Project description We need a Senior Pyspark Developer to work for a leading investment bank client in Trade Surveillance Team Responsibilities Develop software applications based on business requirements Maintain software applications and make enhancements according to project specifications Participate in requirement analysis design development testing and implementation activities Propose new techniques and technologies for software development Perform unit testing and user acceptance testing to evaluate application functionality Ensure to complete the assigned development tasks within the deadlines Work in compliance with coding standards and best practices Provide assistance to Junior Developers when needed Perform code reviews and recommend improvements Review business requirements and recommend changes to develop reliable applications Develop coding documentation and other technical specifications for assigned projects Act as primary contact for development queries and concerns Analyze and resolve development issues accurately Skills Must have 8 years of experience in data intensive Pyspark development Experience as a core Python developer 6 month exp in Gen Agentic AI Experience developing Classes OOPS exception handling parallel processing Robust knowledge of DB connectivity data loading transformation calculation Extensive experience in Pandas Numpy dataframes slicing data wrangling aggregations Lambda Functions Decorators Vector operations on Pandas dataframes series Application of applymap apply map functions Concurrency and error handling data pipeline batch of size 1-10 gb Ability to understand business requirements and translate them into technical requirements Ability to design architecture of data pipeline for concurrent data processing Familiar with creating designing RESTful services and APIs Familiar with application unit tests Working with Git source control Service-orientated architecture including the ability to consider integrations with other applications and services Debugging application Nice to have Knowledge of web backend technology Django Python PostgreSQL Apache Airflow Atlassian Jira Understanding of Financial Markets Asset Classes FX FI Equities Rates Commodities Credit various trade types OTC exchange traded Spot Forward Swap Options and related systems is a plus Surveillance domain knowledge regulations MAR MIFID CAT Dodd Frank and related Systems knowledge is certainly a plus Other Languages English C2 Proficient Seniority Senior Bengaluru India Req VR-120571 Python BCM Industry 29 01 2026 Req VR-120571