Personal information hidden

IGOR SUSHCHUK
FULL-STACK DEVELOPER (BACKEND-FOCUSED)

PROFILE
Backend-focused Full-Stack Developer with 3+ years of
professional experience building and maintaining web applications
using TypeScript, NestJS, Node.js, and PostgreSQL. Experienced
in developing REST APIs, designing database structures,
[open contact info](look above in the "contact info" section)
integrating third-party services, and supporting production
[open contact info](look above in the "contact info" section) systems. Comfortable owning features end-to-end, from technical
design and implementation to deployment and monitoring. Also
Telegram
experienced in frontend development with Next.js and React.
GitHub Focused on writing reliable, maintainable code and delivering
practical solutions to business needs.
LinkedIn
TECHNICAL SKILLS
Languages
TypeScript, JavaScript, SQL, C#
LANGUAGES Backend
Node.js, NestJS, REST APIs, Microservices, JWT Authentication,
English (Pre-Intermediate)
Webhooks, Third-Party API Integrations
Ukrainian (Native) AI & LLM Integration
Gemini API, AI API Integrations, LLM-Powered Features, Prompt
Engineering
Frontend & Mobile
Next.js, React, React Native
Databases & ORM
PostgreSQL, MongoDB, Sequelize, TypeORM, Prisma
DevOps & Infrastructure
Docker, CI/CD, PM2, Nginx, Linux, DigitalOcean
Development Tools
Git, GitHub, Postman, Swagger/OpenAPI, Jira
AI-Assisted Development
Codex, Claude
Game Development
Unity3D, Blender

EDUCATION
Kyiv National University of Trade and Economics.
Master’s Degree in Software Engineering
Odessa Academy of Telecommunications
Bachelor’s Degree in Software Engineering
Kyiv College of Communications
Junior Specialist Degree in Software Engineering
 WORK EXPERIENCE
Be Belong
FULL-STACK DEVELOPER 2025 — Present
Contributed to building products from the ground up, launching them to production, and
supporting their adoption by real users
Delivered and supported backend functionality across five products in parallel, adapting
to different business requirements and priorities
Develop and maintain backend services and REST APIs using NestJS, Node.js, and
TypeScript
Implement core functionality, including user onboarding, authentication, payments,
notifications, analytics, and administrative features
Design database structures and optimize PostgreSQL queries to improve performance
and reliability
Manage deployments and production environments using Docker, PM2, CI/CD, and
DigitalOcean
Contribute to frontend development with Next.js and React when required
DP-Harmony
2023 — 2025
FULL-STACK DEVELOPER
Developed custom CRM systems tailored to specific client requirements and business
processes
Translated business requirements into technical solutions, application modules, and
automated workflows
Built backend services and REST APIs using NestJS, TypeScript, PostgreSQL, and
MongoDB
Implemented authentication, role-based access control, payment systems, and third-
party integrations
Developed responsive interfaces using Next.js and React
Automated deployments and supported applications in production
DAROBOTS
2022 — 2023
BACKEND DEVELOPER
Developed Telegram, Viber, and Facebook Messenger bots using NestJS and TypeScript
Designed REST APIs, webhooks, and integrations with external platforms
Implemented payment, notification, and analytics integrations
Managed application data with PostgreSQL and MongoDB and deployed services using
Docker
Bebusa Gameverse
2022
GAME DEVELOPER
Developed gameplay systems and mechanics for multiplayer and story-driven 2D and 3D
games
Created user interfaces and integrated characters, environments, animations, and other
game assets
Identified and resolved gameplay, performance, and stability issues
Optimized game components to provide a smooth and consistent player experience