Павло

PAVEL NEDZELSKIY​
Lead Frontend Engineer, Full stack​
Application Architect

October 24, 1986, Ukraine, Intermediate (B1–B2)

Gmail, LinkedIn

Spain, full remote​
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Lead Frontend Engineer with 10+ years of experience delivering and improving web products,
building applications from scratch and leading development teams.

Strong focus on application architecture: defining tech stack, structuring codebases, selecting
libraries, and building scalable, maintainable frontend systems.

Proven ability to take products from idea to production, including architecture design,
development processes, and team setup.

Deep expertise in React ecosystem with hands-on experience in Node.js and working
knowledge of Golang and PHP.

Selected Highlights

Open-source browser extension for multi-system threat investigation.
Frontend architecture for real-time analytics platform with high data load and live data.
Shared UI components and patterns used across multiple projects.
Simplified complex data workflows, reducing time spent on routine operations.

Core Skills (simplified)

Frontend: JavaScript, React, TypeScript, Storybook, Browser Extensions​
State Management: Redux, MobX, Zustand​
Testing tools: Playwright, Jest​
Backend: Node.js, Golang, PHP​
Architecture: Application Architecture, System Design (frontend-focused)​
Data: MySQL, MongoDB, Redis, Elasticsearch​
Other: WebSockets, REST APIs, CI/CD, Docker​
Practices: SOLID, DRY, KISS, Agile
Experience Overview​
Detailed company experience available on LinkedIn

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Application Architecture & System Design (~6 years)
Designed and improved architecture for systems with high data load and complex logic.
Built architecture supporting multiple applications within a single codebase, ensuring
consistency and maintainability at scale.
Restructured frontend and data flow, reducing complexity and improving predictability.
Introduced a consistent structure, improving delivery speed and reducing onboarding time.
Improved maintainability by reducing tight coupling between modules.

Frontend Systems & User Experience (~10+ years)
Built interfaces for data-heavy systems, including analytics platforms and cybersecurity tools.
Simplified workflows by consolidating data from multiple systems into a single interface,
reducing time spent on routine operations.
Improved performance and consistency by introducing reusable components.

Team Work & Delivery (~4+ years)
Introduced code review and improved workflows, increasing code quality and team consistency.
Reduced production issues and improved release stability.
Worked with product and design to align technical decisions with business goals.
Involved in hiring and mentoring engineers to help scale the team.

Cybersecurity & Data Products (~3.5 years)
Worked on tools for threat investigation and detection analysis.
Built a browser extension for working with multiple systems in one place, improving visibility and
reducing analysis time.
Implemented features such as MITRE ATT&CK mapping and data aggregation.

Full-Stack & Integrations (~10+ years)
Worked across frontend and backend depending on project needs.
Designed and implemented APIs. Handled integrations and data flow between services.
Delivered end-to-end features, ensuring frontend and backend alignment.
Contributed to backend logic and performance improvements.
Participated in architectural decisions across the system.