Milko Lorinkov, Developer in Sofia, Bulgaria
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Milko Lorinkov

Verified Expert  in Engineering

Software Architecture Developer

Location
Sofia, Bulgaria
Toptal Member Since
August 1, 2018

With a career spanning over a decade and a half as an architect and software engineer, Milko brings a wealth of expertise to crafting highly available, data-intensive, RESTful enterprise-level systems using Node.js, React, and TypeScript. He meticulously analyzes solutions, excels in diverse industries, from architecting scalable back-end systems to designing intuitive user interfaces, and consistently exceeds client expectations as a freelancer dedicated to innovation and excellence.

Portfolio

Bee There Care
Node.js, Express.js, MongoDB, Mongoose, DocumentDB, Amazon Cognito...
InPerSuit, Inc.
React, Next.js, Monorepos, Front-end Architecture, Front-end Design, Figma...
Mitivate
Node.js, Express.js, MongoDB, Mongoose, REST, AWS IAM, Amazon Cognito...

Experience

Availability

Part-time

Preferred Environment

Git, MacOS, Node.js, React, Azure, Amazon Web Services (AWS), Next.js, Visual Studio Code (VS Code), Agile

The most amazing...

...project I've worked on is a transactional-based content management system used for dynamic user interface generation and front tier for the banking industry.

Work Experience

Architect and Senior Full-stack Developer

2023 - 2024
Bee There Care
  • Engineered the architecture of both back- and front-end applications, ensuring scalability, reliability, and performance to meet the demands of a social platform for parents.
  • Set up development and production environments, optimizing workflow efficiency and facilitating seamless deployment processes.
  • Implemented payment modules and integrated Stripe, enabling secure and efficient payment processing for eCommerce transactions within the platform.
  • Developed an eCommerce platform within the application, empowering users to buy childcare-related products and services and enhancing user engagement and monetization opportunities.
  • Leveraged Strapi as a headless content management system, enabling flexible content creation and management while maintaining the separation of concerns between the front and back ends.
  • Built a robust front end using React and Material UI, delivering intuitive and visually appealing user interfaces that enhance user experience and engagement.
  • Utilized AWS Cognito for customer authentication, ensuring secure access control and user management functionalities within the application.
  • Conducted thorough testing and optimization to ensure high performance and responsiveness across different devices and screen sizes.
  • Collaborated closely with stakeholders to understand requirements and translate them into technical solutions that meet business objectives and user needs.
  • Provided technical leadership and guidance to the development team, fostering a collaborative and innovative work environment.
Technologies: Node.js, Express.js, MongoDB, Mongoose, DocumentDB, Amazon Cognito, Amazon Simple Email Service (SES), Strapi, Stripe, Stripe API, Stripe Checkout, eCommerce, AWS Lambda, React, Next.js, FullCalendar, MJML, MailerLite, Markdown, Swagger, TanStack Query, Figma, Monorepos, JavaScript, Amazon Web Services (AWS), Git, Agile, Scrum, Visual Studio Code (VS Code), TypeScript, MacOS, HTML, CI/CD Pipelines, Front-end Architecture, React Query, JSS, TSS, REST, AWS IAM, Amazon API, User Interface (UI), Responsive Web Apps, Zod, AWS Elastic Beanstalk, Software Architecture, Full-stack Development, Web App Development, Full-stack, Digital Payments, API Integration, User Experience (UX), Technical Leadership, React Server Components, Dashboards, NoSQL

Front-end React Developer (via Toptal)

