Senior Software Engineer | API Enterprise

DeepL
London
Workplace: HybridFull timeFunction: Software EngineeringSkills: ["Enterprise-first mindset","Cross-team leadership","Extreme ownership","Operational excellence","Clear communication"]

Own key capabilities that drive enterprise adoption of the DeepL API, including usage insights, cost/consumption controls, and governance tooling. Build secure, extensible backend services for roles/permissions, data residency, and auditability so enterprise IT and security teams can confidently approve usage. Ensure end-to-end reliability through on-call, contract testing, monitoring, and SLOs while collaborating across the enterprise ecosystem to ship cohesive API features.

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FursaFursa
DeepL
DeepL
15 hours ago

Senior Software Engineer | API Enterprise

✓ Verified Job

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Source: Company careers pageValidated by: Fursa AI
Last checked: 15 hours agoStatus: Live

Job Summary

Own key capabilities that drive enterprise adoption of the DeepL API, including usage insights, cost/consumption controls, and governance tooling. Build secure, extensible backend services for roles/permissions, data residency, and auditability so enterprise IT and security teams can confidently approve usage. Ensure end-to-end reliability through on-call, contract testing, monitoring, and SLOs while collaborating across the enterprise ecosystem to ship cohesive API features.
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 for large organizations.
  • •Build governance and compliance capabilities including roles/permissions, projects, data residency, and audit-ability for regulated global customers.
  • •Provide guardianship of quality and production reliability by owning services end-to-end and participating in the API on-call rotation.
  • •Architect and ship cohesive enterprise capabilities by navigating dependencies across technical and organizational structures.
  • •Implement strong contract testing, monitoring, and SLOs to prevent breaking changes and security vulnerabilities.

Pay and Benefits

Equity and Bonus:Equity
Perks:Annual LeaveEquityHealth InsuranceHybrid Work

Key Requirements

  • •Backend expertise designing scalable systems, RESTful APIs, and distributed architectures, primarily in C# / .NET, with experience in high-scale production environments.
  • •Strong API design and system design fundamentals, with roughly 80–90% backend focus; frontend work (React/TypeScript) is a plus.
  • •Hands-on experience building modern enterprise API integrations using building blocks like MCP, CLIs, and OAuth.
  • •A track record of leading projects across multiple teams by aligning stakeholders and managing cross-team contracts and dependencies.
  • •End-to-end operational ownership: production operations, incident response, on-call, comprehensive testing, and mature SLOs as core engineering features.
Experience:Enterprise APIsDistributed systems
Skills:Enterprise-first mindsetCross-team leadershipExtreme ownershipOperational excellenceClear communication
Tech Stack:C#.NETRESTful APIsDistributed architecturesReactTypeScriptMCPCLIsOAuthContract testingMonitoringSLOsNVIDIA DGX SuperPODsClaude CodeCodexGitHub Copilot

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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