CareerPlan

Fullstack Next.js / React Developer (m/w/d) – AI-powered & agentic

Berlin, BERLINRemoteFull-time2026-02-19 → 2026-11-10
Hybrid

Core

Fullstack developer building a tax optimization and estate planning platform using AI-powered agentic workflows to accelerate feature development and product delivery.

Role type

Senior Fullstack Developer (Next.js/React/AI)

Builds

TaxTech SaaS platform for wealth transfer and succession planning

Domain

FinTech / TaxTech

Deliverable

production ML models

Required skills

Next.js, React, PostgreSQL, AI-powered coding tools (Cursor, Claude Code, Copilot, Aider), agentic workflows, schema design, complex queries, performance optimization

Preferred skills

Startup mindset, proactive problem solving, high learning velocity

Technologies

Next.js, React, PostgreSQL, Cursor, Claude Code, GitHub Copilot, Aider

Responsibilities

Fullstack development with Next.js, React, and PostgreSQL; Implement AI-supported coding and agentic workflows; Integrate AI features for scenario analysis and optimization; Participate in agile sprints for rapid releases

Seniority

Senior, hands-on IC