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).