Personal Portfolio

I am Stefan Kehayov

Software engineer

Experience

  1. Full Stack Developer at HyperAspect

    Develop and maintain data-driven solutions that fetch, process, and display American hospital ratings and quality measures, enabling easy comparisons for healthcare decision-making. Design and implement software applications that provide valuable insights to healthcare professionals and patients.

    Technologies used:

    Java, Spring, TypeScript, Angular, Redis, MongoDB, Jenkins, Docker, Microservice Architecture

  2. Full Stack Developer at UnitedHealth Group

    Developed and maintained electronic healthcare claims submission forms and the backend services required to process them efficiently.

    Technologies used:

    Java, Spring, MySQL, Adobe Experience Manager(AEM), Kafka, Docker, Kubernetes, Jenkins, Less (Methodology), Microservice Architecture

  3. Junior Java Developer at Fintech company (Non-disclosure agreement)

    Developed solutions related to cryptocurrency trading systems. (Details limited due to non-disclosure agreement)

    Technologies used:

    Java, Spring, Bamboo (CI/CD), Bitbucket, Jira, Angular, TypeScript, Splunk, MySQL, Agile (Methodology), Microservice Architecture

  4. Internship at HyperAspect

    Integrated an in-house developed workflow management system (similar to Jira) to manage tasks created by pipelines or users and assign them to team members. Implemented time-tracking functionality to monitor work progress on assignments. Developed features including file uploads, task linking, and automated notification systems. The system notifies users via in-platform notifications and email (for users subscribed to email notifications) about task progress and updates.

    Technologies used:

    Java, Spring, TypeScript, Angular, Redis, MongoDB, Jenkins, Docker, Microservice Architecture

Education

  1. Software Technologies with Specialization in Artificial Intelligence System at University of Plovdiv Paisii Hilendarski

    Skills:

    Software Architecture · Containerization · Orchestration · Intelligent Agents · Ontology Engineering · Intelligent Software Architectures · Database Integration · Server Applications · Software Tools · Semantic Web · Distributed Systems · Knowledge Representation · Agent-Oriented Development · Python · Web Technologies · Docker · Kubernetes · Microservices · Software Engineering · Project Management

    Degree:

    Master's degree

  2. Software Engineering at University of Plovdiv Paisii Hilendarski

    Skills:

    Software Development · Big Data · Mobile Applications · JavaScript · Computer Graphics · Python (Programming Language) · Microsoft SQL Server · ASP.NET Core · .NET Core · Hadoop · Teamwork · Microsoft Power BI · Distributed Systems · Web Development · Git · Angular · Java · C# · Object-Oriented Programming (OOP)

    Degree:

    Bachelor's degree

  3. Economic Informatics at Vocational School of Economics Karl Marx

    Skills:

    Cascading Style Sheets (CSS) · C++ · Visual Basic · HTML5 · Accounting · Java

    Degree:

    High School Diploma

Personal projects form GitHub: