Працював в 1 компанії   2 роки 10 місяців

IT

Full stack developer

Travelated

IT

2 роки 10 місяців

08.2023 - до теперішнього часу

I worked at a travel agency that allowed users to book a room at one of the millions of hotels listed on the website.
Main Responsibilities

  • Designing and documenting features (Confluence)
  • Coordinating decisions with the PM and Team Lead
  • Implementing tasks in weekly sprints with regular releases to production
  • Maintaining, expanding, and optimizing functionality

Key Achievements

  • Integrated over 10 third-party providers (REST, gRPC, GraphQL) to retrieve data on hotels, rooms, and rates
  • Implemented a hotel and room mapping algorithm, which increased the number of bookings by ~50%
  • Developed an algorithm for selecting optimal rates, reducing the users decision-making time by ~20%
  • Implemented fallback logic for invalid rates, reducing the number of failed bookings by ~40%
  • Integrated the Adyen payment system (Capture, Cancel, Refund, Update) and implemented webhook processing
  • Worked with Stripe and 3DS to improve payment stability and fraud protection
  • Developed an authorization microservice and integrated login via Google and Apple
  • Implemented the generation of hotel descriptions and tags via the ChatGPT API
  • Built a localization system for 15+ languages, including RTL
  • Created a tool for automatic localization generation (resx) using AI + DeepL
  • Implemented a system for logging reservations and payments, which helped identify 3 critical bugs
  • Developed a mechanism for advertising on partner sites (links and iframes)
  • Developed and implemented an Elasticsearch-based search engine with a response time of ~100 ms, improving userexperience and the relevance of search results

Additionally

  • Fixed critical bugs in payment workflows
  • Helped onboard new developers
  • Discussed and proposed technical solutions in collaboration with the PM

Ключова інформація

  • .NET
  • ASP.NET
  • Entity Framework
  • SQL
  • PostgreSQL
  • MS SQL
  • Microservices
  • RabbitMQ
  • Redis
  • Sentry
  • Docker
  • NUnit
  • Moq
  • React
  • React.JS
  • i18next
  • Redux
  • MediatR
  • SignalR
  • REST
  • GraphQL
  • gRPC
  • C#/.NET
  • Typescript
  • JavaScript
  • HTML/CSS
  • Git
  • SQL
  • .NET
  • MS SQL
  • ASP.NET
  • C#/.NET
  • Docker
  • Git
  • Windows
  • Linux
  • PostgreSQL
  • Навчався в 1 закладі

    Chernivtsi national university ukraine

    Computer science

    2024

    Володіє мовами

    Англійська

    вище середнього

    Українська

    рідна

    Додаткова інформація

    Summary

    Backend Developer with experience in developing high-traffic systems and integrating third-party services. Primary focus:.NET, microservices, and performance optimization.

    Serhii

    .NET Developer

    Чернівці

    23 роки

    Активно шукає роботу

    повна зайнятість

    Характер роботи: віддалена робота

    Остання активність 4 дні тому