Senior Software Engineer | API Enterprise | Full-Stack

DeepL
London
Workplace: HybridFull timeFunction: Software EngineeringSkills: ["Communication","Cross-team collaboration","Leadership","System design","Operational excellence"]

Own features that drive enterprise adoption of the API, including usage insights, cost controls, governance tooling, RBAC, compliance, and data residency. Build reliable backend services end-to-end, participate in API on-call, and push for “four nines” reliability through contract testing, monitoring, and SLOs. Collaborate across DeepL’s enterprise ecosystem to ship cohesive capabilities, leveraging strong system design and scalable C#/.NET expertise.

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FursaFursa
DeepL
DeepL
1 week ago

Senior Software Engineer | API Enterprise | Full-Stack

✓ Verified Job

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Source: Company careers pageValidated by: Fursa AI
Last checked: 20 hours agoStatus: Live

Job Summary

Own features that drive enterprise adoption of the API, including usage insights, cost controls, governance tooling, RBAC, compliance, and data residency. Build reliable backend services end-to-end, participate in API on-call, and push for “four nines” reliability through contract testing, monitoring, and SLOs. Collaborate across DeepL’s enterprise ecosystem to ship cohesive capabilities, leveraging strong system design and scalable C#/.NET expertise.
Location: London
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Drive enterprise API adoption by owning features like usage insights, cost/consumption controls, and governance tooling.
  • •Design governance and compliance controls for enterprise IT and security admins, including roles/permissions, projects, data residency, and audit-ability.
  • •Own services end-to-end, participate in the API on-call rotation, and improve reliability via contract testing, monitoring, and SLOs.
  • •Architect and ship cohesive enterprise capabilities by navigating dependencies across technical and organizational structures.
  • •Work across stakeholder teams to deliver secure, compliant, production-ready enterprise API functionality.

Pay and Benefits

Perks:Annual LeaveHealth InsuranceHybrid Work

Key Requirements

  • •Treat enterprise IT and security admins as primary users and communicate clearly to shape product decisions around governance, compliance, cost control, and data residency.
  • •Deep expertise designing scalable backend systems, RESTful APIs, and distributed architectures, primarily in C# / .NET, with production experience.
  • •Strong API design and system design fundamentals, with comfort owning end-to-end service reliability and incident learnings.
  • •Hands-on experience with modern enterprise API building blocks such as MCP, CLIs, and OAuth to build secure, extensible integrations.
  • •Track record leading projects across multiple teams and aligning stakeholders while managing dependencies and contracts.
Skills:CommunicationCross-team collaborationLeadershipSystem designOperational excellence
Tech Stack:C#.NETRESTful APIsReactTypeScriptMCPCLIsOAuthClaude CodeCodexGitHub CopilotNVIDIA DGX SuperPODsSLOsMonitoring

Company Brief

DeepL
DeepL builds Language AI products (DeepL Translator, DeepL Write, APIs and enterprise solutions) that provide high-accuracy translations and writing assistance to businesses and individuals, focusing on privacy, security and enterprise deployment.
Industry: AI & Machine Learning
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series D
Headquarters: Cologne, Germany
Founded: 2017
Glassdoor
Glassdoor: 3.5
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