Laziz Abdullaev
Verified Expert in Engineering
Back-end Developer
Singapore, Singapore
Toptal member since March 31, 2022
Laziz is a software engineer and back-end developer with experience in software development using JavaScript, TypeScript, and Node.js. He can quickly adapt to new technologies and use other programming languages to solve complex problems. With his skills and knowledge, Laziz is a great contributor to every team.
Portfolio
Experience
- JavaScript - 4 years
- TypeScript - 3 years
- Node.js - 3 years
- MongoDB - 3 years
- Express.js - 3 years
- Mongoose - 3 years
- Unit Testing - 2 years
- MySQL - 1 year
Work Experience
Software Engineer
DSR
- Introduced new CI/CD flows in the pipeline that improves process monitoring.
- Tracked and fixed bugs both on the back-end and front-end side using Jira and Slack as reporting tools.
- Wrote the unit tests and increased the test coverage fivefold.
- Refactored the existing codes by introducing space and time performance optimizations and modern language features.
Software Engineer
Nolbir
- Implemented a single sign-on (SSO) feature for multiple company products using Keycloak.
- Wrote the unit tests with more than 80% of coverage.
- Implemented a global search using Elasticsearch, enabling a flexible full-text search experience for users.
- Contributed to the main parts of data modeling for an eCommerce project.
Software Engineer
Freelancer
- Developed Telegram chatbots that automated client business operations and enhanced work and time efficiency by 20%.
- Communicated with the clients for requirements gathering and clarification purposes.
- Applied software engineering best practices, principles, and design patterns to make the project maintainable.
Project History
Verity Flow
I built and deployed self-sovereign identity solutions and implemented digital credentials in production.
Education
Bachelor's Degree in Mathematics
National University of Uzbekistan - Tashkent, Uzbekistan
Skills
Libraries/APIs
Node.js, React, Passport.js, Telegram Bot API, Socket.IO
Tools
NPM, Mongoose, Keycloak, GitHub, Slack, Shell, GitLab
Languages
JavaScript, TypeScript, SQL, GraphQL, C++
Paradigms
Functional Analysis, Unit Testing, Microservices
Platforms
Visual Studio Code (VS Code), Docker, Windows, MacOS
Frameworks
Express.js, NestJS, Jest
Storage
MongoDB, MySQL, Elasticsearch, Redis
Other
Mathematics, Algebra, Calculus, Probability Theory, Back-end, Abstract Algebra, Discrete Mathematics, Number Theory, Algorithms, Data Structures, Authentication, WebSockets, Philosophy, Single Sign-on (SSO), CI/CD Pipelines, Telegram Bots
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