Dmytro – React, Node.js, Typescript

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

• created backend architecture
• created implementation road map
• implemented main features

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.

• 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

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.).

Dmytro implemented all technical parts of the product.

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).

• 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.

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

• built new features and supported existing ones
• performed migration from JavaScript to TypeScript