David Regalado

Hi there!

Thank you for visiting my profile. I am passionate about data & AI. Throughout my 17 years of professional experience I have seen projects of various types, sizes and industries. 

Summary

In my country, I've worked in the biggest companies like:

- Financial Services: Scotiabank, Interbank
- Telecommunications: Telefónica del Perú, Claro
- Consulting: Teradata Perú, Indra, Encora
- Consumer Credit Reporting Agencies: Equifax
- Ad-Tech: Manya.pe

In those companies, I did the whole data lifecycle: data extraction, ingestion, data manipulation, data modeling (normalization, denormalization, etc), data analysis, data quality assessments. In short, the ETL part (data pipelines) + data analysis. 

Achievements: The Data Warehouses/Lakes and dashboards were delivered to my clients, so they could start making data-driven decisions.

These recent years I've been working for U.S. clients as a contractor. Specifically:

- Academics: University of Chicago
- Healthcare: Amplifon
- Cyber Security: Anomali
- Ad-Tech: Clevertech
- Startup: Nebula.io

Achievements: Data pipelines delivered and students gratuated from the University program.

Highlight

- Founder at Data Engineering Latam, the largest, fastest-growing data community in Latin America: https://www.linkedin.com/company/data-engineering-latam
- I taught Python for Data Science in the University of Chicago.
- Recognized as Champion Innovator by Google
- I led teams of 20 people in 3 different occasions.
- Recurrent speaker and jury in events related to data & AI.

Studies

- Systems Engineer from the Technological University of Peru (UTP), tenth superior.
- With a specialization in Data Science from Johns Hopkins University.
- With a specialization in Data Warehousing for Business Intelligence from Colorado University.
- With a specialization in Data Science and Big Data Analytics from MIT.
- With 4 certifications, 15 specializations and 67 Google Cloud Platform digital badges.
- With studies in Artificial Intelligence at UBA-IALAB

Tech stack

Cloud Computing: Google Cloud (GCP), AWS, Azure
Data Engineering: Apache Beam, Airflow, Spark, Databricks, Snowflake, dbt, Hadoop, Hive, Luigi
Databases: BigQuery, Teradata, MongoDB, Elasticsearch, Oracle, SQL Server, PostgreSQL, Mysql
Data Visualization: Power BI, Tableau, Looker, Data Studio
Programming languages: Python, Scala, R
DevOps & CI/CD: Terraform, Docker, Kubernetes, Git, GitHub

Roles 

CTO, CDO, CDAO, Data Science Manager, Data Engineering Manager, Head of Data, Tech Leader, Data Architect, Data Engineer, Data Scientist, BI Consultant.

Ambassador at AI Time Journal

AI Time Journal is a publishing platform that strives to aware users of and around the world of Artificial Intelligence, growing technology trends, and other industry news. Its final aim is to contribute to steering the development of AI for the benefit of humanity.

Infosys

KeyBank provides seamless services in BFSi business vertical. Physical Channels project scope was to design and develop "Enterprise products System" which is used to access customer information and best match products. KeyCorp (Key) is one of the nation’s largest financial services companies. Key Companies provide investment management, retail and commercial banking, consumer finance and investment banking products to individuals and companies throughout the United States and, for certain businesses, internationally.
Responsibilities:
•	Senior Developer in KeyBank, developing and supporting consumer Auth Module, registration, profile and login Microservices bundled a cluster of Restful services for AWS API gateway invocation by Lambda services used up by all KEYBANK customers and subscribers. Worked in agile framework as an individual contributor Responsibilities include - Interaction with Business team in story grooming, reviewing story/acceptance criteria.
•	Transformed legacy based monolithic app to microservices architecture using Spring Boot 12-factor app architecture cum methodology. Deployed, Scaled, Configured, wrote manifest file for various Microservices in PCF. Implemented REST Microservices using spring boot. Generated Metrics with method level granularity and Persistence using Spring AOP and Spring Actuator.
•	Extensive usage of Rest Template to invoke External API Calls.
•	Implemented Zipkins for distributed Micro Service Monitoring. Integrated Swagger UI and wrote integration test along with REST documentation. Implemented Hysterix a Latency and Fault Tolerance system for Distributed Systems. Wrote Controller, Services and directive code using Angular JS 1.X for a POC for converting CIM UI.Used spring config server for centralized configuration and Splunk for centralized logging. Used Concourse and Jenkins for Microservices deployment.•Developed story/task by following TDD/BDD and Pair programming concepts. Providing daily status in scrum meetings