2023 - 2023
InPerSuit, Inc.
  • Selected the appropriate technology stack meticulously, ensuring seamless alignment with project requirements, and significantly contributed to the application's success.
  • Played a pivotal role in architecting the framework, resulting in a robust and scalable front-end structure that laid the foundation for the entire project's success.
  • Contributed actively to the creation of numerous reusable components, streamlining development efforts and promoting code reusability across the application.
  • Took charge of code reviews, demonstrating a keen eye for detail and commitment to maintaining high code quality standards, resulting in fewer bugs and improved overall codebase reliability.
  • Leveraged React Hooks and Context API to enhance component reusability and state management, improving developer efficiency and code maintainability.
  • Collaborated closely with UI/UX designers to translate design mockups and wireframes into interactive and visually appealing user interfaces, ensuring a seamless user experience.
  • Implemented responsive design principles using CSS media queries and flexbox/grid layouts, ensuring optimal performance across various devices and screen sizes.
  • Participated actively in sprint planning meetings and provided accurate estimations for task completion, contributing to the efficient delivery of project milestones.
  • Acted as a mentor to junior developers, providing guidance on React best practices and assisting in their professional development journey.
Technologies: React, Next.js, Monorepos, Front-end Architecture, Front-end Design, Figma, React Query, React Hook Form, Material UI, JavaScript, ECMAScript (ES6), JSS, TSS, Swagger, OAuth 2, Git, Agile, Scrum, Visual Studio Code (VS Code), TypeScript, MacOS, HTML, React Router, TanStack Query, User Interface (UI), Responsive Web Apps, Yarn Workspaces, Auth0, Auth0 API, Web App Development, API Integration, User Experience (UX), NoSQL

Senior Full-stack Developer

2022 - 2023
Mitivate
  • Spearheaded the setup of the back-end architecture and project infrastructure, ensuring the scalability and reliability of the application.
  • Implemented DevOps pipelines and AWS deployment strategies, automating deployment processes and enhancing development workflow efficiency.
  • Established the front-end architecture, leveraging best practices and design patterns to create a modular and maintainable codebase.
  • Created reusable components for the application using React and Material UI, promoting code reusability and accelerating development cycles.
  • Collaborated closely with designers to translate Figma designs into functional front-end components, ensuring pixel-perfect implementation and alignment with design specifications.
  • Improved the web application's performance by optimizing code, implementing lazy loading techniques, and minimizing network requests, resulting in a 30% reduction in page load times.
  • Conducted code reviews, providing constructive feedback to maintain code quality standards and enhance overall codebase reliability.
  • Mentored junior developers, sharing knowledge and best practices to foster their professional growth and development.
  • Implemented monitoring and logging solutions, ensuring visibility into application performance and troubleshooting issues proactively.
  • Participated actively in agile ceremonies such as sprint planning, stand-ups, and retrospectives, contributing to the continuous improvement of team processes and practices.
Technologies: Node.js, Express.js, MongoDB, Mongoose, REST, AWS IAM, Amazon Cognito, Amazon Simple Email Service (SES), DocumentDB, Amazon API, React, React Query, Material UI, React Router, Recharts, PDF, Monorepos, AWS Lambda, JavaScript, Swagger, OAuth 2, Amazon Web Services (AWS), Git, Agile, Scrum, Visual Studio Code (VS Code), TypeScript, MacOS, HTML, CI/CD Pipelines, Front-end Architecture, JSS, TSS, TanStack Query, User Interface (UI), Responsive Web Apps, Zod, AWS Elastic Beanstalk, Software Architecture, Full-stack Development, Web App Development, Full-stack, API Integration, User Experience (UX), Technical Leadership, React Server Components, Dashboards, NoSQL

React Developer

2021 - 2022
nXlvl Inc. (Toptal Project)
  • Spearheaded the setup of the project structure and architecture, configuring all application layers, including React, Apollo Client, React Query, Formic, and MUI, ensuring a robust and scalable foundation.
  • Led the front-end development efforts for a cutting-edge NFT marketplace tailored for sports talents, implementing innovative features and intuitive user interfaces to enhance user engagement and experience.
  • Reviewed team members' pull requests and provided constructive feedback to maintain code quality and adherence to best practices, fostering a collaborative and supportive team environment.
  • Participated actively in backlog grooming meetings and Jira task estimations, contributing valuable insights to prioritize feature development and ensure alignment with project timelines and objectives.
  • Leveraged React Query to optimize data fetching and caching, enhancing application performance and responsiveness.
  • Collaborated with designers to translate Figma mockups and wireframes into interactive and visually appealing user interfaces, ensuring seamless integration of design elements and functionality.
  • Implemented authentication and authorization mechanisms using Apollo Client and OAuth 2.0, ensuring secure access control and protection of user data.
  • Demonstrated proficiency in agile methodologies, consistently delivering high-quality code increments in iterative development cycles to meet project milestones and deadlines.
  • Conducted knowledge-sharing sessions to disseminate best practices and emerging technologies within the team, fostering continuous learning and professional growth.
Technologies: React, TypeScript, GraphQL, Next.js, Apollo, Stripe, Dwolla API, Blockchain, Video Players, Material UI, Front-end, Front-end Development, Architecture, APIs, REST APIs, Figma, Mobile First, Jira, JavaScript Testing, Search Engine Optimization (SEO), Mobile Apps, Cloud Platforms, Responsive Web Design (RWD), CSS3, HTML5, Front-end Architecture, Front-end Design, JavaScript, Swagger, Git, Agile, Scrum, Visual Studio Code (VS Code), MacOS, HTML, React Query, REST, User Interface (UI), React Apollo, Responsive Web Apps, Apollo Client, Web App Development, API Integration, User Experience (UX)

