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Dmytro – React, Node.js, Typescript, experts in Lemon.io

Dmytro

From Ukraine (GMT+3)

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Full-stack Web DeveloperSenior
Tech lead
Hire developer
8 years of commercial experience
Cloud computing
Cybersecurity
Fintech
Marketing
Sales
Chatbots
Platforms
SaaS
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Dmytro – React, Node.js, Typescript

Dmytro is a senior Full-Stack Developer proficient in Node.js and React.js, including Next.js. He has extensive experience developing projects from scratch and creating his own products. Dmytro can easily find solutions to technical challenges and lead other developers in achieving the best results.

Main technologies
React
5 years
Node.js
5 years
Typescript
6 years
Next.js
5 years
JavaScript
6 years
Additional skills
PostgreSQL
ElasticSearch
Redis
MongoDB
AWS
GraphQL
Cloudflare
Python
Kafka
Puppeteer.js
Heroku
REST API
Tailwind CSS
Pupeteer
Docker
Prisma
Ready to start
To be verified
Direct hire
Potentially possible

Experience Highlights

Software Engineer
Jan 2022 - Mar 20231 year 2 months
Project Overview

The biggest cloud security PaaS. It's valuation is more than $1.4 billion.

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Responsibilities:
  • created backend architecture
  • created implementation road map
  • implemented main features
Project Tech stack:
Node.js
Kafka
ElasticSearch
PostgreSQL
Redis
Python
Senior Full Stack Engineer
Aug 2020 - Dec 20211 year 4 months
Project Overview

The product is a SaaS security posture system that helps to quickly build strong CSP and Security Headers, monitor, and protect web assets from threats. Users can get Slack / SEIM alerts for XSS, Clickjacking, & Magecart, with robust threat detection. It's a plug-and-play solution where the user is able to set up his deployment in minutes by manually setting simple HTTP headers (generated by the system) or using pre-built integrations. It's made for anyone who takes care of his web assets security, wants to be CSP Compliant, or gets CSP and Security Headers with audit-ready evidence for enterprise audits. It processes billions of events per hour, analyzes them in real-time and suggests security enhancements for users.

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Responsibilities:
  • built the architecture, implemented, tested, and supported the codebase for the mission-critical services such as Authorization, User Team management, Analytics (both for users and admins), Threats Detection, Alerts, User Management for admins, Evidence Tracking
  • was in charge of code reviews and creating guidelines for code consistency, readability, maintainability, and testability for other services
  • provided support and mentorship for junior and middle-level developers
  • participated in planning the further development of the product and drawing up a plan for the implementation of its components, as well as in the selection of technologies and third-party suppliers of ready-made solutions for high-quality and timely achievement of the company's goals
Project Tech stack:
Next.js
React
Node.js
ElasticSearch
PostgreSQL
Redis
AWS
Cloudflare
GraphQL
Typescript
Co-Founder and CTO of the company
Mar 2016 - Oct 20215 years 7 months
Project Overview

It's Ukrainian service of filling out tax returns and tax "cash back" for individuals. It helps any Ukrainian citizen to fill out the tax forms without any knowledge of the laws for the following purposes:

  • Mandatory declaration of income for groups of persons defined in tax legislation
  • Receiving a refund of part of taxes for citizens who made socially useful expenses (paid tuition fees, insured life, made retirement savings, did IVF or adopted children, etc.).
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Responsibilities:

Dmytro implemented all technical parts of the product.

Project Tech stack:
Next.js
React
Node.js
Typescript
MongoDB
PostgreSQL
Redis
Heroku
Pupeteer
REST API
Tech Lead of the project
Jun 2019 - Oct 20212 years 4 months
Project Overview

Real-time crowdsourcing raw materials price intelligence platform.

It helps users to negotiate their purchases with confidence, get a deep dive into the data, with granularity and precision unlike any other in the industry. It is built for raw material buyers and suppliers to find the best opportunity to buy/sell their goods all around the world.

The main features are:

  • Collection of the real-time data from purchasing managers around the world in a crowdsourcing manner
  • Historical and future price intelligence reports with a custom granularity for each product
  • Price opportunities suggestions all over the world with the ability to find the best country to buy/ship goods
  • Tracking the activity of the sales/procurement team to obtain real-time price data for the top management of the enterprise
  • Real-time configurable price alerts (based on the client settings).
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Responsibilities:
  • built the app architecture
  • implemented core services, around 70% of the app codebase was gently crafted, tested, and deployed by Dmytro
  • negotiated product development strategy (the technology part) with the founder, determined priorities for developing new features and improving existing ones
  • selected tech stack and third-party services for the technical implementation of the product
  • provided support and mentorship for all developers
  • configured CI/CD workflows, monitored and supported the project assets on AWS and other providers.
Project Tech stack:
Next.js
React
Node.js
MongoDB
ElasticSearch
Redis
Typescript
Puppeteer.js
GraphQL
AWS
Senior Full Stack Engineer
Jun 2019 - Sep 20201 year 3 months
Project Overview

The Most Powerful Chat Engagement Platform for Online Brands & Businesses.

It enables any network and marketplace to connect brands with audiences at scale. It creates invaluable chat experiences which increase sales, engagement, retention, and virality.

Main features:

  • helps create the most engaging and meaningful experiences between brands and users
  • AI and innovative engagement features such as sequences, broadcasts, polls, quizzes, and many more
  • powerful bot editor
  • state-of-the-art analytics
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Responsibilities:
  • built new features and supported existing ones
  • performed migration from JavaScript to TypeScript
Project Tech stack:
JavaScript
Typescript

Education

2008
Accounting and audit
Master's

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