Open to opportunities

Helen Bradley

@helenbradley

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Senior full-stack developer building scalable, performant web applications.

Russian Federation

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What I'm looking for

I seek a role building scalable, user-focused web platforms where I can improve performance, mentor teams, and deliver reliable, secure systems.

I am a senior full-stack developer with over four years of experience building modern, scalable web applications and digital platforms for startups and corporate clients. I specialize in React, Node.js, Python, PHP/Laravel and design responsive interfaces and robust backend systems focusing on performance, security, and maintainability.

Across roles from junior to senior, I have delivered numerous SaaS, e-commerce and enterprise systems, implemented RESTful APIs and authentication (JWT, RBAC), optimized databases and APIs to improve performance by up to 50%, and reduced page load times significantly through frontend optimization and caching.

Experience

Work history, roles, and key accomplishments

Current

Senior Full-Stack Developer

Current

Unknown

Jan 2024 - Present (2 years 2 months)

Developed and implemented 8+ web applications for startups and corporate clients, supporting 10,000+ monthly users; improved application performance by 40–50% and reduced page load time from 4.2s to 1.9s through optimization and caching.

React Python Laravel RESTful APIs JWT Database Optimization Performance Tuning

Full Stack Developer

Unknown

Mar 2023 - Jan 2024 (10 months)

Implemented 12+ full-featured web projects including SaaS platforms; created reusable React components to reduce development time by 30% and built REST APIs supporting 5,000+ active users.

React Laravel RESTful APIs Database Optimization JavaScript SQL

Junior Full Stack Developer

Unknown

Apr 2020 - Mar 2023 (2 years 11 months)

Contributed to 6+ web applications across frontend and backend, resolved 100+ technical issues to improve platform stability, and assisted with PHP, Python, MySQL, and React development.

PHP Python MySQL React JavaScript Frontend Development Backend Development

Education

Degrees, certifications, and relevant coursework

Shanghai University of Engineering Science

Bachelor of Science, Computer Science

2018 - 2022

Studied core computer science disciplines and completed web development projects and a thesis on a full-featured web platform integrating modern frontend frameworks with backend services.