Radoslav Peev Peev, Artificial Intelligence (AI) Developer in Burgas, Bulgaria
Radoslav Peev Peev

Artificial Intelligence (AI) Developer in Burgas, Bulgaria

Member since July 23, 2017
Radoslav is a full-stack developer with a passion for electronics. Since 2009, he has worked remotely. Most recently, Radoslav has been working in a start-up environment where deadlines are nearly every week and choosing the correct technology is critical for the project.
Radoslav is now available for hire


  • JoinHelloFriend
    Node.js, PostgreSQL, MongoDB, Redis, Sockets, React
  • Startup
    Python, NumPy, Pandas, Sklearn, Node.js, MariaDB, Docker, Typescript, Apigee...
  • Society Ltd. (via Toptal)
    Node.js async/await style, rethinkdb, Redis, Docker, Rancher, Payment processor



Burgas, Bulgaria



Preferred Environment

Ubuntu, GIT

The most amazing...

...things I've developed in my last startup for Cardiology Telemedicine: analyze and transfer ECG PPG data from patients and display real time in medical centers.


  • Back-end Developer

    2018 - 2020
    • Developed RESTful APIs from scratch for mobile application for a client's app, for a business app, and an administration panel.
    • Integrated payment methods including Stripe and Plaid.
    • Developed an administration panel based on React and participated in React Native apps.
    • Optimized performance for intensive load with Redis cache.
    • Developed from scratch chat server with a lot of features, as well as real-time updates in apps.
    Technologies: Node.js, PostgreSQL, MongoDB, Redis, Sockets, React
  • Proof of Concept Developer

    2018 - 2018
    • Deployed Python AI engine on-premises. The main task was to add any new data to the training set.
    • Designed a Node.js-based back-end API to access the data from the AI engine.
    • Implemented an Apigee edge API layer for security, load balancing and analytics, and response cache.
    • Utilized Kubernetes to configure and deploy Docker containers with node.js on-premises and use Apigee load balancer for scaling.
    • Added initial training data with Pandas and train the regression AI with NumPy and Sklearn.
    Technologies: Python, NumPy, Pandas, Sklearn, Node.js, MariaDB, Docker, Typescript, Apigee, Swagger.io
  • Backend Node.js developer

    2018 - 2018
    Society Ltd. (via Toptal)
    • Developed the back-end logic for games; exchanging, depositing, and withdrawing of Steam-based items/skins.
    • Utilized RethinkDB as a general purpose database, which gave some useful advantage of developing and scaling.
    • Ran each service of endpoints in a different docker container, for low latency and high scalability by managing all with Rancher.
    • Developed payment service based on G2A gateway.
    • Collaborated with front-end developer and the team's lead back-end developer.
    Technologies: Node.js async/await style, rethinkdb, Redis, Docker, Rancher, Payment processor
  • Frontend and Backend Developer

    2017 - 2017
    • Added new features to the existing product. Made improvements in the front and back-end such as adding new objects and preparing thumbnails for the 3D object arranged in categories.
    • Created a marketplace and migrated from an existing CDN to a new one.
    • Dockerized the application and bundled scripts for production stage.
    • Generated high and low resolution mesh objects for front-end performance optimization.
    Technologies: Node.js, MongoDB, JavaScript, three.js, GridFS, 3D objects
  • Full-stack Developer

    2014 - 2017
    CheckPoint R&D
    • Contributed in R&D of hardware of ECG medical device, and developed reliable Bluetooth Low Energy protocol for data stream using C++.
    • Developed Android application for communication with medical devices, Java based QRS PPG detector, and vital data analysis.
    • Created scalable Node.js server with external C modules, for intensive streams loads with Socket.io solution, and live stream of real patients.
    • Designed and developed the company data architecture for transmitting, analysis, storage, and visualization.
    • Integrated MATLAB modules for research and training data for future neural network. Python and C middleware components.
    • Deployed custom ERP and CMS systems in medical centers and hospitals using HTML5, SVG, D3.js visualization.
    • Developed WEB interfaces based on Angular framework for dynamic medical data CRUD and back-end RESTful API on Node.js + Express + Passport handle with authentication the front-end requests as well as stay open for third party medical ERP systems.
    Technologies: PHP, Python, C++, Node.js, Socket.io, Angular 2, MySQL, MongoDB, Java, Javascript, D3.js, HTML5, BLE, MATLAB, GIT, Ubuntu
  • Co-Founder and Consultant

    2011 - 2013
    R&D Partners
    • Created R&D platform for tourism and travel management.
    • Maintained huge data storage of books and e-books with two way API service for book stores including payment and discount solutions.
    • Developed iOS and Android mobile applications based on phoneGap technology and custom native components.
    • Designed and developed eCommerce platforms for bookstores with responsive design and AngularJS based user interface for more flexibility.
    • Utilized Java and Objective-C modules for AMQP and API instant communication.
    Technologies: PHP, MySQL, Sphinx, AMQP, phoneGap, SQLite, Java, Objective-C, jQuery, AngularJS, Bootstrap, Ubuntu
  • Senior Web Developer

    2005 - 2011
    • Served as team leader during the whole process of building custom cross-browser CMS and ERP development.
    • Developed payment and accounting solutions, business automation, e-business web portals, performance optimization, scalable architectures, and high-quality own megapixel IP/GPRS camera and video processing.
    • Created real-estate framework for B2B and B2C web applications.
    Technologies: PHP, C, Python, MySQL, PostgreSQL, Git, Web Services, Sockets, JavaScript, FreeBSD


  • Languages

    PHP, Python, HTML5, JavaScript, HTML, SQL, TypeScript 2, CSS, C, C++, Java, TypeScript, Delphi
  • Frameworks

    Express.js, Angular, Django, Bootstrap, React Native
  • Libraries/APIs

    Node.js, Socket.IO, jQuery, D3.js, React
  • Tools

    Eclipse IDE, Git, Notepad++, MATLAB, Mongoose
  • Paradigms

    Object-oriented Programming (OOP), Agile Software Development, Unit Testing, E2E Testing
  • Platforms

    Amazon Web Services (AWS), Ubuntu, Android, Apache2, Visual Studio Code, iOS
  • Storage

    Redis, MongoDB, MySQL, Memcached, PostgreSQL, RethinkDB
  • Other

    Single-page Applications (SPA), Full-stack, SVG, APIs, Middleware, Third-party APIs, Data Analysis, AWS, Digital Health, Artificial Intelligence (AI), Machine Learning


  • Bachelor of Science degree in Electronics
    2002 - 2007
    Technical University - Sofia, Bulgaria
  • Diploma in Mathematics and Informatics
    1994 - 2002
    High School of Mathematics and Natural Sciences - Burgas​, Bugaria

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