Factor Eleven is looking for a Senior Backend Engineer to expand and optimize our digital advertisement SaaS suite. In this role, you will be responsible for developing server-side logic, maintaining databases and message busses, and ensuring high performance and responsiveness. You’ll contribute to architecture discussions, conduct code reviews, and provide team guidance within a cross-functional environment.
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.
- Develop high-performance applications by writing testable, reusable, and efficient code.
- 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, and prepare reports.
- Recommend and implement improvements to processes and technologies.
- Provide mentorship and technical supervision to team-members.
What We're Looking For
- 5+ years experience as a Backend Engineer or similar role.
- Strong proficiency of 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 between multiple systems, servers, and environments.
- High familiarity with fundamental design principles behind scalable applications.
- 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
You will be part of 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 remote position for candidates living in Portugal.
Factor Eleven is an equal opportunity employer.
