Sergio Catllà

sergio@catlla.com

linkedin.com/in/catlla

sergio.catlla.com

 

 

 

 

Certifications

AWS Certified Solutions Architect - AssociateAWS Certified Developer - AssociateAWS Certified SysOps Administrator - AssociateAWS Certified Solutions Architect - ProfessionalAWS Certified DevOps Engineer - ProfessionalAWS Certified Big Data - SpecialtyAWS Certified Machine Learning - Specialty

-       AWS Certified Advanced Networking – Specialty scheduled for Jan 2020

 

Experience

Catlla Consulting, LLC          (work at home)            2/2013 – present

AWS Design, Architecture, Engineering and Development

·       Build solutions in AWS

·       Develop code in Perl, Python, Node

 

Amazon Web Services (up to 80% onsite at customer)              4/2018 – 6/2019

Sr. Consultant, Senior Cloud Application Architect

·       Minimized cost and undifferentiated heavy lifting while solving for performance desired outcomes

·       Deliver solutions as predicated by Customer needs and requirements

·       Migrated workloads of varied sizes and tech stacks from RackSpace to AWS

·       Migrated data from on-prem to AWS (RDS MySQL, Aurora, RedShift, MongoDB, DynamoDB)

·       Advised customers on DevOps best practices

·       Implemented Lambda@Edge functions for serverless authN/Z of Single Page Application using Cognito UserPools

·       Implemented Serverless applications using Lambda, API Gateway, Cognito, Step Functions, DynamoDB

·       Migrated VM-backed workloads to Docker on AWS ECS/Fargate with Aurora Serverless MySQL

·       Built CI/CD pipelines using AWS Code* (CodeDeploy, CodeBuild, CodePipeline, etc) services, python/boto3, perl, bash

·       Built Blue/Green Fargate pipelines manually, CFT, and TerraForm

·       Ramping up on SAM, CDK and Amplify

·       Learning to architect and implement solutions on EKS (AWS’ Kubernetes cluster service)

 

Capital One, San Francisco, CA (100% remote)                                                          4/2015 – 4/2018

Master Software Engineer at separation, promoted from Sr. Software Engineer

·       Enhance and maintain backend and frontend for Spark Pay (payment facilitator) platform to, among other things, facilitate mobile reader (Android, iOS, web) payments, new customer enrollment, billing and ACH settlement.

·       Gather dependencies of existing monolith application, build Dockerfile and Cloud Formation Templates (CFTs) to enable rehosting application onto AWS from RackSpace

·       Carve out monolith into microservices in Perl and Node.js/Express

·       Lead developers to migrate development environments from RackSpace to new CFT-based dev instances in AWS; assist in architecting existing platform into AWS

·       Work with team tasked to build out network diagrams for migration to AWS

·       Lead team in charge of responding to Anti-Money Laundering (AML) and PCI audit requests

·       Automate build process at each commit to github, delivering successful builds to developers, QA environment using Jenkins; architect process for delivery of release candidate to QA and production AWS via Blue-Green deployments

·       Rotationally function as release master

·       Rotationally function as dev on call

·       Troubleshoot calls to API server from iOS, Android and POS devices

·       Develop REST API/backend processes in Perl, Dancer, MySQL, bash

·       Develop frontends using Angular, Backbone, JQuery, HTML, CSS

·       Develop microservices using Node.js, targeted to AWS on their own CFT with ELB, RDS, S3, SQS, SNS

·       Mentor junior developers

·       Interface with SRE to build CFTs

·       Creation of views/reports/queries for Audit, Risk Ops

 

Windstream Communications, Greenville, SC                                                            9/2014 – 4/2015

ETL Engineer

·       Prepare existing processes for datawarehouse migration from Oracle 9i to 11g, including deprecation of dblinks in favor of locally mirrored tablespaces.

·       Extract data from myriad db engines including Oracle, MS SQL, Sybase, PostgreSQL, MySQL and NoSQL, among others, as data sources inbound to Oracle 9i/11g datawarehouse.

·       Developed password service and job monitoring dashboard in Perl / Dancer/ REST / AngularJS / NGINX secured by TLS client certificate authentication.

·      Implemented of Elastic Search / LogStash / Kibana (ELK stack) for centralization of legacy process logs.

 

Empowered Benefits, Charlotte, NC                                                                           2/2013 – 9/2014

Senior Perl Developer

Developed multi-directional ETL for EDI feeds system between Affordable Care Act Private Exchange participants including health insurance carriers, distribution partners and front-end Java platform.

 

Automated Trading Desk (acquired by Citigroup), Charleston, SC                            8/2007 – 2/2013

Senior Database Developer (2007 – 2013), Assistant Vice President (2012 – 2013)

Developed tools to assist traders and compliance officers in their duties

 

 

 

 

LiveText, La Grange, IL                                                                                             2/2007 – 7/2007

Perl Developer, MySQL DBA

Built and maintained web pages (livetext.com)

 

 

 

Motricity, Durham, NC                                                                                              6/2006 – 2/2007

Perl Developer, PostgreSQL DBA

Built and maintained web pages (eReader.com, ebooks.palm.com)

 

 

Evergreen Investments (formerly a division of Wachovia Bank), Charlotte, NC        11/2005 – 4/2006

Perl Developer

ETL development for inbound market data feeds

 

 

Citadel Investment Group, Chicago, IL                                                                     8/2004 – 9/2005

Perl Developer

ETL development for inbound market data feeds

 

 

Companion Technologies (a division of BlueCross BlueShield of SC), Columbia, SC 12/2000 – 7/2004

Information Systems Engineer VIII

Design and development of hospital billing and patient eligibility system using multi-tenant DB

 

 

Education

University of Kansas, Lawrence, KS

90 (out of 120) credit hours toward Chemical Engineering degree

Honors: IIE full ride scholarship; Battenfeld Scholarship; member AICHE

Activities: Student dorm VP and chef

 

 

Natural Languages

 

 

Hobbies