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Rostislav Nikolaiev
Senior Python / Full Stack Engineer
☎ [відкрити контакти](див. вище в блоці «контактна інформація») ✉ [відкрити контакти](див. вище в блоці «контактна інформація») ⚐ Kyiv, Ukraine
[відкрити контакти](див. вище в блоці «контактна інформація»)

ABOUT ME EDUCATION
Senior Python / Full-Stack Engineer with 8+ 2014 | Economics
years of experience building and evolving Kyiv National Economic University
production web systems — from domain Master's Degree
modelling and API design to responsive
interfaces and operations. Strong in Django,
Django REST Framework, FastAPI, PROJECTS
PostgreSQL, React/Next.js, and Pobut Pro — Modular ERP Platform — Independent Product Engineer · 2025–Present
asynchronous workloads with Celery and Designed and continue to evolve a modular ERP platform built around shared company,
Redis. Delivered ERP/CRM, billing, access- person, access-control, catalogue, document, and financial primitives. The architecture
control and AI-assisted platforms, real-time currently spans 32 domain services and 33 role-specific frontend applications across
workflows, and third-party integrations. residential management, accounting, warehouse, logistics, HR, restaurant, and security
Comfortable owning complex products workflows.
end-to-end, from ambiguous requirements
to reliable production delivery. Python FastAPI SQLAlchemy PostgreSQL Redis Kafka Docker React

TypeScript Microservices
LANGUAGES
English Supergraph — Federated Data & Workflow Framework — Creator · 2025–Present
Created a reusable Python framework for composing data and business operations
Russian across independent microservices without GraphQL federation. Built JSONQL, runtime
schema discovery, cross-service relation resolution, query planning, transactions,
Ukrainian asynchronous workflows, Redis-backed signals, subscriptions, and generated
TypeScript contracts with React Query hooks.
SKILLS Python FastAPI Pydantic SQLAlchemy asyncpg Redis HTTPX React
PROGRAMMING LANGUAGE
TypeScript React Query
Python
TypeScript TalentStack — AI Recruitment & Interview Automation Platform — Independent Full
FRAMEWORK/LIBRARY Stack Engineer · 2025–Present
Django Built a full-stack recruitment platform for candidate sourcing, hiring pipelines, interview
Django REST Framework automation, assessment, and recruiter workflows. Includes AI-driven interviews with
FastAPI adaptive follow-ups and structured feedback, audio transcription workers, document
Next.js generation, Google Calendar and OAuth, messaging, billing, and operational
React dashboards.
Celery Python Django Django REST Framework PostgreSQL Redis Celery
SQLAlchemy
Django Channels Django Channels Next.js React TypeScript OpenAI Anthropic faster-whisper
DATABASE
Docker
PostgreSQL
Redis Parking ALPR — Edge Vehicle Plate Recognition Node — Independent Computer
OTHER Vision & Full Stack Engineer · 2026
REST API Design Built an on-premise access-control node for parking checkpoints. The pipeline
System Architecture combines plate detection, OCR, multi-frame aggregation, geometric correction,
Microservices dewarping, and confidence-based validation. Added Ukrainian plate classification for
OpenAI & Anthropic APIs regions, legacy and special formats, foreign plates, and common OCR character
WebSockets substitutions, plus an operator console.
DEVOPS Python fast-alpr ONNX Runtime Computer Vision React TypeScript Vite
Docker

1/3

Dreamers — Configurable Furniture E-commerce Platform — Independent Full Stack
Engineer
Built a furniture catalogue and ordering platform with hierarchical categories,
configurable product parts, material and colour combinations, product SKUs, interior
data, cart and order flows, delivery-location APIs, and content-management tooling.
Python Django Django REST Framework PostgreSQL Redis Celery Next.js

React TypeScript Redux Chakra UI AWS S3

WORK EXPERIENCE
Sep 2025–Present | Technical Interviewer
Intetics
Conducting technical interviews for Intetics, evaluating Python, Django, and React
engineers across backend and full-stack roles.
Conducted 80 technical interviews since September 2025.
Evaluated practical knowledge of Python, Django, React, and adjacent full-stack
technologies.
Assessed problem-solving, system design, code quality, and communication.
Delivered structured technical feedback and hiring recommendations to support
candidate-selection decisions.
Python Django React Technical Interviewing

Feb 2024–Sep 2025 | Full Stack Developer
State Municipal Guard, Ukraine
Designed and evolved connected operational, billing, security, and parking-access
platforms for residential complexes. The work grew from a Google Sheets and bank
synchronisation script into role-based business applications with background jobs,
external integrations, and real-time operational interfaces.
Architected multi-role workflows for accounting, tariffs, discounts, recurring fees,
and resident operations.
Implemented Google Sheets and bank-data synchronisation, transaction parsing,
reconciliation reports, and XLSX exports.
Built security and parking-access workflows for residents, vehicles, parking zones,
cameras, and external access-control systems.
Implemented resilient background synchronisation with retries and failover, plus
source-IP protection for camera-event ingestion.
Delivered real-time parking and application updates with Django Channels and
Redis-backed WebSockets.
Integrated Telegram bots and partner APIs for notifications, vehicle-access
synchronisation, and support workflows.
Python Django Django REST Framework PostgreSQL React Next.js TypeScript

Celery Redis Django Channels WebSockets Google Sheets API Telegram Bot API

2/3

Jan 2023–Aug 2023 | Full Stack Developer
EVDS, India
Worked on distributed microservice solutions for a device-monitoring platform. Built an
API gateway and a topology-visualisation product for complex network data.
Developed an Express.js and Apollo Server API gateway that generated GraphQL
types, queries, mutations, API documentation, and Postman collections from typed
service definitions.
Researched GoJS, React Flow, and Three.js approaches, then built a multi-layer 3D
topology visualisation with filtering, connections, and animation.
Implemented FastAPI services for transforming and aggregating data for the
visualisation layer.
Python FastAPI JavaScript Node.js Apollo Server GraphQL React Three.js

React Flow Redux

Jan 2022–Apr 2022 | Full Stack Developer (Part-time)
DWELL, USA
Contributed to a large property-management platform with multiple integrations and a
substantial existing codebase while working with an international team.
Delivered backend and frontend features in a complex production codebase.
Resolved production issues and collaborated with a distributed international team.
Python Django React TypeScript Redux

Dec 2020–Dec 2022 | Full Stack Developer
CYBEROO, Italy
Built enterprise internal platforms and middleware solutions, including a SOAP-to-REST
integration layer and a CRM product with configurable workflows, search, and
messaging.
Developed middleware that converted SOAP integrations into REST APIs.
Built a CRM platform from scratch with role-specific interfaces and dynamic
product/question configuration.
Implemented JSON import/export, PDF and XLSX exports, multilingual workflows,
automated email notifications, and Elasticsearch search.
Developed an asynchronous chat microservice and notification workflows using
Node.js and PostgreSQL.
Python Django PostgreSQL React Material UI Redux Express.js Sequelize

Elasticsearch

Jan 2017–Dec 2019 | Full Stack Developer / UI & UX Designer
Freelance, Ukraine
Designed and delivered e-commerce stores and lightweight CRM systems directly with
small and medium business owners.
Delivered seven e-commerce stores and two CRM systems from requirements
gathering through launch.
Built interactive carts, reviews, filters, sorting, pagination, form validation, and admin
workflows with Django, REST APIs, and AJAX.
Python Django Django REST Framework PostgreSQL JavaScript HTML CSS

AJAX

3/3