Oct 2023 – May 2025 · 1 yr 7 mos · Hybrid

• Worked as Lead Engineer for a Tier-1 Global Investment Bank, architecting automated data pipelines for compliance, trading analytics and network segmentation initiatives.
• Key Responsibilities:
• Built Python-based compliance automation frameworks processing large volumes of structured/unstructured data.
• Delivered data pipelines for trading analytics, risk metrics computation and regulatory reporting.
• Integrated solutions with secure banking infrastructure, internal APIs and controlled dev environments.
• Improved system stability, latency, and audit traceability across multiple trading and compliance workflows.
• Acted as technical lead across multi-team initiatives involving data science, platform engineering and compliance stakeholders.
• (Client name not disclosed to comply with NDA.)

Jan 2022 – Oct 2023 · 1 yr 9 mos · Hybrid

• Delivered large-scale automation and analytics solutions for a Fortune 50 / Top-5 Global Technology Company, working as a Lead Python Developer through TCS.
• Key Responsibilities:
• Led the development of automation pipelines for financial reconciliation, data validation and large-scale ingestion frameworks.
• Designed Python microservices and REST APIs powering internal financial and operational workflows.
• Implemented forecasting models and analytics dashboards used by business and finance teams.
• Provided technical leadership: code reviews, architecture, sprint planning, mentoring and stakeholder engagement.
• Delivered high-impact improvements that increased data accuracy, processing speed and system reliability.
• (Client name intentionally omitted in compliance with NDA.)

Mar 2017 – Jan 2022 · 4 yrs 10 mos · London, England, United Kingdom · On-site

• Developed mission-critical Django applications, including a loyalty points system for express coffee machines and mobile app integration for real-time transactional tracking.
• Integrated third-party payment gateways into retail and financial applications, enabling secure and seamless digital transactions.
• Contributed to a Python-based online trading platform, focusing on secure transaction processing, API integrations, and system design.
• Optimized backend services and frontend performance, increasing user engagement by 40% and reducing page load times by 30%.
• Built CI/CD pipelines with Jenkins, automating deployments for fintech and retail solutions to improve reliability and speed.
• Created data visualizations and reporting dashboards to provide insights on transaction trends, customer behavior, and operational performance.

Mar 2015 – Mar 2017 · 2 yrs · Kolkata Area, India · On-site

• A Proven Track Record in Enterprise Application Development and Digital Transformation
• During my two-year tenure at PwC India, I contributed to significant government projects focused on digital transformation and efficiency. As a Senior Python Engineer and Technical Architect, I played a key role in designing, developing, and deploying robust solutions.
• Key Accomplishments:
• Digital Transformation for Thane Municipal Corporation:Led the development of a Document Management System (DMS) using Python, Django, and GCP to digitize and manage millions of physical documents, improving efficiency and accessibility for the Indian government.
• Enhanced Digital Services for Oriental Insurance:Designed and developed a comprehensive web portal using Java, Spring, Hibernate, and MySQL to provide a seamless online experience for customers, including product information, premium calculations, policy purchases, and renewals.
• My experience at PwC India has equipped me with a strong foundation in enterprise application development, digital transformation, and project management. I am confident in my ability to contribute to complex projects and deliver exceptional results.

Oct 2009 – Sep 2013 · 3 yrs 11 mos · Portland, Oregon Area

• Provided educational expertise and mentoring to junior team members.
• Improved systems with addition of new features and infrastructure.
• Supervised architecture, design and implementation of company-wide platforms and applications.
• Guided teams during continuous integration / continuous delivery (CI/CD) processes.
• Researched and adopted new technologies to add value to existing offerings.
• Assessed project milestones and team performance to keep staff on-task.

Jul 2005 – Jul 2009 · 4 yrs · Detroit, Michigan, United States · On-site

• Led integration projects for a major automotive enterprise, designing and implementing middleware solutions using core Java, Java CAPS, JMS, Oracle, and SAP.
• Developed and maintained high-volume, enterprise-grade data integration workflows, facilitating seamless data exchange across ERP, CRM, and legacy systems.
• Collaborated with cross-functional technical teams to optimize system connectivity, improve message reliability, and ensure data consistency across distributed applications.

Jan 2003 – Jan 2005 · 2 yrs · United Kingdom, Kolkata, India

• Worked closely with clients to establish specifications and system designs.
• Directed software design and development to meet client needs for functionality and performance.
• Identified causes of issues within applications and determined which modifications needed to be made.