Career

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

remote or Białystok, Warszawa

Your duties

  • Development and management of robust user authentication, access control, and payment integration systems using Clerk and Stripe, and build high-performance applications with Next.js App Router, TypeScript, and Tailwind CSS for responsive designs.
  • Deployment of applications on Vercel following best practices, including QA on preview deployments, and implement environment variable management with Zod for reliable runtime type validation.
  • Utilizing PostgreSQL (via Neon) for database operations, constructing complex SQL queries with Kysely and Prisma, while collaborating with cross-functional teams to ensure a seamless user experience across the platform.

You fit, if you meet these requirements

  • Strong understanding of user management platforms, with experience using Clerk or similar tools.
  • Solid understanding of client/server architecture and the Next.js App Router.
  • Proficiency in TypeScript and Tailwind CSS.
  • Familiarity with Vercel for app deployments and appreciation for a structured software development lifecycle, including preview deployments for QA before merging.
  • Proper handling of environment variables and experience with Zod for runtime type validation.
  • Proficiency with PostgreSQL and SQL query building using Kysely and Prisma for managing database schemas.
  • Experience with integrating Stripe or other payment providers.
  • Strong skills in styling with Radix and shadcn, with the ability to independently create responsive designs from mockups.

Nice to have:

  • Familiarity with Firebase for integrations with platforms like MSquared.
  • Experience with third-party APIs such as Zapier, Google Mail, Slack, etc.
  • Basic knowledge of Docker for local development environments.
  • Experience with PubNub or similar technologies for real-time chat and messaging.
  • Basic knowledge of NFT and wallet integrations (e.g., MetaMask, ConnectKit).
  • Familiarity with pixel streaming technologies (e.g., NVIDIA GeForce Now) and WebRTC; experience with video conferencing tools such as VideoSDK or AWS Chime is a plus.
  • Experience with Electron for desktop app development and deployment/publishing.

What we can offer you

  • Possibility of working from the office or remotely.
  • Private medical care Luxmed.
  • Medicover Sport card.
  • Training budget. 
  • English lessons.
  • Pizza Fridays.

Benefits

Bringing knowledge into focus

Original methods and tools

International experiences

It's all about the flextime

An office with ambience

Competitive salary

Don't hesitate and join our awesome team !