Kova Jumaev

Backend Developer

jumaevkovad@gmail.com

Dushanbe, Tajikistan

Summary

Backend Engineer with ~5 years of experience in building and optimizing high-load applications serving over 10,000 daily users. Experienced in developing scalable backend services and leading teams in agile environments. Expertise in microservices architecture, database optimization, and real-time systems. Proactively improve codebase and mentor junior developers, while balancing innovation with business goals.

Projects

alif.mobi

business.alif.tj

Admin panel for business.alif.tj

PRM (Partner relationship management)

Fixed Asset Accounting System

Delivery Service:

  • Admin Panel
  • Customer Service
  • Partner Service
  • Courier Service
Experience

Backend Developer

Alif Capital Holdings Limited

2021 — Present

  • Led a team of 5 backend engineers to develop and maintain 3 major projects: business.alif.tj, PRM, and Fixed Asset Accounting System, increasing system reliability by 25%.
  • Optimized database queries, reducing response times by 30% through indexing, query optimization, and database sharding.
  • Implemented a distributed caching system using Redis, improving data retrieval performance by 35%. Managed high-volume asynchronous tasks with RabbitMQ, processing over 15,000 messages daily.
  • Developed a custom admin panel with Laravel Nova, enhancing backend operations efficiency for 5+ teams.
  • Improved system observability by implementing Jaeger for distributed tracing, reducing issue resolution time by 20%.
  • Enhanced system security, protecting sensitive data for over 10,000 users with OAuth and JWT-based authentication.
  • Played a key role in migrating legacy systems to microservices architecture, resulting in 50% faster deployment cycles.
  • Created Docker images for backend services, including building, testing, and optimizing them for performance.
  • Managed Docker containers using Docker Compose to orchestrate multiple services and their dependencies.
  • Used WebSockets to enable real-time updates in web applications. Managed WebSocket connections and handled message routing and broadcasting.
  • Automated CI/CD pipelines with GitHub Actions, reducing manual deployment efforts by 70%.
  • Mentored 2 junior developers, helping them progress to mid-level positions within the company.
Skills
Programming languages: Golang
Frameworks
Libraries: Gin
Echo
GORM
Laravel Nova
Databases: PostgreSQL
Redis
Tools: Git
Docker
Docker Compose
Github Action
Goland
VS Code
Other: RabbitMQ
Microservices
RESTful APIs
WebSockets
Development Processes: Agile
Scrum
Notion
Linear
Education

Bachelor's degree

Tajik Technical University

2022

Advanced Golang Course

Alif Academy

2021

Languages

English – Intermediate

Russian – Upper Intermediate