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

TL;DR

Senior Fullstack Engineer (Next.js, Node.js): Building and scaling a modern web platform using Next.js and Fastify, with an accent on architectural decisions, performance, security, and reliability. Focus on integrating AI-driven solutions, enhancing user experience through analytics and A/B testing, and mentoring other engineers.

Location: Remote (within ±4 hours of CET)

Company

hirify.global is a leading tech company creating and operating innovative consumer products across health, education, and entertainment industries.

What you will do

• Develop complex features and modules across the full stack using Next.js and NodeJS.
• Enforce best practices in coding, testing, caching, and performance monitoring for a robust application.
• Design and implement comprehensive security measures at application, infrastructure, and data levels.
• Collaborate with product and analytics teams to integrate analytics and conduct A/B tests.
• Research and integrate emerging technologies, including AI-driven solutions, to improve products and workflows.
• Mentor other engineers, promote best practices, and communicate technical concepts to stakeholders.

Requirements

• Next.js: Minimum 2 years of active, commercial experience (v14.x/v15.x) on primary frontend projects.
• NodeJS: Minimum 3 years of hands-on experience with modern frameworks like NestJS, Fastify, or Hono.
• Strong proficiency with PostgreSQL and/or Supabase, including query optimization and schema design.
• In-depth, practical knowledge of Prisma or Drizzle ORM for complex queries and migrations.
• Profound understanding of caching strategies (e.g., Redis) to optimize performance.
• Full proficiency with Docker for containerized applications and docker-compose.
• Understanding and practical application of background workers and message queues (e.g., BullMQ, RabbitMQ).
• Proven experience in building secure systems, protecting against OWASP Top 10, CSP, and CORS.
• Experience with analytics tools (e.g., Google Analytics, PostHog) and A/B testing platforms.
• Excellent communication skills with the ability to articulate complex technical concepts.
• Strong product mindset to translate business objectives into technical solutions.

Nice to have

• Experience with CI/CD pipelines (e.g., GitHub Actions, GitLab CI).
• Experience with monorepo tools (e.g., Turborepo, Nx).
• Experience writing unit and integration tests (e.g., Jest, Playwright).

Culture & Benefits

• Remote work environment with unlimited paid time off and paid national holidays.
• Company-provided MacBook for seamless productivity.
• Flexible Independent Contractor Agreement offering autonomy and entrepreneurial opportunities.
• Be part of a fast-growing team with excellent opportunities for personal and professional growth.
• Work in an ambitious and driven culture that thrives on challenges and rewards impactful results.

Hiring process

• Application review (typically 3-5 days).
• Recruiter Screening (40 minutes).
• Technical Interview (60 minutes).
• Final Interview (30 minutes).