unit testing and optimise application performance regularly. Enhance analytics frameworks to support evolving business requirements. Support ongoing maintenance and continuous improvement initiatives. Job Requirements Bachelor’s or Master’s degree in a quantitative or computational discipline. At least five years of practical Python development experience. Strong expertise in Python, including NumPy, Pandas, and SciPy. Excellent SQL skills for querying and analysing large datasets. Proficiency working within Linux or Unix environments. Experience with shell scripting and process automation tools. Knowledge of version control systems, particularly Git. Understanding of testing frameworks and performance optimisation techniques. Experience building computationally intensive data driven applications. Strong communication and collaboration skills across diverse teams. Interest in financial markets, analytics, and quantitative problem solving. #J-18808-Ljbffr