🚀 En IRIUM nos preocupamos porque no dejes de perseguir tus sueños. Prepárate para conquistar tus metas, y ten siempre presente disfrutar del camino. Buscamos un/a ARQUITECTO DE SISTEMAS Y APLICACIONES REMOTO (puede existir la necesidad de desplazamientos a Almería puntuales) para proyecto de sector bancario. 🔍 ¿Qué buscamos?: REQUISITOS: - Experiencia (>3 años) en proyectos de Infraestructura + implantación de software (comercial y/o desarrollos internos) - Experiencia en desarrollo de aplicaciones - Experiencia en gestión de proyectos - Experiencia en sistemas distribuidos, servicios balanceados, firewall, red - Integración de sistemas/aplicaciones - CI/CD Jenkins, GitHub, Artifactory - Conocimiento en pipelines - IMPRESCINDIBLE RESIDENCIA EN ESPAÑA ⭐ ¿Qué Ofrecemos? • Lugar de trabajo: REMOTO – (puede existir la necesidad de desplazamientos a Almería puntuales)-IMPRESCINDIBLE RESIDENCIA EN ESPAÑA. • Contrato indefinido con IRIUM • Retribución flexible ✌ • Banda salarial: Según valía y experiencia (35 – 43K) • 23 días de vacaciones 🏕️ • Buen clima laboral 🙍‍♀️🙍‍♂️ • Acceso ilimitado a formación tecnológica puntera en modalidad barra libre. 📚 • Club de beneficios para empleados con descuentos directos y miles de ofertas en marcas, hoteles, agencias de viaje, cines, ropa… 💰 ✨Pasarás a formar parte de un gran equipo de personas que estarán siempre dispuestas a ayudarte. IRIUM es una empresa formada por profesionales con inquietudes, dinámicos y resolutivos. Nuestros valores son la responsabilidad y el compromiso con el trabajo bien hecho, este es el espíritu que buscamos en IRIUM, sea cual sea tu edad, si te reconoces ¡esta es tu empresa! Podemos construir juntos el futuro. ¿Hablamos? 🟢🔵🟣

Role Description This is a remote position. Our client is looking for a Payment & Billing Systems Engineer to take full ownership of their payment infrastructure and ensure reliability across their subscription-based platform. They operate within the tech and digital product space and have recently scaled their platform capabilities, supporting a growing global user base through subscription-driven services. This role sits at the core of their revenue engine. Payment accuracy, subscription logic, and billing reliability directly impact both user experience and business performance, making this one of the most critical positions on the team. Responsibilities - Take full ownership of the payment ecosystem, including Authorize.net as the primary processor and cryptocurrency payment integrations. - Architect and manage the full subscription lifecycle, including activations, plan changes, cancellations, suspensions, and recovery flows. - Develop robust webhook handling systems with strong guarantees around idempotency, retries, and event sequencing. - Build and maintain billing reconciliation processes across multiple intervals, ensuring financial accuracy and traceability. - Design workflows for refunds, disputes, and chargeback handling. - Implement automated testing strategies, including integration and end-to-end tests for payment and subscription flows. - Introduce fraud prevention mechanisms and enforce rate limiting on payment-related endpoints. - Ensure compliance with payment security standards and best practices, including PCI-related requirements. Qualifications - Familiarity with distributed systems and handling failure scenarios in payment flows. - Experience working with PostgreSQL and Redis. - Exposure to Temporal or similar workflow orchestration tools. - Understanding of crypto payment integrations (Solana, Ethereum, Polygon) is a plus. - Knowledge of NestJS and PCI-DSS standards is considered an advantage. Requirements - Proven, hands-on experience working directly with Authorize.net in production environments (Accept Suite, AIM, ARB, CIM, or Transaction APIs). - Experience building a complete payment system from scratch that processes real user transactions. - Minimum of 3 years developing payment or billing systems in live environments. - Deep understanding of subscription lifecycle management and complex edge cases. - Strong experience with financial reconciliation processes and audit tracking. - Solid backend engineering skills using Node.js and TypeScript. - Experience with asynchronous workflows or job orchestration tools. Benefits - Full-time, 100% remote opportunity. - Work on a high-impact system directly tied to company revenue. - Exposure to cutting-edge technologies including Web3 payments. - Opportunity to own and scale a critical infrastructure component. - Collaborative, engineering-driven environment with strong technical ownership.

• Act as the first point of contact for incidents, performing initial validation, categorization, and prioritization, and ensuring proper routing to the appropriate teams with clear and complete technical information. • Log into production environments to perform operational tasks, initial investigations, and basic issue resolution. • Monitor system activities and alerts across multiple products, identifying issues and taking appropriate actions. • Ensure end-to-end ticket governance by tracking progress, driving timely resolution, and maintaining clear and consistent communication with stakeholders, even when tickets are handled by other teams. • Maintain accurate documentation of incidents, resolutions, and operational procedures. • Support service performance tracking by monitoring service level agreements (SLAs) and key performance indicators (KPIs). • Extract, analyze, and interpret data from systems to support issue investigation and produce operational and performance reports.

• Contributes to the development and implementation of advanced system solutions • Provides alignment, connection, and direction to the technical team throughout the product development lifecycle • Represents the viewpoint of the integrated whole during system development • Works to glue segments and subsystems together via top-down decomposition of stakeholder requirements • Tracks performance measures and identifies technical risks to arrive at a compliant and cohesive system solution • Specifies, architects, and integrates complex system solutions while collaborating with cross-functional teams • Derives, decomposes, allocates, traces, and manages system requirements and architectures • Defines and documents system concepts of operation • Supports development milestone reviews by creating artifacts and deliverables • Oversees system integration and verification activities to ensure system functionality and performance • Identifies and manages technical risks, develops mitigation strategies, and contributes to continuous improvement initiatives