Full-Stack Engineer
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Requirements
• A minimum of 2 years of active, commercial experience with Next.js (v15.x). Must have worked on at least two recent projects where Next.js was the primary frontend framework. • Deep knowledge and at least 3 years of hands-on experience with a modern framework such as NestJS, Fastify, or Hono. A clear understanding of their architectural trade-offs is required. • Strong understanding of Fastify, including its main advantages, validation and serialization, and authentication and authorization mechanisms. • Strong proficiency with PostgreSQL and/or Supabase, including query optimization and schema design. • In-depth, practical knowledge of Prisma or Drizzle ORM, with experience in building complex queries and managing migrations. • A profound understanding of caching strategies (e.g., in-memory, distributed cache, CDN) and the ability to apply them effectively to optimize performance (e.g., using Redis). • Full proficiency with Docker for creating, managing, and deploying containerized applications. Experience with Docker Compose is essential. • Understanding and practical application of background workers and message queues (e.g., BullMQ, RabbitMQ) for handling asynchronous tasks. • Proven experience in building secure systems, including protecting against common vulnerabilities (OWASP Top 10), configuring Content Security Policy (CSP), CORS, securing APIs, and hardening hosting environments. • Experience working with analytics tools (e.g., Google Analytics, PostHog, Mixpanel) and platforms for A/B testing. • A genuine passion for teaching, sharing knowledge, and helping team members grow professionally. • Excellent communication skills, with the ability to articulate complex technical concepts clearly to both technical and non-technical stakeholders. • The ability to understand business objectives and translate them into technical solutions that deliver real value to users. • Experience with CI/CD pipelines (e.g., GitHub Actions, GitLab CI). • Experience writing unit and integration tests (e.g., Jest, Playwright). • Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.
Responsibilities
• Take an active, hands-on role in developing complex features and modules using Next.js for the frontend and NodeJS for the backend. • Enforce best practices in coding, testing, caching, and performance monitoring to ensure a robust and scalable application. • Design and implement comprehensive security measures at the application, infrastructure, and data levels. • Collaborate closely with the product team to integrate analytics systems and conduct A/B tests to enhance the user experience. • Research and integrate emerging technologies, particularly AI-driven solutions, to improve the product and streamline development workflows.
Benefits
• Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview • Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!