DeepL

Senior Software Engineer | Enterprise | Full-Stack

DeepL
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2 months ago
London, United KingdomSenior

Responsibilities

  • Design and ship revenue-critical enterprise features such as enterprise licensing and automated seat provisioning.
  • Build React-based admin tools that allow CIOs and IT directors to manage DeepL for their organizations.
  • Implement distributed billing logic in C#/.NET with immutable ledgers and reliable financial data.
  • Translate backend constraints such as RBAC and rate limits into clear user-facing workflows.
  • Partner with Sales, Product, and Finance to turn annual recurring revenue goals into scalable technical architectures.
  • Improve billing reconciliation, API documentation, and other engineering processes while maintaining system resilience.

Requirements

  • Demonstrated full-stack fluency across React frontends and C#/.NET backend systems.
  • Interest in enterprise B2B SaaS domains including identity management, SAML/SSO, monetization, and compliance.
  • Ability to design reliable, auditable, idempotent, and resilient billing and financial systems.
  • Product-first mindset focused on customer journeys and enterprise outcomes.
  • Ability to collaborate with Engineering, Sales, Product, and Finance.
  • Comfort using AI-powered tools such as GitHub Copilot or Claude for development acceleration, testing, and debugging.

Benefits

  • Hybrid work with flexible hours and team members coming into the office twice a week.
  • Virtual Shares for every employee.
  • Regular in-person team and business unit events.
  • Monthly full-day Hack Fridays.
  • 30 days of annual leave excluding public holidays.
  • Mental health resources and location-tailored benefits.
  • Internationally distributed team across the UK, Germany, the Netherlands, Poland, the US, and Japan.

Tech Stack

C#.NETReact
DeepL

About DeepL

1,001-5,000 employees

DeepL builds AI language tools, including the DeepL Translator web and mobile apps, an API for developers, writing assistance, and real-time voice translation for individuals and global businesses. It sells subscriptions and API usage to companies that need high-quality multilingual communication. Founded in 2017 and headquartered in Cologne, Germany, DeepL serves over 200,000 business customers across more than 200 markets.

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