Factor Eleven is looking for a Senior Backend Engineer to expand and optimize our digital advertisement SaaS suite. You will design microservices, integrate data storage and monitoring solutions, and ensure high performance and responsiveness across our applications.
What You'll Do
- Develop and maintain microservices and back-end components.
- Ensure optimal performance of databases and responsiveness to front-end requests.
- Collaborate with developers, product owners, and stakeholders on design and integration.
- Write testable, reusable, and efficient code to develop high-performance applications.
- Implement effective security protocols, data protection measures, and storage solutions.
- Run diagnostic tests, repair defects, and provide technical support.
- Document server-side processes, including database schemas, message events, and sagas.
- Recommend and implement improvements to processes and technologies.
- Provide mentorship and technical supervision to team members.
- Conduct regular code reviews and contribute to workload estimations, project planning, and architecture discussions.
What We're Looking For
- 5+ years experience as a Backend Engineer or similar role.
- Strong proficiency with NodeJS with TypeScript, web stacks, libraries, and frameworks.
- Working knowledge of front-end technologies such as HTML5 and CSS3.
- Experience with user authentication and authorization across multiple systems and environments.
- High familiarity with fundamental design principles behind scalable applications.
- Experience creating database schemas that represent and support business processes.
- Good knowledge of event-driven architecture, message busses, and/or pub/sub-systems.
- Proven expert knowledge implementing automated testing platforms and unit tests.
- Superb interpersonal, communication, and collaboration skills.
- Excellent familiarity with git, npm, docker and Jira.
- Extensive experience in mentoring teammates in a respectful, educative manner.
Nice to Have
- Using AI tools such as Junie/Cursor.
Technical Stack
- NodeJS, TypeScript, NestJS, GraphQL, Docker, AWS, Apache Kafka
Team & Environment
Join a cross-functional team under a Product Owner.
Benefits & Compensation
- Transparent, above-market salaries
- 100% remote within Europe
- Flexible work-hours and part-time models
- 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
Work Mode
This is a 100% remote position open to candidates based in Spain.
Factor Eleven is an equal opportunity employer.
