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Serghei Leu

is looking for freelance projects. 🔎

Bis 2024, Senior Backend Engineer, KFC

Fähigkeiten und Kenntnisse

Software
PHP
JavaScript
Software Development
SQL
Docker
MySQL
Leadership
Node.js
IT Application Management
redis
Redis
Rest
REST
Apache Kafka
Java
Spring Framework
Spring Boot
AWS
queue
Message Queueing
TypeScript
Microservices
Linux
Information technology
React
Angular
Git
jQuery
API
Vue.js
Scrum
Web
Technology
Laravel
Backend
Maintenance
Database
PostgreSQL
Full-stack development
Agile Development

Werdegang

Berufserfahrung von Serghei Leu

  • 7 Monate, Dez. 2023 - Juni 2024

    Senior Backend Engineer

    KFC

    The client, a leading global fast food chain, faced high maintenance costs and slow growth due to a decentralized third-party system. • Enhanced scalability by 90% and reduced monthly costs 10x. • Achieved 50% faster global expansion.

  • 1 Jahr, Dez. 2022 - Nov. 2023

    Senior NodeJs Developer

    Waive Corporate Compilance

    The client, the largest online platform in Australia dedicated to streamlining corporate compliance, was struggling with issues like low customer satisfaction, prolonged loading times, and the exorbitant cost of adding new features. • Boosted customer satisfaction 5x and reduced loading times by 60%. • Decreased the cost of implementing new features by 40%. • Increased the platform's value 4x.

  • 4 Monate, Aug. 2022 - Nov. 2022

    Senior Backend Developer

    Leadchat

  • 6 Monate, Feb. 2022 - Juli 2022

    Senior Backend Developer

    GEDISA mbH
  • 2 Jahre und 9 Monate, Mai 2019 - 2022

    Senior Backend Developer

    Get Heli

  • 6 Monate, Dez. 2018 - Mai 2019

    Senior Backend Developer

    Helipaddy

    The client, the world's largest database of off-airfield helicopter landing sites, was facing low customer satisfaction, significant security vulnerabilities, and low profits due to outdated systems. • Eliminated security vulnerabilities. • Increased new subscribers by 2x and boosted customer satisfaction by 3x. • Decreased costs by 80% and waiting times by 30%.

  • 5 Monate, Juli 2018 - Nov. 2018

    PHP Developer

    LiftN'Go

Ausbildung von Serghei Leu

  • 2016 - 2021

    Computer Science

    Free International University of Moldova

Sprachen

  • Englisch

    Fließend

  • Rumänisch

    Muttersprache

  • Russisch

    Fließend

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