IT & Software

Senior Software Engineer | API Enterprise | Full-Stack

DeepL

London · Greater London · United Kingdom

Overview

In this role, you will contribute to DeepL's Enterprise API strategy by building scalable, governance-driven backend features that enable trusted, large-scale adoption. You will partner with cross-functional teams to deliver secure, compliant, and observable API capabilities for enterprise customers. You’ll drive reliability and safety of the public API while shaping the enterprise experience within a rapidly evolving product-first environment. This is an opportunity to influence how global organizations integrate and govern language AI at scale.

Pay / Benefits
  • Hybrid work
  • Flexible hours
  • Virtual Shares
  • 30 days of annual leave
  • Hack Fridays
  • Mental health resources
Responsibilities
  • Own features that convert enterprise interest into durable adoption (usage insights, cost controls, governance tooling)
  • Design controls for governance and compliance (roles/permissions, projects, data residency, auditability)
  • Own services end-to-end, participate in API on-call, target four nines reliability with tests, monitoring, and SLOs
  • Architect across the enterprise ecosystem, coordinating dependencies across teams to ship cohesive capabilities
Key requirements
  • Enterprise-first mindset and strong communication to earn trust of IT and security admins
  • Backend mastery at scale in C# / .NET, design of RESTful APIs and distributed systems
  • Hands-on experience with enterprise API building blocks (MCP, CLIs, OAuth) and secure integrations
  • Cross-team leadership and ability to manage contracts and dependencies
  • Extreme ownership of production operations, incident response, and reliability goals
  • Experience with AI-powered tooling to accelerate delivery
  • strong communicator
  • cross-team leadership
  • ownership mentality
  • C# / .NET backend design
  • RESTful APIs and distributed systems
  • SLOs, monitoring, and contract testing

Reference: WJ-747_30185897

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