Сергій

SUMMARY

Frontend Engineer with over 4 years of experience in the tech
industry, I have worked extensively on the web, using modern
technologies such as JavaScript, TypeScript, React, and Next.js. My
expertise lies in translating complex UI/UX designs into highly
scalable and performant applications, while adhering to industry
best practices in testing, optimization, and coding standards.

Resume Throughout my career, I’ve contributed to multiple large-scale
projects, onboarded new developers to the project architecture
FRONTEND ENGINEER and internal development workflows as part of the onboarding
process.
PERSONAL DETAILS
Domains: CRM, CMS, Trading, FinTech, Regulations
Sergii Poliakov
HARD SKILLS
[открыть контакты](см. выше в блоке «контактная информация»)

@sergiipoli JavaScript, TypeScript, React — proficient level
Next.js, RTK Query, Redux Toolkit – REST API integration
[открыть контакты](см. выше в блоке «контактная информация»)
HTML, CSS, SASS (BEM) – responsive and maintainable layout
development
Ukraine
Ant Design, Formik, Yup – UI development and form handling
[открыть контакты](см. выше в блоке «контактная информация») Axios, GraphQL – client-server communication
poliakov Node.js, Express – backend development and REST API
implementation
SOFT SKILLS MongoDB – NoSQL database for flexible data storage
Docker - containerization and environment configuration
Ownership & accountability
Git — branching, code reviews, team workflows
Ability to read and understand
existing codebases
Jira, Trello – project management and task tracking
Structured thinking & planning Figma – UI/UX design and prototyping
Effective cross-team Scrum – agile development and team collaboration
communication
Attention to detail TOOLS & TECHNOLOGY
Problem-solving mindset
Quick onboarding & adaptability
Empathy for end-user and Languages — JavaScript, TypeScript
business needs Version Control – Git
Containers – Docker
MY MANAGER \ MENTORS Databases – MongoDB
Volodymyr Tsokha - R&D Team
CMS & Platforms – React, Next.js, REST APIs, GraphQL
Lead | Contacts: Telegram - Node.js, Express – backend development and REST API
@swilink, Linkedin implementation
Melnik Nazarii - Middle Full Stack Project Management – Jira, Trello
Developer [открыть контакты](см. выше в блоке «контактная информация») Linkedin Libraries - Ant Design, Formik, React, React Router, Redux, RTK
Mykyta Milshyn Senior QA Query
Automation [открыть контакты](см. выше в блоке «контактная информация») Testing - Jest, Cypress
Linkedin

EMPLOYMENT

Apr 2025 – Frontend Development
Nicely Group. Remote
Clients: Ukraine
 Responsible for developing standalone
UI pages and connecting frontend
components with backend services
through RESTful API
Feb 2024 – Feb 2025 Full Stack Development
IT Solutions, Remote
Clients: Germany, UK, USA, UAE, Ukraine,
Poland, Bulgaria, Finland

Developed websites and admin panels
for regulatory and compliance-focused
organizations
Worked as part of a team to build a
business-oriented CRM system,
decomposed into microservices for
scalability and maintainability.

Dec 2023 – Feb 2024 Frontend Engineer
Bul Trast Group, Remote
Clients: Ukraine, Bulgaria
Participated in the development of
websites for a product-focused
company, using React and Next.js to
deliver key functionality
Played a key role in developing an
internal CMS and ensuring its
adaptability for future projects

Dec 2022 – Feb 2023 Frontend Engineer
Inform Group, Ukraine
Clients: Ukraine
Developed and maintained a trading
platform designed to provide advanced
trading features for end users.
Was responsible for customizing parts of
the application, pages, and components
to meet specific requirements.
Configured unique styles and
functionality for each business client
individually. The application had a base
structure, but for each B2B client, it was
customized to meet their specific needs.