Sandhya Thangaraj

Analytical and data-oriented senior professional with extensive experience in backend development and performance engineering across multiple projects. Seeking a dynamic role combining strong technical expertise with innovative problem-solving and engineering vision. Proficient in core data structures, algorithms, and system design utilizing cloud technologies.

Known for identifying operational data bottlenecks to maintain system resilience. Recognized for problem-solving critical threshold and process improvements. Strong communication, documentation, and presentation skills in large-scale software environments.

Lead Engineer - HCL Technologies

(2022-04 - 2024-05)

• Led engineers and contractors: Hired on mod-modern innovation, maintenance, and workstream improvements.
• Trained project teams across UX, Business, Big Finance, and Algo-Dev in creating data analysis and eworkflow solutions.
• Coordinated with Hire teams, clients, and Industrial/IoT vendors to build operational dashboards.
• Collaborated and led portfolio updates, tracking boundaries and capabilities metrics for data integrity.
• Designed API and ML model documentation, database design requirements and consulting.
• Created and managed BigData, analytics, and archive uploaded data and aligned workflows.
• Delivered and mined project updates to client and led internal process reengineering for publishing/consulting.
• Programmed modular APIs, All projects had ensured aligned APIs labeled Large allocation across.
• Managed all teams, handler tasks, and real-time Data progress for pipelines and developments.
• Managed Equality/AR reports in Smartsheet, ensuring alignment and workflow accuracy.

Senior Software Engineer - KFC Financial India Analysis

(2021-03 - 2022-05)

• Developed comprehensive APIs architecture, Big Data analytics frameworks for CDF and large payloads.
• Designed and built CRM systems for data handling, analytics, and workflow solutions. Ensured CI/CD with configuration artifacts, and validation in a microservices-centric environment.
• Managed and analyzed HDFS, Hive analytics, Java, and Python database management platforms, using Spark/Scala and ML frameworks in a secure network with XGBoost and AWS architecture.
• Transitioned Hadoop clusters with OOZIE scheduling and optimized ingestion configurations, all a part-time for reporting month.
• Transitioned Hadoop clusters, Big data solutions, data validation, and BigQuery on various systems for financial data processing.
• Established ML-focused data pipelines, leveraging open-source deployment platforms and configuration in Box IT Suite with extensive APIs optimization in production.
• Developed highly scalable SDN with integration of architectural systems. Provided DAV clustering and unified authentication and authorization on all pipelines.
• In high-pressure environments, managed CI/CD workflows using distributed cloud and parallel processing for portfolio-level analytics.
• Collaborated and integrated API parameters, handling orders, events, and big data solutions and offline integration.
• Coordinated business alignment reporting, process quality assurance, and workflow process requirements and design options to teams.

Senior Executive - Cognizant Technology Solutions

(2019-11 - 2021-02)

• Governed, scaled, and integrated SQL-based and legacy system migrations from on-premise and greenfield infrastructures with SLA in AWS.
• Designed high-quality performance tuning, managing Stitch and ELT integrations for optimized workflow metrics.
• Managed end-to-end project coordination of data-based programs addressing all related processes in the financial sector.
• Assessed performance improvements, new batch service optimization for operational efficiency across teams.

Bachelor of Technology - Computer Science - Sathyabama Institute of Science and Technology