App LogoApp name
AE

Aleksandr Efremovtsev

Open to work8 years experience

Senior Frontend Engineer

Bangkok, ThailandTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Senior Frontend Engineer | AI-Driven, TypeScript, React

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

28 skills
typescriptjavascripthtml5css3reactnext.jsangularjsreduxmobxzustandcss modulesstyled componentstailwindwebpackvitegulpeslintprettiergraphqlwebsocketsrestweb workerspostgresqlnode.jsjestreact testing libraryclaude codecursor

Work Experience

Frontend Engineer

ROGII

Nov 2022 - Jun 2026 Remote
  • Built complex monitoring dashboards that stay responsive while ingesting continuous high-frequency data streams from drilling operations.
  • Re-engineered my personal coding workflow around Claude Code and Cursor, cutting time spent on coding, testing and code reviews by approximately 30%.
  • Took end-to-end responsibility for features - refining requirements with product managers, designing APIs with the backend team, shipping to production, and owning post-release UX quality.
  • Scaled frontend development processes during a period of rapid product growth.
  • Continuously tested emerging AI development tools on personal projects.

Frontend Engineer

Flow Health

Feb 2022 - Nov 2022 Remote
  • Designed and shipped new product features end-to-end.
  • Stood up a comprehensive Jest-based testing suite to stabilize releases.

Frontend Engineer

Performance Lab

Feb 2020 - Feb 2022
  • Led a team of 2 frontend developers, owning sprint planning and code review.
  • Designed, built and maintained a Chrome Extension used by QA engineers in daily work.
  • Migrated a large legacy application from AngularJS to React + TypeScript.
  • Mentored junior developers.

Frontend Developer

Ferum

Aug 2019 - Feb 2020
  • Led a team of 3 frontend developers in building and successfully launching the MVP of a new SaaS service.

Frontend Developer

Banki.ru

Jan 2017 - Aug 2019
  • Developed new product features.
  • Redesigned the in-house UIKit used across the portal.

Projects

snypr.ru

View Project
Next.jsAIfullstack
  • Live-in-beta personal project where I own the full stack solo: Next.js (App Router, Server Components), PostgreSQL with Drizzle ORM, OpenRouter LLM integration, automated email pipelines.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

AI-Driven Productivity Gain

~30% personal productivity gain from AI-assisted development workflow (Claude Code + Cursor).

About Details

Professional Bio

Senior Frontend Engineer with 8+ years of commercial experience in React, TypeScript and the modern web ecosystem. I specialize in high-performance UIs that stay responsive under heavy real-time data streams, and I lead end-to-end feature delivery.

Department of Molecular and Biological Physics

Moscow Institute of Physics and Technology (MIPT) ( - Present)

Languages: English, Hindi
Email: Locked