Resumen profesional
Datos destacados
Experiencia
Formación
Enfatiza tus habilidades clave
Diplomas
COURSES
LANGUAGES
Cronología
Generic

Javier Ramírez Neira

Resumen profesional

Computer Engineer with 20 years of experience in software development and over 6 years specialized in Data Engineering within Big Data environments (Cloudera, Spark, Hive).

AWS Certified Developer – Associate (2022, renewed in 2025) and AWS Certified Data Engineer – Associate (2026), complementing previous hands-on experience in AWS cloud projects.

Experience in enhancing and optimizing data pipelines using Spark SQL, performance tuning, platform upgrades, and integration with data lakes (HDFS, S3). Strong background in production support, including batch process failure analysis, root cause identification, and implementation of solutions to ensure operational stability.

Interested in roles that combine solid Big Data expertise with modern cloud architectures on AWS.

Datos destacados

15
15
years of professional experience
14
14
years of post-secondary education
1
1
Certification

Experiencia

Big data Developer

Scalian Technologies
Madrid
2020.10 - Actual

Multicanalidad - Unicaja:

Aquaplus - Banco Santander: Developing big data workflow, including validations, transformation and business process with Spark SQL, data persisted in HDFS and S3. Big data platform for analysis of the credit risk of Wholesale Banking clients. Main feature: Manages socioeconomic information and financial statements for the analysis of the solvency situation of a financial institution.

Technological environment: Spark, SparkSQL, Scala, Java, hdfs, S3, Hue, Hive, Impala, Control-m.

Day One - Banco Santander: Developing big data pipeline, including ingestion raw data from data lake, validations, transformation and business process with Spark, data persisted in HDFS and S3. Calculation of metrics for Day one PL, reserves and accrual operations.

Technological environment: Spark, SparkSQL, Scala, Java, hdfs, S3, Hue, Hive, Impala, Control-m.

MOI - Banco Santander: Developing and implementing transformation jobs with Spark and automate data pipelines using Apache Airflow for the reporting system of the Middle Office and sales teams of Santander Bank.

Technological environment: Java 8, Python 3, Hive, Azure databricks, Spark, Airflow, S3, Github, Jenkins.

Medusa Project - Banco Santander: Analysis, development and testing of Banco Santander's liquidity management system, Big data platform based on Apache Flink, Kafka and Spring Java application.

Technological environment: Java 8, Spring, IntelliJ, Github, MQ queues, Flink Job, Kafka, Schema Registry, Ververica, OpenShift, Oracle, Hazelcast and S3.

Quantia - Banco Santander: Developing and implementing AWS cloud-based big data solution.

Technological environment: Lambdas, S3, EC2, ELB, DynamoDB, Cloudwatch, SQS, ECS, ECR, IAM, EKS and Terraform. Monitoring AWS infrastructure and services with Grafana and Elastic Search, API and Lambdas backend development with Python 3. Web development with react js, deployed in AWS environment.

Fullstack Developer

Neoris
Santiago, Chile
2020.03 - 2020.10

Implementing rest, soap services and frontend for the new Banco Santander Chile customer self-service portal.

Technologies: Angular 8, Tibco bw 5 and Java spring boot.

Practice in Big Data and Business Analytics

Ideorum
Madrid
2019.03 - 2019.09
  • Development and deployment of web tools for analysis, Big Data visualization, data ingestion processes and machine learning models for process optimization in the area of energy and agriculture.
  • Technologies: react js, node js, javascript, python, Spark, Spark ML, Mysql and PostgreSQL databases.

Project Manager

Kibernum
Santiago, Chile
2015.05 - 2018.07
  • Leading the implementation of fraud monitoring system for Banco Falabella Chile.
  • Project that integrates Paytrue fraud management software with bank systems, fraud detection in near real time/real time mode for transactions: ATM, POS purchases, Webpay, Redbanc, transfers.

