Всеволод

CONTACTS
Ivanov Vsevolod
Zaporizhzhia, UA
Middle Full-Stack (JS/TS) Developer — Backend-
[відкрити контакти](див. вище в блоці «контактна інформація») Focused

[відкрити контакти](див. вище в блоці «контактна інформація»)

PROJECTS
Data Aggregation & Parsing System (NDA)
PROFESSIONAL • Designed and implemented backend services for automated data aggregation from
SUMMARY external communication platforms.

Backend-oriented FullStack Developer • Developed custom parsers to extract, normalize, and store large volumes of
unstructured data, including historical records.
with 2 years of commercial
experience. Specialize in building and • Built scalable processing pipelines with error handling and data validation.
launching production web platforms • Optimized performance for high-load data processing scenarios.
using NestJS and Next.js, with a
Tech: NestJS, Node.js, TypeScript, REST API, Databases(MongoDB, ASURE)
strong focus on backend architecture,
data modeling, and integrations.
Developer (Next.js/Nest.js), Media Processing Module
Experienced in complex data parsing,
geospatial search, CRM • Developed a media-processing module that automatically generates video previews
synchronization, and admin systems. by extracting the first frame.
Comfortable taking ownership of • Implemented deferred video loading on user interaction to reduce initial load time and
features and projects end-to-end, from improve UX.
requirements and design to
• Integrated media processing logic into an existing backend architecture.
deployment and production support.
Tech: Node.js, TypeScript, media processing, async jobs

Developer (Next.js/Nest.js), Project: E-commerce Backend Platform
• Designed and developed backend architecture for an online store platform.
SKILLS
• Implemented core e-commerce functionality: product catalog, categories, pricing
• JavaScript: logic, and data management.
• TypeScript: • Developed complex data parsing and synchronization logic for importing and
• Node.js: updating product data from external sources.

• Nest.js: • Built REST APIs for frontend integration, focusing on performance, scalability, and
data consistency.
• Express.js:
• Implemented authentication, role-based access control, and basic admin functionality.
• Exterior API/SRM:
• Optimized backend performance and database queries for production usage.
• Rest API:
Tech: NestJS, Node.js, TypeScript, REST API, PostgreSQL, Docker
• Next.js:
• React.js: Backend Architecture & Data Layer
• Redux: • Analyzed business requirements and designed backend architecture.
• React Hooks: • Designed relational database schema using PostgreSQL with geospatial data support
• Prisma: (PostGIS).

• PostgreSQL: • Implemented backend project structure using NestJS.

• MongoDB: • Built core domain modules for real estate objects (CRUD, filtering, pagination).

• Cloudflare D1: • Implemented secure API layer and environment configuration.

• Docker: Tech: NestJS, Node.js, TypeScript, PostgreSQL, PostGIS, Docker
• Docker Compose:
External CRM Integration & Data Sync
• Nginx:
• Implemented integration with an external CRM system via JSON feeds.
• PM2:
• Developed data synchronization logic for importing and updating real estate objects.
• Git:
• Added manual and automated synchronization triggers via admin panel.
• AWS S3:
• Ensured data consistency, validation, and error handling during sync processes.
• Cloudflare R2:
Tech: REST API, JSON feeds, async jobs, data normalization
• Azure Blob Storage:
• AWS: Frontend Application (Next.js)
• Developed frontend application using Next.js with internationalization support.
• Implemented key pages: home page, rental catalog, sales catalog, and property
detail pages.
• Integrated frontend with backend APIs and implemented dynamic data rendering.
• Built reusable UI components and filtering logic.

Tech: Next.js, React, TypeScript, i18n

Maps, Geo Filtering & Search
• Implemented interactive map with property markers.
• Developed geo-based filtering with dynamic behavior depending on selected region.
• Implemented advanced filters (price, area, rooms, property type).
• Integrated map and list views into a unified search experience.

Tech: Maps API, geospatial queries, PostGIS

Performance, SEO & Production Launch
• Optimized frontend performance (media optimization, caching, PageSpeed
improvements).
• Implemented SEO features: meta tags, OpenGraph, sitemap.
• Deployed frontend and backend to production environments.
• Conducted final testing and prepared system for handover and usage.

Tech: Docker, VPS, Vercel / Netlify, SEO optimization

EDUCATION
Sep 2021 – Jun 2025
Computer engineering and programming, National Technical
University «Kharkiv Polytechnic Institute» Ukraine, Kharkiv

LINKS
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