Senior Software Engineer (APIM & Gateway)

Job overview

The Senior Software Engineer (APIM & Gateway) role is hybrid, with the listing located in Denver, CO. Compensation is not specified in the listing. Gravitee builds an API and event platform and is expanding capabilities for managing AI agents and securing AI gateways. The engineer builds product experiences and APIs that help customers configure and govern APIs and AI agents. The role spans frontend interfaces, backend services, data models, gateway features, testing, and technical design, and includes US-hours Level 3 and Level 4 customer escalations as part of the L3 pager duty rotation.

What you'll do

• Design and deliver features from discovery and technical design through implementation, testing, release, and iteration
• build and maintain API Management features across gateway runtime, management API, and console
• develop Java APIs and services using asynchronous, non-blocking patterns
• build TypeScript and Angular interfaces and data visualizations
• support API security, rate limiting, quotas, and policy/plugin chains
• help customers configure and observe AI gateways, MCP tools and servers, agent identity, and agent interactions
• model and transform operational data
• handle US-hours Level 3 and Level 4 APIM escalations in the L3 pager duty rotation
• write automated tests and collaborate on code and design reviews.

What we're looking for

Skills & competencies

senior software engineer

apim

gateway

gravitee

denver co

java

typescript

angular

api security

ai gateways

mcp

full-stack engineering

l3 pager duty rotation

Work arrangement

• Weekend coverage required

Benefits & perks

• Competitive medical coverage, pension/401(k) program options, stock options, 25 days of holiday plus in-country national holidays, three mental health days, wellness allowance, birthday off, professional development budget, team events, and company offsite.

Why this role

The posting seeks 5+ years building and operating production backend software, strong Java and TypeScript experience, API gateway knowledge, and API security fundamentals. Desired experience includes Kubernetes, service mesh, MCP, AI-powered applications, and related technologies. The role includes pager duty rotation. Benefits include medical coverage, pension/401(k) options, stock options, holidays, wellness support, and professional development.

About the employer

Gravitee is hiring for this role. Industry: Software Publishers. Sector: 51.