Mihai Cioata

Responsibilities: - Cloud infrastructure security - AWS, GCP, Azure, Kubernetes - Application security - security code reviews, penetration tests - CVE triaging - Develop internal penetration testing tools / automate repetitive tasks - Help with interviewing process - Recurrent meetings with development teams - security reviews

Responsibilities: - Lead multiple teams of engineers, in total 25 people - Implement better SDLC processes - Optimize infrastructure costs - Hands on code development and code review - Preach about clean code, unit tests and coding standards - Help with product vision - Conducting security audits to identify areas of improvement - Hiring and training technical front-end and backend engineers - Work with Sr. Program Director, Scrum Master, and Product Owners on the continuous support of the technology and product development and delivery. - Plan backend and frontend architectures for better performance, scalability, costs and ease of integration with B2B clients - Translate business requirements into technical requirements - Conduct 1 on 1 meetings, evaluate team performance and business needs in terms of manpower - Insights for org chart structure - Providing guidance and best practice advice to the product team and the technical team

Responsibilities: - Migrate whole infrastructure from OpenVZ with docker-compose to AWS with kubernetes, which increased uptime to 100% together with half the response time at more costs, but less manpower needed to manage (so in the end about same costs with better performance / reliability + autoscaling). - Lead dev team, provide help when needed. - Introduce quarterly & yearly performance review, induction procedure - 1 on 1 meetings with devs - talk about issues, things to improve, set goals. - Improve deployment strategy - Enforce coding & security standards - Code reviewing - Design software solutions (big picture and in detail) - Plan migration from old to new architecture (monolithic to microservices) - Plan new projects and find opportunities for the company to grow - Conduct interviews with candidates - Optimize costs by finding better, cost-effective alternatives - Try to increase employee retention by getting closer to the people, give them opportunities to grow, salary raises based on performance reviews and combine boring tasks with interesting ones, but keeping an eye out for burnouts. - Add monitoring (metrics, logs, tracing), alerts for relevant events. Visibility is key - Use new open-source tech, sometimes beta, to solve problems faster and deliver a higher quality product, of course with prior proof of concepts and proper testing - Calls with business partners - Automate and optimize work as much as possible - Maintain, add new functionalities, bug fixing - do actual coding, when needed

- Execute white / gray / black-box penetration testing of mobile / web applications and internal networks. - Provide solutions to security issues - Write detailed reports of findings with proven impact - Security code review

Sole developer at first, filling both dev & devops positions. Tasks and responsabilities: - Build a React application that is linked to an external WAMP API. - Build a microservices ecosystem that communicates via websockets and gathers information from several sources, aggregate the data and display it in a dashboard meant for easier customer support and business analysis. (also has CMS, OMS, etc) - Build a websocket reverse proxy that implements half of the WAMP protocol in order to tap into client websocket connections, route API calls and get required information for various stats and events - Hack into the employee Access Control system, generate automated access reports and send them via email - Automate application deployment - Gather application metrics & add a monitoring system - Tutor junior developers - Automate infrastructure migration via ansible playbooks with data replication (0 downtime) - Migrate react application from Create React App to NextJS with express - Made a shortcode system that renders React components dynamically - Add TypeScript to existing React project in order to better organize the code and avoid bugs for critical components - Integrate with external cashier - Develop an HTTP bridge for WAMP router - Implement mechanics for promotions / gamification system - Code reviewing and imposing coding standards - Write unit tests for some of the functionality - Communicate with service providers in order to implement new functionalities - Added async capabilities for database queries in django websocket client - Assisted the process for obtaining the Malta gaming license - Optimize and refactor old code - Provide workarounds for faulty third party APIs Acquired/Used skills and knowledge: Python, Django, Celery, Unit Testing, Bootstrap, SASS, StyledComponents, TypeScript, Redis, Go, ES6, Webpack, Docker, TeamCity, Jenkins, Elasticsearch, Logstash, Kibana, Ansible, Node.js, React.js, NextJS, Microservices, WAMP Protocol, MySQL, MongoDB.

Maintenance work on an ecommerce PHP monolithic application for one of the clients.

We started as a small team, which later grew up and got split in three. My team handled the more complex projects. My tasks and responsibilities were: - configure Linux servers destined for staging and production purposes. - develop a video streaming platform written in Laravel (PHP). - optimize existing WordPress websites by database and PHP tuning. - deploy the applications to servers. - helped with automated deployment - tutor junior programmers - set up local environments for colleagues - develop the Frontend part of a video conversion tool written in Go - develop multiple WordPress websites for multiple purposes. - develop a platform written in Django (Python) as Backend with a Vue.js Frontend which communicates with a WordPress website via a REST API. Acquired/Used skills and knowledge: Python, Bootstrap, Unit Testing, Django, SASS, Redis, Go, Gulp, ES6, Webpack, Vue.js, Docker, TeamCity, Phalcon, Node.js

We were a team of two programmers. I was tasked with dealing with both Frontend, Backend, and DevOps. My tasks included the following: - code formatting for the code to be more readable. - refactor database connection in order to prevent security issues. - implement memcache for database queries for faster load times. - test HHVM and PHP7 compatibility with the platform. - find bottlenecks in order to speed up things. - optimize static assets (JS/CSS/Images) - migrate from Apache to Nginx + php-fpm - automated deployment - optimize MySQL queries - refactor legacy code - change website design (mobile friendly/responsive) - supplier feed parsers - rewrite git history in order to eliminate large files - refactor cart in order to have a preview of the items inside the cart - refactor cart/checkout steps in order to have a better user experience - optimized search - added search preview - product quick view - removed unused legacy code - added multilanguage support - added Frontend currency conversion Acquired/Used skills and knowledge: PHP, MySQL, JavaScript, jQuery, Smarty, Bash, memcache, Laravel, hhvm, HTML5/CSS3