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 workload estimations and project planning.
The role involves collaborating with a cross-functional team under a Product Owner to enhance 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 to ensure stable, fast, and secure data exchange between servers and end-users.

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 across multiple systems.
Familiarity with scalable application design principles and creating database schemas.
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.

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 for candidates residing in and holding work permits in European Union countries.