Introduction
Full Stack Developer
Building robust, high-performance web applications with a focus on exceptional user experience and clean component architecture. Specializing in modern frontend frameworks like React and Next.js, combined with reliable backend integration, I transform complex tech requirements into scalable SaaS platforms, e-commerce ecosystems, and robust corporate solutions. Engineered for speed, maintainability, and long-term business growth.
About Me
Biography
A Full-Stack Software Engineer with over 6 years of commercial experience, specializing in the React, Next.js, and TypeScript ecosystems. My expertise lies in architecting predictable state management architectures and optimizing web performance. I combine deep technical precision with a product-driven mindset: I don’t just write clean code, I engineer reliable tools that solve real-world problems. Based in Germany, I thrive in ambitious, agile teams that value engineering excellence, technical ownership, and proactive collaboration.
| Name | Serhii Iver |
|---|---|
| Age | 36 |
| Address | Germany (Cologne) |
| kontakt@iverlabs.de | |
| Languages | Ukrainian, English, German |
Frontend Engineer
Software MacKiev
( July 2021 — Present )• Worked on a high-load commercial product, including optimization, implementation of new features, and refactoring.
Technologies used:
• Frontend: ReactJS (Redux Toolkit, React Query), TypeScript, CSS Modules, Jest, Enzyme, React Testing LibraryFrontend Engineer
Astarios GmbH
( Jan 2021 — July 2021 )• Developed a set of interfaces displaying aggregated, impersonal consumer preference data for popular product categories.
Technologies used:
• Frontend: ReactJS (Redux, Hooks), TypeScript, Ant Design, CSS Modules, Chart.js.Frontend Engineer
RadiOn LLC
( Feb 2018 — Nov 2020 )• Implemented multi-interface management using WebSockets.
• Integrated and worked with map services(Leaflet API).
• Development of an update system
Technologies used:
• Frontend: JavaScript, HTML5/CSS3, ReactJS (Redux), NextJS, Bootstrap.
• Backend: Node.js, MongoDB.Full Stack Developer
SERP.UA
( Feb 2014 — Aug 2014 )• Developed and maintained projects of varying complexity using CMS.
• Modified WordPress modules.
• Configured and supported web servers.
Technologies used:
• PHP, JavaScript, jQuery.
• CMS: WordPress, Joomla, OpenCart, PrestaShop.
Bachelor of Computer Science and Cybernetics
National Aviation University
( 2007 — 2012 ) · KyivA strong engineering foundation with a primary focus on software development, object-oriented programming, clean code practices, and system architecture.
Core Tech Stack
Mobile Development
State & Data Management
Backend & Databases
Infrastructure & Tools
Styling & UI Libraries
Languages
A software engineer with a focus on modern web technologies, clean architecture, and well-designed user interfaces. Open for project-based collaboration, custom web application development, and consulting.
Senior / Lead Frontend Engineer
High-Load Enterprise Web Platform Modernization
Senior / Lead Frontend Engineer
High-Load Enterprise Web Platform Modernization
A high-traffic commercial web platform with thousands of daily active users was suffering from performance degradation and high technical debt. The legacy codebase (pure JavaScript) slowed down feature onboarding, while a lack of automated deployment led to frequent manual errors.
Full-Stack Developer
Real-Time Geospatial & Mission-Critical Control System
Full-Stack Developer
Real-Time Geospatial & Mission-Critical Control System
The project required developing a large-scale, high-security specialized management system. The core challenge was ensuring sub-second, multi-interface data synchronization across operator stations combined with high-precision real-time geospatial data tracking.
Frontend Engineer
Big Data Analytics & Consumer Insights Dashboard
Frontend Engineer
Big Data Analytics & Consumer Insights Dashboard
The goal was to build an enterprise-level analytical suite capable of processing and visualizing massive arrays of aggregated, impersonal market preference and consumer behavior data without causing UI lag or performance drops.
Full-Stack / Backend Developer
High-Performance Billing Architecture
Full-Stack / Backend Developer
High-Performance Billing Architecture
The financial core and billing control panel of a high-volume web portal faced database bottlenecks and architectural limitations, restricting transaction scalability and making feature expansion high-risk.
Senior Full-Stack / Mobile Engineer
Mobile Application for Asset Tracking
Senior Full-Stack / Mobile Engineer
Mobile Application for Asset Tracking
A German enterprise client in the construction and handicraft sector (Mittelstand) required a dedicated iOS and Android mobile solution to eliminate financial losses from tool misplacement across building sites. The core technical requirement was guaranteeing absolute data synchronization and rapid scanning capabilities on field devices under severe offline conditions.
Cost Estimate
Interactive Calculator
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Blog
Latest Articles
June 2, 2026
TypeScript Mistakes Every Developer Makes (And How to Fix Them)
May 12, 2026
The Ultimate Next.js SEO Checklist: SSR, Dynamic Sitemaps, and Core Web Vitals
April 5, 2026
PostgreSQL Query Optimization: Explains, Covering Indexes, and Autovacuum Tuning
March 10, 2026
Advanced CSS Debugging: Stacking Contexts, Flexbox Quirks, and Viewport Bugs
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