Project Manager

Asicom S.A
Santiago, Chile
2012.01 - 2015.04
  • Leading maintenance and evolutionary projects of mortgage credit granting platforms for institutions: Banco BCI, Banco Falabella, Itaú, Coopeuch.
  • Technologies: javascript, java server face, jsp, java webservice, J2E, Ejb, Hibernate, Jpa, sql server databases.

Developer

Asicom S.A
Santiago, Chile
2005.08 - 2011.12
  • Web development of Mortgage Control Panel software.
  • Evolution of the credit granting platform and credit simulators.
  • Development of simple and advanced electronic signatures for E-certChile.
  • Technologies: javascript, java server face, jsp, java webservice, J2E, Ejb, Hibernate, Jpa, sql server databases.

Formación

Master - Big Data and Business Analytics

Complutense University of Madrid
Madrid
2020.03 - 2020.10

Diploma - Business Intelligence

University of Chile
Santiago de Chile
2019.03 - 2019.09

Engineer - Computer Science

DuocUC
Santiago of Chile
2015.05 - 2018.07

Computer Programmer Analyst - undefined

DuocUC
Santiago of Chile
2012.01 - 2015.04

Industrial Control Technician - undefined

University of Santiago of Chile
Santiago of Chile
2005.06 - 2011.12

Enfatiza tus habilidades clave

  • Python

  • Scala

  • Java

  • Apache Spark

  • Hive

  • Airflow

  • AWS SDK/CLI

  • AWS ECS/Fargate/ECR

  • AWS Lambda

  • AWS IAM

  • AWS S3

  • AWS Cognito

  • AWS DynamoDB

  • AWS EC2/ALB/VPC

  • AWS CodeBuild

  • AWS ASG

  • AWS API Gateway

  • AWS Cloudwatch/X-Ray

  • AWS SQS

  • AWS ElasticCache/RDS

  • AWS KMS/Parameter Store

  • AWS Glue

  • AWS EMR

  • AWS Codedeploy

  • AWS CodePipeline

  • AWS Cloudformation/SAM

  • AWS CDK

  • Elasticsearch

  • Oracle 11g, 12g

  • SQL Server

  • MySQL/PostgreSQL

  • Java Spring Boot

  • J2E-Ejb/JPA-Hibernate

  • Apache Flink

  • Spark SQL/Databricks

  • Docker

  • Kubernetes

  • Terraform

  • Git

  • Jenkins

  • Javascript

  • NodeJS

  • Open CV - Python

  • Computer Vision - Python

Diplomas

  • AWS Certified Developer - Associate, WWSJD9YLNNV11E9S
  • Certified ScrumMaster (CSM), 000706108
  • Project Management Professional (PMP), 2034908

COURSES

Jan 2024 - May 2024  - Artificial Intelligence,  Scalian Technologies

The course included teaching fundamental skills and knowledge in Introduction to Artificial Intelligence, Computer Vision, NLP and Generative AI.

Apr 2022 - May 2022 - Ultimate AWS Certified Developer Associate 2022 DVA-C02, Udemy

AWS Certified Developer Associate Exam Preparation Course.

Apr 2025 - May 2025 - Ultimate AWS Certified Developer Associate 2025 DVA-C02, Udemy

AWS Certified Developer Associate Exam Preparation Course.

LANGUAGES

English
Intermedio avanzado
B2

Cronología

Big data Developer

Scalian Technologies
2020.10 - Actual

Fullstack Developer

Neoris
2020.03 - 2020.10

Master - Big Data and Business Analytics

Complutense University of Madrid
2020.03 - 2020.10

Practice in Big Data and Business Analytics

Ideorum
2019.03 - 2019.09

Diploma - Business Intelligence

University of Chile
2019.03 - 2019.09

Project Manager

Kibernum
2015.05 - 2018.07

Engineer - Computer Science

DuocUC
2015.05 - 2018.07

Project Manager

Asicom S.A
2012.01 - 2015.04

Computer Programmer Analyst - undefined

DuocUC
2012.01 - 2015.04

Developer

Asicom S.A
2005.08 - 2011.12

Industrial Control Technician - undefined

University of Santiago of Chile
2005.06 - 2011.12
Javier Ramírez Neira