Managing Partner and Development Manager

2013 - 2022
Iteraflow
  • Conducted comprehensive requirements analysis and project definition sessions, ensuring alignment with client objectives and expectations.
  • Designed and implemented highly redundant, secure, and scalable infrastructure architectures, utilizing cloud-based solutions and industry best practices.
  • Established secure communication channels between front- and back-end systems, leveraging the OAuth 2.0 authorization protocol to safeguard data integrity and user privacy.
  • Integrated with 3rd-party systems such as FreshBooks and Office 365, facilitating seamless data exchange and enhancing workflow automation capabilities.
  • Led the performance testing and optimization efforts for Angular components and DOM activities, identifying and resolving performance bottlenecks to improve application responsiveness and user experience.
  • Managed cross-functional teams to ensure timely project delivery and alignment with business objectives, fostering collaboration and accountability across departments.
  • Established quality assurance processes and conducted regular code reviews to maintain code quality and minimize defects, improving product reliability and customer satisfaction.
  • Provided technical guidance and mentorship to team members, fostering professional growth and skill development within the organization.
  • Collaborated with stakeholders to define product roadmaps and prioritize feature development, ensuring alignment with market trends and customer needs.
Technologies: Microsoft SQL Server, TypeScript, Angular, Spring Boot, Spring, Java, Git, React, Node.js, Front-end Development, Architecture, APIs, React Native, REST APIs, MongoDB, Material UI, Mobile First, Jira, JavaScript Testing, Search Engine Optimization (SEO), CI/CD Pipelines, Cloud Platforms, Responsive Web Design (RWD), CSS3, HTML5, Front-end Design, MySQL, PostgreSQL, AngularJS, JUnit, jQuery, Java EE, Spring MVC, JavaScript, Swagger, OAuth 2, Bootstrap, Sass, Spring Tool Suite (STS), Visual Studio Code (VS Code), CSS, Subversion (SVN), Oracle Database, Jersey, Apache JMeter, MacOS, HTML, Mongoose, REST, React Router, User Interface (UI), Responsive Web Apps, Monorepos, Software Engineering, Azure, Software Architecture, Full-stack Development, Oracle SQL, Web App Development, Full-stack, Digital Payments, API Integration, User Experience (UX), Technical Leadership, CTO, FreshBooks, Dashboards, NoSQL

Senior React Developer

2021 - 2021
Median Inc
  • Established a robust front-end project environment by creating a React app, configuring necessary libraries, and structuring the project for scalability and maintainability.
  • Architected and implemented the project's overall architecture, leveraging Redux for state management and Material UI for consistent and responsive user interface design.
  • Engineered secure communication channels between the front- and back-end systems, implementing encryption protocols and authentication mechanisms to safeguard sensitive data.
  • Integrated front-end components with back-end APIs, ensuring seamless data flow and synchronization between client and server.
  • Developed reusable React components and UI patterns to streamline development efforts and maintain consistency across the application.
  • Implemented unit and integration tests using Jest and React Testing Library, ensuring code reliability and preventing regressions in functionality.
  • Optimized front-end performance by identifying and resolving performance bottlenecks, resulting in a 20% improvement in page load times.
  • Collaborated with cross-functional teams to refine project requirements and prioritize feature development, ensuring alignment with business objectives and user needs.
  • Mentored junior developers on React best practices, code quality standards, and software engineering principles, fostering a culture of continuous learning and improvement within the team.
Technologies: React, Node.js, Redux, TypeScript, SCSS, React Redux, Front-end, Front-end Development, Architecture, APIs, REST APIs, Material UI, Mobile First, Jira, JavaScript Testing, Responsive Web Design (RWD), CSS3, HTML5, Front-end Design, Formik, JavaScript, Swagger, Git, Agile, Scrum, Visual Studio Code (VS Code), MacOS, HTML, Front-end Architecture, REST, React Router, User Interface (UI), Responsive Web Apps, Web App Development, API Integration, User Experience (UX)

