26.10.2026 aktualisiert
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Senior React / TypeScript / Next.js Engineer | Frontend Architecture & Code Quality
Berlin, Deutschland
Weltweit
Completed coursework of Information Systems BAÜber mich
Senior Frontend Engineer (5+ yrs) – React, TypeScript, Next.js. Specialised in architecture, performance, testing (Playwright/Cypress) and making AI/vibe-coded apps production-ready. High-traffic & banking experience. Available immediately – remote EU/Berlin.
Skills
JavaScriptAgile MethodologieHTML5CSSNode.jsMaterial DesignNext.jsTypeScriptTailwindReact.jsCypressGitPlaywrightFull Stack EntwicklungFront End
I work on the full lifecycle of modern web applications:
• New feature development and complete frontend implementation
• Architecture and scalable component systems
• Performance optimisation
• Automated testing (Playwright, Cypress, Jest)
• Code quality, technical debt reduction and maintainability
• Rescue and stabilisation of existing or unreliable applications
Experience includes high-traffic platforms used by millions of users and banking/financial systems with strict quality requirements.
Through Batista Consulting I offer flexible freelance and consulting work — from focused development tasks to short audits and longer collaborations.
Available immediately for remote projects (EU / Berlin-based).
English: Fluent | German: Basic
Erfahrung
Berufserfahrung5 - 10 Jahre
Freelancer seit2025
Sprachen
DeutschGrundkenntnisseEnglischverhandlungssicherPortugiesischMutterspracheSpanischgut
Projekthistorie
React, TypeScript, Next.js. Owned complex UI features, testing strategy and code quality in a consulting environment.
Banking & Financial Services. Developed and maintained high-security React/TypeScript portals with strong focus on quality, testing and performance
Large-scale ticketing and event platform serving millions of users. React, TypeScript, high-traffic optimisation and reliable user experience under peak load.