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

Description:

• The Senior Backend Engineer will be responsible for expanding and optimizing a digital advertisement SaaS suite of applications using technologies like NodeJS with TypeScript, federated GraphQL, Docker, AWS, and Apache Kafka.
• Designing microservices and other back-end components, integrating data storage, monitoring, and protection solutions.
• Developing all server-side logic, maintaining central databases and message busses, and ensuring high performance and responsiveness to front-end requests.
• Conducting code reviews, providing guidance to team members, contributing to workload estimations, project planning, and architecture discussions.
• Joining a cross-functional team under a Product Owner to work on a multi-tenant SaaS product and ad-serving network.

Requirements:

• 5+ years of experience as a Backend Engineer or similar role.
• Strong proficiency in NodeJS with TypeScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies like HTML5 and CSS3.
• Experience with user authentication and authorization between multiple systems.
• Familiarity with scalable application design principles and creating database schemas.
• Good understanding of event-driven architecture, message busses, and pub/sub-systems.
• Expertise in implementing automated testing platforms and unit tests.
• Excellent interpersonal, communication, and collaboration skills.
• Proficiency in git, npm, docker, and Jira.
• Extensive experience in mentoring teammates.

Benefits:

• Transparent, above-market salaries.
• 100% remote work within Europe.
• Flexible work hours and part-time models.
• Opportunity to be part of a fast-growing, highly-skilled team.
• Participation in in-person department and company events.
• Home office, co-working space, and work-together allowance.
• Access to personal and professional development courses from Udemy.
• Case-by-case relocation and visa support within the European Union.