Contact information

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Work experience

Strong Junior Nodejs Developer

from 03.2025 to 05.2025 (3 months)
Mobil Auto, Дистанційно (IT)

Worked on a large taxi service product.

Main tasks:
– integrated MAIB payment system (from integration to production)
– tested payment flows and deployed changes to server
– integrated OpenStreetMap for routing and address search
– implemented trip cost calculation with commissions
– worked with backend services in a microservice-like architecture

The project was large and written without a framework,
so I had to understand existing codebase and business logic quickly.

Backend Nodejs Developer

from 04.2024 to now (2 years)
Freelance, Дистанційно (IT)

Worked on several backend projects, mostly long-term.
Main project: Avunja — a multi-functional backend platform
with transactions, balances, user roles, payments, and commissions.
Worked with both monolith (Express) and microservices
architecture (NestJS, RabbitMQ).

Responsibilities:
– building backend services from scratch
– database and business logic design
– bug fixing and refactoring
– code reviews and API coordination with mobile developers

Also worked on:
– a Unity-based game backend (Node.js → NestJS migration)
– a data-heavy listings API with Airtable and Redis caching

Backend NodeJS Developer

from 09.2023 to 02.2024 (6 months)
HyperFactory, Дистанційно (IT)

I was engaged in writing APIs for applications using JavaScript, Express.js, MySQL, Sequelize, Redis, Swagger, AWS. My responsibilities included:

- Developing and thinking through the logic of applications.
- Efficient processing and interaction with databases.
- Working on importing data from Google Sheets.
- Optimizing database queries to increase productivity.
- Working with the AWS cloud service for deployment and management of applications.
- Creating server architecture.
- Searching for optimal solutions for challenges that arise during development, etc.

Career break

from 09.2022 to 08.2023 (1 year)
Working on a personal project

Career break

from 01.2022 to 09.2022 (9 months)
Working on a personal project

Education

Ліцей

Харків
Secondary, from 2010 to 2021 (11 years)

Additional education and certificates

"JavaScript", Ukrainian IT-SCHOOL

2021, 3 months

Knowledge and skills

• Docker
• TypeScript
• Node.js
• Express.js
• NestJS
• PostgreSQL
• MySQL
• MongoDB
• TypeORM
• Sequelize
• Mongoose
• Redis
• Handlebars
• Git
• JavaScript

Language proficiencies

• English — beginner
• Ukrainian — fluent

Additional information

Hi, I'm Nazar, a backend developer working with Node.js.

I build and support backend APIs using NestJS and Express:
authentication, business logic, integrations, caching, and databases.
Worked on game backends, a taxi service product (payments + maps),
and backend platforms with internal transactions and roles.

Experienced with maintaining existing codebases, legacy logic,
and supporting production systems.

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Freelance - Backend Node.js Developer
April 2024 – Present

Worked on several backend projects, including long-term product development.

Main project: Avunja — a multi-functional backend platform
with transactions, balances, user roles, payments, and commissions.
Worked with both monolith (Express) and microservices
architecture (NestJS, RabbitMQ).

Responsibilities:
– building backend services from scratch
– database and business logic design
– bug fixing and refactoring
– code reviews and API coordination with mobile developers

Also worked on:
– a Unity-based game backend (Node.js → NestJS migration)
– a data-heavy listings API with Airtable and Redis caching

MobilAuto - Strong Junior Node.js Developer
April 2025 - June 2025

Taxi service product.

– integrated MAIB payment system (production)
– implemented routing and address search (OpenStreetMap)
– trip cost calculation with commissions

HyperFactory - Junior Backend Developer
September 2023 – March 2024

Worked on backend for 3 game projects:
– developed APIs for two games based on technical requirements
– participated in rewriting a large backend from C# to Node.js
Responsibilities:
– authentication and user registration
– game logic: levels, rewards, daily bonuses, boss fights
– user profiles and progression
– MySQL + Sequelize, Redis
– deployments to AWS