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EXPERIENCE
SKILLS
EDUCATION
CONTRIBUTION
ACTIVITY

EXPERIENCE

SKILLS

EDUCATION

CONTRIBUTION

ACTIVITY

Teimur Gasanov

Senior Software Engineer

I am an engineer with 9+ years of experience in UI/UX, software architecture, and team leadership. Proficient in React, JavaScript, and TypeScript, I possess strong communication, management, and problem-solving skills, enabling me to devise reliable solutions for complex challenges.

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Experience

Now
Speechify

Senior Software Engineer

at Speechify 🌍

Jun 2025 - Now

  • Redesigned LLM-based translation engine with contextual prompts for 20 languages, improving BLEU, COMET, and BERT scores, resulting in a 15% boost in international conversion rates.

Form

Senior Frontend Engineer

at Form 🌍

Sep 2022 - Jun 2025

  • Spearheaded an open-source package library, reducing code duplication and accelerating updates, increasing team efficiency by 30%.
  • Led migration to a monorepo architecture, enhancing collaboration and reducing build times by 25%, streamlining CI/CD workflows.
  • Launched 5 Web3 applications, scaling to over 100,000 users and delivering reliable blockchain-integrated experiences.

Klarna

Senior Software Engineer

at Klarna 🇩🇪

Jan 2022 - Jan 2023

  • Launched a shared React Native onboarding library used by 3+ teams, cutting onboarding time by 40% and improving development culture.
  • Integrated Siri Shortcuts into the Klarna app, enhancing functionality with voice-activated features, resulting in a 10% increase in app usage.
  • Developed a Google Sheet plugin for automated testing, reducing manual testing hours by over 50%.

Toptal

Senior Frontend Engineer

at Toptal 🌍

Sep 2020 - Dec 2021

  • Enhanced shared component library by improving reusability, reducing UI development time by 50% across projects.
  • Led CI/CD migration from Jenkins to GitHub Actions, accelerating deployments by 30% and streamlining developer workflows.
  • Initiated monorepo architecture mentorship for 10+ engineers, increasing project delivery efficiency by 25%.

Clubhouse (currently Shortcut)

Frontend Engineer

at Clubhouse (currently Shortcut) 🌍

Feb 2019 - Sep 2020

  • Built a CMS-powered landing page, enabling no-code updates for marketing, boosting lead conversions by 12%.
  • Improved page navigation speed by 100% through strategic code splitting, enhancing site usability, and session duration.
  • Led migration of jQuery codebase to React, modernizing the architecture and reducing maintenance overhead by 40%.

weffect

Frontend Engineer

at weffect 🌍

Jun 2018 - Jan 2019

  • Reduced paint time by 25% by migrating animations from CSS/JS to WebGL, achieving enhanced rendering performance.
  • Increased test coverage to 95%, reducing bugs by 40% and accelerating development cycles through safer releases.

Attractor Software

Software Engineer

at Attractor Software 🇰🇬

Oct 2016 - May 2018

  • Boosted site performance 2x by cutting load times to 2s, improving Core Web Vitals, and lifting conversions by 15%.
  • Built a browser extension to detect live report miscalculations, improving data accuracy and employee productivity by 40%.

Skills

JavaScript
JavaScript

9 years

TypeScript
TypeScript

9 years

CI/CD
CI/CD

8 years

Docker
Docker

8 years

React
React

8 years

GraphQL
GraphQL

7 years

Education

Ala-too Internatinal University

Bachelor's Degree in Computer Science

Sep 2015 - Jun 2019

  • Created a self-driving toy car using image processing and machine learning techniques.
  • Created a peer-to-peer local network using Go.
  • Participated in competitive programming initiatives.

