Oscar A. Jara, Santa Fe, Santa Fe省，阿根廷的开发者
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Oscar A. Jara

Verified Expert  in Engineering

System Administration Developer

Location
Santa Fe, Santa Fe Province, Argentina
Toptal Member Since
April 1, 2013

Oscar是一名顶级信息系统工程师，曾做过开发人员, system administrator, DevOps engineer, and university professor. 他在低级软件开发方面有丰富的经验，并曾使用过客户机-服务器, distributed, and fault-tolerant web architectures. 近年来，他一直担任DevOps工程师.

System AdministrationGitFlowBashLinuxDevOpsPythonCPHPMySQLWindowsNew RelicAmazon Web Services (AWS)AnsibleDockerRackspace Cloud

Portfolio

Spinemedia, LLC
Amazon EKS, Kubernetes, Chef, AWS OpsWorks, WordPress
RabbittApp, LLC
亚马逊网络服务(AWS)， Bash, Ubuntu, Linux, Apache, MySQL, PHP
MATI, LLC
Node.js, Chef, AWS OpsWorks

Experience

Linux - 12 yearsSystem Administration - 12 yearsDevOps - 7 yearsAmazon Web Services (AWS) - 5 yearsNew Relic - 5 yearsAnsible - 4 yearsJenkins - 4 yearsChef - 2 years

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), Linux

The most amazing...

...我编码的是一个基于libvlc的应用程序，通过蓝牙控制两个视频输出:一个音频输出和一个灯板, concurrently.

Work Experience

DevOps

2017 - PRESENT
Spinemedia, LLC
  • Maintained AWS infrastructure (EC2. Aurora, ELB, OpsWorks, IAM, ElastiCache).
  • 在AWS OpsWorks/Chef上实现WordPress的配置、部署和扩展.
  • 实现了基于AWS EKS的Kubernetes环境，包括使用Jenkins的CI/CD管道.
技术:Amazon EKS, Kubernetes, Chef, AWS OpsWorks, WordPress

DevOps

2015 - PRESENT
RabbittApp, LLC
  • Designed, implemented, and administrated high-availability, auto-scalable, and secure AWS infrastructure.
  • Implemented secured VPC with VPN access.
  • 实现负载均衡的公共(web)和私有(app)层.
  • 实现自动伸缩组以支持需求变化.
  • 实现了多可用区主备MySQL RDS.
  • Improved performance on SQL queries.
技术:亚马逊网络服务(AWS)、Bash、Ubuntu、Linux、Apache、MySQL、PHP

DevOps

2018 - 2018
MATI, LLC
  • Implemented Node.使用AWS OpsWorks Chef提供、部署和扩展REST API.
Technologies: Node.js, Chef, AWS OpsWorks

DevOps

2014 - 2017
PriceBlink
  • Handled daily Rackspace cloud sysadmin issues (e.g., web server and database migration and replication).
  • 支持提高应用效率和响应时间.
  • Handled MySQL DBA operations.
技术:New Relic, Apache, MySQL, Rackspace, CentOS, Ubuntu, Bash, PHP

Advanced Operating Systems Professor

2009 - 2017
Universidad Tecnológica Nacional
  • 执行实时和内核级Linux编程.
  • 开发基于套接字和RPC技术的客户机-服务器应用程序.
  • Taught and programmed device drivers.
Technologies: Bash, Java, C

DevOps

2016 - 2016
Arduino, LLC
  • 创建了DataDog(监控)之间的集成交互, visualization), AWS Autoscaling, SaltCloud (orchestration), and Drone (continuous delivery).
技术:亚马逊网络服务(AWS)、无人机、SaltStack、Datadog、Autoscaling

Full-stack Developer

2015 - 2015
Evobits IT
  • Created a template system.
  • Made a security audit on a Bitcoin-related site.
  • 实现了管理员的内部消息传递子系统.
  • 在比特币相关网站(CSRF, XSS, SQL注入等)实施了几项安全措施.
  • Developed a DDoS prevention subsystem based on Redis.
技术:jQuery, JavaScript, CSS, HTML, MySQL, PHP

Developer, System Administrator

2010 - 2014
Universidad Tecnológica Nacional
  • 支持一个使用PHP和Perl的邮件管理系统，后端是MySQL.
  • Created a distributed, multi-daemon watchdog system with Python and MySQL, 哪一个监控资源可用性和行为(internet链接和internet服务)，并自动处理数据和服务的路由.
  • 导致迁移到基于ldap的容错架构，以支持所有大学应用程序.
  • 为新的web PHP、HTML和JavaScript web应用程序提供安全咨询.
  • 用Bash、PHP、Perl和Python开发了几个系统管理脚本应用程序.
Technologies: JavaScript, Perl, Bash, C, Python, PHP

