Ростислав

Rostyslav Lysak
Front-end Developer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Kyiv, Ukraine LinkedIn

Profile
Accomplished Front-end Developer with over 3 years of hands-on experience in fintech and product-driven environments.
Proven track record of delivering high-quality, scalable web applications using React, Next.js, TypeScript, and modern backend
technologies.
Skilled in building intuitive and performance-optimized user interfaces, developing reliable backend services, and
implementing real-time functionality to enhance system responsiveness. Known for improving development efficiency, system
performance, and product stability through clean architecture, reusable components, and thoughtful technical decisions.
A collaborative team player with a strong commitment to continuous learning and innovation, always focused on delivering
meaningful impact and contributing to long-term product and business growth.

Professional Experience Skills
ASVIO Bank JavaScript • TypeScript • React • Next.js •
Full-stack Developer
07/2023 - Present | Kyiv, Ukraine NestJS • Node.js • React Native • REST APIs •
Developed and maintained core banking web applications using
GraphQL • Express • Apollo • WebSockets •
•

React, Next.js, TypeScript, and NestJS, reducing feature delivery
time by ~30% through reusable components and shared logic. Socket.IO • PostgreSQL • MongoDB • Prisma •
Designed and optimized backend services with Node.js,
•

GraphQL, Prisma/Mongoose, and Redis, improving API response Mongoose • TypeORM • Redis • Docker • Git •
times by ~35% under production load.
Implemented real-time functionality with WebSockets,
• Shadcn UI • MUI • Tailwind CSS • Bootstrap •
decreasing data refresh latency by ~60% for dashboards and
internal tools. Framer Motion • HTML • CSS • SCSS • Animations •
Enhanced UI performance and usability using Tailwind, MUI,
CI/CD • GitHub Actions • Webpack • Vercel •
•

Shadcn UI, and Framer Motion, reducing UI-related bug reports
by ~25%.
Containerized and deployed services with Docker, cutting
•
Education
environment-related deployment issues by ~40% across staging Interregional Academy of Personnel Management
and production. Computer Software Engineering
Amofintech 09/2023 - 06/2024
Full-stack Developer
07/2022 - 07/2023 | Kyiv, Ukraine Languages
Built full-stack features for ASVIO Bank using React, Next.js,
English - Upper-Intermediate
•

Node.js, and NestJS, accelerating initial product development by
~35%. Ukranian - Native/Bilingual
Developed and maintained APIs with GraphQL, Express, Prisma,
•

and MongoDB, reducing data inconsistencies by ~30% through Russian - Native/Bilingual
improved schema design.
Implemented responsive and animated UI components with
• Courses
Tailwind, shadcn/ui, and Framer Motion, increasing user
engagement metrics by ~20%. React
Added real-time updates with WebSockets and Redis, lowering Hillel IT School
05/2023 - 06/2023 | Kyiv, Ukraine
•

manual data refresh needs by ~50%.
Collaborated closely with frontend, backend, and product teams,
•

Front-end Pro
reducing feature rework by ~25% through early technical Hillel IT School
alignment. 08/2021 - 12/2021 | Kyiv, Ukraine
Front-end Basic
Hillel IT School
02/2021 - 06/2021 | Kyiv, Ukraine
Python Basic
Hillel IT School
10/2020 - 12/2020 | Kyiv, Ukraine