Senior Backend Engineer - Node.JS (Spain, remote, f / m / d)

Overview

We are looking for an experienced Senior Backend Engineer to expand and optimize our digital advertisement SaaS suite of applications. Using technologies such as NodeJS with TypeScript, NestJS federated GraphQL, Docker, AWS and Apache Kafka, you\'ll be designing microservices and other back-end components, and integrating data storage, monitoring and protection solutions. Your primary focus will be the development of all server-side logic, definition and maintenance of central databases and message busses, and ensuring high performance and responsiveness to requests from the front-end. Additionally you\'ll conduct regular code reviews, provide guidance to other team members, and contribute to workload estimations, project planning and architecture discussions. You will join a cross-functional team under a Product Owner to contribute to our multi-tenant SaaS product and ad-serving network. To ensure success as a Senior Backend Engineer at Factor-Eleven, you should possess extensive knowledge of NodeJS based services, good knowledge of AWS and / or Kafka, great knowledge of GraphQL / REST-APIs and experience in a similar role. An accomplished Senior Backend Engineer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users, and who successfully shares that expertise with the wider team. This is a high-impact role for someone who thrives on elevating engineering standards, and driving a forward-thinking, AI-first approach across the organization. Ultimately, a top-class Backend Engineer at F11 should be able to envision, plan, develop, test and deliver scalable microservices in an event-driven multi-tenant architecture, and teach others to do the same.

Responsibilities

• Developing and maintaining microservices and back-end components
• Ensuring optimal performance of databases and responsiveness to front-end requests
• Collaborating with developers, product owners and stakeholders on the design and integration of elements
• Developing high-performance applications by writing testable, reusable, and efficient code
• Implementing effective security protocols, data protection measures, and storage solutions
• Running diagnostic tests, repairing defects, and providing technical support
• Documenting server-side processes, including database schemas, message events and sagas, as well as preparing reports
• Recommending and implementing improvements to processes and technologies
• Provide mentorship and technical supervision to team-members

Requirements

Benefits

Please note that you need to be residing in and hold a work permit of a country in the European Union to be considered for this role.

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