Frontend
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JavaScript
Advanced
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HTML
Intermediate
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CSS
Intermediate
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React
Intermediate
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Bootstrap
Intermediate
Backend
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Node.js
Advanced
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Express.js
Advanced
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NestJS
Intermediate
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Fastify
Intermediate
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Python / Flask
Beginner
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RESTful API
Advanced
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GraphQL
Beginner
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RabbitMQ
Intermediate
Database
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MongoDB
Advanced
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MySQL
Advanced
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PostgreSQL
Advanced
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Elasticsearch
Intermediate
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Redis
Advanced
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MariaDB
Intermediate
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SQL Server
Beginner
Others
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Docker
Intermediate
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Git
Advanced
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Linux
Beginner
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Swagger / OpenAPI
Intermediate
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Puppeteer
Intermediate
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Jest
Intermediate
Backend Developer
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Backend work on a cryptocurrency exchange platform, with a
strong focus on refactoring and hardening financial flows
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Contributed to redesign and cleanup of market-related modules
alongside the team
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Ongoing role improving reliability, clarity, and maintainability
of core services
Backend Developer
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Startup product in entertainment and education, in the spirit
of gamified learning (similar in spirit to Duolingo-style UX)
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Four-month engagement shipping features for an early-stage
learning and engagement platform
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Built and iterated on backend APIs and integrations supporting
the product roadmap
Backend Developer
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Designed and developed RESTful APIs with Node.js, Express.js,
and NestJS
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Built relational (MySQL) and non-relational (MongoDB)
databases
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Used Sequelize, Prisma (ORM) and Mongoose (ODM) to manage data
models
- Implemented WebSockets and video streaming with FFmpeg
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Delivered scalable solutions for a high-volume video sharing
platform
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Diagnosed and resolved production issues to maximize uptime and
performance
Backend Developer · DevOps
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Built RESTful APIs with Node.js, Express and Python/Flask
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Developed relational (PostgreSQL) and non-relational (MongoDB)
databases
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Used ORM technologies (Sequelize, Mongoose) to manage data
models
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Implemented WebSockets, RabbitMQ for real-time functionality
and queueing
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Leveraged JavaScript and Python frameworks to deliver robust,
scalable solutions
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Worked with cross-functional teams on aggressive release
schedules
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Participated in DevOps tasks, including CI/CD pipeline setup
Backend Developer
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Implemented and refactored WebSockets for real-time web
functionality with Node.js and Express
- Developed databases with MongoDB
- Used AWS S3 for file storage and uploads
Backend Developer
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Designed and built RESTful APIs with Node.js and Express
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Developed databases with PostgreSQL and Sequelize ORM
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Implemented WebSockets for real-time web functionality