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Gravitee

Senior Software Engineer

Gravitee

. Design and deliver features end to end, from technical design through implementation, testing, release, and iteration.

Posted 11/5/2026full-timeDenver • Colorado • United StatesSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in building and operating production software with a strong focus on Java and C# development, API design, and automated testing. Proficient in security practices and collaborative problem-solving within cross-functional teams.

Highest-signal resume keywords
Java DevelopmentC# DevelopmentAPI DesignAutomated TestingSecurity Practices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
JavaC#REST APIsAsynchronous WorkflowsData ModelingAutomated TestingGit-based DevelopmentLLMsPerformance-sensitive CodeSecure Defaults
Soft Skills
Clear CommunicationProblem Solving
Tools & Technologies
TypeScriptAngularDockerKubernetesElasticsearchKafkaOAuth 2.0OIDCSAML 2.0MFA
Industry Keywords
Production SoftwareBackend ServicesAPI GatewaysDistributed SystemsAudit LogsBackward CompatibilityAI-assisted DevelopmentL3 SupportLevel 3 EscalationsLevel 4 Escalations

Tech Stack

Tools & technologies
AngularDistributed SystemsDockerElasticSearchJavaKafkaKubernetesRxJavaTypeScript

About the role

Key responsibilities & impact
  • Design and deliver features end to end, from technical design through implementation, testing, release, and iteration.
  • Build and evolve Java services and APIs, including performance-sensitive asynchronous runtime code.
  • Contribute to the Gamma console through backend APIs and TypeScript and Angular interfaces.
  • Maintain secure defaults, certificate and secret handling, audit logs, safe migrations, and backward compatibility.
  • Own US-hours Level 3 and Level 4 escalations through the L3 pager duty rotation.
  • Help bring AI agent management to the platform, including AI Gateways, MCP, and agent-to-agent interactions.
  • Use LLMs and AI-assisted development tools for prototyping, implementation, testing, and debugging.
  • Write automated tests and contribute to reliable delivery across Gravitee's open-source platform and Enterprise Edition.
  • Collaborate with product managers, designers, engineers, and Europe-based teams through code and design reviews.
  • Spend approximately 80% of time on feature delivery and 20% on L3/L4 support and bug fixing.

Requirements

What you’ll need
  • 5+ years building and operating production software on a team that ships and supports its own product.
  • Personally resolved production incidents.
  • Strong Java experience, including maintainable REST APIs and backend services.
  • Strong C# with the same object-oriented depth is also considered.
  • Understanding of API design, data modeling, distributed systems, and asynchronous workflows.
  • Experience with relational or document data stores, including safe migrations and backward compatibility.
  • Security-first knowledge covering authentication and authorization fundamentals, secure defaults, and certificate and secret handling.
  • Experience with automated testing, Git-based development, code review, and iterative product delivery.
  • Hands-on experience using LLMs or AI coding assistants in an engineering workflow, with judgment to review and improve their output.
  • Clear communication and ability to take an ambiguous problem through to production.
  • Willingness to join an L3 pager duty rotation in US hours.
  • Desired: reactive Java (Vert.x, RxJava, Netty), API gateways/proxies/service meshes, OAuth 2.0, OIDC, SAML 2.0, SCIM, MFA, WebAuthn/FIDO2, FAPI, CIBA, UMA, Kafka, binary protocols, backpressure, TypeScript, Angular, Docker, Kubernetes, operators, CRDs, Elasticsearch/OpenSearch, MCP, Agent2Agent (A2A), tool calling, LLM proxies, or LLM-powered applications.
  • Prior production experience is not required for the listed desired skills.

Benefits

Comp & perks
  • Competitive medical coverage.
  • Pension / 401(k) program options.
  • Stock options.
  • 25 days of holiday plus in-country national holidays.
  • Three mental health days and a wellness allowance.
  • Your birthday off.
  • A professional development budget.
  • A hybrid work culture with hubs across regions.
  • Quarterly team events and an annual company offsite.
  • Opportunities to grow your scope and career.