The scope of work included the development of product functionality and transactions between buyer and seller in the marketplace. As part of the tasks were implemented:- Development of api for Balance and banking transactions between users;- Development of full-text search of account transactions in PostgreSQL;- Development of functionality for 8 different product variations using GraphQL;- Developing order statuses for buyer and seller after payment via websocket;- Introduced a culture of unit testing;- Introduced a culture of writing documentation;- Legacy refactoring, partitioning into service objects and interactors;During my time at the company, I learned new approaches to developing backend applications, WebSocket and GraphQL technologies, as well as studied Large Scale Scrum (LeSS) methodology.

A startup gamdev studio creating games from KickStarter fundraisers. The scope of work included developing the functionality of various stylistic websites for games from the studio. The tasks included:- Website development (MVP) on Ruby On Rails + React stack;- Development of internal API (Using serializers, service objects, Grape);- Integration of third-party payment service (Stripe);- Layout and creation of components according to layouts, negotiations with the customer;- CI/CD and docker configuration for continuous application rollout;- Writing unit tests;While working in the team, I learned what fullstack development is, developed the skill of adapting to other projects, their constant change, as well as gained experience working abroad.

A network of quests throughout Russia. The scope of work included the development of the main website. As part of the tasks was carried out: - Development of rating system, which allowed the business to save time and money on analytics, to perform selection of the most profitable services for business and in time to refuse not profitable products;- Development of user authorization;- Development of booking system (time, tariffs and cost calculation based on data);- Writing unit tests (Minitest);- Bug fixing;- Integration into the Docker project;While working in the team, I learned what commercial development is, gained experience in developing under time and resource constraints, adapting to changing requirements and project priorities.