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Daniil Ustiantsev
Looking for a jobTeam Lead / Full-Stack Engineer
I build scalable TypeScript, React, and Node.js products from architecture to delivery.
GeorgiaTeam Lead / Full-Stack Engineer at Contaqt
About
I led architecture and delivery at Contaqt for a WebRTC telephony platform serving 10,000+ active users, managing a team of five engineers and reducing production incidents by 40%.
I owned a billing and subscription platform processing $1M+ monthly across Stripe and three payment providers. I also shipped a Chrome extension used by about 90% of customers and handling roughly 30,000 calls each month.
Previously, I helped take CallPanda’s recruitment platform from zero to launch and its first 30 customers in six months. I built end-to-end features including CV recognition, real-time chat, video recording, and online assessments that cut candidate screening time by 50%.
I've also delivered banking-platform features at Sber, led a TypeScript migration and design system at AxisPoint Consulting, and founded and sold an on-demand home-cleaning service after reaching 10,000+ completed orders and $100k in revenue.
Experience
Team Lead / Full-Stack Engineer
Led a team of 5 engineers on a WebRTC telephony platform serving 10,000+ active users, owning architecture, roadmap, and mentoring. Delivered billing and subscription platform processing $1M+ per month and a Chrome extension handling ~30,000 calls monthly.
NodeJSNestJSTypeScriptVue.JsEXT JSLuaPostgreSQLTarantoolRedisWebRTCStripe
Frontend Engineer
Built the recruitment platform frontend from scratch as one of 3 core engineers, taking the product from zero to launch and its first 30 customers in 6 months. Owned CV recognition, real-time chat, video recording, and assessment module end to end.
ReactRedux toolkit
Education
Saint Petersburg State University of Telecommunications
Pursued a Bachelor of Science degree at Saint Petersburg State University of Telecommunications from 2016 to 2020.
Pursued a Bachelor of Science degree at Saint Petersburg State University of Telecommunications from 2016 to 2020.