Gravitee

Senior Software Engineer (APIM & Gateway)

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5 hours ago
Denver, CO, USASenior

Base Salary

$160k - $160k/yr

Responsibilities

  • Design and deliver features end to end, from discovery and technical design through implementation, testing, release, and iteration.
  • Build and maintain Gravitee API Management features across the gateway runtime, management API, and console, including the move to Gamma.
  • Develop Java APIs and services using asynchronous and non-blocking patterns with Vert.x and RxJava.
  • Build responsive TypeScript and Angular interfaces and data visualizations using Elasticsearch and OpenSearch logs and metrics.
  • Help customers configure and observe AI Gateways, MCP tools and servers, agent identity, and agent-to-agent interactions.
  • Work on API security, rate limiting, quotas, CORS, and policy and plugin chains in request and response flows.
  • Model and transform operational data into understandable and actionable platform views.
  • Own US-hours Level 3 and Level 4 APIM customer escalations as part of the pager duty rotation.
  • Use LLMs and AI-assisted development tools for prototyping, implementation, testing, debugging, and exploration while validating their output.
  • Write automated tests, contribute to reliable delivery practices, and collaborate through product, design, and engineering reviews.

Requirements

  • At least 5 years of experience building and running production backend software for a team that ships and supports its own product.
  • Strong Java experience and experience designing maintainable REST APIs and backend services using Maven and a reactive stack such as Vert.x or RxJava with backpressure.
  • Strong TypeScript and modern frontend development experience with a component-based framework, preferably Angular, including data-rich interfaces and visualizations.
  • Working knowledge of API gateway and reverse-proxy architecture, including request lifecycles, policy and plugin chains, entrypoints and endpoints, and synchronous and event-driven APIs.
  • Knowledge of API security fundamentals including OAuth2, JWT, API keys, mTLS, rate limiting, quotas, and CORS.
  • Experience with persistent data stores such as MongoDB or relational databases and search or analytics technologies such as Elasticsearch or OpenSearch.
  • Experience with Git-based workflows, code review, automated testing, production incident resolution, and supporting shipped products.
  • Hands-on experience using LLMs or AI coding assistants with the judgment to review and improve generated output.
  • Clear communication, collaborative problem-solving, and the ability to take ambiguous problems through production.
  • Preferred experience includes API gateway, proxy, service-mesh, API platform, Kubernetes operator and CRD, OpenAPI, Envoy, Docker, cloud-native delivery, MCP, A2A, tool calling, LLM proxies, RAG systems, agentic workflows, open-source software, or enterprise developer platforms.

Benefits

  • Salary of $160,000.
  • Competitive medical coverage and pension or 401(k) program options.
  • Stock options, 25 days of holiday plus in-country national holidays, three mental health days, and a wellness allowance.
  • Birthday off and a professional development budget.
  • Hybrid work culture with hubs across regions.
  • Quarterly team events and an annual company offsite.
  • Collaborative international culture with opportunities to grow scope and career.

Tech Stack

AmbassadorAngularDockerElasticsearchJavaKubernetesMavenMongoDBTypeScript
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About Gravitee

201-500 employees
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