Nikolay Zlatev

Software Engineer at P3 Bulgaria

Utilizing C# and ASP.NET to build robust and scalable software services and APIs; conducting research and development for technical and infrastructural tasks, as well as writing documentation; participating in design reviews and contributing to the overall system architecture; actively writing unit tests; increased test coverage from 7% to 92% by using xUnit, NSubstitute and FluentAssertions; estimating and implementing tasks, conducting daily code reviews and communicating with other teams.

Software Engineer at Progress Software

Developed, optimized, and maintained microservice-based APIs for a personalization analytics platform; led API migration from JavaScript to .NET, successfully transferring 40% of all endpoints and services; worked with UX, architects, and coordinated with development, QA, and DevOps teams; participated in Scrum sprint planning, daily stand-ups, refinement, grooming and retrospective meetings.

Software Developer Intern at Go Live UK

Developed backend and frontend functionalities, features and APIs for various applications; introduced new technologies in the projects, exploring innovative solutions to enhance efficiency; refactored over 2000 lines of code from an old project utilizing OOP, SOLID, DRY and KISS principles; focused on identifying, testing and fixing bugs, as well as optimizing important functionalities in the applications.

Student at Software University

Completed an intensive 600+ hours course focused on learning technical, communication and problem-solving skills; learned .NET, REST API, Entity Framework Core, Databases, Data Structures and Algorithms, OOP, CSS and HTML; created 3 projects from scratch by following SOLID principles with layers architecture, unit testing, logging, etc.

Software Engineer at P3 Bulgaria

Shipped C#/ASP.NET Core Web APIs and backend services, improving reliability and scalability. Drove design reviews to shape API contracts, validation, and logging across the system architecture. Increased test coverage from 7% to 92% using xUnit, NSubstitute, and FluentAssertions. Planned and delivered sprint work; ran daily code reviews and coordinated cross-team API integrations.

Software Engineer Intern at Progress Software

Developed, optimized, and maintained microservice-based APIs for a personalization analytics platform. Led API migration from Node.js to .NET, successfully transferring 40% of all endpoints and services. Worked with UX, architects, and coordinated with development, QA, and DevOps teams. Participated in Scrum ceremonies.

Software Developer Intern at Go Live UK

Developed backend and frontend functionalities, features and APIs for various applications. Introduced new technologies in the projects, exploring innovative solutions to enhance efficiency. Refactored over 2000 lines of code from an old project utilizing OOP, SOLID, DRY and KISS principles. Focused on identifying, testing and fixing bugs, as well as optimizing important functionalities in the applications.

Software Engineer at P3 Bulgaria

Shipped C#/ASP.NET Core Web APIs and backend services, improving reliability and scalability. Led API design reviews, and increased test coverage from 7% to 92% using xUnit, NSubstitute, and FluentAssertions. Planned sprint work and coordinated cross-team API integrations.

Software Engineer Intern at Progress Software

Developed, optimized, and maintained microservice-based APIs for a personalization analytics platform. Led API migration from Node.js to .NET, transferring 40% of endpoints and services. Collaborated with UX, architects, QA, and DevOps; participated in Scrum ceremonies.

Software Developer Intern at Go Live UK

Developed backend and frontend functionalities and APIs; introduced new technologies to improve efficiency; refactored over 2000 lines of code applying OOP, SOLID, DRY and KISS principles; focused on bug fixing and optimization.

Software Engineer at P3 Bulgaria

Shipped C#/ASP.NET Core Web APIs and backend services, improving reliability and scalability. Turned R&D on technical/infrastructure topics into deployable API components; wrote clear documentation. Drove design reviews to shape API contracts, validation, and logging across the system architecture. Increased test coverage from 7% to 92% using xUnit, NSubstitute, and FluentAssertions. Planned and delivered sprint work; ran daily code reviews and coordinated cross-team API integrations.

Software Engineer Intern at Progress Software

Developed, optimized, and maintained microservice-based APIs for a personalization analytics platform. Led API migration from Node.js to .NET, successfully transferring 40% of endpoints and services. Worked with UX, architects, and coordinated with development, QA, and DevOps teams. Participated in Scrum planning, daily stand-ups, refinement, grooming and retrospective meetings.