Senior Backend Engineer - NodeJS

Factor Eleven
Summary
Join Factor Eleven's amazing team and contribute to our mission of advancing digital localized advertisement. As a Senior Backend Engineer, you will design, develop, and maintain microservices and back-end components for our SaaS suite of applications. You will work with technologies like NodeJS, TypeScript, NestJS, GraphQL, Docker, AWS, and Apache Kafka. Your responsibilities include ensuring optimal database performance, collaborating with cross-functional teams, implementing security protocols, and providing technical mentorship. This role requires extensive NodeJS experience, knowledge of AWS and/or Kafka, and expertise in GraphQL/REST APIs. Factor Eleven offers a fully remote work environment within Europe, flexible hours, and various other perks and benefits.
Requirements
- 5+ years experience as 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
Responsibilities
- Developing and maintaining microservices and back-end components
- Ensuring optimal performance of databases and responsiveness to front-end requests
- Collaborating with developers, product owners and stakeholders on the design and integration of elements
- Developing high-performance applications by writing testable, reusable, and efficient code
- Implementing effective security protocols, data protection measures, and storage solutions
- Running diagnostic tests, repairing defects, and providing technical support
- Documenting server-side processes, including database schemas, message events and sagas, as well as preparing reports
- Recommending and implementing improvements to processes and technologies
- Provide mentorship and technical supervision to team-members
Preferred Qualifications
Using AI tools such as Junie/Cursor
Benefits
- 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
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