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Work Background
StakeKitSenior SRE & Senior DevOps Engineer
Sep. 2024Madrid, Community of Madrid, Spain
AiFi Inc.Senior DevOps Engineer
Jun. 2024 - Aug. 2024Madrid, Community of Madrid, Spain
MoonPaySRE
Sep. 2022 - Mar. 2024
StuartSenior devops manager
Jun. 2021 - Sep. 2022Madrid, Comunidad de Madrid, España
VoxnestSRE, Team Lead
Feb. 2019 - Jun. 2021Madrid, Community of Madrid, SpainAs a part of the infrastructure team, I’ve built tools to make developer’s life easier when it comes to managing the infrastructure or deployment. Those jobs include managing the infrastructure in AWS using Terraform, building Jenkins pipelines or developing specific tools while taking into consideration important aspects such as visibility and monitoring. Managed the Kubernetes infrastructure using kops. Migrated to EKS with no downtime. Other parts are provisioned with ansible or terraform. Monitoring with prometheus, kibana and grafana. Written many functions for Lambda in Python and Nodejs. Migrated from on premise EC2 to RDS with no downtime. Since September 2019 I was promoted to Team lead of the infrastructure team, managing a group of 3 people. I was responsible for interviewing new people, onboarding them to the team and managing the team. I was able to fully onboard the next team lead prior leaving.
KodifyDevops
Jan. 2016 - Dec. 2018Madrid, Community of Madrid, SpainManaged the infrastructure in AWS using CloudFormation and Kubernetes with kube-aws. Creation of the new deployment method using CloudFormation and CodeDeploy. Moved all the configuration management from chef to ansible and then to Kubernetes using kube-aws. Created many secondary services using a serverless architecture with Python. Migration to docker and Kubernetes using Jenkins as CI and deployment tool
TicketeaSoftware Engineer
Sep. 2011 - Jan. 2016MadridWorking on the ticketea API using our own PHP framework, under scrum and TDD methodologies. My duties also includes devops tasks such using provision and orchestration tools like Ansible or Puppet, SSH streamlining with Fabric and Vagrant for development environment. Developed a system in Python to improve our deploy methodology using Amazon Web Services (AWS) autoscaling API. This software is available in github.com/esanchezm/forseti Thanks to the experience gained developing that tool, I became co-responsible of the AWS infrastructure with almost every service they offer: RDS, EC2 with VPC, ElastiCache, S3, DynamoDB, Lambda, SQS, CloudFormation, etc.. One of the ideas I developed was a separated backend stack using CloudFormation to derive specific traffic under high loads. Another achievement was migrating our production database engine from MySQL to AWS Aurora with a reduced downtime.
FonSoftware Engineer
Nov. 2010 - Sep. 2011Analysis, design and implementation of web applications such as the captive portal or a maps application which paint over Google Maps a layer with all the foneras available. It wasn’t a pin-based layer solution but tile superposition so the user could get an idea on higher zoom levels.
Meteologica S.A.Software Engineer
Sep. 2009 - Oct. 2010Analysis and development of forecasting tools and backend tools to manage forecasting
stations.
Development using Perl, C, PHP, Swig, Bash.
Artica STDeveloper
Mar. 2006 - Jun. 2009Analysis and development of Open Source tools such as Pandora FMS, Babel FAS and
Integria.
Development using PHP (LAMP), AJAX, C++, Python or Bash among others.
axosDeveloper
Jan. 2006 - Dec. 2006
GNOME HispanoMiembro
Jan. 2005 - Jan. 2009
Webmastersenlinea (Abser-T)Software developer
May. 2004 - Sep. 2004Creation from the scratch of a web software backend and frontend to manage telephone
calling.
Made with PHP and a PostgresSQL database backend. Still working without failures.
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