Dmytro – Typescript, Node.js, React

It is a platform for online merchants to be able to fight for chargebacks, issued by end-users. The platform provided integration with the store itself, payment service providers, and other analytical tools. Backed by ML, it analyzed given data points and generated evidence documents that later were used in communication with the issuer's bank to prove that the chargeback wasn't legitimate

• Was a part of the architecture team, responsible for designing, implementing, and migrating the next major version of the app codebase, along with the data migration;
• Re-built the CSV processing service, which had been inefficient in terms of both memory consumption and execution time.

It is AI-powered DataRig digitizes organizational knowledge, automates business problems, and delivers digital transformation.

Simply put, it allows clients to provide documents and create templates with "hints" of what they should be looking for. A typical example would be a contract that changes over time, and it's easy for a person to overlook what exactly has changed.

• Took responsibility for delivering 4 new services;
• Led a team of developers;
• Designed and implemented a formula parser (EXCEL-like).

It is a big ERP, mostly (but not limited) for the construction domain.

• Worked mostly on two big modules - on-site issue management and the expenses tracker;
• Led an international team;
• Designed from scratch a new big feature for tracking mileage expenses.

A company that provided custom features for a big ERP platform. Basically, whenever a customer needed some feature/behavior that couldn't be achieved using out-of-the-box tools, we implemented it using its API.

The biggest accomplishment there was implementing a mechanism for syncing several time-tracking apps (like JIRA) with the possibility to add new ones in the future without obstacles.