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I'm 37 years old, a self-taught web and mobile professional with a broad range of skills including backend and frontend development, design, and more. I began working in web and low-level programming around 2005/2006 during high school and have participated in various workshops, programming contests, and challenges, before starting my full-time professional career in 2009. Currently, I aim to create beautiful and delightful applications that enhance everyday life. I focus on leveraging current technologies to build sophisticated, secure, fast, elegant, and smart user experiences while managing complexity effectively.…I'm 37 years old, a self-taught web and mobile professional with a broad range of skills including backend and frontend development, design, and more. I began working in web and low-level programming around 2005/2006 during high school and have participated in various workshops, programming contests, and challenges, before starting my full-time professional career in 2009. Currently, I aim to create beautiful and delightful applications that enhance everyday life. I focus on leveraging current technologies to build sophisticated, secure, fast, elegant, and smart user experiences while managing complexity effectively.

Danny Lazarov

Web Developer, App Developer, Full Stack Developer, +1

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I'm 37 years old, a self-taught web and mobile professional with a broad range of skills including backend and frontend development, design, and more. I began working in web and low-level programming around 2005/2006 during high school and have participated in various workshops, programming contests, and challenges, before starting my full-time professional career in 2009. Currently, I aim to create beautiful and delightful applications that enhance everyday life. I focus on leveraging current technologies to build sophisticated, secure, fast, elegant, and smart user experiences while managing complexity effectively.…I'm 37 years old, a self-taught web and mobile professional with a broad range of skills including backend and frontend development, design, and more. I began working in web and low-level programming around 2005/2006 during high school and have participated in various workshops, programming contests, and challenges, before starting my full-time professional career in 2009. Currently, I aim to create beautiful and delightful applications that enhance everyday life. I focus on leveraging current technologies to build sophisticated, secure, fast, elegant, and smart user experiences while managing complexity effectively.

Available to hire

I’m 37 years old, a self-taught web and mobile professional with a broad range of skills including backend and frontend development, design, and more. I began working in web and low-level programming around 2005/2006 during high school and have participated in various workshops, programming contests, and challenges, before starting my full-time professional career in 2009.

Currently, I aim to create beautiful and delightful applications that enhance everyday life. I focus on leveraging current technologies to build sophisticated, secure, fast, elegant, and smart user experiences while managing complexity effectively.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Intermediate

Work Experience

Frontend Developer at Camplight - Varna

December 31, 2013 - August 28, 2025

Worked as a frontend developer in 2013. Early career experience during initial professional years.

Freelancer at Freelancing

December 31, 2017 - August 28, 2025

Participated in many projects, including some from Upwork and personal connections. Projects ranged from web and mobile app development such as Power to Respond (injury/help information app), chat app prototype with audio recording and location features, directory app listing beauty shops, an internal app for shooting baseball player videos, iWinemaker (wine calculator app), news reader app, and real estate app.

Mobile Developer at Creadi AG

June 30, 2018 - August 28, 2025

Developed Simpego insurance app for a Switzerland-based company. Responsibilities included frontend development, writing custom payment logic using internal libraries, connecting and validating backend data, dynamic complex nested forms, app redesign, optimization for iPhone X, Firebase push notifications, and Intercom integration. Technologies used included React Native, Redux, Redux thunk, Final form, custom internal libraries, and payment integrations (Stripe and Swiss Post bank).

Mobile Developer at Just Split It

December 31, 2019 - August 28, 2025

Worked on the Just Split It iOS app to automate restaurant group ordering and payment. Duties included full app reskin with configurable design system, creation of new intro walkthrough with animations and interactive tutorial, registration and credit card integration with Stripe, app optimization for slow network, in-app custom logger for request tracking, issue debugging with Xcode instrumentation, and writing UI/functional and some unit tests. The app used sockets (MQTT library) and REST for live updates, written natively in Swift 4.

Mobile Developer at Eko 4

January 1, 2020 - Present

Developed Power to Respond iOS app aimed at showing injury data/videos to people in distress. Built app from scratch focusing on reliable video playback with multiple quality levels depending on internet connection, offline video download/playback, and cool intro animations using Lottie animated assets imported from Adobe After Effects. Used React Native, MobX for state management, and customized video player wrapper for React Native Video.

Mobile Developer at Udrink app

January 1, 2020 - Present

Evaluated existing Ionic JS app and rewrote it using React Native and Redux. The app assists clinicians in helping people recover from alcohol addiction by allowing users to log alcohol consumption, weekly events triggering cravings, and virtual therapy sessions. Implemented Touch ID / Face Recognition for biometric login with secure encrypted storage. Created UI and functional tests with Jest snapshot testing.