Nikolay – Typescript, Node.js, React

An internal financial serverless application built on the AWS cloud platform to assist the accounting process.

• Developed and maintained features for an internal serverless financial application on AWS, supporting accounting workflows.
• Implemented frontend functionality using Angular and TypeScript and backend functionality using Node.js.
• Worked with PostgreSQL to retrieve and persist data used in financial workflows.
• Built reusable UI components to support consistent interfaces across the application.
• Investigated application issues, resolved defects, and improved performance across the frontend and backend.
• Wrote unit, integration, and end-to-end tests, including Cypress tests, to verify application behavior and help prevent regressions.
• Reviewed code and demonstrated completed features to stakeholders as part of the team’s Scrum process.

An intranet web application for the employees of UniPartners, which offers features like filling out timesheets, reporting absences, requesting expenses, registering for events and trainings, and managing internal communications.

• Developed frontend features for an internal employee platform covering timesheets, absence reporting, expense submissions, event and training registration, and internal communications.
• Built and maintained user interfaces using React and TypeScript, with Redux for application state management.
• Created reusable UI components to keep employee workflows consistent across the platform.
• Integrated frontend features with existing backend APIs to retrieve and display data and submit user inputs.
• Investigated and resolved frontend defects and improved application performance.
• Wrote unit tests to verify component behavior and help prevent regressions when adding or updating features.
• Participated in code reviews and demonstrated completed functionality during Scrum ceremonies.

Customer-specific ads on the client‘s device that are displayed while the client is watching streamed content.

• Added features to the existing applications.
• Improved application performance so they could work fast under extreme network request load and parse large amounts of information.
• Ensured the applications were working 24/7 with zero downtime.
• Read and persisted data in the database.
• Wrote pipelines and deployed applications to the cloud.
• Wrote unit, load, integration, and end-to-end tests.
• Debugged problems in production.
• Analyzed data from the logs.
• Conducted code reviews.
• Performed demos.

An open-source school management solution.

• Developed features using domain-driven design.
• Created reusable UI components with accessibility in mind following WCAG.
• Wrote unit tests.
• Optimized application performance.
• Conducted code reviews.
• Performed demos.

A responsive web portal that helps the jobless manage their account at the government's auxiliary fund.

• Created reusable components using a predefined design system.
• Wrote unit tests.
• Optimized application performance.
• Performed demos.