Pavel T.

Stack: 

• JavaScript,
• Node,
• React
• Redux
• MongoDB,
• Redis,
• Postgres.

Responsibilities:

• Responsibility of my team is to develop a reliable high-performance backend to provide an extensible and secure public interface for e-commerce website and mobile apps.
• In addition I implemented lots of features and improvements in the website frontend (react/redux). Besides I had to manage my team: plan the team size, interviewing and onboarding new developers, assigning and controlling tasks, reviewing architecture solutions and using technologies, etc.

Stack: 

• JavaScript,
• Node,
• React,
• Redux,
• PostgreSQL/REST.

Responsibilities:

• Bot for viber/telegram/facebook. I modified an existing project, implemented some features like gif-search, and optimized performance: users count increased from 200K to 7M;
•  Bots constructor for telegram/facebook/vkontakte. I modified an existing project, implemented a whitelabel-model (users could sell bots to their clients and share bots management), added vkontakte messenger.

Stack: 

• JavaScript,
• Node
• Angular,
• PostgreSQL,
• MongoDB,
• Redis.

Responsibilities:

• I joined company as the main developer (it had one more junior frontend developer). I introduced development processes (git, CI, testing, linting, code reviews), introduced SCRUM to the development process;
• Implemented backend on Node.js (instead of PHP:Bitrix) with PostgreSQL+MongoDB+Redis, implemented unit- and e2e-auto-testing, implemented self-documented CRUD API with auto-checking params, implemented reliable, convenient and extensible data management lib for frontend (with Angular.js).

Stack: 

• JavaScript,
• Node
• Angular,
• MongoDB,
• Bootstrap

Responsibilities:

• Implemented business requirements on the server side(Node.js+MongoDB) of the high loaded distributed content delivery network;
• Improving the UI and implemented new features on the client side of external and internal company websites (Angular+Bootstrap). I wrote unit and selenium-tests, Linux utilities for automatization of daily programmers’ and administrators’ routines.

 Stack: 

• Java,
• Delphi.

Responsibilities:

• Implemented the business requirements in the code and refactored the huge program code. I researched the bottlenecks of application performance and cut them for optimizing the system and for getting the speed growth of payment operations;
• Introduced the continuous integration system TeamCity/Ant/Java to the development process in our team. I have modified the code for migration from Delphi 5 to XE3.