Andrii Haluza

Developed new features and fixed bugs in the existing codebase for both backend and frontend Refactored legacy code to improve performance and maintainability Contributed to the creation and maintenance of technical documentation Implemented and integrated from scratch Bastion service for authentication to the internal network powered by Supertokens Contributed to CI/CD to simplify work processes for deployment Integrated third-party services: Supertokens, Lansweeper, Sentry, etc.

Fully rewritten the backend after MVP stage Implemented matching algorithm for users Improved application performance by addressing code and database bottlenecks Utilized caching mechanisms Deployed and maintained the application on AWS, ensuring high availability and scalability Integrated payment services for Stipe, Google/Apple PlayMarket purchases and subscriptions Integrated: Google (Pub/Sub, Places, Analytics) APIs, Veriff, Sendgrid, Mailchimp, Firebase

Implemented new features and fixed bugs in the existing codebase for both backend and frontend Utilized and customized Strapi as a core for some service, developed custom plugins Implemented from scratch service for synchronization data between SQL database and Google Spreadsheets and Drive in both direction utilizing customizable schemas and spreadsheet which triggers create/update/delete actions in the system Integrated third party services: Stripe, Sentry, Auth0

Fully rewritten the backend after MVP stage Implemented matching algorithm for users Improved application performance by addressing code and database bottlenecks Utilized caching mechanisms Deployed and maintained the application on AWS, ensuring high availability and scalability Integrated payment services for Stipe, Google/Apple PlayMarket purchases and subscriptions Integrated: Google (Pub/Sub, Places, Analytics) APIs, Veriff, Sendgrid, Mailchimp, Firebase

Implemented new features and fixed bugs in the existing codebase for both backend and frontend Utilized and customized Strapi as a core for some service, developed custom plugins Implemented from scratch service for synchronization data between SQL database and Google Spreadsheets and Drive in both direction utilizing customizable schemas and spreadsheet which triggers create/update/delete actions in the system Integrated third party services: Stripe, Sentry, Auth0

Fully rewritten the backend after MVP stage Implemented matching algorithm for users Improved application performance by addressing code and database bottlenecks Utilized caching mechanisms Deployed and maintained the application on AWS, ensuring high availability and scalability Integrated payment services for Stipe, Google/Apple PlayMarket purchases and subscriptions Integrated: Google (Pub/Sub, Places, Analytics) APIs, Veriff, Sendgrid, Mailchimp, Firebase

Developed web applications for outsource clients and internal products. On a last few years I was responsible for developing internal products. Last year I was responsible for leading a team of 4-5 junior developers. Providing guidance, support, and knowledge sharing to help team members develop their skills and meet project goals, ensuring the quality and consistency of the codebase by reviewing and providing feedback on team members' code contributions.