About
Learn more about my background and expertise.
Aleksandr Alekseev
Full-Stack Software Engineer
I'm a 19-year-old software engineer based in Hamburg, Germany, passionate about building elegant, performant web applications. Currently studying Computer Science at TUHH, I combine academic rigor with practical experience in modern web development.
Age
19
Location
Hamburg, Germany
Education
TUHH
Languages
Education & Experience
Education
TUHH — Technische Universität Hamburg
2025–2028Bachelor in Computer Science
Ongoing degree program focused on computer science fundamentals and advanced software engineering.
Studienkolleg Hamburg, T-Kurs
2024–2025Preparatory Technical Track
Intensive preparation in mathematics, physics, computer science, and engineering fundamentals.
Lyceum No. 3, Irkutsk
2012–2024Advanced Secondary Education
Specialized curriculum with emphasis on mathematics and natural sciences.
Work Experience
Frontend Developer
Freelance / Project Work
- →Migrated pokerocheck.ru from legacy React SPA to modern Next.js SSR architecture
- →Improved SEO, performance, and code structure through architectural refactoring
- →Rebuilt UI components, optimized routing, and refactored state management
- →Introduced best practices for scalability and maintainability
Indie Developer
Personal Projects
- →Built d1lemma: open-source task manager with integrated rich-text editor and local-first architecture
- →Developed Relinxr: SaaS link analytics tool with authentication, dashboard UI, and data aggregation
- →Designed and shipped utilities and tooling projects using React, TypeScript, Node.js, MongoDB, and Next.js
Freelance & Professional Experience
Frontend & Full-Stack Developer — Freelance / Remote
2023 — Present
Worked with startups, personal brands, and small businesses to design and deliver modern, high-performance web solutions. Consistently focused on product quality, user experience, and measurable business outcomes.
Key Achievements
Modernization of Legacy Websites
Migrated and refactored large production codebases from outdated frontends to cutting-edge technologies (Next.js, React Server Components, SSR), improving SEO rankings, speed, accessibility, and overall maintainability.
Performance-First Development
Optimized page load times by up to 60%, reducing unused bundle size and implementing caching strategies and incremental data fetching.
Custom Dashboard & Analytics Tools
Designed and built interactive dashboards for link analytics and conversion tracking with dynamic charts, filtering, and real-time data aggregation (Relinxr).
Secure Authentication & Scalable Architecture
Implemented role-based access control, secure sessions, and database-driven workflows using MongoDB, Prisma, JWT tokens and NextAuth.
UI/UX Design from Scratch
Created fully responsive UI systems with cohesive design language, component libraries, consistent spacing, animations, and dark/light theme support.
Open-Source Tooling & Editors
Developed an open-source task manager (d1lemma) with a built-in rich-text editor, offline support, and local-first privacy-focused architecture.
Client Collaboration & Delivery
Led technical decisions, consulted on product features, provided prototypes and Figma mockups, ensured smooth deployment to Vercel, and supported long-term maintainability.
SEO & Accessibility Enhancements
Applied semantic HTML, ARIA roles, structured metadata, and server-rendered pages — improving discoverability and inclusive UX.
Core Capabilities
Delivered clean codebases, realistic deadlines, product-oriented thinking, business-focused problem-solving, and strong communication with clients. Each project is approached with attention to detail, scalability, and long-term maintainability.
Skills & Expertise
Frontend
- React
- Next.js
- TypeScript
- Tailwind CSS
- Redux
Backend
- Node.js
- Next.js Route Handlers / API
- MongoDB
- REST APIs
- JWT Auth
DevOps & Tools
- Git
- GitHub
- CI/CD
Design & UX
- UI Design
- Component Architecture
- Accessibility
- Performance optimization
- Mobile-First