Freelance Developer Web Development Mentor at Self-employed
Balashikha, Moscow, Russia
Join Prog.AI to see contacts
Join Prog.AI to see contacts
Summary
👤
Senior
🎓
Top School
Alexander Britov is a backend-focused freelance developer and web development mentor with a decade of hands-on experience building and maintaining scalable server-side systems. He combines strong object-oriented design and agile practices with a track record of shipping production RESTful APIs, cloud migrations, and performance optimisations across startups and client projects. An active open-source contributor, he extended a Go PayPal SDK to support billing plans and agreements and added interactive Instagram Stories features in a TypeScript SDK, reflecting practical API integration skills across languages. As a mentor he teaches real-world engineering practices—unit testing with Java/Spring and Mockito, code review, and requirements analysis—helping juniors transform theory into maintainable, testable code. Known for quick learning and clear technical communication, he thrives on translating complex backend concepts into sustainable solutions for clients and students.
10 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Information Technology, Bachelor's degree, Information Technology at Moscow State Institute of Radio Engineering, Electronics and Automation (Technical University)
Contributions:12 commits, 2 PRs, 4 pushes in 1 month
Contributions summary:Alexander focused on implementing and extending the functionality of the PayPal Go SDK. They added structures and definitions related to billing plans, agreements, and payment definitions. The contributions involved defining data structures for PayPal API interactions and implementing functions for creating and activating billing plans, as well as creating and executing billing agreements. These changes demonstrate an understanding of the PayPal API and the Go programming language.
NodeJS Instagram private API SDK. Written in TypeScript.
Role in this project:
Back-end Developer
Contributions:18 commits, 4 PRs in 10 days
Contributions summary:Alexander primarily contributed to the development of features related to Instagram Stories. Their work included adding interfaces and implementing new functionalities for polls, quizzes, countdowns, and sliders within the Instagram private API. The commits focused on defining data structures and modifying responses related to reels media feeds to support these interactive story elements. Additionally, they made minor fixes and adjustments related to the `CountdownSticker` and other components involved in story sticker functionalities.
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.