Іван

Ivan Shvets
Back-end Developer
Ukraine | [открыть контакты](см. выше в блоке «контактная информация») | [открыть контакты](см. выше в блоке «контактная информация»)

PROFILE
Back-end Developer with 3+ years of commercial experience building APIs, admin panels, CRM systems, rental platforms,
SaaS billing services, and microservice-based products. Main stack: Node.js, TypeScript, AdonisJS 5/6, PostgreSQL, Redis,
Docker, BullMQ, Swagger/OpenAPI. Experienced in leading backend development on new products, maintaining existing
systems, designing REST APIs, implementing authentication/authorization, background jobs, geospatial features, payment
flows, notifications, and third-party integrations.

CORE SKILLS
Backend: Node.js, TypeScript, JavaScript, AdonisJS 4/5/6, REST API, Lucid ORM, Edge.js
Databases: PostgreSQL, PostGIS, Redis, MongoDB, Memcached, Knex
Auth & APIs: Adonis Auth, JWT, OAuth, sessions, roles/permissions, Swagger/OpenAPI, VineJS, Bouncer
Async & realtime: BullMQ, KafkaJS, MQTT, Socket.IO, queues, scheduled jobs
Infrastructure: Docker, Docker Compose, Nginx, PM2, Helm, npm workspaces
Quality & tools: Japa tests, ESLint, Prettier, SWC, ts-node, Puppeteer, Cheerio, JSDOM, Axios

WORK EXPERIENCE
RexSoft - Back-end Developer | Aug 2022 - Present
Built and maintained backend services, admin panels, CRM modules, and mobile APIs across real estate, rental, SaaS,
content, and document-signing domains.
Led backend development on several products, including modular AdonisJS systems with role-based access control,
PostgreSQL data models, Swagger documentation, and Docker/PM2 deployment setup.
Supported existing production systems by adding features, fixing defects, extending APIs, improving admin workflows, and
integrating external services.
Worked with payments, notifications, file handling, PDF generation, social login, geospatial data, realtime updates, queues,
and IoT/service integrations.

SELECTED PROJECT EXPERIENCE
Anav - Lead Developer Vevi API / Service API - Backend Developer
Backend/admin panel for real estate operations: sales and Mobile and operational APIs for scooter/device rental:
rental listings, auctions, zones, microzones, managers, registration, rides, reservations, balance, subscriptions, promo
permissions, data parsing, and geospatial features with codes, push notifications, articles, device management,
PostGIS and Google Maps. battery flows, warehouses, and IoT/CRM integration
Stack: AdonisJS 5, TypeScript, PostgreSQL/PostGIS, Lucid ORM, endpoints.
Edge, Auth/Session/Shield/i18n, Docker, PM2, Socket.IO, Stack: AdonisJS 5, TypeScript, PostgreSQL, Redis, BullMQ, Lucid
Puppeteer, Cheerio, JSDOM, React build modules. ORM, Mailgun, OneSignal, AWS SDK, Sharp, Japa.

E-wings - Backend Developer ResiStay - Lead Developer
Electric transport rental platform with user mobile API, Backend API for apartment rental and booking management:
service/operator API, and CRM admin panel for fleet apartments, bookings, leads, discounts, companies, users,
operations, rides, users, payments, areas, batteries, promo roles/permissions, SMS flow, authentication, password
codes, alerts, content, notifications, and realtime service recovery, and API documentation.
workflows. Stack: AdonisJS 5, TypeScript, PostgreSQL, Lucid ORM, Adonis
Stack: AdonisJS 5, TypeScript, PostgreSQL, BullMQ, Socket.IO, Auth/Bouncer, Swagger docs, Japa tests, SMTP/Mail.
AWS SDK, Mailgun, OneSignal, Adonis Views, React build modules,
Gulp, Browserify.
NDA / E-gree - Backend Developer Closeur - Lead Developer
API and admin platform for NDA/document workflows: users, Microservice-style backend for a social/CRM platform:
document templates, digital signing, attachments, payments, authentication, users, follows/blocks, posts, tags, media, likes,
promo codes, analytics, feedback, social auth, PDF comments, 2FA email flow, threads, messages, files, direct
generation, email/push/SMS notifications, and admin communication, and CRM/admin management.
modules. Stack: AdonisJS 5/6, TypeScript, PostgreSQL, Redis, Lucid ORM,
Stack: AdonisJS 4.1, Node.js, PostgreSQL, Lucid ORM, Edge VineJS, Adonis Auth, REST API, Japa tests, Socket.IO for CRM
Templates, Swagger UI, Docker Compose, PM2, Puppeteer, AWS modules.
SDK, React 17 build modules.

Yora - Lead Developer Corp / Impact Factors - Backend Developer
Content and user management platform with API backend and Corporate SaaS billing backend for organizations, plans,
admin application: users, authentication, social login, services, add-ons, subscriptions, invoices, usage tracking,
email/OTP verification, posts, chapters, comments, likes, Stripe payments, payment methods, brand/geo data,
subscriptions, payments, notifications, permissions, and public/internal APIs, scheduler commands, invoice PDFs, and
Swagger documentation. Swagger docs.
Stack: AdonisJS 6, TypeScript, PostgreSQL, Lucid ORM, Adonis Stack: AdonisJS 6, TypeScript, PostgreSQL, Redis, Lucid ORM,
Auth, VineJS, adonis-autoswagger, React 19, Vite, Tailwind CSS, Stripe, SendGrid, KafkaJS, Puppeteer, Swagger, Docker, Helm,
Radix UI, Docker, npm workspaces. Japa.

Corp API Client - Backend Developer
Client-management and CRM-style API for accounts, users,
units, members, tags, funnels, funnel levels, funnel progress,
custom fields, custom field options/values, authentication, and
API documentation.
Stack: AdonisJS 6, TypeScript, PostgreSQL, Lucid ORM, Adonis
Auth, VineJS, Axios, Swagger/autoswagger, Docker, PM2, Japa.

EDUCATION
Khmelnytskyi Polytechnic College Khmelnytskyi National University
Software Engineering Radio Engineering and Telecommunications

LANGUAGES
Ukrainian - Native | English - Elementary