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I’m Abdusaid, a full-stack Ruby on Rails developer with 4+ years of experience building scalable applications in SaaS, Fintech, e-commerce, and Gaming. My expertise lies in designing robust APIs, architecting clean database schemas, and developing features that are both user-friendly and performance-driven. What makes me different is my ability to bridge traditional Rails development with modern AI/ML capabilities using Python. I don’t just deliver features - I design systems that combine business logic, automation, and intelligent decision-making. --- Employment and project experience Software Engineer iTransition. July 2024 - Present Ruby on Rails Full-stack Developer Zazmic. August 2021 - May 2024 Ruby on Rails Full-stack Developer BOX Dev Lab January 2021 - May 2024 Student Mentor Microverse July 2019 - June 2020…I’m Abdusaid, a full-stack Ruby on Rails developer with 4+ years of experience building scalable applications in SaaS, Fintech, e-commerce, and Gaming. My expertise lies in designing robust APIs, architecting clean database schemas, and developing features that are both user-friendly and performance-driven. What makes me different is my ability to bridge traditional Rails development with modern AI/ML capabilities using Python. I don’t just deliver features - I design systems that combine business logic, automation, and intelligent decision-making. --- Employment and project experience Software Engineer iTransition. July 2024 - Present Ruby on Rails Full-stack Developer Zazmic. August 2021 - May 2024 Ruby on Rails Full-stack Developer BOX Dev Lab January 2021 - May 2024 Student Mentor Microverse July 2019 - June 2020

Abdusaid Abdurasulov

Full Stack Developer, Web Developer, Front-End Developer, +3

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I’m Abdusaid, a full-stack Ruby on Rails developer with 4+ years of experience building scalable applications in SaaS, Fintech, e-commerce, and Gaming. My expertise lies in designing robust APIs, architecting clean database schemas, and developing features that are both user-friendly and performance-driven. What makes me different is my ability to bridge traditional Rails development with modern AI/ML capabilities using Python. I don’t just deliver features - I design systems that combine business logic, automation, and intelligent decision-making. --- Employment and project experience Software Engineer iTransition. July 2024 - Present Ruby on Rails Full-stack Developer Zazmic. August 2021 - May 2024 Ruby on Rails Full-stack Developer BOX Dev Lab January 2021 - May 2024 Student Mentor Microverse July 2019 - June 2020…I’m Abdusaid, a full-stack Ruby on Rails developer with 4+ years of experience building scalable applications in SaaS, Fintech, e-commerce, and Gaming. My expertise lies in designing robust APIs, architecting clean database schemas, and developing features that are both user-friendly and performance-driven. What makes me different is my ability to bridge traditional Rails development with modern AI/ML capabilities using Python. I don’t just deliver features - I design systems that combine business logic, automation, and intelligent decision-making. --- Employment and project experience Software Engineer iTransition. July 2024 - Present Ruby on Rails Full-stack Developer Zazmic. August 2021 - May 2024 Ruby on Rails Full-stack Developer BOX Dev Lab January 2021 - May 2024 Student Mentor Microverse July 2019 - June 2020

Available to hire

I’m Abdusaid, a full-stack Ruby on Rails developer with 4+ years of experience building scalable applications in SaaS, Fintech, e-commerce, and Gaming. My expertise lies in designing robust APIs, architecting clean database schemas, and developing features that are both user-friendly and performance-driven.

What makes me different is my ability to bridge traditional Rails development with modern AI/ML capabilities using Python. I don’t just deliver features - I design systems that combine business logic, automation, and intelligent decision-making.

Employment and project experience

Software Engineer iTransition.
July 2024 - Present

Ruby on Rails Full-stack Developer Zazmic.
August 2021 - May 2024

Ruby on Rails Full-stack Developer BOX Dev Lab
January 2021 - May 2024

Student Mentor Microverse
July 2019 - June 2020

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Beginner

Beginner

Language

English

Advanced

Russian

Fluent

German

Beginner

Uzbek

Fluent

Kazakh

Advanced

Work Experience

Software Engineer at iTransition

July 1, 2024 - Present

Worked on the development and improvement of a user management platform for several online games. Improved system stability by fixing edge-case bugs in the legacy code base. Improved CSV report processing workflows by 75%. Collaborated with QA, UI/UX, and Product teams to align features with user expectations and system design.

Full-Stack Developer at Zazmic

April 1, 2024 - September 22, 2025

Contributed to multiple projects for international clients in fintech, e-commerce, and services, focusing on scalable architecture, API integration, and performance optimization. Integrated third-party APIs to enhance data accuracy and user experience. Refactored controller-heavy logic into service objects and migrated the frontend from Angular.js to Vue.js, resulting in faster load times, enhanced maintainability, and a more responsive user experience. Covered with unit and feature tests, ensured reliability, wrote technical documentation, and implemented a GraphQL API within a tight deadline.

Full-Stack Web Developer at BOX DEV LAB

May 1, 2021 - September 22, 2025

Contributed to the development of a social media app, a CRM platform, and a social media analytics tool from scratch, contributing to the entire lifecycle from initial planning to deployment. Contributed to application architecture decisions to ensure scalability and performance. Integrated APIs to enhance functionality, including authentication, data visualization, payments, and analytics. Implemented reusable UI components designed by the UI/UX team and integrated with the server-side logic, ensuring a smooth and responsive user experience.

Mentor at Microverse

November 1, 2020 - September 22, 2025

Provided 1:1 mentoring support to junior developers in a remote full-stack development school. Reviewed codebases, offering improvement suggestions to enhance maintainability. Provided advice and tips on how to maintain motivation and succeed in the program.