Senior Front-end Developer

2020 - 2021
Most Investments, LLC d/b/a Pantheon Software
  • Migrated a legacy Angular application to React using Redux and TypeScript, improving code maintainability and developer productivity.
  • Designed and implemented the application's architecture, ensuring scalability, maintainability, and security.
  • Orchestrated server-side communication implementations, optimizing data exchange processes and enhancing application performance.
  • Implemented robust application security measures, including authentication and authorization protocols, safeguarding sensitive data and ensuring compliance with industry standards.
  • Monitored other developers' work, providing guidance and feedback to maintain code quality and stability.
  • Managed code complexity by implementing efficient design patterns and modular code structures, enhancing code maintainability and readability.
  • Participated actively in sprint planning and retrospectives, contributing insights to improve development processes and team collaboration.
  • Conducted knowledge-sharing sessions to disseminate best practices and emerging technologies within the team, fostering continuous learning and professional growth.
Technologies: React, Redux, Node.js, TypeScript, SCSS, React Redux, Front-end, Front-end Development, Architecture, APIs, REST APIs, Material UI, Mobile First, Jira, JavaScript Testing, Cloud Platforms, Responsive Web Design (RWD), CSS3, HTML5, Front-end Design, JavaScript, Swagger, Agile, Scrum, MongoDB, Visual Studio Code (VS Code), CSS, MacOS, HTML, Front-end Architecture, REST, React Router, Recharts, TanStack Query, User Interface (UI), Responsive Web Apps, Zod, Monorepos, Web App Development, API Integration, User Experience (UX)

Angular and React Developer

2020 - 2021
Most Investments, LLC Pantheon Software
  • Engineered an Angular 10-based web application for a caregiving NGO, enhancing user accessibility and streamlining information dissemination.
  • Played a pivotal role in the architecture and development of a React-based application for coaching within the caregiving sector, optimizing user experience and fostering engagement.
  • Developed a React web application tailored for caregivers, incorporating intuitive user interfaces and responsive design principles to facilitate ease of use and accessibility.
  • Leveraged Redux and TypeScript to enhance state management and code maintainability, resulting in a 30% reduction in bug occurrences.
  • Integrated REST APIs into front-end applications to enable seamless data retrieval and manipulation, enhancing application functionality and user experience.
  • Employed CSS and HTML5 best practices to create visually appealing and responsive web interfaces, driving user engagement and satisfaction.
  • Implemented back-end functionalities and established seamless communication between a Node.js server and the React front end, ensuring efficient data flow and system interoperability.
Technologies: Angular, React, Redux, Node.js, Git, TypeScript, DocumentDB, Elastic, Front-end, Front-end Development, Architecture, APIs, REST APIs, Figma, Mobile First, Jira, Cloud Platforms, Responsive Web Design (RWD), CSS3, HTML5, Front-end Design, jQuery, JavaScript, Swagger, Agile, Scrum, Visual Studio Code (VS Code), CSS, MacOS, HTML, Front-end Architecture, REST, React Router, User Interface (UI), Web App Development

