Athiraj A
Senior Data Engineer
Chennai
Summary
Accomplished Senior Data Engineer with a proven track record at EPAM and Innova Solutions, enhancing data quality and operational efficiency by over 30%. Expert in Azure Databricks, AWS, Python, SQL and fostering agile methodologies. Excelled in automating tasks and mentoring teams, driving significant improvements in data processing and collaboration.
Senior engineering professional with deep expertise in data architecture, pipeline development, and big data technologies. Proven track record in optimizing data workflows, enhancing system efficiency, and driving business intelligence initiatives. Strong collaborator, adaptable to evolving project demands, with focus on delivering impactful results through teamwork and innovation. Skilled in SQL, Python, Spark, and cloud platforms, with strategic approach to data management and problem-solving.
Overview
2025
2025
years of professional experience
4
4
years of post-secondary education
2
2
Languages
Work History
Senior Data Engineer
EPAM
Chennai
09.2022 - Current
- Ensured data quality through rigorous testing, validation, and monitoring of all data assets, minimizing inaccuracies and inconsistencies.
- Reengineered existing ETL workflows to improve performance by identifying bottlenecks and optimizing code accordingly.
- Championed the adoption of agile methodologies within the team, resulting in faster delivery times and increased collaboration among team members.
- Participated in strategic planning sessions with stakeholders to assess business needs related to data engineering initiatives.
- Collaborated with cross-functional teams to define requirements and develop end-to-end solutions for complex data engineering projects.
- Optimized data pipelines by implementing advanced ETL processes and streamlining data flow.
- Mentored junior team members in best practices for software development, code optimization, and troubleshooting techniques.
- Analyzed large datasets to identify trends and patterns in customer behaviors.
- Increased operational efficiency by automating repetitive tasks using Python scripts, allowing focus on higher-priority projects.
- Designed scalable ETL pipelines for improved data ingestion, processing, and storage.
Data Engineer
Innova Solutions
Chennai
Mar2020 - Sep2022
- Optimized data processing by implementing efficient ETL pipelines and streamlining database design.
- Collaborated on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
- Enhanced data quality by performing thorough cleaning, validation, and transformation tasks.
- Automated routine tasks using Python scripts, increasing team productivity and reducing manual errors.
- Designed scalable and maintainable data models to support business intelligence initiatives and reporting needs.
- Provided support for end-users in accessing and utilizing the data warehouse effectively, addressing any concerns or issues that arose.
- Optimized data warehouse performance by implementing strategic partitioning and indexing techniques.
- Reduced costs by automating manual processes using AWS Lambda functions.
Software Engineer
Xoriant
Chennai
09.2018 - 03.2020
- Developed scalable and maintainable code, ensuring long-term stability of the software.
- Integrated new technologies into existing systems, increasing capabilities and improving overall performance.
- Conducted data modeling, performance and integration testing.
- Ensured high availability of critical systems by designing and deploying fault-tolerant architectures on AWS infrastructure.
- Developed custom ETL processes for efficient data ingestion and transformation.
- Optimized data processing by implementing AWS-based big data solutions.
- Minimized downtime with proactive monitoring and troubleshooting of complex data pipelines.
- Increased productivity by providing training and support for team members on various AWS services, tools, and best practices.
Education
Bachelor of Engineering - Electrical, Electronics And Communications Engineering
KLN College of Engineering
Madurai, India 08.2014 - 05.2018
Skills
Git version control
Timeline
Senior Data Engineer
EPAM
09.2022 - Current
Software Engineer
Xoriant
09.2018 - 03.2020
Bachelor of Engineering - Electrical, Electronics And Communications Engineering
KLN College of Engineering
08.2014 - 05.2018
Data Engineer
Innova Solutions
Mar2020 - Sep2022
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