Senior Software Engineer

Atos Syntel

• Adept at building strong working relationships with peers,coworkers& management.Talented problem solver able to think “outside the box.”Proven background leading teams in stressful, deadline-oriented environments.Followed Agile/Scrum methodology that included iterative application development, three week Sprints daily KANBAN stand up's JIRA Confluence,CA Technologies,HP Quality Center.
• Implemented interactivity SPA's,UI pages using JavaScript, JQuery ,Spring MVC,FlexGrid,
• Deployed SprinBoot based Micro-serves to Cloud platforms viz PCF,AWS,Google Cloud via CI/CD Pipelines Devops Streams Jenkins,Ansible,Kubernateus,Apigee,OAuth. • Involved in detailed analysis based on the requirement documents. 
•Configured the POJO's with the backend tables in Hibernate to achieve associations.
•Played key role as a Full Stack Developer in developing both front- and back-end functionality for diverse Single Page WeX-RSb Applications. Implemented web UI/UX Design with Angular4.x/Typescript2.0, Bootstrap 3, JavaScript/jQuery and high chart data/metrics visualization tools.
•	Developed UI pages with Spring MVC, HTML5, CSS3, and used Bootstrap for creating Web pages. Implemented design patterns such as the Session Façade, Adaptor, Bean Factory, and Singleton.
•	Integrated spring DAO for data access using Hibernate to fetch data from database and to avoid multiple redundant database access.

•	Microservices has been built using spring boot, spring security and deployed to PCF cloud
•	Used Microservice architecture, with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers
•	Deployed RESTful web services onto production systems support for JSON, HTML, and XML based response data formats
•	Worked extensively with No SQL Cassandra CQL

Senior Software Development Engineer

Allstate

•	Designed and implemented product release workflow and internal web application for Discover Financials’ next generation distributed Collection/Payment System. Actively involved in Analysis, Design, Development, System Testing and User Acceptance Testing. Successfully followed the agile methodology in the Scrum Cycle model.
•	Worked on Test Driven Development [TDD] Code Review, build developing code with Full coverage testing using Junit/ Test Suite and static analyser tools like Pitest [mutation testing].
•	Implemented Spring boot microservices to process the messages into the Kafka cluster setup. Worked as Onshore lead to gather business requirements and guided the offshore team on timely fashion.
•	Closely worked with Kafka Admin team to set up Kafka cluster setup on the QA and Production environments.
•	Had knowledge on Kibana and Elastic search to identify the Kafka message failure scenarios. Implemented to reprocess the failure messages in Kafka using offset id.
•	Implemented Kafka producer and consumer applications on Kafka cluster setup with help of Zookeeper.
•	Used Spring Kafka API calls to process the messages smoothly on Kafka Cluster setup. Written an external API call to explore the connection mechanism to between Sequential to Lease Accelerator (LA) and Sequentra to Laverton Integration system
•	Used Spark API to generate Pair RDD using Java programming. Have knowledge on partition of Kafka messages and setting up the replication factors in Kafka Cluster.
•	Worked on Big Data Integration &Analytics based on Hadoop, SOLR, Spark, Kafka, Storm and web Methods.
•	Explored with the Spark improving the performance and optimization of the existing algorithms in Hadoop using Spark Context, Spark -SQL, Data Frame, Pair RDD's, Spark YARN.
•	Handled importing of data from various data sources, performed transformations using Hive, MapReduce, loaded data into HDFS and Extracted those message data in required formats.

Senior Software Developer Team Lead

 Xerox Capital Services

Senior Tech Lead Project: EBiz Maintenance & Enhancement.
 Supported their portal day-to-day services; maintained the portal; provided routine checks and enhancements

Senior Java Cum Developer Lead 

KeyBank Banking/Financials, Brooklyn OH Physical Channels.

•Over 12 years, 7 different roles, multiple Clients - "My journey has been a great learning experience and all leaders  in these organizations  have encouraged me to succeed at my goals to take on new roles at every stage of my career.
•IT Industry Designing and delivering  solutions on various Real time architectures & messaging systems,Micro Services, Application Integration,Business Process Management & Workflows, Monitoring Business Intelligence, Reporting & Analytics, and Modern Applications. Mastered all phases of SDLC viz strategic study,requirement analysis,System design/dev,testing, and post support activities.
•Good Communication, problem solving skills.Worked in various delivery models ,meet work pressure and deadlines.•Enthusiastic,hardworking, quick learner and always eager to take up new assignments. 
•Expertise  includes various domains such as E commerce,Banking,Energy Utilities,Broadcast Media, Insurance and Health Services.•Primarily responsible for Design, Development, preparing test cases, and unit testing.
•Adept at building strong working relationships with coworkers and management.Talented problem solver able to think “outside the box.”
•Verticals : Financial Services, Insurance, Payment Systems, Media & Entertainment, Healthcare, Retail Banking, High Tech, Public Sector
• Worked on client facing Wealth Management, Banking & E Com Apps.•Proven Catalyst with  Ability to provide POC's for technologies.
• US Citizen authorized to work in USA without sponsorship.

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David Regalado

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