Senior Software Engineer (APIM & Gateway)

Gravitee is a 2025 Gartner® Magic Quadrant™ Leader , on a mission to govern the world’s intelligence . We deliver the industry’s most advanced platform for Any API, Any Event, and Any AI Agent , trusted by global leaders like Michelin, Roche, and Blue Yonder. Why join us? The Mission : We are the first to bridge traditional API Management with the new frontier of AI Agent Security The Momentum : A high-growth Leader - combining market credibility with startup speed The DNA : We hire people who Hold Nothing Back - passionate builders who want to redefine digital infrastructure Don’t just watch the AI revolution. Build the infrastructure that controls and secures it. The Role We are looking for a Senior Software Engineer to build product experiences and the APIs behind them. You will turn operational data into clear visualizations and help customers configure and govern APIs and AI agents. As Gravitee expands its AI Agent Management capabilities, you will help build interfaces for configuring AI Gateways, governing MCP and agent-to-agent interactions, discovering tools and agents, and monitoring how agentic systems behave in production. This is a hands-on, full-stack role for an engineer who is comfortable moving between frontend experiences, backend APIs, data models, and technical design. What You Will Be Doing In this role, you will: Design and deliver features end to end, from discovery and technical design through implementation, testing, release, and iteration. Build and maintain features of Gravitee API Management across the gateway runtime, the management API, and the console, including the move to Gamma. Work across API security (OAuth2, JWT, API keys, mTLS), rate limiting and quotas, CORS, and other policy and plugin chains that sit in the request/response flow. Design and develop Java-based APIs and services, applying asynchronous and non-blocking design patterns (Vert.x/RxJava with backpressure) to performance-sensitive gateway code. Build clear, responsive interfaces and data visualizations using TypeScript and Angular, including observability views over Elasticsearch/OpenSearch logs and metrics. Help customers configure and observe Gravitee's AI-related capabilities, including AI Gateways, MCP tools and servers, agent identity, and agent-to-agent interactions. Model and transform operational data so that complex platform behavior becomes understandable and actionable. Own US-hours Level 3 and Level 4 escalations for APIM customers as part of the L3 pager duty rotation. Use LLMs and AI-assisted development tools thoughtfully for prototyping, implementation, testing, debugging, and exploration, applying sound engineering judgment to validate AI-generated work. Write meaningful automated tests and contribute to reliable delivery practices. • Collaborate with product managers, designers, engineers, and technical leaders — including the APIM team based in Europe and India — to…