Technical Manager

2009 - 2013
Balkan Financial Services
  • Spearheaded comprehensive research into banking architecture and technology, driving strategic decision-making and project execution to enhance operational efficiency and competitiveness within Balkan Financial Services.
  • Pioneered the development of a cutting-edge web-based framework facilitating seamless communication between Oracle FLEXCUBE and diverse web applications, streamlining banking processes and improving customer interactions.
  • Orchestrated a talented team in designing, developing, and successfully implementing three distinct web-based projects seamlessly integrated into the operational frameworks of prominent financial institutions in Bulgaria and Macedonia.
  • Led deployment activities, database administration, and ongoing support for the Oracle FLEXCUBE Corporate Module, ensuring the reliability and performance of critical banking systems in alignment with regulatory standards and business objectives.
  • Executed strategic projects and orchestrated seamless integration processes between FLEXCUBE and external systems, optimizing operational workflows and enhancing overall system interoperability.
Technologies: CSS, jQuery, JavaScript, Spring, Java EE, Front-end, SQL, Front-end Development, Architecture, APIs, Amazon Web Services (AWS), REST APIs, Jira, Search Engine Optimization (SEO), CI/CD Pipelines, Cloud Platforms, CSS3, HTML5, JUnit, Spring MVC, MySQL, Swagger, OAuth 2, AngularJS, Java 8, Git, Bootstrap, Apache Maven, Sass, Agile, Spring Tool Suite (STS), TypeScript, JAX-RS, Subversion (SVN), Oracle Database, Jersey, Apache JMeter, Java SE, HTML, REST, User Interface (UI), Software Engineering, Software Architecture, Full-stack Development, Oracle SQL, Web App Development, Full-stack, Digital Payments, API Integration, Spring Boot, Technical Leadership, CTO

Developer

2007 - 2009
Folio3 Software
  • Spearheaded the server-side development of a dynamic virtual world catering to children's entertainment, showcased on Secretbuilders.com, ensuring seamless functionality and engaging user experiences.
  • Engineered a robust web application leveraging Java EE technologies, optimizing performance and scalability to meet evolving business needs and user demands.
  • Designed and implemented a SmartFoxServer extension using Java SE, enhancing real-time communication capabilities and fostering immersive interactive environments.
  • Managed end-to-end development and maintenance of the PostgreSQL database server, implementing efficient data management strategies and ensuring data integrity and security.
  • Collaborated with cross-functional teams to troubleshoot and resolve complex technical issues, ensuring uninterrupted operation of critical systems and applications.
  • Demonstrated versatility and proficiency in a diverse tech stack, including Java SE, Java EE, JavaScript, CSS, and PostgreSQL, adapting quickly to new technologies and project requirements.
Technologies: PostgreSQL, JavaScript, HTML, Java EE, Java SE, Architecture, APIs, JUnit, jQuery, Spring MVC, MySQL, Java 8, Spring Tool Suite (STS), CSS, Subversion (SVN), Spring Boot

Value-based Healthcare Reimbursement Platform

The platform represents a paradigm shift in healthcare reimbursement, offering a comprehensive solution to the challenges of value-based care. The application drives improved healthcare outcomes, financial sustainability, and patient satisfaction by facilitating collaboration between payers and providers.
Closely collaborating with a committed team of 10 individuals, encompassing the CEO, project manager, and technical experts, I undertook a transformative 2-year endeavor to pioneer this innovative solution. Operating entirely remotely, our team exerted unwavering effort to realize the company's mission, adeptly navigating the dynamic landscape of the healthcare sector.

Child Care Social Platform

https://beethere.care
BeeThere empowers parenthood through community collaboration. As the lead full-stack developer, architect, and team lead, I spearheaded the development of BeeThere, an innovative platform redefining childcare support.

At its heart, BeeThere cultivates "Circles of Trust," connecting parents within communities to coordinate childcare arrangements seamlessly. Through intuitive features like a shared calendar and a point-based exchange system, BeeThere facilitates efficient childcare management, allowing parents to prioritize quality time with their children.

Built with cutting-edge technologies, including Node.js, Express, MongoDB, React, Next.js, and Material UI, BeeThere offers a seamless user experience, blending robust back-end functionality with an intuitive front-end interface.

Embodying the essence of inter-neighborly cooperation, BeeThere empowers communities to come together and support one another in the fulfilling journey of parenthood.

Business Credit Builder Platform

https://www.equiire.com
The project focuses on developing a cutting-edge business credit builder platform using Stripe as the payment gateway.

