CareerPlan

Senior Fullstack Engineer (B2B SaaS Startup)

BerlinFull-time2026-05-05 → 2026-11-10
Hybrid

Core

Building a B2B SaaS web application that automates product classification and customs compliance using AI.

Role type

Senior Fullstack Engineer (B2B SaaS)

Builds

Web application features for international trade customs compliance

Domain

B2B SaaS, International Trade, AI

Deliverable

production ML models

Required skills

TypeScript, React, Node.js, GraphQL/REST, Postgres, AI tools, automated testing, CI/CD

Preferred skills

Advanced type-level programming, mentoring, DevOps, AI Engineering

Technologies

TypeScript, React, Node.js, GraphQL, REST, Postgres

Responsibilities

Own end-to-end delivery of new features and improvements; Write client-side and server-side TypeScript; Tackle complex UI challenges and optimize for performance; Work alongside designers to shape user flows; Partner with AI engineers to bring research into production; Set and uphold high standards for code quality and architecture; Design and maintain robust automated tests; Select and configure tooling for developer experience and CI/CD; Share expertise through code reviews and mentoring.

Seniority

Senior, hands-on IC