Software Architect, Developer

2011 - 2012
DINT S.A.
  • 设计并开发了一个基于linux的设备的应用程序，该设备通过蓝牙从Android设备(平板电脑或智能手机)控制，并控制两个视频输出(LED电视和投影仪), one audio output, 以及由设备串行端口或不同的蓝牙端口控制的灯板.
Technologies: C

System Administrator, Developer

2006 - 2010
CONICET - Centro Científico/Tecnológico滨海中心
  • 为自定义系统管理编写了许多PHP和Bash脚本.
  • 开发了一个应用程序来控制质谱仪并生成结果的图形表示.
  • 设计并开发了一个资产组织清查系统.
Technologies: Visual Basic, Bash, PHP

Software Architect, Developer

2004 - 2005
Omega S.A.
  • 设计并开发了一个基于网络的系统，以协助在委内瑞拉的委内瑞拉赌场进行投注游戏, which generated the necessary random entities, calculated the bet awards, and graphed the results of the game.
  • 设计了一种电子货币转账和记账的应用协议.
  • 设计并实现服务器架构以支持多个应用程序部署.
Technologies: JavaScript, HTML, PHP, Java

DevOps @ Priceblink.com

http://www.priceblink.com
基于Rackspace服务的云基础设施管理, Load Balancing, Database replication). 应用监控和部署(Ruby、PHP、Git、Capistrano、New Relic).

Developer @ EvoBits Information Technology SRL

Developed across the full stack:
* run security audit.
* implemented security measures.
* developed template subsystem.
* developed internal messaging subsystem.
* developed DDoS mitigation system based on Redis.

DevOps @ RabbittApp.com

设计、实现和管理高可用性AWS基础设施.

Includes:
* VPC with VPN access.
* Load Balanced Public Web Layer.
* Load Balanced Private App Layer.
* Autoscaling Layers.
* Multi Availability Zones all Layers.
* Master Slave Multi AZ RDS.
* SES service for mail sending.

Multi-daemon Watchdog System (Agent Code)

这是一个基于Python和MySQL的分布式多守护进程看门狗系统的代理代码. 该系统将监控资源的可用性和行为(互联网链接和互联网服务)，并自动对数据和服务的路由做出决定. 应该有这个代理的多个实例和一个执行决策的中央守护进程.

Multi-daemon Watchdog System

设计并开发了一个基于多个守护进程的系统，该系统监视资源可用性和互联网链接和服务的行为，并自动做出有关数据和服务路由的决策. Multiple instances of an agent daemon exist, 以及一个执行决策的中央守护进程.

Multimedia Controller

设计并开发了一个在基于GNU linux的设备上运行的应用程序, 通过蓝牙协议与安卓平板电脑或智能手机进行控制. The app controls two video outputs, one audio output and a serial connected lightboard, all concurrently and independently. 该应用程序是用C语言编写的，并且大量构建在libVLC库之上.

Languages

Bash, Python, C, PHP, JavaScript, SQL, XML, Perl, Visual Basic, CSS, Java, c++， HTML

Tools

Ansible, Amazon Elastic Container Service (Amazon ECS), Amazon EKS, Chef, Jenkins, AWS OpsWorks, Vagrant, Capistrano, Terraform, Boto 3, Apache, Xdebug, SaltStack

Paradigms

DevOps，面向对象编程(OOP)，过程式编程

Platforms

Linux, New Relic, Amazon Web Services (AWS), Rackspace Cloud, Windows, Kubernetes, Docker, Arch Linux, WordPress, Ubuntu, CentOS, Rackspace

Storage

MySQL, MongoDB, Datadog, PostgreSQL, Vertica

Other

GitFlow，系统管理，蓝牙，Ajax，自动缩放，无人机，开发

Frameworks

Django, Bootstrap, Symfony 2, CodeIgniter

Libraries/APIs

jQuery, Node.js, Puppet.js

2000 - 2006

计算机/信息系统工程学士学位

Universidad Tecnológica Nacional - Santa Fe, Argentina

AUGUST 2018 - AUGUST 2021

AWS Certified Solutions Architect Associate

AWS