Senior Full Stack Developer React/FastAPI/Django (Frontend-Affinity) (m/f/d)

Get Mika • Berlin, Berlin • Posted May 31, 2026

Position Overview

mika is revolutionizing financial management for small businesses with an AI-powered platform that combines automated accounting, proactive insights, and conversational AI. We're on a mission to make expert financial navigation and compliance accessible to every small business owner – dramatically reducing costs and bureaucratic burden. We're a small, senior team shipping fast, and every line of code we ship matters.


Our stack: FastAPI & Django backend, React frontend (Material UI, react-query), PostgreSQL, AWS. We build agentic AI systems that do real accounting work.


Tasks


We need a Senior Full-Stack Developer who leans frontend – someone who makes our product look and feel as good as it works under the hood.


You'll own features end-to-end. That means you think through the entire user flow, edge cases, error states, and architecture before you start building. You work with high autonomy and take real ownership – we t...