I'm Lachezar Mihaylov
Professional full-stack web developer
- Age 36
- Address 1000, Bulgaria, Sofia, BG
- E-mail me@lmihaylov.com
- Phone +359 883 37 19 89
A professional developer who can deeply analyze business problems, research for the best possible solution and having excellent skills for designing and implementing it. Who can also optimize and/or upgrade the solution later if necessary. Very good understanding of the business layer for a specific application. Consistently learning modern technologies which can be implemented in new or existing systems.
Professional Skills
Client-side technologies
Server-side technologies
Back-end frameworks
Front-end frameworks and libraries
Relational databases, SQL
Non-relational databases, NoSQL
Cloud platforms
Utility software
Miscellaneous
Work Experience
RilaCorp
Senior Full-Stack & Mobile Developer
- Building an event-driven API service, handling file conversions with a few service providers and mobile subscriptions/payments management. The communication between external services and API consumers is realized with RabbitMQ consumers/workers, webhooks and SSE real-time communication protocol. It has analytics tools integration, where streaming mobile application's events data
- Building React Native iOS mobile application, implementing document scanning, file picking, PDF rendering, secure authentication (properly JWT access/refresh tokens handling) and API-driven file conversion workflows. Leverages Zustand for client-side state management and React Query for server-side as well
- Dockerized infrastructure, integrations with CloudConvert (conversion service provider), RevenueCat, Firebase Analytics, AppsFlyer, Sentry and configured production enviroment on DigitalOcean resources
- Working intensively with AI tools, such as Codex, Claude Code, JetBrains AI assistant with various agents configured
Skills: TypeScript • Node.js • Express.js • MySQL • Prisma ORM • RabbitMQ • Docker/Docker Compose • React Native • React Navigation • React Native Reanimated • Zustand state management • React Query • OpenAI Codex • Claude Code
BESTYS
Senior Full-Stack & Mobile Developer
- Building a complex solution managing customers and invoices alongside with REST API service, front-end web application and mobile hybrid codebase on React Native
- Expanding and maintaining an existing mobile application that provides a converting files service. Implementing all kinds in-app purchases and discounts
- Creating an embedded standalone website library that acts as global JavaScript object holding any methods which initialize various widgets for handling documents and images like converting, compressing and organizing them
- Creating a some websites on the cutting-edge front-end technologies like React 18 and Next.js 13
Skills: PHP 8 • Laravel • Symfony framework • MySQL • MongoDB • JavaScript • Node.js • Express.js • React • React Native • Next.js • Redux • Docker/Docker Compose • Bitbucket pipelines • Google Firebase • ChatGPT • OpenAI Codex
TechHuddle
Senior PHP Developer
- Participating as on-demand developer in a flights web application visualizing airports, air traffic and areas
- Working as a team leader on a large betting platform that collecting and aggregating bets and data from many providers
Skills: PHP • Laravel • Laravel Lumen • REST APIs • MySQL • JavaScript • React.js • Docker/Docker Compose • Git
LPM Soft
Founder, Senior Full-Stack Freelancer and Consultant
- Working on a huge financial platform for a private customer
- Developing, extending and maintaining new modules and features on the back-end and front-end sides using the cutting-edge technologies stack
- Creating a full-stack project with the latest JavaScript technologies. Back-end stack: Node.js, Redis and Sails.js. Front-end stack: Vue.js 2, Bootstrap 4 and Sass
- Building few small websites and projects on WordPress
Skills: JavaScript ES6+ • Node.js • Express.js • Sails.js • Vue.js • PHP • MySQL • Bootstrap • SASS • WordPress
BULPROS
Senior Full-Stack Developer
- Development of RESTful web service that aims to be interface for another third-party systems or services
- Participating in a booking platform as senior full-stack developer (create, extend and maintain modules)
- Using the latest PHP major version 7 with Yii 2 web framework and mixed databases approach (MySQL and MongoDB)
Skills: PHP 7 • Yii 2 • MySQL • MongoDB • JavaScript • AngularJS • Git
ITF Group JSC
Senior PHP developer
- Architecture design, development and maintenance of web financial application
- Developing special financial modules depending on business needs
- Recruiting web developers and company IT team growing
Skills: PHP • Yii • MySQL • JavaScript • jQuery • CSS • Git
NetInfo
PHP Developer
- Implementing new features and optimization of existing for high-traffic web applications
- Getting experience with cache technologies and mechanisms, servers load-balancing technique and clustering
Skills: PHP • CodeIgniter • PostgreSQL • JavaScript • jQuery • Memcache • XML • SVN
Education
Bachelor, Electricity and electrical equipment
Technical University of Sofia
Secondary school
School for learning foreign languages
Awards
2nd place
National Competition "Web Design and Development"
5th place
National Competition "Web Design and Development"
My Hobbies
I like sports, practicing weights training and HIIT workouts. Sometimes when I have much time, CrossFit.
- Gym
- Running
Contact Me
Feel free to contact me
- Address 1000, Bulgaria, Sofia, BG
- Phone +359 883 37 19 89
- E-mail me@lmihaylov.com