As a back-end developer, my responsibility involves architecting and implementing core functionalities to ensure a seamless user experience. Leveraging MongoDB for data management, I handled intricacies, guaranteeing integrity and scalability. Integrating Stripe for payment processing, I prioritized secure transmission and robust error handling. Security measures, including encryption and access controls, fortify user data protection. Challenges like scalability are met through cloud-based infrastructure and containerization technologies. Real-time updates on payment statuses are facilitated using WebSockets for enhanced user transparency.

In conclusion, my contributions have been vital in crafting a sophisticated platform empowering businesses to streamline credit-building processes and unlock growth potentials.

Mobile Only Bank App

Revolutionizing the banking experience with seamless mobile accessibility, the project introduces a sophisticated web banking application. Users effortlessly register, establish bank accounts, manage debit cards, and conduct transactions—all within their mobile device's intuitive interface.

At its core, the system comprises a dynamic web application with OAuth 2 authentication and a suite of microservices housing intricate business logic. Built on a robust RESTful architecture using Java 8 and Spring Boot, the framework ensures agility and scalability.

As the architect and principal developer, I was responsible for:

• Crafting the architecture and conceptual design for a seamless user experience.
• Fortifying the system's security through rigorous mechanisms.
• Spearheading RESTful API design for seamless mobile integration.
• Conducting performance testing and optimization for efficiency.
• Resolving bugs and overseeing code reviews to ensure reliability.

This project sets a new standard in mobile banking, merging innovation with user-centric design to reshape the digital finance landscape.

Nonprofit Project Management SaaS Solution

This Azure cloud-based SaaS solution enables nonprofit organizations to track progress, manage and organize projects' information throughout their lifecycle, organize, tag, and search media content, and collaborate on documents online through Office 365.

As the lead front-end developer, I had the following responsibilities:

• Analysis of requirements and project scope definition.
• Design and implementation of core AngularJS models, services, and components.
• Architectural decisions and implementation of the security and communication layers with the server.
• Authentication and communication with Office 365 using Adal.js and single sign-on architecture.
• Performance testing and optimization of AngularJS components and DOM activities.
• Maintaining quality and best practices.

Appliance Repair Franchising Solution

A secure, flexible, and highly reliable solution that offers online all the features of a physical branch office at any time and from anywhere. iBanking implements a modular approach and uses up-to-date technologies to guarantee excellent performance and superior user experience. The system implements a three-layer security mechanism that relies on OAuth 2 authentication mechanism, RESTful services for retrieving and storing the data from and to the legacy or third-party systems, and a modern and intuitive front-end experience.

As a lead developer, I was involved in the following:

• Architectural decisions and implementation of the core modules in the system.
• Securing the communication between JavaScript clients and a web server using OAuth 2 and AngilarJS.
• Design and development of reusable AngularJS models, services, and components.
• Performance testing and optimization in different layers, including server scalability, HTTP(S) data transfer, data rendering, and JavaScript execution speed.

Internet Banking Solution

A secure, flexible, and highly reliable online solution that offers all the features of a physical branch office anytime and from anywhere. The application implements a modular approach and uses up-to-date technologies to guarantee excellent performance and superior user experience. The system implements a 3-layer security mechanism that relies on an OAuth 2 authentication mechanism, RESTful services for retrieving and storing the data from and to the legacy or 3rd-party systems, and a modern and intuitive front-end experience.

As the software architect and consultant, I was involved in the following:

• Architectural decisions and implementation of the core modules in the system.
• Securing the communication between JavaScript clients and a web server using OAuth 2 and AngilarJS.
• Design and development of reusable AngularJS models, services, and components.
• Performance testing and optimization in different layers, including server scalability, HTTP(S) data transfer, data rendering, and JavaScript execution speed.

Bank Front Office System

An intuitive and functional, easy-to-learn, and easy-to-extend platform that aims to increase the speed and quality of services at the bank's branch offices. The system was built to replace Oracle FlexBranch and bring the bank's customer service to a higher level. One of the significant benefits of the system is that it provides access to all back-end bank systems from a single front end.

As a software architect and lead developer, I collaborated closely with database administrators, the card department, and front office managers to define the highly flexible architecture and seamless workflow.

