VRS VAC RANDOM SAMPLE
FULL WEBSITE CONCEPT
Available for projects Nizhny Novgorod region / Remote RU EN
Backend developer
Node.js / TypeScript

BACKEND DEVELOPERPORTFOLIO / 2026

VAC RANDOM SAMPLE

NODE.JS · TYPESCRIPT · AUTOMATION · INTEGRATIONS

Backend developer with 2+ years of commercial experience. I build Node.js and TypeScript services, integrations, and business-process automation tools.

From requirements and architecture to delivery and maintenance.

Discuss a project Download résumé
SYS.01 / EXECUTION TRACE BUILD · SOLVE · IMPROVE

01 / SELECTED PROJECTS

Projects

Product and engineering work. Each project addresses a distinct problem: knowledge storage, scheduling, or observability.

WORK / 01

wikicore.vacrandomsample.ru

WikiCore

A modular platform for versioned wiki content and approvals, full-text search, support, and project management.

NESTJS / REACT / POSTGRESQL / OPENSEARCH / GO
WORK / 02

Scheduling systems

Booking App

A web application for managing appointments, services, and available time slots.

NESTJS / REACT / POSTGRESQL

WORK / 03

Monitoring systems

Staltracker

A production-data monitoring and analytics system with event-driven notifications.

NESTJS / REDIS / GRAFANA

02 / COMMERCIAL PRACTICE

Cases

Anonymized projects, personal contributions, and measurable outcomes—without exposing clients or internal data.

CASE / 01

COMMERCIAL / ANONYMIZED

Public website for a government institution

CS TECHNOLOGY

Challenge

Organize development and launch a reliable public information resource on schedule.

Contribution

Designed the Node.js/Express backend and React frontend, implemented news publishing and role-based accounts. Deployed PostgreSQL in Docker, configured Nginx, deployment, code reviews, and GitLab CI.

Outcome

The project passed acceptance testing and launched on schedule.

NODE.JS · EXPRESS · TYPESCRIPT · POSTGRESQL · SEQUELIZE · REACT · DOCKER · NGINX · GITLAB CI

CASE / 02

COMMERCIAL / AUTOMATION

Report generation automation

CS TECHNOLOGY

Challenge

Manual report generation consumed 16 person-hours per month and carried a high risk of errors.

Contribution

Designed the PostgreSQL schema and automated workflows in Node.js/TypeScript. Implemented role-based access across departments and managed the full project cycle.

Outcome

Reduced report generation from two days to ten minutes, eliminated errors, and finished the project 10% ahead of plan.

NODE.JS · TYPESCRIPT · POSTGRESQL · SEQUELIZE · REST API

CASE / 03

COMMERCIAL / DATA

Universal ETL integration core

CS TECHNOLOGY

Challenge

Build a flexible solution for consolidating data from files, databases, and APIs with complex transformation logic.

Contribution

Designed the TypeScript core using OOP and SOLID, built a reusable framework for data sources and a DSL for nested queries, and containerized the services.

Outcome

Reduced new data-source onboarding from 5–7 to 1–2 person-days.

NODE.JS · TYPESCRIPT · POSTGRESQL · DOCKER · OOP · SOLID · DSL

03 / MEASURABLE IMPACT

Impact

01 / REPORTING

2 DAYS
→ 10 MINReport generation after workflow automation.

02 / ACCESS

50+
USERSRole-based access across multiple departments.

03 / DATA SOURCE

5–7 →
1–2 DAYSOnboarding a new data source into the ETL core.

04 / DELIVERY

10% AHEAD
OF PLANThe automation project finished ahead of schedule.

04 / PROFESSIONAL EXPERIENCE

Experience

Full-cycle delivery, from requirements and architecture to launch and maintenance.

04.2023

09.2025

CS TECHNOLOGY / COMMERCIAL

Backend Developer

Built Node.js and TypeScript backend services, React interfaces, integrations, and automation tools. Worked across requirements, architecture, delivery, and maintenance.

  • REST APIs, business logic, and database schemas
  • React interfaces and backend integration
  • Docker, Nginx, GitLab CI, and deployment
  • Planning, code reviews, and documentation

KEY AREAS

Backend systems Process automation Data integrations Delivery & maintenance

05 / TECHNOLOGY PROFILE

Skills

Tools are grouped by their role in real work—not by subjective proficiency percentages.

PRIMARY / 01

Backend

  • TypeScript / JavaScript ES6+
  • Node.js / Express.js
  • PostgreSQL / Sequelize
  • REST API / SQL

PRODUCTION / 02

Delivery

  • React / React Router
  • Docker / Nginx
  • GitLab CI / Git
  • Deployment / Linux

INTEGRATIONS / 03

Data & API

  • Telegram Bot API
  • Yandex Disk / OAuth 2.0
  • Parsers / Scrapers
  • ETL / External APIs

ADDITIONAL / 04

Extended

  • NestJS
  • Kotlin / Java
  • Postman
  • npm / yarn / pnpm

06 / PROFILE

About

I’m Daniil Malinin, a backend developer with full-cycle delivery experience—from gathering requirements and designing architecture to deployment and maintenance.

My core stack is Node.js, TypeScript, and PostgreSQL. I have also worked with React, Docker, Nginx, and external APIs.

Location
Nizhny Novgorod Region / Remote
Education
NNGASU · Software Engineering · 2026
English
B1
Time zone
UTC +3 / Moscow

I value projects where architecture turns into a measurable process improvement.

07 / CONTACT

Have a problem
worth discussing?

Message me on Telegram—my preferred contact channel. For detailed technical information, download the privacy-safe résumé.

Message on Telegram Send an email Download résumé
Telegram@vacrandomsample GitHubVACRandomSample Emailhello@vacrandomsample.ru
StatusAvailable for projects