Senior or lead frontend/full-stack role — React, TypeScript, Next.js – on a product team that ships to real users and measures what happens next. I've built products from scratch and spent years improving mature ones; both suit me. For the past year, LLM coding agents have been my main development environment, not a side experiment or mindless “vibe-code”.
Looking for a job
Sergey Sharov
@sergeysharov
Senior frontend/full-stack engineer and team lead. 20+ years, six leading teams, mature products and startups, 0-to-prod, daily work with LLM agents.
SerbiaWhat I'm looking for
Senior frontend/full-stack engineer and team lead — React, TypeScript, Next.js, Node. Over 20 years in software, more than half of it focused on frontend, including full-stack TypeScript development and six years in lead roles. I’ve built products from scratch and spent years improving mature ones; both suit me, and after that long I can read and judge code well outside my main stack.
For the past year, LLM coding agents have been my main development environment — not a side experiment, and not mindless vibe-coding. I write the spec, shape the architecture, review what comes back, and own the tests, checks and release pipeline that make agent-written code safe to ship.
Behind that is code review at scale: setting quality standards, running technical interviews, and mentoring engineers up to senior level. Judging engineering quality without running every line is what code review has always been; I have just been doing it for a long time.
Clear processes and good tooling matter to me, so I will probably suggest improvements — or praise the managers if everything is already right.
Experience
Work history, roles, and key accomplishments
SG
Current
Senior Frontend Developer
Social Discovery Group
Jul 2025 - Present (1 year 2 months)
Built the product's frontend from scratch to stable production, setting up analytics, error tracking, A/B testing, payment integration, and automatic type generation. Launched two fork-based projects to test business models, relying heavily on LLM coding agents.
QT
Senior Frontend Developer
Quantox Technology
May 2022 - Mar 2025 (2 years 10 months)
Pioneered TypeScript adoption, improving code maintainability and reducing runtime errors. Led development of a streaming platform admin area using Next.js, prototyped product ideas, resolved critical incidents, and fostered code review culture.
IN
Senior Frontend Developer
Infourok
Oct 2021 - Mar 2022 (5 months)
Developed and maintained critical features as a senior engineer in a cross-functional SCRUM team, ensuring smooth collaboration and high-quality deliveries. Enhanced and optimized an online examination system, improving reliability, performance, and user experience.
LU
Frontend Lead
L2U
Oct 2020 - Oct 2021 (1 year)
Led frontend architecture decisions for a customizable B2B platform, ensuring scalability and performance. Developed an online telephony system using Voximplant and built a company-wide design system.
Technical Lead of Development
Sberbank
May 2017 - Jun 2020 (3 years 1 month)
Led technical decision-making and bridged stakeholder and development team gaps. Contributed to core user experience, automated testing frameworks, and a company-wide design system.
Education
Degrees, certifications, and relevant coursework
RM
Russian University of Transport (MIIT)
Specialist, Software Development
Specialist in Software Development from the Russian University of Transport (MIIT).
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
SerbiaAuthorized to work in
Salary expectations
60k-100k EUR
Social media
Job categories
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