Full Stack Engineer

Hiring : Senior full-stack + ui / ux developer (mobile + web + backend) – freelance | Brainac

Brainac is building a next-generation social + utility platform designed for scale, speed, and a world-class user experience.

We’re looking for a design-driven senior full-stack developer who can own the entire product pipeline—from polished UI to rock-solid backend.

This role is for someone who blends engineering + product design and can transform raw ideas or wireframes into beautiful, intuitive, high-performance experiences .

What We’re Looking For A senior developer with deep proficiency in :

Frontend (Web) Next.js 14+ (App Router, Server Actions, RSC)

Strong command of React , TypeScript, Zustand / Redux, TailwindCSS

Pixel-perfect UI implementation from Figma or raw sketches

Exceptional UI / UX intuition — animations, hierarchy, transitions, micro-interactions

Mobile (Expo / React Native) Expo Router , Native Modules, Push Notifications

High-performance mobile UI patterns and responsive layouts

Ability to replicate native-feel fluidity using Reanimated, Gesture Handler, etc.

Backend Node.js + TypeScript

REST APIs, Authentication (Firebase / Auth / Custom JWT), Role-based access

Drizzle ORM, PostgreSQL, scalable architecture

Clean code, error handling, security best practices

DevOps / Deployment CI / CD pipelines, Docker, VPS / server deployment

Experience with Vercel, Cloudflare, Firebase, PM2, Nginx / Apache

Ability to optimize bundle size, speed, SEO, caching