Senior Full-Stack Engineer – AI & Digital Platforms

Jobtailor; Berlin; Vor Ort; EUR 90.000 - 130.000; Vollzeit

Zusammenfassung

Jobtailor in Berlin is seeking a senior frontend engineer who can own features from idea to live release. You will work with TypeScript, Next.js 15+, React 19+, and PostgreSQL (Drizzle/Prisma) to build scalable, GDPR-compliant applications hosted in the EU.

You will regularly use AI agents to accelerate development, measure success by user outcomes, and maintain high-quality code with comprehensive test coverage. Fluency in English and native German required for documentation and collaboration.

Qualifikationen

• Proven experience shipping complex software end-to-end.
• Fluent English and German at a native level for documentation and collaboration.
• Regular use of AI agents to accelerate development and improve velocity.

Aufgaben

• End-to-end ownership: From vague idea to live release.
• AI-driven development: Set standards for using coding agents and configure MCP servers to maximize developer velocity.
• Zero-compromise quality: Deliver 100% test coverage for critical processes and define SLOs.
• Architecture & compliance: Design GDPR-compliant systems hosted in the EU, and document decisions via ADRs.

Kenntnisse

TypeScript

Next.js

React

PostgreSQL

Tools

Drizzle/Prisma

Jobbeschreibung

Responsibilities

• End-to-end ownership: From vague idea to live release. Independently plan, build, and test features.
• AI-driven development: Set the standards for using coding agents (Claude, Cursor) and configure MCP servers to maximize developer velocity.
• Zero-compromise quality: Deliver 100% test coverage for critical processes (Playwright), define SLOs, and take ownership of incident responses.
• Architecture & compliance: Design GDPR-compliant systems hosted in the EU, and document decisions via ADRs.

Requirements

• Fluent in TypeScript, Next.js 15+ / React 19+, and PostgreSQL (Drizzle/Prisma).
• Proven experience shipping complex software end-to-end, ideally in high-performance or startup environments.
• Regular, day-to-day use of AI agents — know when they accelerate the process and when they become a hindrance.
• Measure success by measurable user outcomes, not by lines of code.
• Excellent English (C1+) for asynchronous documentation and business-fluent German at native-speaker level.

Core Competencies

Demonstrates expertise in end-to-end software development, focusing on AI-driven solutions and GDPR-compliant architecture. Proficient in TypeScript, Next.js, and PostgreSQL, with a strong emphasis on quality assurance and measurable user outcomes.