Senior Fullstack Engineer (Next.js/Node.js)

TL;DR

Senior Fullstack Engineer (Next.js/Node.js): Developing scalable, secure, and high-performance fullstack applications with an accent on system architecture, team leadership, and product-driven development. Focus on designing technical solutions, mentoring engineers, and integrating AI-driven innovations within a fintech environment.

Location: Remote within ±4 hours of CET timezone, applicants must be located in Europe or nearby regions for optimal collaboration.

Company

Ruby Labs is a leading tech company creating innovative consumer products across health, education, and entertainment industries, focusing on product-driven growth and innovation.

What you will do

• Lead technical architecture and make key technology decisions.
• Mentor and manage a team of developers, fostering growth and accountability.
• Develop complex fullstack features using Next.js and Node.js.
• Implement and optimize Agile processes including sprint planning and delivery oversight.
• Ensure quality through best practices in coding, testing, and performance monitoring.
• Design and enforce comprehensive security measures across applications and infrastructure.
• Collaborate with product teams on analytics integration and A/B testing.
• Research and integrate emerging technologies, especially AI-driven solutions.

Requirements

• Must have at least 2 years commercial experience with Next.js and 3 years with Node.js frameworks.
• Strong skills in PostgreSQL, Prisma or Drizzle ORM, caching strategies, and Docker.
• Experience with background workers and message queues like BullMQ or RabbitMQ.
• Proven leadership experience as a Team Lead or Tech Lead for 2+ years.
• Located within ±4 hours of CET timezone for effective collaboration.
• English proficiency at least B2 level.

Nice to have

• Experience with CI/CD pipelines such as GitHub Actions or GitLab CI.
• Familiarity with monorepo tools like Turborepo or Nx.
• Experience writing unit and integration tests using Jest or Playwright.

Culture & Benefits

• Fully remote work environment promoting work-life balance.
• Unlimited paid time off and paid national holidays.
• Company-provided Apple MacBook for productivity.
• Flexible independent contractor agreement offering autonomy and tax benefits.

Hiring process

• Recruiter screening (40 minutes).
• Technical interview (60 minutes).
• Final interview (30 minutes).