Aibek Izhanov

Freelancer at Kantox LTD, specializing in maintaining and enhancing existing applications by implementing new features and ensuring seamless functionality:

• Analyzed proposed technical solutions based on customer requirements.
• Developed robust, scalable, modular and API-centric infrastructures.
• Developed reusable components that significantly reduced development effort on multiple projects.
• Coordinated with other engineers to evaluate and improve software and hardware interfaces.

Local start-up in car rental domain with ambition to become huge b2c platform and maybe c2c.

• Designed the whole software architecture;
• Provided software integration;
• Performed DevOps tasks, such as server maintenance, application deployment, server configuration, proxy-server setup, and backups;
• Built front-end with Stimulus/Turbo, HTML, SCSS, Bootstrap;
• Developed new features and components;
• Provided integrations with the external services (SMS Center, Telegram);
• Wrote unit tests;
• Worked in an Agile environment and led the team;
• Provided full test coverage;
• Conducted interviews;

Technologies and tools

Ruby 3.2.2, Rails 7.1.2, dry-monads, dry-validation, Stimulus, Turbo, Redis, Sidekiq, Typesense (lightweight and fast alternative for Elasticsearch), Devise, Bootstrap 5.2, ViteJS, Pagy.

• Application in the microfinance sector – loans for car purchases, loans secured by cars, phone loans, payday loans.
• Implemented functionality for flexible loan deferment (changing payment schedules, loan calculation considering deferment, etc.).
• Integrated with Bondster (investment platform), including loan import, payment import, and monitoring platform statuses.
• Proposed refactoring of existing API (domain-driven separation, restructuring for better organization).
• Bug fixing.
• Wrote front-end with jQuery, HTML, CSS and internal framework called Releaf (legacy from Latvia);
• Fixed bug in the email sending process in the Redash application (written in Python) and deployed to the server;
• Demonstrated achievements include successfully advocating for the use of dry-monads. Additionally, conducted interviews for the position of a Ruby developer in recent months (for another project called qanat.kz);
• Technologies and tools
• Ruby 2.7.1, Rails 5.0, Sidekiq, Redis, MySQL, RSpec, Capybara, jQuery, HTML/CSS, Grape, dry-monads, Releaf, devise, Build Kite, GitLab, Capistrano

A small team of Ruby enthusiasts, working in the field of microfinance and courier services.

• Implemented the operation of withdrawing money from the "merchant" card to the client's card (used SOAP envelope for acquiring service);
• Implemented a dashboard for agents (employees issuing cash loans) of a microfinance organization;
• Implemented dynamic calculation of the loan amount through Stimulus/Turbo;
• Integrated with the Telegram Bot API (sending messages, media, forwarding messages, etc.);
• Integrated with QIWI Wallet (R.I.P);
• Extended of queries in GraphQL (query/mutation);
• Performed DevOps tasks, such as server maintenance, application deployment, server configuration, proxy-server setup, and backups;
• Wrote front-end with VanillaJS, Bulma CSS

Technologies and tools

• Ruby Ruby on Rails, dry-rb, Sidekiq, ActionCable, JavaScript, Stimulus, Redis,

PostgreSQL, GitHub Actions, Capistrano, Nginx, Passenger, Webpack, GraphQL,

Telegram API, Digital Ocean, RSpec, Bulma

A wide range of services in the field of construction of thermal power plants, installation, reconstruction, and repair of thermal energy equipment of any complexity.

• Supervision of work execution
• Reading technical drawings
• Safety equipment control
• Provision of materials and tools