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I'm a frontend developer with 5+ years of experience delivering scalable web apps across fintech, media, and AI domains. I thrive in teams of 2 to 30 people and cover the full frontend lifecycle—from translating product requirements to CI/CD automation, test coverage, analytics, and performance optimizations. I enjoy turning ideas into robust, maintainable code and collaborating closely with designers and product owners. I take proactive ownership, escalating product/design/backend issues early, proposing improvements beyond my direct scope, and mentoring teammates to help the group deliver smoothly. I love partnering with designers in Figma to ensure UX consistency and component reuse, and I’m comfortable leading by example through code reviews and hands-on guidance.…I'm a frontend developer with 5+ years of experience delivering scalable web apps across fintech, media, and AI domains. I thrive in teams of 2 to 30 people and cover the full frontend lifecycle—from translating product requirements to CI/CD automation, test coverage, analytics, and performance optimizations. I enjoy turning ideas into robust, maintainable code and collaborating closely with designers and product owners. I take proactive ownership, escalating product/design/backend issues early, proposing improvements beyond my direct scope, and mentoring teammates to help the group deliver smoothly. I love partnering with designers in Figma to ensure UX consistency and component reuse, and I’m comfortable leading by example through code reviews and hands-on guidance.

ASSYLKHAN SAGYNDYK

Front-End Developer, Developer, Web Developer, +4

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I'm a frontend developer with 5+ years of experience delivering scalable web apps across fintech, media, and AI domains. I thrive in teams of 2 to 30 people and cover the full frontend lifecycle—from translating product requirements to CI/CD automation, test coverage, analytics, and performance optimizations. I enjoy turning ideas into robust, maintainable code and collaborating closely with designers and product owners. I take proactive ownership, escalating product/design/backend issues early, proposing improvements beyond my direct scope, and mentoring teammates to help the group deliver smoothly. I love partnering with designers in Figma to ensure UX consistency and component reuse, and I’m comfortable leading by example through code reviews and hands-on guidance.…I'm a frontend developer with 5+ years of experience delivering scalable web apps across fintech, media, and AI domains. I thrive in teams of 2 to 30 people and cover the full frontend lifecycle—from translating product requirements to CI/CD automation, test coverage, analytics, and performance optimizations. I enjoy turning ideas into robust, maintainable code and collaborating closely with designers and product owners. I take proactive ownership, escalating product/design/backend issues early, proposing improvements beyond my direct scope, and mentoring teammates to help the group deliver smoothly. I love partnering with designers in Figma to ensure UX consistency and component reuse, and I’m comfortable leading by example through code reviews and hands-on guidance.

Available to hire

I’m a frontend developer with 5+ years of experience delivering scalable web apps across fintech, media, and AI domains. I thrive in teams of 2 to 30 people and cover the full frontend lifecycle—from translating product requirements to CI/CD automation, test coverage, analytics, and performance optimizations. I enjoy turning ideas into robust, maintainable code and collaborating closely with designers and product owners.

I take proactive ownership, escalating product/design/backend issues early, proposing improvements beyond my direct scope, and mentoring teammates to help the group deliver smoothly. I love partnering with designers in Figma to ensure UX consistency and component reuse, and I’m comfortable leading by example through code reviews and hands-on guidance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Frontend Developer at Bank Center Credit (Banking)

March 1, 2024 - Present

Developed and launched user interfaces for online deposits and escrow services using React and Angular, contributing to a 41.6% increase in income and 16.8% growth in transfer revenue. Migrated frontend from Angular to Next.js, significantly improving performance, maintainability, and developer experience. Boosted the number of open deposits from 401 to 981 via WebView integration into the mobile banking app. Integrated Sentry and Amplitude, reducing average time to detect frontend issues by 65% and increasing conversion by 12.4% through behavioral analytics.

Frontend Developer, Team Lead at Smartplayer (Digital Signage)

March 1, 2024 - July 28, 2025

Led a frontend team (1 junior, 1 mid-level), reviewed code, delegated tasks, and ensured timely delivery. Increased feature delivery rate from 50.2% to 76.6% by developing a custom UI library. Reduced broadcast start time by 43.2% through deep performance optimizations. Developed and maintained cross-platform apps for webOS and Tizen smart displays.

Frontend Developer at Akta (Video Player)

October 1, 2022 - July 28, 2025

Decreased bug report rate from 37.9% to 14.2% by refactoring core modules and improving test coverage. Integrated Google SDKs (Analytics, Cast, IMA, DAI), boosting customer acquisition by 13.1%.

Frontend Developer at Bank Center Credit

March 1, 2024 - Present

Developed and launched user interfaces for online deposits and escrow services using React and Angular, contributing to revenue gains. Migrated the frontend from Angular to Next.js, improving performance and maintainability. Enabled WebView integration into the mobile banking app, increasing open deposits. Implemented Sentry and Amplitude for monitoring and analytics, reducing issue detection time and boosting conversions.

Frontend Developer, Team Lead at Smartplayer (Digital Signage)

March 1, 2024 - September 18, 2025

Led a frontend team (1 junior, 1 mid-level), conducted code reviews, delegated tasks, and ensured timely delivery. Built a custom UI library that raised feature delivery rate from 50.2% to 76.6%. Implemented deep performance optimizations that reduced broadcast start time by 43.2%.

Frontend Developer at Akta (Video Player)

October 1, 2022 - September 18, 2025

Decreased bug rate from 37.9% to 14.2% by refactoring core modules and improving test coverage. Integrated Google SDKs (Analytics, Cast, IMA, DAI), boosting customer acquisition by 13.1%. Actively performed frontend troubleshooting in production, quickly identifying and resolving edge-case bugs and performance bottlenecks.