Developing a payment platform for international corporate clients. I am actively involved in all phases of development, from requirement analysis to architectural design of individual modules and coding. Achievements: - Successfully integrated with four payment providers;- Set up a system of logging and monitoring using Grafana, Loki, and Prometheus;- Integrated with Sumsub for automated verification;- Implemented a backup system;- Integrated GitHub Actions for CI/CD and AWS;- Optimized the processing of multiple payments using multithreading;- Developed a microservice to read receipt reports;- Implemented report generation using Mustache templates;- Identified and resolved transaction-related errors, increasing overall systemreliability;- Designed a database schema for a new project;- Solved key backend challenges including security, pagination, file handling,transaction management, migrations, and other aspects;- Successfully handled a complex migration error in production;- Self-implemented personal account client on Next js with the solution of classictasks for the frontend such as authorization, auntatifitsatsatsiya, refresh,pagination, uploading documents, etc.Professional Growth: Within a year, I progressed from a junior frontend developer to a mid-level full-stack developer. For the last two years, I have been a key developer in the company, gaining valuable experience in process organization and leadership. My responsibilities included application development, active collaboration with the team and other departments, working with developers from partner companies, and exploring the business domain.