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storybob

Dmytro

@storybob

React Nextjs Developer

Ukraine
English, Ukrainian, Russian
About me
Hi! I'm Dmytro, a Frontend Developer with 3+ years of commercial experience. I help clients fix bugs, improve performance, and build modern web applications using React and Next.js. What I can do for you: – fix frontend bugs quickly – add new features to your app – build responsive UI – improve performance and code quality Tech stack: React, Next.js, TypeScript, Tailwind CSS, REST API I focus on clean code, fast delivery, and clear communication. Feel free to message me before ordering!... Read more

Skills

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storybob
Dmytro
Offline • 
Average response time: 1 hour

See my services

Bug Fixes
I will fix bugs in your react or nextjs app quickly
Full Stack Web Applications
I will add new features to your react or nextjs application

Portfolio

Work experience

Fiverr

Fiverr

Full-time • 2 yrs 3 mos

Full-stack Engineer

Mar 2025 - Present1 yr 4 mos

Worked at Svitla Systems Developed scalable web apps, designed REST APIs, and delivered products from MVP to release in Agile teams. Career Portal (React, Redux Toolkit Query, NestJS, Docker, MySQL, TypeORM): Refactoring: Spearheaded architectural refactoring, eliminating duplicated code to boost codebase maintainability and onboarding speed. Features: Led UI/UX redesign and built content management tools (jobs, skills), increasing admin panel efficiency by 25%. Auth & Search: Integrated LinkedIn SSO and built persistent multi-criteria user filtering for secure, optimized search. MVP: Contributed to a successful MVP launch, accelerating subsequent feature delivery. Agent Portal (Next.js, Tailwind CSS, shadcn/ui, NextAuth.js, Zod, TanStack Query): UI Redesign: Developed 10+ new pages, enhancing platform usability and visual consistency. Onboarding: Engineered an end-to-end user registration flow, reducing user drop-off rate by 15%. Code Quality: Conducted 30+ code reviews, reducing post-release UI bugs by 20%. Demos: Delivered successful live product presentations and tech demos to clients and stakeholders. Company Website (React, TypeScript, WordPress, CSS): Maintained corporate site ensuring 99.9% uptime and smooth cross-browser performance. Developed interactive UI features, including dynamic SVG maps and secure file attachments for job applications.

Angular developer

Nov 2024 - Mar 20254 mos

Worked at SoftServe Reusable Architecture: Engineered and maintained a library of highly scalable, reusable UI components following clean code principles, cutting frontend development time for new features by 20%. Performance Optimization: Significantly improved enterprise application performance by optimizing Angular's Change Detection strategies (OnPush) and rendering profiles, resulting in a 25% reduction in initial page load times. Full-Stack Collaboration: Collaborated closely with Node.js/Express backend engineers on REST API design, ensuring seamless data contracts, efficient payload sizes, and optimal integration with asynchronous frontend workflows (RxJS). Code Quality & Stability: Conducted rigorous code reviews and authored comprehensive unit test suites, reducing post-release production bugs by 15% within a large-scale enterprise ecosystem. Agile Delivery: Actively participated in all Agile/Scrum ceremonies (sprints, stand-ups, retrospectives), consistently delivering production-ready features within estimated deadlines

Angular developer

Apr 2024 - Nov 20247 mos

Worked at Adaptive Web Intelligence Solutions Interactive Tooling: Engineered a custom, performance-optimized web-based image editor from scratch, enabling seamless client-side image manipulation and processing. AI Integration: Integrated external AI models and APIs for real-time image generation, managing heavy data payloads and asynchronous workflows with resilient loading and error states. Performance & State: Optimized browser rendering performance for large image datasets and implemented robust state management with advanced retry logic. Cross-Functional Collaboration: Partnered closely with AI research engineers and backend developers to architect clean API responses, ensuring minimum latency and seamless UI integration