Custom Web Development
From business websites to complex web portals—responsive, SEO-optimized, and performance-focused using modern technologies like React and Next.js.
See Examples →
RossLab · React & SwiftUI Developer · Barcelona Based · Ready to Build Your Vision
I Craft Modern Digital Experiences
I Craft Modern Digital Experiences
With Passion & Precision
Skilled React and SwiftUI developer ready to bring your ideas to life. I focus on clean code, beautiful design, and seamless user experiences. Building my portfolio with exceptional quality work at competitive rates.
Explore my portfolio of web development and mobile app projects with real business results
.svg){kind=small}
.svg){kind=small}
What I Bring to Your Project
Modern
Tech Stack
Clean
Code Quality
Fast
Performance
3
Languages Spoken
"Starting fresh means I'm hungry to prove myself. Every project gets my absolute best effort, latest technologies, and complete dedication to your success."
"I invest heavily in learning the latest technologies and best practices. Your project benefits from cutting-edge approaches and modern development standards."
"No legacy constraints, no shortcuts. I build everything from scratch with clean, maintainable code that will serve your business for years to come."
What I Do
iOS App Development
Native iOS applications built with SwiftUI—smooth user experiences, offline capabilities, and App Store ready. Android development coming soon.
See Examples →
Web Applications
Full-stack web applications, SaaS platforms, and data visualization dashboards—scalable architectures with modern UI/UX design principles.
See Examples →Transparent Pricing
Choose the package that fits your project needs. No hidden fees, clear deliverables.
Quick Refresh
€
150
Perfect for small updates
- ✓Hero & key page polish
- ✓Readability & contrast improvements
- ✓Basic SEO optimization
- ✓2-3 day turnaround
Most Popular
Growth Bundle
€
300
Complete landing page redesign
- ✓Full landing page redesign
- ✓Local SEO setup & optimization
- ✓Lead capture form integration
- ✓Mobile optimization
- ✓1-2 week delivery
Full Suite
€
450
Complete business transformation
- ✓Multi-page website rebuild
- ✓Advanced SEO & Google Business
- ✓WhatsApp/Email automation
- ✓Analytics & tracking setup
- ✓1-month post-launch support
Need Something Custom?
Full web applications, restaurant systems, iOS apps, or complex integrations.
Starting at 40 €/hour or we can discuss a fixed quote for your project.
How We Work Together
Simple, transparent process. No surprises, just results.
Free Consultation
30-minute call to discuss your project goals, requirements, and timeline. I'll assess your needs and provide initial recommendations.
Duration: 30 minutes
Custom Proposal
Detailed proposal with project scope, timeline, pricing, and deliverables. Everything clearly outlined so you know exactly what to expect.
Delivered within: 24 hours
Development & Updates
Regular progress updates via your preferred communication channel. Weekly demos, milestone reviews, and constant feedback loops.
Progress updates: Weekly
Launch & Support
Smooth deployment, testing, and 30-day support period. Plus documentation and training so you can manage updates independently.
Support: 30 days included
Ready to get started?
Book your free consultation and let's discuss your project
Schedule Free Consultation →
Latest Insights
Thoughts on web development, technology trends, and building digital products
React
React vs Vue.js: Which Framework to Choose for Your 2025 Project
A comprehensive comparison of React and Vue.js for modern web development. Explore performance, ecosystem, learning curve, and real-world use cases to make the best choice for your next project.
Performance
Web Performance Optimization: Complete Core Web Vitals Guide
Master Core Web Vitals optimization techniques to improve your website's Google rankings. Learn about LCP, FID, CLS, and practical implementation strategies with real examples.
iOS
iOS App Development with SwiftUI: Best Practices for Beginners
Essential SwiftUI patterns, data management techniques, and performance optimization tips for building your first iOS app. Includes common pitfalls and how to avoid them.
The Developer Ready to Prove Himself
Hey there! I'm Rostislav (Ross) Sevastianov – a passionate developer ready to turn my skills into your success story. Based in Barcelona but available for clients across Europe, I bring together multicultural perspective (fluent in English, Spanish, and Russian) with modern development expertise.
💡 My Philosophy: Quality Over Quantity
I'm building my freelance career with one principle: deliver exceptional value on every single project. Starting fresh means I can focus entirely on modern best practices, latest technologies, and giving each client my complete attention and dedication.
🚀 Why Choose a Rising Developer
While I'm new to freelancing, I bring fresh energy, current knowledge, and hunger to prove myself. You get cutting-edge development skills, competitive rates, and a developer who will go above and beyond to make your project a success because your success builds my reputation.
🌍 Beyond the Code
When I'm not optimizing Core Web Vitals or crafting SwiftUI interfaces, you'll find me playing tennis, exploring Barcelona's incredible food scene, or diving into economics and philosophy. This diverse perspective helps me approach every project with fresh eyes and creative solutions.
Performance-Obsessed
Every site loads fast and feels smooth
Results-Driven
Success measured by business outcomes
Transparent Process
You always know where we stand
React
JavaScript
TypeScript
SwiftUI
Node.js
HTML5
CSS3
Next.js
Firebase
PostgreSQL
Technologies I Master
Modern tech stack for scalable, high-performance applications
Frontend Development
React
Expert
SwiftUI
Expert
TypeScript
Advanced
Next.js
Advanced
Styling & Design
Tailwind CSS
Expert
CSS3/SCSS
Expert
Responsive Design
Expert
Accessibility
Advanced
Backend & Database
Firebase
Advanced
PostgreSQL
Intermediate
Node.js
Intermediate
REST APIs
Advanced
Tools & Deployment
Netlify
Advanced
Analytics
Intermediate
SEO Optimization
Advanced
Performance
Expert
Frequently Asked Questions
Common questions about React & SwiftUI development services
What technologies do you specialize in for web development?
I specialize in React, Next.js, TypeScript, and modern JavaScript frameworks for web development. For iOS apps, I use SwiftUI and native iOS development. I also work with Firebase, Tailwind CSS, and create Progressive Web Apps (PWAs) for optimal performance and user experience.
How long does it take to build a website or mobile app?
Project timelines vary based on complexity. A basic business website typically takes 2-3 weeks, while a complex web application or iOS app can take 6-12 weeks. I focus on delivering projects in manageable phases to ensure quality and faster time-to-market.
Do you work with clients outside of Barcelona?
Yes, I work with clients throughout Spain and Europe. Most of my work is done remotely, with regular video consultations and project updates. I'm fluent in English and Spanish, making communication seamless for international projects.
What makes your React and SwiftUI development different?
I focus on performance optimization, modern best practices, and user experience. My projects typically achieve 40%+ improvements in key metrics like page load speed, user engagement, and conversion rates. I also prioritize clean, maintainable code and comprehensive testing.
What languages do you speak for international projects?
I'm fluent in English, Spanish, and Russian (native). This multilingual capability allows me to work effectively with clients across Europe, Latin America, and Eastern European markets. All project communication, documentation, and support can be provided in any of these languages.
Do you provide ongoing support and maintenance?
Yes, I offer comprehensive post-launch support including bug fixes, performance monitoring, security updates, and feature enhancements. Most clients choose ongoing maintenance packages to keep their applications running smoothly and up-to-date with the latest technologies.
What's included in your development process?
My process includes initial consultation, project planning, UI/UX design, development, testing, deployment, and post-launch support. I provide regular updates throughout the project and ensure all deliverables meet modern web standards, accessibility guidelines, and SEO best practices.