🚀 Backend Developer ( NestJS)

Backend Developer (NestJS / Node.js)

GuestReply is revolutionizing guest communication in the short-term rental industry. Our AI-powered platform helps property managers automate interactions with guests, optimizing response times, improving satisfaction, and increasing revenue. We are backed by some of the best minds in entrepreneurship and data science, including Ernst & Young’s Entrepreneur of the Year awardees and world-class AI experts.

Now, we’re looking for a highly motivated Backend Developer to join our growing team and play a key role in building a cutting-edge SaaS product. If you’re passionate about scalable backend systems, love solving complex challenges, and want to be part of a high-impact startup, this is your chance!

💰 What We Offer:

• Salary: 20,000–30,000 PLN/month (B2B)
• Equity opportunity for the right candidate
• Work in a fast-growing, ambitious startup shaping the future of AI in hospitality
• Join an amazing team of entrepreneurs and AI experts
• Fully remote or hybrid (if based in Poland)
• Flexible working hours

🛠 Tech Stack

Languages:

• TypeScript, JavaScript

Backend:

• NestJS, Node.js, REST API, OpenAPI/Swagger

Database:

• PostgreSQL, TypeORM, Redis

DevOps/Infrastructure:

• Docker, Git, Monorepo (Turborepo), PNPM

APIs/Integrations:

• Stripe (Payments), OAuth

Messaging/Queueing:

• BullMQ, Redis pub/sub

Security:

• JWT, Authentication & Authorization, XSS Protection

🎯 What We’re Looking For:

• 5+ years of experience in Backend Development
• Deep experience with NestJS and Node.js
• Proven experience with PostgreSQL and Redis
• Familiarity with Docker, Git, and monorepo architectures
• Understanding of authentication, authorization, and security best practices
• Experience building scalable backend services and APIs
• Strong commitment to clean code, architecture, and testing practices
• Passion for startups, AI, and automation
• A proactive problem-solver with a strong sense of ownership

🚀 Why Join Us?

At GuestReply, you’re not just another developer—you’re a core part of an ambitious startup that’s scaling fast. We believe in rewarding the best talent with both competitive salaries and a stake in the company’s success. If you want to build something big, work with top-tier engineers and AI specialists, and be part of a startup with global potential, this is the role for you.