Loriyana Doncheva
Verified Expert in Engineering
Back-end Developer
Sofia, Bulgaria
Toptal member since January 5, 2022
Loriyana is a proactive and reliable software developer with a proven track record in developing software solutions using industry best practices for clients worldwide. She possesses strong expertise in .NET and Angular and solid knowledge in back-end development for web-based applications. Loriyana is eager to take on modern technologies and concepts for effective software development.
Portfolio
Experience
- Data Structures - 6 years
- .NET - 6 years
- C# - 6 years
- SQL - 6 years
- Full-stack - 6 years
- Object-oriented Programming (OOP) - 6 years
- Angular - 5 years
- TypeScript - 5 years
Availability
Preferred Environment
Windows, Visual Studio, Visual Studio Code (VS Code), Microsoft Teams, Azure DevOps, Git
The most amazing...
...project I've developed from scratch is a booking app that established my company as a go-to provider of software services for our first Japanese client.
Work Experience
Senior Software Developer
Accedia
- Led and mentored a team of four developers, providing feedback, clarifying requirements, helping with technical questions, and managing the tasks distributed to the team.
- Improved development processes by introducing CI/CD pipelines.
- Used AWS and Azure services for deploying and scaling web applications and services developed with .NET and Angular.
Software Developer II
Accedia
- Designed and developed new features for an eCommerce application, including payment integration with PayPal.
- Released a booking app built from scratch to the production environment.
- Actively participated in internal training and workshops. Developed the Angular training path to use within the company.
Software Developer
Accedia
- Developed new features and supported the existing web portal that enables users to view detailed information about their fund status and transactions and keep track of their financial well-being.
- Communicated business workflows and analyzed requirements.
- Increased unit tests coverage of the back-end service to +85%.
- Onboarded and mentored new team members.
Experience
Partnership Management Solution
My responsibilities included:
• Leading and mentoring a team of four developers, providing feedback, clarifying requirements, helping with technical questions, and managing the tasks distributed to the team
• Designing and developing the back-end microservices and the front-end application from scratch
• Keeping the code quality high by reviewing code from other developers and suggesting improvements
• Spearheading the features implemented by the team to comply with requirements and keeping the project manager up to date on the project's overall progress
Booking System
My responsibilities included:
• Designing and developing the booking software from scratch using .NET, Angular, and MySQL
• Setting up the AWS infrastructure and CI/CD pipelines
• Successfully releasing the project to the production environment
Marketplace
My responsibilities included:
• Designing and developing new features using .NET, Angular, and SQL
• Introducing payment integration with PayPal
• Setting up an Azure infrastructure and AzureDevOps CI/CD pipelines
Fund Management System
My responsibilities included:
• Full-stack development
• Communicating business workflows and analyzing requirements
• Preparing technical documentation
• Increasing unit tests coverage to +85%
• Building Azure DevOps CI/CD pipelines
• Onboarding and mentoring new team members
Toptal Node.js Accelerator
Education
Bachelor's Degree in Software Engineering
Sofia University, Faculty of Mathematics and Informatics - Sofia, Bulgaria
Certifications
Toptal Node.js Accelerator Graduate
Toptal, LLC
Microsoft Certified Solution Developer
Microsoft
CAE — Certificate in Advanced English
University of Cambridge
Skills
Libraries/APIs
REST APIs, Node.js, RxJS, Entity Framework, React
Tools
Visual Studio, Microsoft Teams, Git, Nx, Postman, Azure App Service, Azure Logic Apps, Amazon Elastic Block Store (EBS), Amazon Simple Queue Service (SQS), Amazon Simple Email Service (SES), Amazon CloudFront CDN, Jira, Bitbucket
Languages
C#, C#.NET, SQL, TypeScript, CSS, HTML, JavaScript, HTML5
Frameworks
.NET, Angular, ASP.NET, .NET Core, ASP.NET Core, ASP.NET Web API, Material UI, Swagger, Express.js, NestJS
Paradigms
Object-oriented Programming (OOP), REST, Azure DevOps, Unit Testing, Continuous Delivery (CD), Microservices
Platforms
Visual Studio Code (VS Code), AWS Lambda, Windows, Azure, Amazon Web Services (AWS)
Storage
MySQL, Microsoft SQL Server, JSON, Azure SQL, Amazon S3 (AWS S3), Azure Active Directory, Redis
Other
Full-stack, Back-end, APIs, Data Structures, CI/CD Pipelines, Front-end, Web Development, Amazon Route 53, Amazon RDS
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