Senior Staff Software Engineer | API

The API & Partnership track acts as the gateway to DeepL, enabling the world to integrate our Language and AI capabilities into their own digital ecosystems. We do not just build APIs; we architect the 'Golden Path' that allows internal teams to ship faster while ensuring our external interfaces are enterprise-ready. We are the stewards of scale, trust, and integration, empowering millions of users to access DeepL reliably and securely.

Responsibilities

Architect a hyper-scalable infrastructure designed to support exponential growth in traffic and data volume; set the technical vision for microservices; lead the technical side of strategic partnerships; build integrations with AWS Marketplace and enterprise SaaS providers; own the delivery of trust features such as granular billing, residency controls, and auditability; establish rigorous platform standards (contracts, versioning, security); build self-service tooling and automated quality gates; empower product teams to deploy independently without breaking production

Requirements

10+ years in software engineering with a focus on high-scale distributed systems and API platform architecture; experience with modern cloud stacks and backend technologies; drive engineering cultures centered on automated testing and operational discipline; deep experience navigating compliance, security, and data residency challenges; building integration patterns that allow third-party ecosystems to thrive on top of your platform; translate complex technical challenges into clear strategic proposals; adept at writing RFCs and influencing stakeholders across the business; embrace and advocate for AI tools to streamline workflows; eager to guide the organization in adopting AI-assisted engineering practices

Benefits

Diverse and internationally distributed team; open communication and regular feedback; hybrid work and flexible hours; virtual shares; regular in-person team events; monthly full-day hacking sessions; 30 days of annual leave; access to mental health resources; competitive benefits