Started as a full stack developer within the team responsible to develop search engine for the company. Promoted to team lead. (Agile framework) Our team was in charge of the development of several services to support and provide search capabilities, taking the approach of micro-service & micro-front-end architecture. Entire project is based on GCP resources. Had additional responsibilities to mange and organize other developers, and run agile ceremonies. Taken participation in design and discussions about architectural aspects with architects. Key tech stack. - Elastic search, kibana - Mongodb - NodeJs/ Express / Nestjs / Typescript - React / NextJs / Webpack 5 with module federation / Figma - TDD jest + coveralls - GCP resources (big query / pub sub / stack driver / kube) - Monitoring (datadog / sentry / lighstep) - Lauchdarckly CI/CD - Spinaker / Circle.CI Agile and management tools - Jira / Confluence - Miro board / Trello

Development of a plataform for online training, with video recording/streaming/video post-processing. Incremental legacy front end migration using micro-frontends. Kanban / TDD methodologies for code and quality delivery. -key tech. stack • NodeJS / Express. • NextJS / ReactJS (Formic) / ReactHooks. • Mobx • Firebase • PostgreSQL • WebRTC • AWS (RDS, EC2, S3, CodePipeline, CodeDeploy, Lambda, CloudWatch, Autoscaling). • GCP (FireBase, AppEngine). • Jest 3th party integrations: • Agora SDK • Stripe -------------------------------------------------------------------- Development of a sports betting platform using micro-services approach. NodeJS/ReactJS. With CI / TDD methodologies for code quality delivery. -key tech. stack • NodeJS. • ReactJS (Formic) / ReactHooks. • Express / Apollo GraphQL • OAuth / Passport authentication. • PostgreSQL • AWS (RDS, EC2, S3, CodePipeline, CodeDeploy). • sinonJS • mocha + chai - Using integrated tools (code quality / delivery) • gitHub. • CodeClimate. • CircleCI. -responsible for integration & automation tasks

Development of a Web application using NodeJS for the backend, and ReactJS + Redux for the frontend. The application is designed to manage trainign process (Athletes management, registration, payments, training programs scheduling and more) -key tech. stack • Theming React-JSS, JSS. • NodeJS. • ReactJS (Redux, React router 4.x, Redux form 7.x). • Express. • Passport authentication. • MariaDB. • Sequelize. • AWS (RDS, EC2, S3, CodePipeline, CodeDeploy). • sinonJS • mocha + chai

Providing consulting services. Extending current projects, new featrures development. Porting current web app to Node.JS/React approach.

Tasks: • Vehicle plate automatic recognition system (VPAR): System design and implementation to recognize vehicles plates and provide trcuk position tracing usin c/c++, opencv, boost and neural labs library. • Part of development team: We was responsables to design and implement complete information system (Laridae) to control grains logistics and stock. Front-end: php, drupal7, custom drupal modules. Drupal intergration to external data. Back-end, bussiness logic over postgreSQL 9.1: database structure design. PL/pgSQL, PL/Perl functions and procedures. Materialized views for performance. Data replication with another PostgreSQL database. Perl: lightweight embedded web server to provide REST layer with different hardware devices (trcuks scale reading/operation, neon sign management) ModBus: Management and reading of programmable logic controllers WebServices: WSDL specification, and own web service implementation. Webservice clients development to exchange data with third-party providers (monsanto, governmental institutions) jQuery: improve site usability and user experience. • Linux servers adminisrtation: Mantainance tasks automation, scripts development, domain controller for users management and access control. • Network administration: traffic control/shaping, firewalling, routing policy customization, internet access failover. • Backups automation using Bacula, mediums rotation, backups level policy. • Monitoring: Nagios, plugins implementation, different way notifications. • Port old computer systems to open source technologies: Company management decided to move over linux, we was responsables to provide and adapt open source alternatves. Key technologies. As developer. -php-drupal7 - perl - python - c/c++ - opencv. -apache-modbus - postgresql - plpgsql - plperl -rest-soap-wsdl-xml-curl-bash As linux administrator. -iptables-routing policy data base-iptraf -samba-ldap-pam-bash-perl-nagios -cron-bacula-linux ha-mailing

Key technologies: - md raid - lvm - c / c++ - ext3, ext4, raiserfs, cifs, samba, ntfs. - bash Data recovery from broken hard drives , raids and linux software raids. I have worked remotely as freelancer.

Key technologies: - perl - exim, postfig - bash - networkig - php - syslog - c++ - imap - nagios Main tasks: • Supervision and maintenance of running plataforms: System health/load monitoring using Nagios, new custom nagios plugins implementations using perl, c++, python • Deploy new filtering platforms at client side: Hardware capacity estimation. Client requirements capture to determine plataform size. Deploying the filtering system using Chef automation and tuning with scripting. • Level 3 support. On call support. Provide last resource support to level 2, 1. Incidents resolution using ticketing system. Secondary tasks: • Improve operations tasks: script collection implementation to provide plataform logs recollection and consolidation task. • Mail achiving automation implementation using Exim, lot of perl and bash scripting.

Key technologies: - python - googlechats API - Jira - Accurev - jmeter - hudson integration server. • Tools development for performance and capacity testing for Orbitz Travel, Cheaptickets. Member of stress testing team, our mission is interaction with other back-end teams to identify posible bottlenecks, design and automate stress tests, recollect big amounts of raw data. process it and produce representative metrics. Working metodology is Agile Scrum (stand ups, meetings, brainstoms, backlogs etc)

Member of core development team, building an email filtering system backend. Key technologies: - php - ldap -drbd - bash - exim, postfix - lvm - perl - clamav - spamassassin, bogofilter - mysql - open ocf - linux heatbeat - postgres - python - rest, web services, soap Main tasks • Build an integration between different software pieces to guarantee data flows and interaction. - Things like MTA, Content analisys daemons, Mail repos need to work together nicely and be scalable. - Technologies we use: Open source components: Exim/postfix(snmp mta), Cyrus (imap), bayes network (bogofilter, spamassassin), LDAP (users data base), PostgreSQL, ClamAV(antivirus) Lot of scipting and automation: perl, bash, python. • Design and implement serveral APIs for front-end team. REST aproach, and delivering a library. - Using PHP, web services, c++, perl. • Extending already running platform adding new features, and develop new pluings. -extending postfix using c++ -complete email recollector over imap.

Точных Наук, Системный инженер / программист

UNICE, Security and Cryptography.

EET5, Tecnico en informatica