Senior Backend Architect for AI-Powered Pricing Platform

Lemonade; Amsterdam; Presencial; EUR 120.000 - 160.000; Jornada completa

Descripción de la vacante

Lemonade, Amsterdam-based, is seeking a Senior Backend Engineer to build core pricing systems for millions of customers. You’ll work in our Pricing Team, bridging analytics and high-performance engineering with our homegrown DSL and AI-powered pipelines.

You’ll design scalable architectures in TypeScript, Rust, and Python, partner with actuaries, and drive performance improvements while shaping the interfaces and patterns that other teams reuse.

Formación

• 10+ years of experience building backend systems.
• Experience in system design and architectural decision-making beyond API development.
• Proficiency in one backend language (TypeScript, Rust, or Python) and ability to learn the others quickly.
• Track record of designing complex systems from scratch, with clear interfaces and abstractions.
• Experience building performance-optimized systems where choices impact business outcomes.

Responsabilidades

• Design and build core rating services that calculate prices for products used by millions.
• Architect systems across TypeScript, Rust, and Python, each solving a different kind of problem.
• Build AI-powered research pipelines that help actuaries discover new pricing patterns.
• Create SDKs and code patterns that other teams can build on.
• Optimize performance-critical systems where milliseconds shape the customer experience.
• Partner with actuaries to turn complex mathematical models into scalable code.
• Lead technical decisions on architecture, interfaces, and design patterns.

Conocimientos

Backend architecture

TypeScript

Rust

Python

System design

Educación

Bachelor's degree in Computer Science or Engineering

Descripción del empleo

Lemonade, Amsterdam-based, is seeking a Senior Backend Engineer to build core pricing systems for millions of customers. You’ll work in our Pricing Team, bridging analytics and high-performance engineering with our homegrown DSL and AI-powered pipelines.

You’ll design scalable architectures in TypeScript, Rust, and Python, partner with actuaries, and drive performance improvements while shaping the interfaces and patterns that other teams reuse.