Hareesh Kumar
Chennai
Summary
Dynamic data science consultant at Tata Consultancy Services with proven expertise in managing both AI-driven data science initiatives—including demand forecasting and generative AI—and large-scale Big Data processing pipelines using Azure Databricks. Skilled in developing robust, end-to-end data pipelines and predictive models that enhance operational efficiency and drive actionable business insights. Adept at collaborating with cross-functional teams to deliver scalable solutions that improve decision-making and maximize business value.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Consultant | Solution Architect
Tata Consultancy Services
Chennai
11.2023 - Current
- Contributed to innovative data science solutions for a leading US pharmacy retailer, enhancing demand forecasting, price recommendations, and inventory management.
- Scaled and automated data pipelines and model deployments using Azure Databricks and PySpark, reducing operational overhead and accelerating insights delivery.
- Designed an AI-powered assistant employing Retrieval-Augmented Generation (RAG) to improve user query accuracy and reduce support workload.
- Spearheaded adoption of Backstage developer platform, improving documentation, onboarding, and enabling engineering teams to deliver business value efficiently.
Associate Consultant | Solution Architect
Tata Consultancy Services
Chennai
01.2019 - 11.2023
- Modernized mainframe systems by building REST APIs with Java Spring Boot and implementing CI/CD pipelines (GitHub, Jenkins) to streamline deployments.
- Engineered real-time data pipelines with Apache Kafka and transitioned analytics to Python, improving data integration, responsiveness, and processing efficiency.
- Developed predictive models and data-driven applications, strengthening business intelligence and decision-making capabilities.
- Architected scalable big data solutions (Hadoop, HBase, Spark) and led Optumera platform rollout to optimize inventory management and assortment planning.
Assistant Consultant | Technical Architect
Tata Consultancy Services
Minneapolis
07.2015 - 12.2018
- Led migration of 13 enterprise J2EE applications from IBM WebSphere to Apache Tomcat, driving end-to-end planning, compatibility analysis, and cutover with minimal business disruption.
- Optimized deployments and database connectivity, resolving platform-specific dependencies and achieving equal or improved application performance post-migration.
- Enabled mainframe automation via JZOS, integrating Java with z/OS systems and delivering a Java Swing UI that simplified critical mainframe task execution for non-experts.
- Specialized in application modernization and legacy platform transformation, bridging classic enterprise systems with modern, scalable technologies.
IT Analyst | Module Lead
Tata Consultancy Services
Greater Minneapolis-St. Paul Area
07.2012 - 06.2015
- Led seamless transition from development to production support for the Multi Channel Inventory Model program, ensuring operational stability and effective inventory control.
- Served as primary liaison between technical and support teams, driving clear communication and proactive issue resolution.
- Conducted impact analyses and coordinated with stakeholders to address dependencies and mitigate transition risks.
- Delivered new technology initiatives with measurable business value, minimizing service disruption across inventory systems.
Systems Engineer | Application Owner
Tata Consultancy Services
Chennai Area
07.2010 - 06.2012
- Ensured reliability of mission-critical production systems in a high-availability environment, aligning application health with business goals.
- Served as primary escalation point for production issues, driving rapid root cause analysis and resolution.
- Led continuous monitoring and automation initiatives, reducing system downtime and proactively mitigating risks through real-time analytics.
- Consistently met Level of Service agreements, enhancing user experience and strengthening application reliability.
Assistant System Engineer | Support Engineer
Tata Consultancy Services
06.2008 - 06.2010
- Provided 24x7 on-call support, swiftly resolving production issues to minimize system downtime and maintain business continuity.
- Led incident reduction initiatives by analyzing root causes and implementing preventive solutions to improve system reliability.
- Developed and executed automation scripts, streamlining repetitive tasks and boosting team productivity.
- Collaborated across teams to enhance technical operations and ensure seamless operation of critical retail business systems.
Education
Bachelor of Engineering (B.E.) - Computer Science & Engineering
Government College of Technology
Coimbatore01.2008
Skills
- Data pipeline development
- Demand forecasting
- Machine learning
- Generative AI
- Predictive modeling
- Azure Databricks
- Python programming
- Time series analysis
- Supervised learning
- Unsupervised learning
- PySpark
Certification
- SCRUM MASTER ACCREDITED CERTIFICATION
- Functional Programming Principles in Scala
- Functional Program Design in Scala
- The Arduino Platform and C Programming
- Oracle Certified Professional, Java SE 6 Programmer
Timeline
Consultant | Solution Architect
Tata Consultancy Services
11.2023 - Current
Associate Consultant | Solution Architect
Tata Consultancy Services
01.2019 - 11.2023
Assistant Consultant | Technical Architect
Tata Consultancy Services
07.2015 - 12.2018
IT Analyst | Module Lead
Tata Consultancy Services
07.2012 - 06.2015
Systems Engineer | Application Owner
Tata Consultancy Services
07.2010 - 06.2012
Assistant System Engineer | Support Engineer
Tata Consultancy Services
06.2008 - 06.2010
Bachelor of Engineering (B.E.) - Computer Science & Engineering
Government College of Technology
Similar Profiles
Vrunda ChindhadeVrunda Chindhade
HR Manager at Tata Consultancy Services, TCS, Tata Consultancy Services LimitedHR Manager at Tata Consultancy Services, TCS, Tata Consultancy Services Limited
Sreya BasuSreya Basu
Procare Analyst at Tata Steel(Tata Consultancy Services)Procare Analyst at Tata Steel(Tata Consultancy Services)
Arun VArun V
Program Manager at Tata consultancy services | Financial Ombudsman ServicesProgram Manager at Tata consultancy services | Financial Ombudsman Services
Naimish AgnihotriNaimish Agnihotri
Assistant Delivery Manager at Tata Consultancy Services, Global Shared ServicesAssistant Delivery Manager at Tata Consultancy Services, Global Shared Services
Herbert Jeffrin MHerbert Jeffrin M
Specialist - Global Funds Control at Bank of New YorkSpecialist - Global Funds Control at Bank of New York