Remote Senior Backend Engineer - Node.JS (Croatia, 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.
• They will design microservices and back-end components, integrate data storage, monitoring, and protection solutions, and ensure high performance and responsiveness to front-end requests.
• Responsibilities include developing server-side logic, maintaining central databases and message busses, conducting code reviews, providing guidance to team members, and contributing to project planning and architecture discussions.
• The role involves working in a cross-functional team under a Product Owner to contribute to a multi-tenant SaaS product and ad-serving network.
• The ideal candidate should have extensive knowledge of NodeJS, AWS, Kafka, GraphQL/REST-APIs, and experience in a similar role.
• They should be able to envision, plan, develop, test, and deliver scalable microservices in an event-driven multi-tenant architecture.

Requirements:

• 5+ years of experience as a Backend Engineer or similar role.
• Strong proficiency in NodeJS with TypeScript, web stacks, libraries, and frameworks.
• Working knowledge of front-end technologies like HTML5 and CSS3.
• Experience with user authentication and authorization between multiple systems.
• High familiarity with design principles behind scalable applications.
• Creating database schemas to support business processes.
• Good knowledge 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.
• Familiarity with 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.
• In-person department and company events.
• Home office, co-working space, and work-together allowance.
• Personal and professional development courses from Udemy.
• Case-by-case relocation and visa support.