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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Integration Architect - **Company:** Pagonxt Payments - **Location:** Barcelona, Spain - **Salary:** €70,000.0 - €90,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Amazon S3, Application Integration Architecture, Confluence, JIRA, User Authentication, Microsoft Azure, Cloud Computing, Continuous Integration, Data Stores, Github, IBM WebSphere MQ, Python (Programming Language), PostgreSQL, Enterprise Messaging Systems, MongoDB, Node.Js, NoSQL, OAuth, OpenShift, RabbitMQ, Redis, Azure Active Directory, Security Assertion Markup Language (SAML), Shell Script, SQL Databases, Enterprise Application Integration, Apache Camel, GitHub Copilot, ReactJS, Spring-boot, Caching, Apigee, Concourse, Event Driven Architecture, Kubernetes, Enterprise Integration, Apache Kafka, Graphql, Front End Software Development, Restful APIs, GPT, AWS EKS, Service Stack, Confluent, Microservices - **Published:** July 23, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role We are looking for an Integration Architect with a holistic, end-to-end understanding of enterprise systems and integration flows. You will design and govern integration solutions and patterns for a strategic payments platform, spanning synchronous, asynchronous, and bulk integration scenarios, while ensuring adherence to Enterprise Integration Patterns (EIP) and best practices in cloud-native microservices architecture. 8+ years in integration architecture or technical design. Solid understanding of microservices, EIP, and both synchronous (HTTP) and asynchronous (messaging) flows. Messaging systems: IBM MQ, RabbitMQ, Kafka. REST APIs, Apigee or Apigee Hybrid. Databases: PostgreSQL, MongoDB, Elastic (or similar). Cloud and containers: Kubernetes (preferably EKS, any flavor valid). Authentication: OAuth2, SAML/SSO (Azure AD or equivalent). English: B2 level or higher. Technology Stack - reference framework (applies to this role) Public Cloud: AWS preferred; Azure/GCP acceptable. Kubernetes: EKS preferred; OpenShift/AKS/other flavors acceptable. Microservices: Java 17+, Spring Boot; Apache Camel desirable. Frontend: React. (For frontend roles, Microfrontends with Module Federation.) Other languages (desirable): Python, Shell scripting, Node.js. APIs & Security: Apigee Hybrid, OAuth 2.0, SSO/SAML, REST APIs; GraphQL desirable. Asynchrony & Messaging: Events and message-driven architectures; RabbitMQ, Kafka/Confluent, IBM MQ; AsyncAPI desirable. Datastores: PostgreSQL (or any SQL), NoSQL (MongoDB, Elastic). Caching/State: Redis. Object Storage: S3 (or compatible). CI/CD & SCM: Concourse, GitHub (or equivalents). Collaboration: Confluence, Jira. AI tools (desirable): GitHub Copilot, ChatGPT. What can earn you extra points Experience in contract testing Knowledge of Jsonata and Apache Camel. ## Description PagoNxt Payments combines the agility of a fintech with the reliability of a global bank. With teams across Spain, Brazil, Mexico, Portugal, the UK, and Germany, we are building the future of payments at global scale. If you want to be part of the next generation of financial solutions - this is the place. Imagine your future. Care for your career. Simplify your journey. This means you'll have the opportunity to build impactful solutions, grow with real development opportunities, and thrive in a culture that values well-being, inclusion, and clarity. We combine flexibility, autonomy, and global collaboration - so you can focus on what matters, connect with purpose, and shape what's next. You'll find space to grow, real opportunities to lead, and a culture where everyone belongs and contributes. Are you ready to be a Nxter? What you'll do Define integration architectures for microservices and event-driven systems. Ensure proper use of Enterprise Integration Patterns (EIP) across services and components. Support squads in resiliency, observability, and performance topics. Contribute to integration blueprints, ADRs, and guardrails. Collaborate with the API/Contract Architect (governance, publication, and security of contracts). Participate in architectural reviews and documentation. 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