Contribution

ant-design

ant-design/ant-design

TypeScript

96.0k

Public

storybook

storybookjs/storybook

TypeScript

87.7k

Public

docusaurus

facebook/docusaurus

TypeScript

61.7k

Public

apexcharts.js

apexcharts/apexcharts.js

JavaScript

14.9k

Public

evergreen

segmentio/evergreen

JavaScript

12.4k

Public

vega

vega/vega

JavaScript

11.6k

Public

chains

ethereum-lists/chains

Kotlin

9.8k

Public

flow-typed

flow-typed/flow-typed

JavaScript

3.8k

Public

viem

wevm/viem

TypeScript

3.1k

Public

G

antvis/G

TypeScript

1.2k

Public

onchainkit

coinbase/onchainkit

TypeScript

895

Public

action-doctl

digitalocean/action-doctl

JavaScript

499

Public

quiz

gophercises/quiz

Go

452

Public

react-twitter-embed

saurabhnemade/react-twitter-embed

TypeScript

376

Public

urlshort

gophercises/urlshort

Go

139

Public

picasso

toptal/picasso

TypeScript

134

Public

blazediff

teimurjan/blazediff

Rust

53

Public

Activity

✏️

Sep 2025
Building BlazeDiff: How I Made The Fastest Image Diff up-to 60% Faster with Block-Level Optimization
Building BlazeDiff: How I Made The Fastest Image Diff up-to 60% Faster with Block-Level Optimization
From analyzing pixelmatch's bottlenecks to creating a faster algorithm with zero allocations and...
Check it out 🔗

📺

Aug 2025
Кыргызстанец вошел в международный список талантов и разрабатывает ИИ-решения в компании с капитализацией $10 млрд
Кыргызстанец вошел в международный список талантов и разрабатывает ИИ-решения в компании с капитализацией $10 млрд
Check it out 🔗

✏️

Mar 2025
Building a Robust JS/TS Monorepo: Best Practices with Yarn, NX and Changesets
Building a Robust JS/TS Monorepo: Best Practices with Yarn, NX and Changesets | HackerNoon
Build a robust JS/TS monorepo with Yarn v4, NX & Changesets. Organize apps, features & libs, and automate CI/CD for efficient development workflows.
Check it out 🔗

✏️

Oct 2023
Crafting Automation Magic: A Look Into Modern CV Development Techniques
Crafting Automation Magic: A Look Into Modern CV Development Techniques | HackerNoon
Explore modern CV management through React, Gatsby, and Hygraph CRM integration. Dive into automation with react-pdf and redefine digital personal branding.
Check it out 🔗

✏️

Jan 2023
Demystifying Debugging With React Developer Tools
Demystifying Debugging With React Developer Tools | Toptal®
Elevate your debugging skills with React Developer Tools and other services.
Check it out 🔗

✏️

Jul 2021
The Best React State Management Tools for Enterprise Applications
React State Management Tools for Enterprise Applications | Toptal®
State management is important in any React project, but it is crucial in enterprise-level applications. Here’s how the most popular React state management tools compare in an enterprise setting.
Check it out 🔗

✏️

Jan 2021
Machine Learning Number Recognition - From Zero to Application
Machine Learning Digit Recognition Tutorial | Toptal®
Machine learning and computer vision are not new concepts, yet the availability of new tools and datasets is bringing them to a wider audience. Here is how you can create an app capable of recognizing handwritten digits in less than an hour. #ML #MachineLearning #ComputerVision
Check it out 🔗

🎙

Dec 2020
Career growth recipes
Public speech at IT Entrance Belarus 2020.
Check it out 🔗

📺

Sep 2020
IT-специалист: “Toptal – это реальный шанс выйти на новый уровень”
Check it out 🔗

✏️

Oct 2019
Lighter and Faster - A Guide to the Svelte Framework
Guide to the Svelte Framework | Toptal®
Let’s learn the Svelte framework by walking through creating a common log-in form used by virtually every type of application.
Check it out 🔗

🎙

Oct 2018
GDG Almaty 2018
Proper documentation with React
Public speech at GDG Almaty 2018.
Check it out 🔗

🎙

Sep 2018
PyCon Kyrgyzstan 2018
Data visualization in Python
Public speech at PyCon Kyrgyzstan 2018.
Check it out 🔗

🎙

Mar 2018
GDG IWD Bishkek 2018
Optimization of React applications
Public speech at GDG IWD Bishkek 2018.
Check it out 🔗

Do you want to connect?

Despite the fact that I might be busy, I'm open to any offers/collaborations and would be happy to reply.

Send me an email

2025 Teimur Gasanov

GitHub
LinkedIn
Toptal