Transaction-based Content Management System

A web-based application used to generate dynamic user interfaces and serve as front- and middle-tier for FLEXCUBE retail and corporate modules. Built using Java programming language, it communicates directly with Oracle 11g database server. The system is developed in close relationship with the Oracle FLEXCUBE transaction model. This model gives the ability for fast and precise communication between both systems. Also, it is designed for internal usage in the bank industry and has a strong authentication and authorization mechanism, providing high flexibility for FLEXCUBE-related functionalities and third-party integrations.

As the architect and lead developer, I oversaw the execution of the project and integration process with FLEXCUBE and other external systems.

Business Reporting System

A flexible reporting solution that supports both online and offline reporting architectures. It is a Java-based web application developed for front officers working with Oracle FlexBranch. This business reporting system (BRS) has a mechanism to work with multiple resources and communication channels, including data warehousing and online production reporting. In addition to its reporting interface, the BRS has a form generator, virtual accounting interface, and extended customer data manipulation. With its powerful email notification service, the BRS supplies a subscription mechanism serving customers, users, or whole bank departments.

As an architect and lead developer, I oversaw the architecture and development of the system. Under my leadership, the project was integrated into two banks, where it serves as the management and operational reporting platform.

Document Management System

This system simplifies the internal processes in the organization by providing customizable forms for workflow automation, reports, and document management and facilitating communication with customers or partners.

As the architect and lead developer, I was involved in the following:

• Analysis of requirements, project scope definition, and communication with the client.
• Architecture and development of server-side components and database communication layer.
• Design and development of client-side components, visualization, and security layers for server communication.
• Performance testing and optimization.
2010 - 2012

Master's Degree in Technology Entrepreneurship

Sofia University St. Kliment Ohridski - Sofia, Bulgaria

2004 - 2008

Bachelor's Degree in Mathematics and Informatics Science

Sofia University St. Kliment Ohridski - Sofia, Bulgaria

1998 - 2004

High School Diploma in Mathematics and Informatics

Mathematical Gymnasium - Pleven, Bulgaria

Libraries/APIs

React, Node.js, JAX-RS, jQuery, REST APIs, React Query, React Router, Zod, React Redux, Stripe, Formik, React Hook Form, Amazon API, Recharts, Stripe API, Auth0 API, Dwolla API, Apollo Client, Java Servlets

Tools

Git, Jira, Mongoose, Spring Tool Suite (STS), Apache Maven, Subversion (SVN), Apache JMeter, React Apollo, Figma, JavaScript Testing, JSS, AWS IAM, Amazon Cognito, Stripe Checkout, Yarn Workspaces, Auth0, Elastic, Amazon Simple Email Service (SES), FullCalendar, MailerLite, FreshBooks

Frameworks

Redux, Spring Boot, JUnit, Spring, Spring MVC, OAuth 2, AngularJS, Angular, Swagger, Next.js, Express.js, Material UI, Bootstrap, Jersey, React Native, MJML

Languages

HTML, CSS, TypeScript, JavaScript, SQL, Java, Java 8, HTML5, ECMAScript (ES6), Java SE, CSS3, Sass, SCSS, GraphQL, Markdown, C++

Paradigms

Responsive Web Design (RWD), REST, Agile, Scrum, Search Engine Optimization (SEO)

Platforms

Visual Studio Code (VS Code), Java EE, Blockchain, AWS Elastic Beanstalk, MacOS, Amazon Web Services (AWS), Oracle Database, Azure, AWS Lambda

Storage

PostgreSQL, MySQL, Oracle SQL, NoSQL, Microsoft SQL Server, MongoDB

Other

DocumentDB, User Interface (UI), Responsive Web Apps, Front-end, Front-end Development, Architecture, APIs, Mobile First, Front-end Architecture, Front-end Design, Software Engineering, Software Architecture, Responsive UI, Webhooks, Full-stack Development, Web App Development, Full-stack, Digital Payments, API Integration, User Experience (UX), Technical Leadership, CTO, React Server Components, Mobile Apps, CI/CD Pipelines, Cloud Platforms, Monorepos, TSS, Strapi, eCommerce, TanStack Query, Stripe Subscriptions, DocuSign, Dashboards, Apollo, Video Players, Web Applications, PDF, Startups

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