Trabajo Backend Amazon Web Service (AWS) en Barcelona

We are looking for 2 senior Full-Stack Engineers to join our team. You will be part of the Seller Experience squad, a team dedicated to providing top-tier support and tools to sellers operating on the marketplace. The team's main components are the back-office, which enables sellers to run their daily business, as well as the Salesforce suite and the admin-staff, used by our internal Sales team to manage and communicate with the seller pool. The team is currently composed of 2 front-end engineers, 3 back-end engineers, 1 support specialist, 1 Salesforce engineer, 1 designer, 1 PM, and 1 EM. Freelance Budget: 420EUR Bacelona Híbrido Solicitudes abiertas hasta el 26 de Septiembre Mission As a member of the Technology Office, your mission will be the end-to-end development of a project aimed at extracting the features currently hosted in Salesforce and rebuilding them either in the seller back-office or in the admin-staff. Responsibilities Work closely with the PM, designer, EM, and business team to: Understand the business needs behind the current Salesforce features Identify pain points related to these features Define migration requirements Learn the business domain Collaborate closely with the Salesforce developer, IT support, and EM to: Understand the current implementation of the Salesforce features Determine potential fallback mechanisms to replicate information in Salesforce Ensure other teams are not impacted Integrate our systems with external systems and third-party applications currently connected to Salesforce Perform data migration and ensure data integrity across our database, BigQuery, and Salesforce when necessary Replicate and improve if needed the triggered, scheduled, and screen flows currently present in Salesforce and critical to our platform Maintain our code quality and testing standards Work closely with our BE & FE teams to: Understand and follow our standards Understand the current architecture Maintain the Workato automations that trigger Salesforce flows and will need to be migrated into our stack Profile 5+ years of experience as a skilled developer Experience with distributed systems Experience with data migration and integration tools Basic knowledge of infrastructure (AWS/GCP, SQL) and web patterns (CDN, caching, HTTP) Ability to write optimized and performant code Strong testing practices and clean code principles Solid documentation skills Strong analytical and problem-solving skills Excellent communication skills in English, able to adapt to different audiences Curious, proactive mindset with humility and strong team spirit Required Skills Mandatory: Strong expertise in one of the following: Python technologies JavaScript & Vue 3, Nuxt, and TypeScript Knowledge of: SQL APIs CI environments Cloud platforms Messaging & event queues (RabbitMQ & Kafka) Asynchronous architectures Third-party integrations Monitoring tools (Datadog or similar) English Fluent Nice to Have Experience working with JIRA Salesforce experience Low-code development (Workato) Coding experience in Go Organization 2 days/month in Barcelona 6 month rewable (visibility ~ 2y)

En Krell Consulting, nos encontramos en la búsqueda de un Programador Backend, para unirse a nuestro equipo de Barcelona, en modalidad híbrida. PERFIL: Senior Backend Engineer LOCALIZACIÓN: Barcelona MODALIDAD DE TRABAJO: Híbrido. Será necesario que acuda a la oficina de Barcelona del cliente 2 días por semana. REQUERIDO: Necesario conocimiento técnico: NodeJS, TypeScript/Javascript, AWS. Valorable: DynamoDB, Angular Capacidad de comunicación, motivación y mindset organizado. Importante buen nivel de inglés (B2+) OFRECEMOS: Contrato indefinido. Si estás interesad@, no dudes en aplicar a la posición. ¡Esperamos recibir tu candidatura y poder trabajar juntos!

En Krell Consulting, nos encontramos en la búsqueda de un Arquitecto Backend, para unirse a nuestro equipo, en modalidad remota. PERFIL: Arquitecto backend (Java/SpringBoot) SECTOR: Banca MODALIDAD DE TRABAJO: Remoto 100% (desde España) AÑOS EXPERIENCIA SOLICITADOS: 3-5 años REQUERIDO: Arquitecto de soluciones de backend Java + Springboot con conocimiento de arquitectura de eventos, microservicios desplegados en kubertenes y APIs. Mínimo 3 años de experiencia con eventos (EDA). Debe tener experiencia en alguna de estas tecnologías: Apache Kafka, Confluent Platform, Redpanda, Apache Pulsar, RabbitMQ, NATS, EventBridge (AWS), Azure Event Grid, GCP Pub/Sub. Arquitectura y Diseño EDA: o Comprensión de patrones: event sourcing, CQRS, pub/sub, event mesh. o Conocimiento de microservicios y APIs y cómo interactúan con eventos. o API Asincronas con AsincAPI 2.x, 3.x o Modelado de eventos: event storming, definición de esquemas de eventos, contratos. o Diseño y uso de contratos de eventos: Avro, JSON Schema, Protobuf o Event streaming & brokering platforms: o Apache Kafka, Confluent Platform o Redpanda, Apache Pulsar, RabbitMQ, NATS o EventBridge (AWS), Azure Event Grid, GCP Pub/Sub Buenas prácticas en diseño: o Validación de la calidad de los Eventos: Informes, scoring o Desarrollo de linter de validación. o CI/CD (Implementación de pipelines) Gobierno EDA: o Ciclo de vida, versionado, documentación, monitoreo, deprecado. o Establecimiento de estándares, guías y mejores prácticas para soluciones EDA. o Catálogos/dominios Eventos como oportunidad de negocio: o Workshops/evangelización, Impulsar la adopción de EDA y buenas prácticas. OFRECEMOS: Contrato indefinido Si estás interesad@, no dudes en aplicar a la posición. ¡Esperamos contar con tu talento!