We are a global tech company specializing in reliable and high-performance IT services — fast, scalable, and secure.
With over 15 years of experience and 30+ international clients, we operate in any stack, focusing on performance, systems, software, observability, and security, with offices in Almada, Aveiro, and Chile.
Crossjoin Solutions, founded in ****, is a Portuguese IT company serving over 30 clients across Europe, Latin America, and North America.
Through our services, we support tens of millions of consumers in numerous countries worldwide.
We provide consulting services across a broad range of sectors reliant on information systems, including banking, insurance, healthcare, automotive, finance, and telecommunications.
Our expertise covers end-to-end performance optimization, enterprise testing, major incident troubleshooting and resolution, full-stack architecture advisory, continuous integration, deployment acceleration, and infrastructure managed services.
Responsibilities
Define enterprise standards for the service catalogue, registry, gateway, and mesh to ensure consistency, discoverability, observability, and governance across the API management platform.
Act as the primary technical liaison, engaging with upstream and downstream teams to harmonize and coordinate the API service management ecosystem during both PoC/trial and implementation phases.
Drive the evolution of the API platform by implementing new features such as API mocking, testing, custom plugins/add-ons, and MCP server integrations, aligning with the product roadmap.
Design, build, and automate the publication, versioning, and lifecycle management of all API specifications.
Requirements
Bachelor's or Master's degree in Computer Science or equivalent.
Deep, hands-on experience with Kong API Gateway (OSS or Enterprise), including configuration, policy enforcement, and management.
Strong understanding of RESTful API design principles and expertise with API specifications, especially OpenAPI (Swagger).
Solid knowledge of modern API security (OAuth 2.0, OIDC, JWT, mTLS, API Keys).
Experience automating build, test, and deployment pipelines using CI/CD tools such as GitLab CI, Jenkins, or GitHub Actions.
Proficiency in at least one scripting language (Python, Go, or Bash) for automation.
Excellent communication skills; resilient and goal-oriented.
Driven by technology and challenges.
Proficient in English, both written and spoken.
We offer
Experience developing custom Kong plugins in Lua or Go.
Familiarity with Kubernetes and experience running Kong as an Ingress Controller.
Experience with Kong's declarative configuration (decK).
Knowledge of service mesh concepts (Istio, Kuma) and service discovery tools (Consul).
Familiarity with requirements management tools (Jira, Confluence) and methodologies.
With the submission of your application you authorise the treatment and storage of your personal data within Crossjoin Solutions, Lda database for this recruitment process and/or other future opportunities.
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