Ангеліна

ANHELINA
SVIATYNCHUK Profile

Experienced developer skilled in working with Node.js and SQL databases
NODE.JS DEVELOPER
Education

CONTACT Bachelor - Radio Engineering 9/2015-6/2019
Odessa National Polytechnic University -
Birthdate: 19/03/1998 Ukraine

[open contact info](look above in the "contact info" section)
Work experience
[open contact info](look above in the "contact info" section)

Junior Node.js Developer 6/2021-11/2022
Languages
Zazmic
English Middle Application for booking workspaces.
The app allows users to find available locations and book desk or
room, receive booking reminders, and upload their COVID certificate
for HR verification before being granted access to the booking system.
Technologies: Typescript, Nest.js, PostgreSQL + Typeorm.

Node.js Developer 11/2022-9/2024
Zazmic
Software for project management.
It allows users to create product roadmaps, plan iterations, track
issues, share files, and more.
Technologies: Express.js, PostgreSQL + Sequelize, Elasticsearch.

Responsibilities:
- Designing and implementing RESTful APIs.
- Working with databases, writing complex SQL queries.
- Developing integration and unit tests using Mocha, Chai, Jest,
covering core application scenarios with tests.
- Refactoring code to improve readability and performance.

In this role, I successfully managed to:
- Wrote unit tests, boosting code coverage from 63% to 85%.
- Refactored the code by replacing hardcoded strings in error handling
and HTTP responses with constants in an error codes module, making
the code more consistent and easier to maintain.
- Conducted regular code reviews, which improved the quality of the
code in the team.
Skills

Node.js, Express.js,
Nest.js, TypeScript

PostgreSQL, ORM

Languages

English Middle