Senior Full-Stack Engineer - AI-Driven Platform

Deepl; Greater London; Hybrid; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Hybrid work schedule

Virtual Shares

30 days annual leave

Monthly hack Fridays

In-person team events

Competitive benefits

Job summary

DeepL is seeking a Senior Engineer to own revenue-critical systems from design to production, balancing reliability with speed. You’ll work across core product platforms, voice APIs, and the billing engine in a high-performance engineering culture.

You will leverage C#/.NET Core, Python, Kubernetes, and React while applying pragmatic, business-focused decisions. A hybrid work model and competitive benefits accompany the role.

Qualifications

• Proven ability to design and ship revenue-critical systems at scale.
• Experience with modern backend/frontend stacks and cloud-native architectures.
• Ability to translate technical constraints into business trade-offs.

Responsibilities

• Own the Outcome, Not Just the Code and drive the full lifecycle from design to production reliability.
• Architect for ambiguity and make high-stakes technical decisions with incomplete information.
• Bridge the gap between Engineering and Business by communicating trade-offs to Product Managers.

Skills

C#/.NET Core

Python

Kubernetes

React

System Thinker

High Agency

Tools

DGX SuperPODs

GitHub Copilot

Claude

Job description

DeepL is seeking a Senior Engineer to own revenue-critical systems from design to production, balancing reliability with speed. You’ll work across core product platforms, voice APIs, and the billing engine in a high-performance engineering culture.

You will leverage C#/.NET Core, Python, Kubernetes, and React while applying pragmatic, business-focused decisions. A hybrid work model and competitive benefits accompany the role.