Andrii – React, Express.js, Python

Voice calls via LLM leveraging Twilio API and AWS services.

• Guided process of migrating from no-code platform to AWS infrastructure;
• Optimized call handling performance by implementing scalable serverless architectures on AWS;
• Implemented monitoring and observability pipelines.

An established IT company from Israel whose main product is associated with AI auditing.

• Developed the front-end of an AI-driven audit and data analysis application from scratch;
• Contributed to back-end development.

A fintech startup - stock exchange analysis.

• Refactored existing frontend from the previous version of React (with classes) to Typescript with functional components;
• Built front-end components library using storybook;
• Debugged and resolved the application issues;
• Created backend endpoints to retrieve data from PostgreSQL tables;
• Integrated third-party auth system;
• Wrote unit tests.

A web dashboard to check, subscribe, and share movies.

• Developed a web dashboard from scratch using a provided design;
• Built front-end components library;
• Debugged and resolved the application issues;
• Wrote unit, integration, and e2e tests.

Application to edit PDF files online.

• Developed features to support different items inside PDF: from parsing PDF code to creating HTML elements on UI.

The reporting tools for bank onboarding applications.

• Migrated back-end services from Pl/SQL code on Oracle according to microservices architecture using Angular 2 and Java/Spring;
• Developed the database views for reporting purposes;
• Created reports based on data views using Cognos Report Studio;
• Created reports based on data views using Spotfire Analyst;
• Customized Spotfire reports using JavaScript and Python scripts;
• Developed the monitoring tools using Cognos SDK and Java;
• Developed the visualization tools using Spotfire SDK and C#.