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Tejavardhan R. Email & Phone Number

Senior Data Engineer at Fiserv
Location: United States 6 work roles
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Current company
Role
Senior Data Engineer
Location
United States
Company size

Who is Tejavardhan R.? Overview

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Tejavardhan R. is listed as Senior Data Engineer at Fiserv, a with 36173 employees, based in United States. AeroLeads shows a matched LinkedIn profile for Tejavardhan R..

Tejavardhan R. previously worked as Senior Data & Python Engineer at Fiserv and Senior Data & Python Engineer at San Francisco Unified School District.

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Fiserv

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Profile bio

About Tejavardhan R.

As a Senior Software Engineer with over a decade of experience and certifications in AWS, Azure, and GCP, I excel in crafting scalable data solutions, optimizing database systems, and implementing advanced machine learning models. My proficiency in Python, PySpark, and database management systems like PostgreSQL, Oracle, and SQL Server allows me to streamline data flows and enhance cloud infrastructure. I build high-performance RESTful APIs using FastAPI, Flask, and Django, and orchestrate complex workflows with Apache Airflow and Cloud Composer. My expertise extends to cloud data warehousing with AWS Redshift, Google BigQuery, and Azure Synapse, and real-time data streaming using Kafka, AWS Kinesis, Azure Stream Analytics, and Google Cloud Pub/Sub. Skilled in containerization with Docker and Kubernetes, I ensure scalable and reliable cloud environments. Proficient in Infrastructure as Code with Terraform and Azure Resource Manager, I deliver efficient, automated cloud deployments. My experience in deploying machine learning models on AWS SageMaker, Azure ML Studio, and Google AI Platform drives data-driven insights. Committed to leveraging cutting-edge technologies, I deliver robust data solutions that enable organizations to achieve their strategic objectives.

Current workplace

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Fiserv
Fiserv
Senior Data Engineer
United States
Website
Employees
36173
AeroLeads page
6 roles

Tejavardhan R. work experience

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Senior Data Engineer

United States

Senior Data & Python Engineer

Current

Atlanta, Georgia, United States

As I led the development and enhancement of data processing pipelines using Python, ensuring streamlined data manipulation and statistical analysis. I managed PostgreSQL databases, integrating various data sources through SQL Alchemy and a unified analytics platform. I built RESTful APIs using FastAPI and orchestrated data workflows with automated CI/CD pipelines. My responsibilities encompassed executing SQL queries for data analysis and optimizing data warehousing solutions using Informatica and Snowflake. Additionally, I designed and implemented real-time data ingestion strategies and developed ETL processes for efficient data management and integration, including leveraging Unix for script automation and system management. I also contributed to optimizing computing clusters and deploying applications in containerized environments, while automating infrastructure management and implementing machine learning models to drive data insights and model interpretability.

Jan 2022 - Present

Senior Data & Python Engineer

San Francisco, California, United States

Here, I played a pivotal role in developing and optimizing big data solutions using PySpark, managing relational databases, and implementing data integration solutions with PyODBC. I designed and maintained API services, orchestrated data workflows using an open-source workflow scheduler, and managed CI/CD pipelines for continuous integration and deployment. Utilizing a scalable data warehouse, I performed advanced data analytics and optimized database configurations for high availability. My contributions included integrating real-time data streams, managing data streaming processes, and designing efficient ETL pipelines. I also operated big data environments, deployed containerized applications using a container orchestration platform, automated infrastructure management, implemented machine learning models, and managed various services to ensure secure and efficient infrastructure operations.

Mar 2018 - Dec 2021

Senior Data & Python Engineer

St Louis, Missouri, United States

Here, I developed and refined data processing scripts using Python, managed SQL databases with a focus on optimization, and implemented robust data integration workflows using PyODBC. I designed RESTful APIs using Flask for seamless data access, orchestrated data workflows efficiently, and set up CI/CD pipelines for automated software delivery. Utilizing visualization tools, I created interactive reports to facilitate data-driven insights and managed large-scale data operations. I also built serverless applications to handle data processing tasks, managed real-time data streams, and led the development of ETL processes for efficient data movement and transformation. Additionally, I optimized big data processing techniques, deployed applications using container technologies, automated infrastructure management, developed predictive models, and ensured the efficient operation of IT resources for data storage and computing.

Sep 2017 - Feb 2018

Software Engineer

Chicago, Illinois, United States

Here my work involved in optimized big data processing jobs using PySpark, designed and maintained SQL Server databases, and built scalable APIs with Django. I leveraged Looker for creating interactive dashboards, managed Google BigQuery data warehouses, and implemented real-time data integration with Google Pub/Sub and Apache Kafka. My role involved developing ETL processes with Google Cloud Dataflow, utilizing Databricks for advanced analytics, and deploying machine learning models with Google Vertex AI. I automated Google Cloud infrastructure with GCP Terraform, managed deployments with Docker, and streamlined development workflows with GitHub. Additionally, I oversaw various Google Cloud services and utilized open-source technologies to enhance big data frameworks, supporting strategic decision-making across the enterprise.

Jan 2015 - Aug 2017

Software Engineer

Monroe, Louisiana, United States

Here, I utilized Python, Pandas, and NumPy to collect, preprocess, and ensure the accuracy of telecommunication data. I employed Python scripts, Excel, and SQL queries to clean data, manage missing values, and prepare datasets for analysis, while managing relational databases like MySQL using SQL for efficient data storage and retrieval. I developed interactive visualizations with Tableau to highlight key metrics and trends, and conducted statistical analysis using Scikit-Learn, Excel, and R. Additionally, I generated detailed analytical reports using Microsoft Word and Google Docs, collaborated with business stakeholders to provide data-driven insights, mastered SAS and Google Analytics, engaged in continuous learning through platforms like Udemy, and worked with cross-functional teams to support project goals and improve data governance. I implemented data security measures to protect sensitive information, ensuring compliance with legal and regulatory standards.

Oct 2012 - Dec 2014
Team & coworkers

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FAQ

Frequently asked questions about Tejavardhan R.

Quick answers generated from the profile data available on this page.

What company does Tejavardhan R. work for?

Tejavardhan R. works for Fiserv.

What is Tejavardhan R.'s role at Fiserv?

Tejavardhan R. is listed as Senior Data Engineer at Fiserv.

Where is Tejavardhan R. based?

Tejavardhan R. is based in United States while working with Fiserv.

What companies has Tejavardhan R. worked for?

Tejavardhan R. has worked for Fiserv, San Francisco Unified School District, Ascension, Zurich North America, and Lumen Technologies.

Who are Tejavardhan R.'s colleagues at Fiserv?

Tejavardhan R.'s colleagues at Fiserv include Nitesh Helaiya, Cynthia Mccoullough, Touhid Shaikh, Tucker Macfarlane, and David White.

How can I contact Tejavardhan R.?

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