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Work experience

Backend developer

from 04.2019 to 12.2025 (6 years 9 months)
Xebia, Other countries (IT)

- Designed, developed, and maintained scalable backend services and RESTful APIs using PHP (Laravel, Symfony), C/C++, Python, Django, C#, .NET/ASP.NET, Node.js (Express.js), and TypeScript (Nest.js), serving 10,000+ users and handling 500k+ daily requests.
- Architected and optimized SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases, improving data retrieval performance by 30%.
- Led a team of 8 developers, implementing agile practices that increased project delivery efficiency by 30%.
- Optimized critical backend workflows through profiling, testing, and refactoring, boosting API response speed by 20%.
- Implemented CI/CD pipelines with Docker and Jenkins, reducing deployment time by 40% and ensuring 99.9% uptime.
- Developed chatbot-integrated services for customer support, reducing manual workload by 40%, integrating Telegram, WhatsApp, and Messenger APIs.
- Built and optimized RESTful and GraphQL APIs for real-time interactions and third-party integrations.
- Implemented AI-driven automation workflows (ChatGPT & custom NLP models), improving response accuracy and reducing query handling time by 35%.
- Applied SOLID and Clean Architecture principles to improve maintainability and scalability.
- Collaborated on cloud-based deployments and AWS preparation for backend services.

Backend developer

from 10.2017 to 03.2019 (1 year 6 months)
Altran, Other countries (IT)

- Led backend development for enterprise web applications using PHP (Symfony, Laravel) and Node.js, supporting 50k+ daily active users.
- Designed and implemented RESTful APIs and reporting modules for web and mobile clients.
- Managed SQL and NoSQL databases for high availability and 99.5% uptime.
- Contributed to frontend development with React.js, ensuring seamless integration.
- Introduced unit and integration testing, reducing production incidents by 25%.
- Optimized backend performance via refactoring, reducing latency by 15–20%.
- Oversaw Docker containerization and CI/CD workflows, reducing deployment errors by 30%.
- Developed asynchronous tasks and background jobs, cutting batch processing time by 50%.
- Integrated multiple third-party APIs (payment, messaging, analytics) for real-time data exchange.
- Designed event-driven solutions supporting high-load operations and system scalability.
- Participated in architecture discussions, contributing to performance improvements of 10–15%.
- Assisted in implementing authentication methods and security measures, preparing for enterprise Java/Spring environments.

Education

National University of Singapore

Computer Science, Other countries
Higher, from 2012 to 2016 (4 years)

Education
Bachelor's Degree in Computer Science

Knowledge and skills

• Node.js
• Git
• JavaScript
• TypeScript
• SASS
• SQL
• Python
• Laravel
• PHP
• MongoDB
• Docker
• REST
• Redis
• Symfony
• RabbitMQ
• REST API
• Java
• C/C++
• Ability to work in multitasking mode
• Ability to analyze
• GraphQL
• Apollo
• SOLID Principles
• Code optimization
• Creation of chat bots
• Responsibility
• Punctuality
• Figma
• Electronic Workbench
• SIP
• Scrum
• Spring Boot
• Jenkins
• AWS
• NoSQL
• WebSocket
• CI/CD
• React
• React Redux
• React Router
• React Hooks
• React Native
• Next.js
• OpenAI
• C#
• NestJS
• TypeORM

Language proficiencies

English — advanced